Merge remote-tracking branch 'tdesktop/dev' into dev

.github/workflows/linux.yml

@@ -71,7 +71,7 @@ jobs:
           libgtk2.0-dev libice-dev libsm-dev libicu-dev libdrm-dev dh-autoreconf \
           autoconf automake build-essential libxml2-dev libass-dev libfreetype6-dev \
           libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev \
-          libvorbis-dev libenchant-dev libxcb1-dev libxcb-image0-dev libxcb-shm0-dev \
+          libvorbis-dev libxcb1-dev libxcb-image0-dev libxcb-shm0-dev \
           libxcb-xfixes0-dev libxcb-keysyms1-dev libxcb-icccm4-dev libatspi2.0-dev \
           libxcb-render-util0-dev libxcb-util0-dev libxcb-xkb-dev libxrender-dev \
           libasound-dev libpulse-dev libxcb-sync0-dev libxcb-randr0-dev libegl1-mesa-dev \
@@ -323,7 +323,7 @@ jobs:
         run: |
           cd $LibrariesPath
 
-          git clone -b openal-soft-1.19.1 --depth=1 $GIT/kcat/openal-soft.git
+          git clone -b openal-soft-1.20.1 --depth=1 $GIT/kcat/openal-soft.git
           cd openal-soft/build
           cmake -D LIBTYPE:STRING=STATIC ..
           make -j$(nproc)
@@ -342,14 +342,15 @@ jobs:
         run: |
           cd $LibrariesPath
 
+          opensslDir=openssl_${OPENSSL_VER}
           git clone -b OpenSSL_${OPENSSL_VER}-stable --depth=1 \
-            $GIT/openssl/openssl openssl_${OPENSSL_VER}
-          cd openssl_${OPENSSL_VER}
+            $GIT/openssl/openssl $opensslDir
+          cd $opensslDir
           ./config --prefix=$LibrariesPath/openssl-cache
           make -j$(nproc)
-          sudo make install
+          sudo make install_sw
           cd ..
-          rm -rf openssl_${OPENSSL_VER}
+          rm -rf $opensslDir
       - name: OpenSSL install.
         run: |
           cd $LibrariesPath

.github/workflows/mac.yml

@@ -26,11 +26,11 @@ jobs:
       GIT: "https://github.com"
       PREFIX: "/usr/local/macos"
       MACOSX_DEPLOYMENT_TARGET: "10.12"
-      XZ: "xz-5.0.5"
+      XZ: "xz-5.2.4"
       QT: "5_12_5"
       OPENSSL_VER: "1_1_1"
       QT_PREFIX: "/usr/local/desktop-app/Qt-5.12.5"
-      LIBICONV_VER: "libiconv-1.15"
+      LIBICONV_VER: "libiconv-1.16"
       UPLOAD_ARTIFACT: "false"
       ONLY_CACHE: "false"
       MANUAL_CACHING: "2"

.github/workflows/snap.yml

@@ -47,6 +47,10 @@ jobs:
           md5cache=$(md5sum CMAKE_CACHE_KEY.txt | cut -c -32)
           echo ::set-env name=CMAKE_CACHE_KEY::$md5cache
 
+          awk -v RS="" -v ORS="\n\n" '/^  ffmpeg:/' snap/snapcraft.yaml > FFMPEG_CACHE_KEY.txt
+          md5cache=$(md5sum FFMPEG_CACHE_KEY.txt | cut -c -32)
+          echo ::set-env name=FFMPEG_CACHE_KEY::$md5cache
+
       - name: CMake cache.
         id: cache-cmake
         uses: actions/cache@v1
@@ -58,6 +62,17 @@ jobs:
         if: steps.cache-cmake.outputs.cache-hit != 'true'
         run: snapcraft build --destructive-mode cmake
 
+      - name: FFmpeg cache.
+        id: cache-ffmpeg
+        uses: actions/cache@v1
+        with:
+          path: parts/ffmpeg
+          key: ${{ runner.OS }}-ffmpeg-${{ env.CACHE_KEY }}-${{ env.FFMPEG_CACHE_KEY }}
+
+      - name: FFmpeg build.
+        if: steps.cache-ffmpeg.outputs.cache-hit != 'true'
+        run: snapcraft build --destructive-mode ffmpeg
+
       - name: Kotatogram Desktop snap build.
         if: env.ONLY_CACHE == 'false'
         run: snapcraft --destructive-mode
@@ -80,5 +95,5 @@ jobs:
 
       - name: Remove unneeded directories for cache.
         run: |
-          rm -rf parts/cmake/{build,src,ubuntu}
-          rm -rf parts/cmake/state/{stage,prime}
+          rm -rf parts/{cmake,ffmpeg}/{build,src,ubuntu}
+          rm -rf parts/{cmake,ffmpeg}/state/{stage,prime}

CMakeLists.txt

@@ -22,6 +22,9 @@ project(Telegram
 )
 set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT Telegram)
 
+get_filename_component(third_party_loc "Telegram/ThirdParty" REALPATH)
+get_filename_component(submodules_loc "Telegram" REALPATH)
+
 include(cmake/variables.cmake)
 include(cmake/nice_target_sources.cmake)
 include(cmake/target_link_static_libraries.cmake)

README.md

@@ -39,4 +39,4 @@ Full list of features will rewritten later, for now you can use one of `control-
 [flatpak]: https://flathub.org/apps/details/io.github.kotatogram
 [changelog]: https://github.com/kotatogram/kotatogram-desktop/blob/dev/kotatogram_changes.txt
 [preview_image]: https://github.com/kotatogram/kotatogram-desktop/blob/dev/docs/assets/ktg_preview.png "Preview of Kotatogram Desktop"
-[preview_image_url]: https://github.com/kotatogram/kotatogram-desktop/blob/dev/docs/assets/ktg_preview.png
+[preview_image_url]: https://github.com/kotatogram/kotatogram-desktop/blob/dev/docs/assets/ktg_preview.png

Telegram/CMakeLists.txt

@@ -94,6 +94,7 @@ PRIVATE
     desktop-app::external_lz4
     desktop-app::external_rlottie
     desktop-app::external_zlib
+    desktop-app::external_minizip
     desktop-app::external_qt
     desktop-app::external_qr_code_generator
     desktop-app::external_crash_reports
@@ -1219,14 +1220,15 @@ endif()
 
 if (LINUX AND DESKTOP_APP_USE_PACKAGED)
     include(GNUInstallDirs)
+    configure_file("../lib/xdg/kotatogramdesktop.appdata.xml.in" "${CMAKE_CURRENT_BINARY_DIR}/kotatogramdesktop.appdata.xml" @ONLY)
     install(TARGETS Telegram RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" BUNDLE DESTINATION "${CMAKE_INSTALL_BINDIR}")
-    install(FILES "Resources/art/icon16.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/16x16/apps" RENAME "kotatogram.png")
-    install(FILES "Resources/art/icon32.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/32x32/apps" RENAME "kotatogram.png")
-    install(FILES "Resources/art/icon48.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/48x48/apps" RENAME "kotatogram.png")
-    install(FILES "Resources/art/icon64.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/64x64/apps" RENAME "kotatogram.png")
-    install(FILES "Resources/art/icon128.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/128x128/apps" RENAME "kotatogram.png")
-    install(FILES "Resources/art/icon256.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/256x256/apps" RENAME "kotatogram.png")
-    install(FILES "Resources/art/icon512.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/512x512/apps" RENAME "kotatogram.png")
+    install(FILES "Resources/art/icon16.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/16x16/apps" RENAME "telegram.png")
+    install(FILES "Resources/art/icon32.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/32x32/apps" RENAME "telegram.png")
+    install(FILES "Resources/art/icon48.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/48x48/apps" RENAME "telegram.png")
+    install(FILES "Resources/art/icon64.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/64x64/apps" RENAME "telegram.png")
+    install(FILES "Resources/art/icon128.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/128x128/apps" RENAME "telegram.png")
+    install(FILES "Resources/art/icon256.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/256x256/apps" RENAME "telegram.png")
+    install(FILES "Resources/art/icon512.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/512x512/apps" RENAME "telegram.png")
     install(FILES "../lib/xdg/kotatogramdesktop.desktop" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/applications" RENAME "${TDESKTOP_LAUNCHER_BASENAME}.desktop")
-    install(FILES "../lib/xdg/kotatogramdesktop.appdata.xml" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/metainfo" RENAME "${TDESKTOP_LAUNCHER_BASENAME}.appdata.xml")
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/kotatogramdesktop.appdata.xml" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/metainfo" RENAME "${TDESKTOP_LAUNCHER_BASENAME}.appdata.xml")
 endif()

Telegram/Patches/ffmpeg.diff

@@ -0,0 +1,225 @@
+diff --git a/libavcodec/aarch64/Makefile b/libavcodec/aarch64/Makefile
+index 00f93bf59f..52da7036f3 100644
+--- a/libavcodec/aarch64/Makefile
++++ b/libavcodec/aarch64/Makefile
+@@ -6,6 +6,7 @@ OBJS-$(CONFIG_H264DSP)                  += aarch64/h264dsp_init_aarch64.o
+ OBJS-$(CONFIG_H264PRED)                 += aarch64/h264pred_init.o
+ OBJS-$(CONFIG_H264QPEL)                 += aarch64/h264qpel_init_aarch64.o
+ OBJS-$(CONFIG_HPELDSP)                  += aarch64/hpeldsp_init_aarch64.o
++OBJS-$(CONFIG_IDCTDSP)                  += aarch64/idctdsp_init_aarch64.o
+ OBJS-$(CONFIG_MPEGAUDIODSP)             += aarch64/mpegaudiodsp_init.o
+ OBJS-$(CONFIG_NEON_CLOBBER_TEST)        += aarch64/neontest.o
+ OBJS-$(CONFIG_VIDEODSP)                 += aarch64/videodsp_init.o
+@@ -21,6 +22,7 @@ OBJS-$(CONFIG_VC1DSP)                   += aarch64/vc1dsp_init_aarch64.o
+ OBJS-$(CONFIG_VORBIS_DECODER)           += aarch64/vorbisdsp_init.o
+ OBJS-$(CONFIG_VP9_DECODER)              += aarch64/vp9dsp_init_10bpp_aarch64.o \
+                                            aarch64/vp9dsp_init_12bpp_aarch64.o \
++                                           aarch64/vp9mc_aarch64.o             \
+                                            aarch64/vp9dsp_init_aarch64.o
+ 
+ # ARMv8 optimizations
+@@ -41,8 +43,7 @@ NEON-OBJS-$(CONFIG_H264PRED)            += aarch64/h264pred_neon.o
+ NEON-OBJS-$(CONFIG_H264QPEL)            += aarch64/h264qpel_neon.o             \
+                                            aarch64/hpeldsp_neon.o
+ NEON-OBJS-$(CONFIG_HPELDSP)             += aarch64/hpeldsp_neon.o
+-NEON-OBJS-$(CONFIG_IDCTDSP)             += aarch64/idctdsp_init_aarch64.o      \
+-                                           aarch64/simple_idct_neon.o
++NEON-OBJS-$(CONFIG_IDCTDSP)             += aarch64/simple_idct_neon.o
+ NEON-OBJS-$(CONFIG_MDCT)                += aarch64/mdct_neon.o
+ NEON-OBJS-$(CONFIG_MPEGAUDIODSP)        += aarch64/mpegaudiodsp_neon.o
+ NEON-OBJS-$(CONFIG_VP8DSP)              += aarch64/vp8dsp_neon.o
+diff --git a/libavcodec/aarch64/idctdsp_init_aarch64.c b/libavcodec/aarch64/idctdsp_init_aarch64.c
+index 0406e60830..742a3372e3 100644
+--- a/libavcodec/aarch64/idctdsp_init_aarch64.c
++++ b/libavcodec/aarch64/idctdsp_init_aarch64.c
+@@ -21,6 +21,8 @@
+  */
+ 
+ #include "libavutil/attributes.h"
++#include "libavutil/cpu.h"
++#include "libavutil/arm/cpu.h"
+ #include "libavcodec/avcodec.h"
+ #include "libavcodec/idctdsp.h"
+ #include "idct.h"
+@@ -28,7 +30,9 @@
+ av_cold void ff_idctdsp_init_aarch64(IDCTDSPContext *c, AVCodecContext *avctx,
+                                      unsigned high_bit_depth)
+ {
+-    if (!avctx->lowres && !high_bit_depth) {
++    int cpu_flags = av_get_cpu_flags();
++
++    if (have_neon(cpu_flags) && !avctx->lowres && !high_bit_depth) {
+         if (avctx->idct_algo == FF_IDCT_AUTO ||
+             avctx->idct_algo == FF_IDCT_SIMPLEAUTO ||
+             avctx->idct_algo == FF_IDCT_SIMPLENEON) {
+diff --git a/libavcodec/aarch64/vp9mc_16bpp_neon.S b/libavcodec/aarch64/vp9mc_16bpp_neon.S
+index cac6428709..53b372c262 100644
+--- a/libavcodec/aarch64/vp9mc_16bpp_neon.S
++++ b/libavcodec/aarch64/vp9mc_16bpp_neon.S
+@@ -25,31 +25,6 @@
+ //                            const uint8_t *ref, ptrdiff_t ref_stride,
+ //                            int h, int mx, int my);
+ 
+-function ff_vp9_copy128_aarch64, export=1
+-1:
+-        ldp             x5,  x6,  [x2]
+-        ldp             x7,  x8,  [x2, #16]
+-        stp             x5,  x6,  [x0]
+-        ldp             x9,  x10, [x2, #32]
+-        stp             x7,  x8,  [x0, #16]
+-        subs            w4,  w4,  #1
+-        ldp             x11, x12, [x2, #48]
+-        stp             x9,  x10, [x0, #32]
+-        stp             x11, x12, [x0, #48]
+-        ldp             x5,  x6,  [x2, #64]
+-        ldp             x7,  x8,  [x2, #80]
+-        stp             x5,  x6,  [x0, #64]
+-        ldp             x9,  x10, [x2, #96]
+-        stp             x7,  x8,  [x0, #80]
+-        ldp             x11, x12, [x2, #112]
+-        stp             x9,  x10, [x0, #96]
+-        stp             x11, x12, [x0, #112]
+-        add             x2,  x2,  x3
+-        add             x0,  x0,  x1
+-        b.ne            1b
+-        ret
+-endfunc
+-
+ function ff_vp9_avg64_16_neon, export=1
+         mov             x5,  x0
+         sub             x1,  x1,  #64
+diff --git a/libavcodec/aarch64/vp9mc_aarch64.S b/libavcodec/aarch64/vp9mc_aarch64.S
+new file mode 100644
+index 0000000000..f17a8cf04a
+--- /dev/null
++++ b/libavcodec/aarch64/vp9mc_aarch64.S
+@@ -0,0 +1,81 @@
++/*
++ * Copyright (c) 2016 Google Inc.
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++#include "libavutil/aarch64/asm.S"
++
++// All public functions in this file have the following signature:
++// typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
++//                            const uint8_t *ref, ptrdiff_t ref_stride,
++//                            int h, int mx, int my);
++
++function ff_vp9_copy128_aarch64, export=1
++1:
++        ldp             x5,  x6,  [x2]
++        ldp             x7,  x8,  [x2, #16]
++        stp             x5,  x6,  [x0]
++        ldp             x9,  x10, [x2, #32]
++        stp             x7,  x8,  [x0, #16]
++        subs            w4,  w4,  #1
++        ldp             x11, x12, [x2, #48]
++        stp             x9,  x10, [x0, #32]
++        stp             x11, x12, [x0, #48]
++        ldp             x5,  x6,  [x2, #64]
++        ldp             x7,  x8,  [x2, #80]
++        stp             x5,  x6,  [x0, #64]
++        ldp             x9,  x10, [x2, #96]
++        stp             x7,  x8,  [x0, #80]
++        ldp             x11, x12, [x2, #112]
++        stp             x9,  x10, [x0, #96]
++        stp             x11, x12, [x0, #112]
++        add             x2,  x2,  x3
++        add             x0,  x0,  x1
++        b.ne            1b
++        ret
++endfunc
++
++function ff_vp9_copy64_aarch64, export=1
++1:
++        ldp             x5,  x6,  [x2]
++        ldp             x7,  x8,  [x2, #16]
++        stp             x5,  x6,  [x0]
++        ldp             x9,  x10, [x2, #32]
++        stp             x7,  x8,  [x0, #16]
++        subs            w4,  w4,  #1
++        ldp             x11, x12, [x2, #48]
++        stp             x9,  x10, [x0, #32]
++        stp             x11, x12, [x0, #48]
++        add             x2,  x2,  x3
++        add             x0,  x0,  x1
++        b.ne            1b
++        ret
++endfunc
++
++function ff_vp9_copy32_aarch64, export=1
++1:
++        ldp             x5,  x6,  [x2]
++        ldp             x7,  x8,  [x2, #16]
++        stp             x5,  x6,  [x0]
++        subs            w4,  w4,  #1
++        stp             x7,  x8,  [x0, #16]
++        add             x2,  x2,  x3
++        add             x0,  x0,  x1
++        b.ne            1b
++        ret
++endfunc
+diff --git a/libavcodec/aarch64/vp9mc_neon.S b/libavcodec/aarch64/vp9mc_neon.S
+index f67624ca04..abf2bae9db 100644
+--- a/libavcodec/aarch64/vp9mc_neon.S
++++ b/libavcodec/aarch64/vp9mc_neon.S
+@@ -25,23 +25,6 @@
+ //                            const uint8_t *ref, ptrdiff_t ref_stride,
+ //                            int h, int mx, int my);
+ 
+-function ff_vp9_copy64_aarch64, export=1
+-1:
+-        ldp             x5,  x6,  [x2]
+-        ldp             x7,  x8,  [x2, #16]
+-        stp             x5,  x6,  [x0]
+-        ldp             x9,  x10, [x2, #32]
+-        stp             x7,  x8,  [x0, #16]
+-        subs            w4,  w4,  #1
+-        ldp             x11, x12, [x2, #48]
+-        stp             x9,  x10, [x0, #32]
+-        stp             x11, x12, [x0, #48]
+-        add             x2,  x2,  x3
+-        add             x0,  x0,  x1
+-        b.ne            1b
+-        ret
+-endfunc
+-
+ function ff_vp9_avg64_neon, export=1
+         mov             x5,  x0
+ 1:
+@@ -64,19 +47,6 @@ function ff_vp9_avg64_neon, export=1
+         ret
+ endfunc
+ 
+-function ff_vp9_copy32_aarch64, export=1
+-1:
+-        ldp             x5,  x6,  [x2]
+-        ldp             x7,  x8,  [x2, #16]
+-        stp             x5,  x6,  [x0]
+-        subs            w4,  w4,  #1
+-        stp             x7,  x8,  [x0, #16]
+-        add             x2,  x2,  x3
+-        add             x0,  x0,  x1
+-        b.ne            1b
+-        ret
+-endfunc
+-
+ function ff_vp9_avg32_neon, export=1
+ 1:
+         ld1             {v2.16b, v3.16b},  [x2], x3

Telegram/Resources/langs/lang.strings

@@ -2239,6 +2239,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "lng_linux_menu_undo" = "Undo";
 "lng_linux_menu_redo" = "Redo";
+"lng_linux_menu_tools" = "Tools";
+"lng_linux_menu_help" = "Help";
 
 "lng_linux_no_audio_prefs" = "You don't have any audio configuration applications installed.";
 

Telegram/Resources/uwp/AppX/AppxManifest.xml

@@ -9,7 +9,7 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="1.9.19.0" />
+    Version="1.9.20.0" />
   <Properties>
     <DisplayName>Telegram Desktop</DisplayName>
     <PublisherDisplayName>Telegram FZ-LLC</PublisherDisplayName>

Telegram/SourceFiles/apiwrap.cpp

@@ -1503,7 +1503,8 @@ void ApiWrap::applyLastParticipantsList(
 	channel->mgInfo->lastAdmins.clear();
 	channel->mgInfo->lastRestricted.clear();
 	channel->mgInfo->lastParticipants.clear();
-	channel->mgInfo->lastParticipantsStatus = MegagroupInfo::LastParticipantsUpToDate;
+	channel->mgInfo->lastParticipantsStatus = MegagroupInfo::LastParticipantsUpToDate
+		| MegagroupInfo::LastParticipantsOnceReceived;
 
 	auto botStatus = channel->mgInfo->botStatus;
 	const auto emptyAdminRights = MTP_chatAdminRights(MTP_flags(0));

Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp

@@ -206,8 +206,7 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 		if (_chat) {
 			maxListSize += (_chat->participants.empty() ? _chat->lastAuthors.size() : _chat->participants.size());
 		} else if (_channel && _channel->isMegagroup()) {
-			if (_channel->mgInfo->lastParticipants.empty() || _channel->lastParticipantsCountOutdated()) {
-			} else {
+			if (!_channel->lastParticipantsRequestNeeded()) {
 				maxListSize += _channel->mgInfo->lastParticipants.size();
 			}
 		}
@@ -274,7 +273,7 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 			}
 		} else if (_channel && _channel->isMegagroup()) {
 			QMultiMap<int32, UserData*> ordered;
-			if (_channel->mgInfo->lastParticipants.empty() || _channel->lastParticipantsCountOutdated()) {
+			if (_channel->lastParticipantsRequestNeeded()) {
 				Auth().api().requestLastParticipants(_channel);
 			} else {
 				mrows.reserve(mrows.size() + _channel->mgInfo->lastParticipants.size());

Telegram/SourceFiles/chat_helpers/spellchecker_common.cpp

@@ -133,27 +133,22 @@ void DownloadDictionaryInBackground(
 	const auto id = langs[counter];
 	counter++;
 	const auto destroyer = [=] {
-		// This is a temporary workaround.
-		const auto copyId = id;
-		const auto copyLangs = langs;
-		const auto copySession = session;
-		const auto copyCounter = counter;
 		BackgroundLoader = nullptr;
 		BackgroundLoaderChanged.fire(0);
 
-		if (DictionaryExists(copyId)) {
-			auto dicts = copySession->settings().dictionariesEnabled();
-			if (!ranges::contains(dicts, copyId)) {
-				dicts.push_back(copyId);
-				copySession->settings().setDictionariesEnabled(std::move(dicts));
-				copySession->saveSettingsDelayed();
+		if (DictionaryExists(id)) {
+			auto dicts = session->settings().dictionariesEnabled();
+			if (!ranges::contains(dicts, id)) {
+				dicts.push_back(id);
+				session->settings().setDictionariesEnabled(std::move(dicts));
+				session->saveSettingsDelayed();
 			}
 		}
 
-		if (copyCounter >= copyLangs.size()) {
+		if (counter >= langs.size()) {
 			return;
 		}
-		DownloadDictionaryInBackground(copySession, copyCounter, copyLangs);
+		DownloadDictionaryInBackground(session, counter, langs);
 	};
 	if (DictionaryExists(id)) {
 		destroyer();
@@ -194,20 +189,21 @@ DictLoader::DictLoader(
 }
 
 void DictLoader::unpack(const QString &path) {
-	Expects(_destroyCallback);
 	crl::async([=] {
 		const auto success = Spellchecker::UnpackDictionary(path, id());
 		if (success) {
 			QFile(path).remove();
+			destroy();
+			return;
 		}
-		crl::on_main(success ? _destroyCallback : [=] { fail(); });
+		crl::on_main([=] { fail(); });
 	});
 }
 
 void DictLoader::destroy() {
 	Expects(_destroyCallback);
 
-	_destroyCallback();
+	crl::on_main(_destroyCallback);
 }
 
 void DictLoader::fail() {

Telegram/SourceFiles/chat_helpers/spellchecker_common.h

@@ -60,6 +60,7 @@ private:
 	void unpack(const QString &path) override;
 	void fail() override;
 
+	// Be sure to always call it in the main thread.
 	Fn<void()> _destroyCallback;
 
 	rpl::lifetime _lifetime;

Telegram/SourceFiles/core/changelogs.cpp

@@ -18,33 +18,6 @@ namespace {
 
 std::map<int, const char*> BetaLogs() {
 	return {
-	{
-		1008005,
-		"\xE2\x80\xA2 Create new themes based on your color "
-		"and wallpaper choices.\n"
-
-		"\xE2\x80\xA2 Share your themes with other users via links.\n"
-
-		"\xE2\x80\xA2 Update your theme for all its users "
-		"when you change something.\n"
-	},
-	{
-		1009000,
-		"\xE2\x80\xA2 System spell checker on Windows 8+ and macOS 10.12+.\n"
-	},
-	{
-		1009002,
-		"\xE2\x80\xA2 Videos in chats start playing automatically.\n"
-
-		"\xE2\x80\xA2 Resume playback from where you left off "
-		"when watching long videos.\n"
-
-		"\xE2\x80\xA2 Control videos, GIFs and round video messages "
-		"automatic playback in "
-		"Settings > Advanced > Automatic media download.\n"
-
-		"\xE2\x80\xA2 Spell checker on Linux using Enchant.\n"
-	},
 	{
 		1009010,
 		"\xE2\x80\xA2 Switch to the Picture-in-Picture mode "
@@ -63,12 +36,19 @@ std::map<int, const char*> BetaLogs() {
 
 		"\xE2\x80\xA2 Bug fixes and other minor improvements."
 	},
-
 	{
 		1009017,
 		"\xE2\x80\xA2 Spell checker on Windows 7.\n"
 
 		"\xE2\x80\xA2 Bug fixes and other minor improvements."
+	},
+	{
+		1009020,
+		"\xE2\x80\xA2 Fix crash in shared links search.\n"
+
+		"\xE2\x80\xA2 Fix blurred thumbnails in albums with video files.\n"
+
+		"\xE2\x80\xA2 Fix a possible crash in animated stickers rendering."
 	}
 	};
 };

Telegram/SourceFiles/core/launcher.cpp

@@ -247,6 +247,7 @@ void Launcher::init() {
 	prepareSettings();
 
 	QApplication::setApplicationName(qsl("KotatogramDesktop"));
+	QApplication::setApplicationDisplayName(AppName.utf16());
 
 #if defined(Q_OS_LINUX) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
 	QApplication::setDesktopFileName(Platform::GetLauncherFilename());

Telegram/SourceFiles/core/sandbox.cpp

@@ -274,7 +274,7 @@ void Sandbox::socketError(QLocalSocket::LocalSocketError e) {
 	psCheckLocalSocket(_localServerName);
 
 	if (!_localServer.listen(_localServerName)) {
-		LOG(("Failed to start listening to %1 server, error %2").arg(_localServerName).arg(int(_localServer.serverError())));
+		LOG(("Failed to start listening to %1 server: %2").arg(_localServerName).arg(_localServer.errorString()));
 		return App::quit();
 	}
 #endif // !Q_OS_WINRT

Telegram/SourceFiles/data/data_channel.cpp

@@ -341,6 +341,20 @@ bool ChannelData::isGroupAdmin(not_null<UserData*> user) const {
 	return false;
 }
 
+bool ChannelData::lastParticipantsRequestNeeded() const {
+	if (!mgInfo) {
+		return false;
+	} else if (mgInfo->lastParticipantsCount == membersCount()) {
+		mgInfo->lastParticipantsStatus
+			&= ~MegagroupInfo::LastParticipantsCountOutdated;
+	}
+	return mgInfo->lastParticipants.empty()
+		|| !(mgInfo->lastParticipantsStatus
+			& MegagroupInfo::LastParticipantsOnceReceived)
+		|| (mgInfo->lastParticipantsStatus
+			& MegagroupInfo::LastParticipantsCountOutdated);
+}
+
 QString ChannelData::adminRank(not_null<UserData*> user) const {
 	if (!isGroupAdmin(user)) {
 		return QString();

Telegram/SourceFiles/data/data_channel.h

@@ -73,6 +73,7 @@ public:
 
 	enum LastParticipantsStatus {
 		LastParticipantsUpToDate       = 0x00,
+		LastParticipantsOnceReceived   = 0x01,
 		LastParticipantsCountOutdated  = 0x02,
 	};
 	mutable int lastParticipantsStatus = LastParticipantsUpToDate;
@@ -219,21 +220,8 @@ public:
 	void markForbidden();
 
 	[[nodiscard]] bool isGroupAdmin(not_null<UserData*> user) const;
+	[[nodiscard]] bool lastParticipantsRequestNeeded() const;
 	[[nodiscard]] QString adminRank(not_null<UserData*> user) const;
-
-	[[nodiscard]] bool lastParticipantsCountOutdated() const {
-		if (!mgInfo
-			|| !(mgInfo->lastParticipantsStatus
-				& MegagroupInfo::LastParticipantsCountOutdated)) {
-			return false;
-		}
-		if (mgInfo->lastParticipantsCount == membersCount()) {
-			mgInfo->lastParticipantsStatus
-				&= ~MegagroupInfo::LastParticipantsCountOutdated;
-			return false;
-		}
-		return true;
-	}
 	[[nodiscard]] bool isMegagroup() const {
 		return flags() & MTPDchannel::Flag::f_megagroup;
 	}

Telegram/SourceFiles/data/data_document.cpp

@@ -42,7 +42,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 namespace {
 
-constexpr auto kMemoryForCache = 32 * 1024 * 1024;
+// Updated Mar 3, 2020: Increase the size of the memory cache for media, to prevent items still being displayed from being unloaded.
+constexpr auto kMemoryForCache = 128 * 1024 * 1024; // was 32, updated to 128
 const auto kAnimatedStickerDimensions = QSize(512, 512);
 
 using FilePathResolve = DocumentData::FilePathResolve;

Telegram/SourceFiles/history/history_widget.cpp

@@ -5171,6 +5171,8 @@ int HistoryWidget::countInitialScrollTop() {
 }
 
 void HistoryWidget::createUnreadBarIfBelowVisibleArea(int withScrollTop) {
+	Expects(_history != nullptr);
+
 	if (_history->unreadBar()) {
 		return;
 	}
@@ -5292,7 +5294,7 @@ void HistoryWidget::updateHistoryGeometry(
 		newScrollTop = countInitialScrollTop();
 		_historyInited = true;
 		_scrollToAnimation.stop();
-	} else if (wasAtBottom && !loadedDown) {
+	} else if (wasAtBottom && !loadedDown && !_history->unreadBar()) {
 		newScrollTop = countAutomaticScrollTop();
 	} else {
 		newScrollTop = std::min(

Telegram/SourceFiles/history/view/history_view_element.cpp

@@ -280,6 +280,16 @@ bool Element::isUnderCursor() const {
 	return _delegate->elementUnderCursor(this);
 }
 
+bool Element::isLastAndSelfMessage() const {
+	if (!hasOutLayout()) {
+		return false;
+	}
+	if (const auto last = data()->_history->lastMessage()) {
+		return last == data();
+	}
+	return false;
+}
+
 void Element::setPendingResize() {
 	_flags |= Flag::NeedsResize;
 	if (_context == Context::History) {

Telegram/SourceFiles/history/view/history_view_element.h

@@ -158,6 +158,8 @@ public:
 	bool pendingResize() const;
 	bool isUnderCursor() const;
 
+	bool isLastAndSelfMessage() const;
+
 	bool isAttachedToPrevious() const;
 	bool isAttachedToNext() const;
 

Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp

@@ -896,7 +896,7 @@ void TopBarWidget::updateOnlineDisplay() {
 		}
 	} else if (const auto channel = _activeChat.peer()->asChannel()) {
 		if (channel->isMegagroup() && channel->membersCount() > 0 && channel->membersCount() <= Global::ChatSizeMax()) {
-			if (channel->mgInfo->lastParticipants.empty() || channel->lastParticipantsCountOutdated()) {
+			if (channel->lastParticipantsRequestNeeded()) {
 				session().api().requestLastParticipants(channel);
 			}
 			const auto self = session().user();

Telegram/SourceFiles/history/view/media/history_view_gif.cpp

@@ -1180,7 +1180,7 @@ void Gif::validateGroupedCache(
 	const auto height = geometry.height();
 	const auto options = Option::Smooth
 		| Option::RoundedLarge
-		| (blur ? Option(0) : Option::Blurred)
+		| (blur ? Option::Blurred : Option(0))
 		| ((corners & RectPart::TopLeft) ? Option::RoundedTopLeft : Option::None)
 		| ((corners & RectPart::TopRight) ? Option::RoundedTopRight : Option::None)
 		| ((corners & RectPart::BottomLeft) ? Option::RoundedBottomLeft : Option::None)
@@ -1494,7 +1494,8 @@ bool Gif::dataLoaded() const {
 bool Gif::needInfoDisplay() const {
 	return _parent->data()->isSending()
 		|| _data->uploading()
-		|| _parent->isUnderCursor();
+		|| _parent->isUnderCursor()
+		|| _parent->isLastAndSelfMessage();
 }
 
 bool Gif::needCornerStatusDisplay() const {

Telegram/SourceFiles/history/view/media/history_view_media_grouped.cpp

@@ -464,7 +464,9 @@ bool GroupedMedia::computeNeedBubble() const {
 }
 
 bool GroupedMedia::needInfoDisplay() const {
-	return (_parent->data()->id < 0 || _parent->isUnderCursor());
+	return (_parent->data()->id < 0
+		|| _parent->isUnderCursor()
+		|| _parent->isLastAndSelfMessage());
 }
 
 } // namespace HistoryView

Telegram/SourceFiles/history/view/media/history_view_media_unwrapped.cpp

@@ -435,6 +435,7 @@ bool UnwrappedMedia::needInfoDisplay() const {
 	return (_parent->data()->id < 0)
 		|| (_parent->isUnderCursor())
 		|| (_parent->displayRightAction())
+		|| (_parent->isLastAndSelfMessage())
 		|| (_parent->hasOutLayout()
 			&& !Adaptive::ChatWide()
 			&& _content->alwaysShowOutTimestamp());

Telegram/SourceFiles/history/view/media/history_view_photo.cpp

@@ -523,7 +523,9 @@ bool Photo::dataLoaded() const {
 }
 
 bool Photo::needInfoDisplay() const {
-	return (_parent->data()->id < 0 || _parent->isUnderCursor());
+	return (_parent->data()->id < 0
+		|| _parent->isUnderCursor()
+		|| _parent->isLastAndSelfMessage());
 }
 
 void Photo::validateGroupedCache(

Telegram/SourceFiles/media/audio/media_audio.cpp

@@ -82,7 +82,7 @@ bool PlaybackErrorHappened() {
 
 void EnumeratePlaybackDevices() {
 	auto deviceNames = QStringList();
-	auto devices = alcGetString(nullptr, ALC_DEVICE_SPECIFIER);
+	auto devices = alcGetString(nullptr, ALC_ALL_DEVICES_SPECIFIER);
 	Assert(devices != nullptr);
 	while (*devices != 0) {
 		auto deviceName8Bit = QByteArray(devices);
@@ -92,7 +92,7 @@ void EnumeratePlaybackDevices() {
 	}
 	LOG(("Audio Playback Devices: %1").arg(deviceNames.join(';')));
 
-	if (auto device = alcGetString(nullptr, ALC_DEFAULT_DEVICE_SPECIFIER)) {
+	if (auto device = alcGetString(nullptr, ALC_DEFAULT_ALL_DEVICES_SPECIFIER)) {
 		LOG(("Audio Playback Default Device: %1").arg(QString::fromLocal8Bit(device)));
 	} else {
 		LOG(("Audio Playback Default Device: (null)"));

Telegram/SourceFiles/media/audio/media_audio_capture.cpp

@@ -62,16 +62,12 @@ Instance::Instance() : _inner(new Inner(&_thread)) {
 
 void Instance::check() {
 	_available = false;
-	if (auto defaultDevice = alcGetString(0, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER)) {
-		if (auto device = alcCaptureOpenDevice(defaultDevice, kCaptureFrequency, AL_FORMAT_MONO16, kCaptureFrequency / 5)) {
-			auto error = ErrorHappened(device);
-			alcCaptureCloseDevice(device);
-			_available = !error;
-		} else {
-			LOG(("Audio Error: Could not open capture device!"));
-		}
+	if (auto device = alcCaptureOpenDevice(nullptr, kCaptureFrequency, AL_FORMAT_MONO16, kCaptureFrequency / 5)) {
+		auto error = ErrorHappened(device);
+		alcCaptureCloseDevice(device);
+		_available = !error;
 	} else {
-		LOG(("Audio Error: No capture device found!"));
+		LOG(("Audio Error: Could not open capture device!"));
 	}
 }
 
@@ -177,9 +173,7 @@ void Instance::Inner::onInit() {
 void Instance::Inner::onStart() {
 
 	// Start OpenAL Capture
-	const ALCchar *dName = alcGetString(0, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER);
-	DEBUG_LOG(("Audio Info: Capture device name '%1'").arg(dName));
-	d->device = alcCaptureOpenDevice(dName, kCaptureFrequency, AL_FORMAT_MONO16, kCaptureFrequency / 5);
+	d->device = alcCaptureOpenDevice(nullptr, kCaptureFrequency, AL_FORMAT_MONO16, kCaptureFrequency / 5);
 	if (!d->device) {
 		LOG(("Audio Error: capture device not present!"));
 		emit error();

Telegram/SourceFiles/mtproto/details/mtproto_dump_to_text.cpp

@@ -7,10 +7,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "mtproto/details/mtproto_dump_to_text.h"
 
-#include "base/zlib_help.h"
 #include "scheme-dump_to_text.h"
 #include "scheme.h"
 
+#include "zlib.h"
+
 namespace MTP::details {
 
 bool DumpToTextCore(DumpToTextBuffer &to, const mtpPrime *&from, const mtpPrime *end, mtpTypeId cons, uint32 level, mtpPrime vcons) {

Telegram/SourceFiles/platform/linux/main_window_linux.h

@@ -14,6 +14,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
 #include "statusnotifieritem.h"
 #include <QtCore/QTemporaryFile>
+#include <QtDBus/QDBusObjectPath>
+#include <dbusmenuexporter.h>
 #endif
 
 namespace Platform {
@@ -38,13 +40,41 @@ public:
 public slots:
 	void psShowTrayMenu();
 
+#ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
+	void onSNIOwnerChanged(
+		const QString &service,
+		const QString &oldOwner,
+		const QString &newOwner);
+
+	void psLinuxUndo();
+	void psLinuxRedo();
+	void psLinuxCut();
+	void psLinuxCopy();
+	void psLinuxPaste();
+	void psLinuxDelete();
+	void psLinuxSelectAll();
+
+	void psLinuxBold();
+	void psLinuxItalic();
+	void psLinuxUnderline();
+	void psLinuxStrikeOut();
+	void psLinuxMonospace();
+	void psLinuxClearFormat();
+
+	void onVisibleChanged(bool visible);
+
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
+
 protected:
+	void initHook() override;
 	void unreadCounterChangedHook() override;
+	void updateGlobalMenuHook() override;
 
 	void initTrayMenuHook() override;
 	bool hasTrayIcon() const override;
 
 	void workmodeUpdated(DBIWorkMode mode) override;
+	void createGlobalMenu() override;
 
 	QSystemTrayIcon *trayIcon = nullptr;
 	QMenu *trayIconMenu = nullptr;
@@ -68,9 +98,32 @@ private:
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
 	StatusNotifierItem *_sniTrayIcon = nullptr;
 	std::unique_ptr<QTemporaryFile> _trayIconFile = nullptr;
-	std::unique_ptr<QTemporaryFile> _trayToolTipIconFile = nullptr;
 
-	void setSNITrayIcon(const QIcon &icon);
+	DBusMenuExporter *_mainMenuExporter = nullptr;
+	QDBusObjectPath _mainMenuPath;
+
+	QMenu *psMainMenu = nullptr;
+	QAction *psLogout = nullptr;
+	QAction *psUndo = nullptr;
+	QAction *psRedo = nullptr;
+	QAction *psCut = nullptr;
+	QAction *psCopy = nullptr;
+	QAction *psPaste = nullptr;
+	QAction *psDelete = nullptr;
+	QAction *psSelectAll = nullptr;
+	QAction *psContacts = nullptr;
+	QAction *psAddContact = nullptr;
+	QAction *psNewGroup = nullptr;
+	QAction *psNewChannel = nullptr;
+
+	QAction *psBold = nullptr;
+	QAction *psItalic = nullptr;
+	QAction *psUnderline = nullptr;
+	QAction *psStrikeOut = nullptr;
+	QAction *psMonospace = nullptr;
+	QAction *psClearFormat = nullptr;
+
+	void setSNITrayIcon(int counter, bool muted, bool firstShow = false);
 	void attachToSNITrayIcon();
 #endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
 

Telegram/SourceFiles/platform/linux/notifications_manager_linux.cpp

@@ -7,18 +7,20 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/linux/notifications_manager_linux.h"
 
+#ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
 #include "platform/linux/specific_linux.h"
 #include "history/history.h"
 #include "lang/lang_keys.h"
 #include "mainwindow.h"
 #include "facades.h"
 
-#include <QtWidgets/QApplication>
-#ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
 #include <QtCore/QVersionNumber>
+#include <QtDBus/QDBusMessage>
 #include <QtDBus/QDBusReply>
+#include <QtDBus/QDBusError>
 #include <QtDBus/QDBusMetaType>
-#endif
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
+#include <QtWidgets/QApplication>
 
 namespace Platform {
 namespace Notifications {
@@ -38,50 +40,101 @@ namespace {
 constexpr auto kService = "org.freedesktop.Notifications"_cs;
 constexpr auto kObjectPath = "/org/freedesktop/Notifications"_cs;
 constexpr auto kInterface = kService;
+constexpr auto kPropertiesInterface = "org.freedesktop.DBus.Properties"_cs;
 
-std::vector<QString> GetServerInformation(
-		const std::shared_ptr<QDBusInterface> &notificationInterface) {
+bool InhibitedNotSupported = false;
+
+std::vector<QString> ComputeServerInformation() {
 	std::vector<QString> serverInformation;
-	const auto serverInformationReply = notificationInterface
-		->call(qsl("GetServerInformation"));
 
-	if (serverInformationReply.type() == QDBusMessage::ReplyMessage) {
-		for (const auto &arg : serverInformationReply.arguments()) {
-			if (static_cast<QMetaType::Type>(arg.type())
-				== QMetaType::QString) {
-				serverInformation.push_back(arg.toString());
-			} else {
-				LOG(("Native notification error: "
-					"all elements in GetServerInformation "
-					"should be strings"));
-			}
-		}
-	} else if (serverInformationReply.type() == QDBusMessage::ErrorMessage) {
-		LOG(("Native notification error: %1")
-			.arg(serverInformationReply.errorMessage()));
+	const auto message = QDBusMessage::createMethodCall(
+		kService.utf16(),
+		kObjectPath.utf16(),
+		kInterface.utf16(),
+		qsl("GetServerInformation"));
+
+	const auto reply = QDBusConnection::sessionBus().call(message);
+
+	if (reply.type() == QDBusMessage::ReplyMessage) {
+		ranges::transform(
+			reply.arguments(),
+			ranges::back_inserter(serverInformation),
+			&QVariant::toString
+		);
+	} else if (reply.type() == QDBusMessage::ErrorMessage) {
+		LOG(("Native notification error: %1").arg(reply.errorMessage()));
 	} else {
 		LOG(("Native notification error: "
-			"error while getting information about notification daemon"));
+			"invalid reply from GetServerInformation"));
 	}
 
 	return serverInformation;
 }
 
-QStringList GetCapabilities(
-		const std::shared_ptr<QDBusInterface> &notificationInterface) {
-	const QDBusReply<QStringList> capabilitiesReply = notificationInterface
-		->call(qsl("GetCapabilities"));
+std::vector<QString> GetServerInformation() {
+	static const auto ServerInformation = ComputeServerInformation();
+	return ServerInformation;
+}
 
-	if (capabilitiesReply.isValid()) {
-		return capabilitiesReply.value();
+QStringList ComputeCapabilities() {
+	const auto message = QDBusMessage::createMethodCall(
+		kService.utf16(),
+		kObjectPath.utf16(),
+		kInterface.utf16(),
+		qsl("GetCapabilities"));
+
+	const QDBusReply<QStringList> reply = QDBusConnection::sessionBus().call(
+		message);
+
+	if (reply.isValid()) {
+		return reply.value();
 	} else {
-		LOG(("Native notification error: %1")
-			.arg(capabilitiesReply.error().message()));
+		LOG(("Native notification error: %1").arg(reply.error().message()));
 	}
 
 	return {};
 }
 
+QStringList GetCapabilities() {
+	static const auto Capabilities = ComputeCapabilities();
+	return Capabilities;
+}
+
+bool Inhibited() {
+	auto message = QDBusMessage::createMethodCall(
+		kService.utf16(),
+		kObjectPath.utf16(),
+		kPropertiesInterface.utf16(),
+		qsl("Get"));
+
+	message.setArguments({
+		qsl("org.freedesktop.Notifications"),
+		qsl("Inhibited")
+	});
+
+	const QDBusReply<QVariant> reply = QDBusConnection::sessionBus().call(
+		message);
+
+	constexpr auto notSupportedErrors = {
+		QDBusError::ServiceUnknown,
+		QDBusError::InvalidArgs,
+	};
+
+	if (reply.isValid()) {
+		return reply.value().toBool();
+	} else if (ranges::contains(notSupportedErrors, reply.error().type())) {
+		InhibitedNotSupported = true;
+	} else {
+		if (reply.error().type() == QDBusError::AccessDenied) {
+			InhibitedNotSupported = true;
+		}
+
+		LOG(("Native notification error: %1").arg(reply.error().message()));
+	}
+
+	return false;
+}
+
 QVersionNumber ParseSpecificationVersion(
 		const std::vector<QString> &serverInformation) {
 	if (serverInformation.size() >= 4) {
@@ -94,10 +147,31 @@ QVersionNumber ParseSpecificationVersion(
 	return QVersionNumber();
 }
 
+QString GetImageKey(const QVersionNumber &specificationVersion) {
+	if (!specificationVersion.isNull()) {
+		const auto majorVersion = specificationVersion.majorVersion();
+		const auto minorVersion = specificationVersion.minorVersion();
+
+		if ((majorVersion == 1 && minorVersion >= 2) || majorVersion > 1) {
+			return qsl("image-data");
+		} else if (majorVersion == 1 && minorVersion == 1) {
+			return qsl("image_data");
+		} else if ((majorVersion == 1 && minorVersion < 1)
+			|| majorVersion < 1) {
+			return qsl("icon_data");
+		} else {
+			LOG(("Native notification error: unknown specification version"));
+		}
+	} else {
+		LOG(("Native notification error: specification version is null"));
+	}
+
+	return QString();
+}
+
 }
 
 NotificationData::NotificationData(
-		const std::shared_ptr<QDBusInterface> &notificationInterface,
 		const base::weak_ptr<Manager> &manager,
 		const QString &title,
 		const QString &subtitle,
@@ -105,12 +179,14 @@ NotificationData::NotificationData(
 		PeerId peerId,
 		MsgId msgId,
 		bool hideReplyButton)
-: _notificationInterface(notificationInterface)
+: _dbusConnection(QDBusConnection::sessionBus())
 , _manager(manager)
 , _title(title)
+, _imageKey(GetImageKey(ParseSpecificationVersion(
+	GetServerInformation())))
 , _peerId(peerId)
 , _msgId(msgId) {
-	const auto capabilities = GetCapabilities(_notificationInterface);
+	const auto capabilities = GetCapabilities();
 
 	if (capabilities.contains(qsl("body-markup"))) {
 		_body = subtitle.isEmpty()
@@ -127,19 +203,16 @@ NotificationData::NotificationData(
 	if (capabilities.contains(qsl("actions"))) {
 		_actions << qsl("default") << QString();
 
-		_notificationInterface->connection().connect(
-			kService.utf16(),
-			kObjectPath.utf16(),
-			kInterface.utf16(),
-			qsl("ActionInvoked"),
-			this,
-			SLOT(notificationClicked(uint,QString)));
+		_actions
+			<< qsl("mail-mark-read")
+			<< tr::lng_context_mark_read(tr::now);
 
 		if (capabilities.contains(qsl("inline-reply")) && !hideReplyButton) {
-			_actions << qsl("inline-reply")
+			_actions
+				<< qsl("inline-reply")
 				<< tr::lng_notification_reply(tr::now);
 
-			_notificationInterface->connection().connect(
+			_dbusConnection.connect(
 				kService.utf16(),
 				kObjectPath.utf16(),
 				kInterface.utf16(),
@@ -148,9 +221,18 @@ NotificationData::NotificationData(
 				SLOT(notificationReplied(uint,QString)));
 		} else {
 			// icon name according to https://specifications.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html
-			_actions << qsl("mail-reply-sender")
+			_actions
+				<< qsl("mail-reply-sender")
 				<< tr::lng_notification_reply(tr::now);
 		}
+
+		_dbusConnection.connect(
+			kService.utf16(),
+			kObjectPath.utf16(),
+			kInterface.utf16(),
+			qsl("ActionInvoked"),
+			this,
+			SLOT(actionInvoked(uint,QString)));
 	}
 
 	if (capabilities.contains(qsl("action-icons"))) {
@@ -172,10 +254,9 @@ NotificationData::NotificationData(
 	}
 
 	_hints["category"] = qsl("im.received");
-
 	_hints["desktop-entry"] = GetLauncherBasename();
 
-	_notificationInterface->connection().connect(
+	_dbusConnection.connect(
 		kService.utf16(),
 		kObjectPath.utf16(),
 		kInterface.utf16(),
@@ -184,65 +265,56 @@ NotificationData::NotificationData(
 		SLOT(notificationClosed(uint)));
 }
 
-bool NotificationData::show(bool hideNameAndPhoto) {
-	const QDBusReply<uint> notifyReply = _notificationInterface->call(
-		qsl("Notify"),
+bool NotificationData::show() {
+	const auto iconName = _imageKey.isEmpty() || !_hints.contains(_imageKey)
+		? GetIconName()
+		: QString();
+
+	auto message = QDBusMessage::createMethodCall(
+		kService.utf16(),
+		kObjectPath.utf16(),
+		kInterface.utf16(),
+		qsl("Notify"));
+
+	message.setArguments({
 		AppName.utf16(),
 		uint(0),
-		hideNameAndPhoto
-			? qsl("telegram")
-			: QString(),
+		iconName,
 		_title,
 		_body,
 		_actions,
 		_hints,
-		-1);
+		-1
+	});
 
-	if (notifyReply.isValid()) {
-		_notificationId = notifyReply.value();
+	const QDBusReply<uint> reply = _dbusConnection.call(
+		message);
+
+	if (reply.isValid()) {
+		_notificationId = reply.value();
 	} else {
-		LOG(("Native notification error: %1")
-			.arg(notifyReply.error().message()));
+		LOG(("Native notification error: %1").arg(reply.error().message()));
 	}
 
-	return notifyReply.isValid();
+	return reply.isValid();
 }
 
-bool NotificationData::close() {
-	const QDBusReply<void> closeReply = _notificationInterface
-		->call(qsl("CloseNotification"), _notificationId);
+void NotificationData::close() {
+	auto message = QDBusMessage::createMethodCall(
+		kService.utf16(),
+		kObjectPath.utf16(),
+		kInterface.utf16(),
+		qsl("CloseNotification"));
 
-	if (!closeReply.isValid()) {
-		LOG(("Native notification error: %1")
-			.arg(closeReply.error().message()));
-	}
+	message.setArguments({
+		_notificationId
+	});
 
-	return closeReply.isValid();
+	_dbusConnection.send(message);
 }
 
 void NotificationData::setImage(const QString &imagePath) {
-	const auto specificationVersion = ParseSpecificationVersion(
-		GetServerInformation(_notificationInterface));
-
-	QString imageKey;
-
-	if (!specificationVersion.isNull()) {
-		const auto majorVersion = specificationVersion.majorVersion();
-		const auto minorVersion = specificationVersion.minorVersion();
-
-		if ((majorVersion == 1 && minorVersion >= 2) || majorVersion > 1) {
-			imageKey = qsl("image-data");
-		} else if (majorVersion == 1 && minorVersion == 1) {
-			imageKey = qsl("image_data");
-		} else if ((majorVersion == 1 && minorVersion < 1)
-			|| majorVersion < 1) {
-			imageKey = qsl("icon_data");
-		} else {
-			LOG(("Native notification error: unknown specification version"));
-			return;
-		}
-	} else {
-		LOG(("Native notification error: specification version is null"));
+	if (_imageKey.isEmpty()) {
 		return;
 	}
 
@@ -253,20 +325,21 @@ void NotificationData::setImage(const QString &imagePath) {
 		(const char*)image.constBits(),
 #if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
 		image.byteCount());
-#else
+#else // Qt < 5.10.0
 		image.sizeInBytes());
-#endif
+#endif // Qt >= 5.10.0
 
-	ImageData imageData;
-	imageData.width = image.width();
-	imageData.height = image.height();
-	imageData.rowStride = image.bytesPerLine();
-	imageData.hasAlpha = true;
-	imageData.bitsPerSample = 8;
-	imageData.channels = 4;
-	imageData.data = imageBytes;
+	const auto imageData = ImageData{
+		image.width(),
+		image.height(),
+		image.bytesPerLine(),
+		true,
+		8,
+		4,
+		imageBytes
+	};
 
-	_hints[imageKey] = QVariant::fromValue(imageData);
+	_hints[_imageKey] = QVariant::fromValue(imageData);
 }
 
 void NotificationData::notificationClosed(uint id) {
@@ -278,19 +351,23 @@ void NotificationData::notificationClosed(uint id) {
 	}
 }
 
-void NotificationData::notificationClicked(uint id, const QString &actionId) {
+void NotificationData::actionInvoked(uint id, const QString &actionName) {
 	if (id != _notificationId) {
 		return;
 	}
 
-	if (actionId != qsl("default") && actionId != qsl("mail-reply-sender")) {
-		return;
+	if (actionName == qsl("default")
+		|| actionName == qsl("mail-reply-sender")) {
+		const auto manager = _manager;
+		crl::on_main(manager, [=] {
+			manager->notificationActivated(_peerId, _msgId);
+		});
+	} else if (actionName == qsl("mail-mark-read")) {
+		const auto manager = _manager;
+		crl::on_main(manager, [=] {
+			manager->notificationReplied(_peerId, _msgId, {});
+		});
 	}
-
-	const auto manager = _manager;
-	crl::on_main(manager, [=] {
-		manager->notificationActivated(_peerId, _msgId);
-	});
 }
 
 void NotificationData::notificationReplied(uint id, const QString &text) {
@@ -306,7 +383,8 @@ QDBusArgument &operator<<(
 		QDBusArgument &argument,
 		const NotificationData::ImageData &imageData) {
 	argument.beginStructure();
-	argument << imageData.width
+	argument
+		<< imageData.width
 		<< imageData.height
 		<< imageData.rowStride
 		<< imageData.hasAlpha
@@ -321,7 +399,8 @@ const QDBusArgument &operator>>(
 		const QDBusArgument &argument,
 		NotificationData::ImageData &imageData) {
 	argument.beginStructure();
-	argument >> imageData.width
+	argument
+		>> imageData.width
 		>> imageData.height
 		>> imageData.rowStride
 		>> imageData.hasAlpha
@@ -331,20 +410,39 @@ const QDBusArgument &operator>>(
 	argument.endStructure();
 	return argument;
 }
-#endif
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
+
+bool SkipAudio() {
+#ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
+	if (Supported()
+		&& GetCapabilities().contains(qsl("inhibitions"))
+		&& !InhibitedNotSupported) {
+		return Inhibited();
+	}
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
+
+	return false;
+}
+
+bool SkipToast() {
+#ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
+	if (Supported()
+		&& GetCapabilities().contains(qsl("inhibitions"))
+		&& !InhibitedNotSupported) {
+		return Inhibited();
+	}
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
+
+	return false;
+}
 
 bool Supported() {
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
-	static const auto Available = QDBusInterface(
-		kService.utf16(),
-		kObjectPath.utf16(),
-		kInterface.utf16()
-	).isValid();
-
+	static const auto Available = !GetServerInformation().empty();
 	return Available;
-#else
+#else // !TDESKTOP_DISABLE_DBUS_INTEGRATION
 	return false;
-#endif
+#endif // TDESKTOP_DISABLE_DBUS_INTEGRATION
 }
 
 std::unique_ptr<Window::Notifications::Manager> Create(
@@ -353,34 +451,36 @@ std::unique_ptr<Window::Notifications::Manager> Create(
 	if (Global::NativeNotifications() && Supported()) {
 		return std::make_unique<Manager>(system);
 	}
-#endif
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
 	return nullptr;
 }
 
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
-Manager::Private::Private(Manager *manager, Type type)
+Manager::Private::Private(not_null<Manager*> manager, Type type)
 : _cachedUserpics(type)
-, _manager(manager)
-, _notificationInterface(
-	std::make_shared<QDBusInterface>(
-		kService.utf16(),
-		kObjectPath.utf16(),
-		kInterface.utf16())) {
+, _manager(manager) {
 	qDBusRegisterMetaType<NotificationData::ImageData>();
 
-	const auto specificationVersion = ParseSpecificationVersion(
-		GetServerInformation(_notificationInterface));
+	const auto serverInformation = GetServerInformation();
+	const auto capabilities = GetCapabilities();
 
-	const auto capabilities = GetCapabilities(_notificationInterface);
+	if (!serverInformation.empty()) {
+		LOG(("Notification daemon product name: %1")
+			.arg(serverInformation[0]));
+
+		LOG(("Notification daemon vendor name: %1")
+			.arg(serverInformation[1]));
+
+		LOG(("Notification daemon version: %1")
+			.arg(serverInformation[2]));
 
-	if (!specificationVersion.isNull()) {
 		LOG(("Notification daemon specification version: %1")
-			.arg(specificationVersion.toString()));
+			.arg(serverInformation[3]));
 	}
 
-	if (!capabilities.empty()) {
-		const auto capabilitiesString = capabilities.join(", ");
-		LOG(("Notification daemon capabilities: %1").arg(capabilitiesString));
+	if (!capabilities.isEmpty()) {
+		LOG(("Notification daemon capabilities: %1")
+			.arg(capabilities.join(", ")));
 	}
 }
 
@@ -393,7 +493,6 @@ void Manager::Private::showNotification(
 		bool hideNameAndPhoto,
 		bool hideReplyButton) {
 	auto notification = std::make_shared<NotificationData>(
-		_notificationInterface,
 		_manager,
 		title,
 		subtitle,
@@ -421,7 +520,7 @@ void Manager::Private::showNotification(
 		i = _notifications.insert(peer->id, QMap<MsgId, Notification>());
 	}
 	_notifications[peer->id].insert(msgId, notification);
-	if (!notification->show(hideNameAndPhoto)) {
+	if (!notification->show()) {
 		i = _notifications.find(peer->id);
 		if (i != _notifications.cend()) {
 			i->remove(msgId);
@@ -465,7 +564,7 @@ Manager::Private::~Private() {
 	clearAll();
 }
 
-Manager::Manager(Window::Notifications::System *system)
+Manager::Manager(not_null<Window::Notifications::System*> system)
 : NativeManager(system)
 , _private(std::make_unique<Private>(this, Private::Type::Rounded)) {
 }
@@ -501,7 +600,7 @@ void Manager::doClearAllFast() {
 void Manager::doClearFromHistory(not_null<History*> history) {
 	_private->clearFromHistory(history);
 }
-#endif
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
 
 } // namespace Notifications
 } // namespace Platform

Telegram/SourceFiles/platform/linux/notifications_manager_linux.h

@@ -12,28 +12,19 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/weak_ptr.h"
 
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
-#include <QtDBus/QDBusInterface>
+#include <QtDBus/QDBusConnection>
 #include <QtDBus/QDBusArgument>
-#endif
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
 
 namespace Platform {
 namespace Notifications {
 
-inline bool SkipAudio() {
-	return false;
-}
-
-inline bool SkipToast() {
-	return false;
-}
-
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
 class NotificationData : public QObject {
 	Q_OBJECT
 
 public:
 	NotificationData(
-		const std::shared_ptr<QDBusInterface> &notificationInterface,
 		const base::weak_ptr<Manager> &manager,
 		const QString &title,
 		const QString &subtitle,
@@ -47,8 +38,8 @@ public:
 	NotificationData(NotificationData &&other) = delete;
 	NotificationData &operator=(NotificationData &&other) = delete;
 
-	bool show(bool hideNameAndPhoto);
-	bool close();
+	bool show();
+	void close();
 	void setImage(const QString &imagePath);
 
 	struct ImageData {
@@ -59,13 +50,14 @@ public:
 	};
 
 private:
-	std::shared_ptr<QDBusInterface> _notificationInterface;
+	QDBusConnection _dbusConnection;
 	base::weak_ptr<Manager> _manager;
 
 	QString _title;
 	QString _body;
 	QStringList _actions;
 	QVariantMap _hints;
+	QString _imageKey;
 
 	uint _notificationId;
 	PeerId _peerId;
@@ -73,7 +65,7 @@ private:
 
 private slots:
 	void notificationClosed(uint id);
-	void notificationClicked(uint id, const QString &actionId);
+	void actionInvoked(uint id, const QString &actionName);
 	void notificationReplied(uint id, const QString &text);
 };
 
@@ -91,7 +83,7 @@ class Manager
 	: public Window::Notifications::NativeManager
 	, public base::has_weak_ptr {
 public:
-	Manager(Window::Notifications::System *system);
+	Manager(not_null<Window::Notifications::System*> system);
 	void clearNotification(PeerId peerId, MsgId msgId);
 	~Manager();
 
@@ -116,7 +108,7 @@ private:
 class Manager::Private {
 public:
 	using Type = Window::Notifications::CachedUserpics::Type;
-	explicit Private(Manager *manager, Type type);
+	explicit Private(not_null<Manager*> manager, Type type);
 
 	void showNotification(
 		not_null<PeerData*> peer,
@@ -138,13 +130,12 @@ private:
 
 	Window::Notifications::CachedUserpics _cachedUserpics;
 	base::weak_ptr<Manager> _manager;
-	std::shared_ptr<QDBusInterface> _notificationInterface;
 };
-#endif
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
 
 } // namespace Notifications
 } // namespace Platform
 
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
 Q_DECLARE_METATYPE(Platform::Notifications::NotificationData::ImageData)
-#endif
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION

Telegram/SourceFiles/platform/linux/specific_linux.cpp

@@ -26,7 +26,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
 #include <QtDBus/QDBusInterface>
-#endif
+#include <QtDBus/QDBusConnection>
+#include <QtDBus/QDBusMessage>
+#include <QtDBus/QDBusReply>
+#include <QtDBus/QDBusError>
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
 
 #include <sys/stat.h>
 #include <sys/types.h>
@@ -44,9 +48,10 @@ namespace {
 
 constexpr auto kDesktopFile = ":/misc/kotatogramdesktop.desktop"_cs;
 constexpr auto kSnapLauncherDir = "/var/lib/snapd/desktop/applications/"_cs;
+constexpr auto kIconName = "telegram"_cs;
 
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
-void SandboxAutostart(bool autostart) {
+void SandboxAutostart(bool autostart, bool silent = false) {
 	QVariantMap options;
 	options["reason"] = tr::lng_settings_auto_start(tr::now);
 	options["autostart"] = autostart;
@@ -56,20 +61,29 @@ void SandboxAutostart(bool autostart) {
 	});
 	options["dbus-activatable"] = false;
 
-	const auto requestBackgroundReply = QDBusInterface(
+	auto message = QDBusMessage::createMethodCall(
 		qsl("org.freedesktop.portal.Desktop"),
 		qsl("/org/freedesktop/portal/desktop"),
-		qsl("org.freedesktop.portal.Background")
-	).call(qsl("RequestBackground"), QString(), options);
+		qsl("org.freedesktop.portal.Background"),
+		qsl("RequestBackground"));
 
-	if (requestBackgroundReply.type() == QDBusMessage::ErrorMessage) {
-		LOG(("Flatpak autostart error: %1")
-			.arg(requestBackgroundReply.errorMessage()));
-	} else if (requestBackgroundReply.type() != QDBusMessage::ReplyMessage) {
-		LOG(("Flatpak autostart error: invalid reply"));
+	message.setArguments({
+		QString(),
+		options
+	});
+
+	if (silent) {
+		QDBusConnection::sessionBus().send(message);
+	} else {
+		const QDBusReply<void> reply = QDBusConnection::sessionBus().call(
+			message);
+
+		if (!reply.isValid()) {
+			LOG(("Flatpak autostart error: %1").arg(reply.error().message()));
+		}
 	}
 }
-#endif
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
 
 bool RunShellCommand(const QByteArray &command) {
 	auto result = system(command.constData());
@@ -120,7 +134,10 @@ void FallbackFontConfig() {
 #endif // TDESKTOP_USE_FONT_CONFIG_FALLBACK
 }
 
-bool GenerateDesktopFile(const QString &targetPath, const QString &args) {
+bool GenerateDesktopFile(
+		const QString &targetPath,
+		const QString &args,
+		bool silent = false) {
 	DEBUG_LOG(("App Info: placing .desktop file to %1").arg(targetPath));
 	if (!QDir(targetPath).exists()) QDir().mkpath(targetPath);
 
@@ -142,7 +159,9 @@ bool GenerateDesktopFile(const QString &targetPath, const QString &args) {
 		fileText = s.readAll();
 		source.close();
 	} else {
-		LOG(("App Error: Could not open '%1' for read").arg(sourceFile));
+		if (!silent) {
+			LOG(("App Error: Could not open '%1' for read").arg(sourceFile));
+		}
 		return false;
 	}
 
@@ -150,23 +169,28 @@ bool GenerateDesktopFile(const QString &targetPath, const QString &args) {
 	if (target.open(QIODevice::WriteOnly)) {
 #ifdef DESKTOP_APP_USE_PACKAGED
 		fileText = fileText.replace(
-			QRegularExpression(qsl("^Exec=(.*) -- %u$"),
+			QRegularExpression(
+				qsl("^Exec=(.*) -- %u$"),
 				QRegularExpression::MultilineOption),
 			qsl("Exec=\\1")
 				+ (args.isEmpty() ? QString() : ' ' + args));
-#else
+#else // DESKTOP_APP_USE_PACKAGED
 		fileText = fileText.replace(
-			QRegularExpression(qsl("^TryExec=.*$"),
+			QRegularExpression(
+				qsl("^TryExec=.*$"),
 				QRegularExpression::MultilineOption),
 			qsl("TryExec=")
-				+ EscapeShell(QFile::encodeName(cExeDir() + cExeName())));
+				+ QFile::encodeName(cExeDir() + cExeName())
+					.replace('\\', qsl("\\\\")));
 		fileText = fileText.replace(
-			QRegularExpression(qsl("^Exec=.*$"),
+			QRegularExpression(
+				qsl("^Exec=.*$"),
 				QRegularExpression::MultilineOption),
 			qsl("Exec=")
 				+ EscapeShell(QFile::encodeName(cExeDir() + cExeName()))
+					.replace('\\', qsl("\\\\"))
 				+ (args.isEmpty() ? QString() : ' ' + args));
-#endif
+#endif // !DESKTOP_APP_USE_PACKAGED
 		target.write(fileText.toUtf8());
 		target.close();
 
@@ -175,7 +199,9 @@ bool GenerateDesktopFile(const QString &targetPath, const QString &args) {
 
 		return true;
 	} else {
-		LOG(("App Error: Could not open '%1' for write").arg(targetFile));
+		if (!silent) {
+			LOG(("App Error: Could not open '%1' for write").arg(targetFile));
+		}
 		return false;
 	}
 }
@@ -189,9 +215,7 @@ void SetApplicationIcon(const QIcon &icon) {
 }
 
 bool InSandbox() {
-	static const auto Sandbox = QFileInfo::exists(
-		QStandardPaths::writableLocation(QStandardPaths::RuntimeLocation)
-			+ qsl("/flatpak-info"));
+	static const auto Sandbox = QFileInfo::exists(qsl("/.flatpak-info"));
 	return Sandbox;
 }
 
@@ -208,12 +232,18 @@ bool IsXDGDesktopPortalPresent() {
 		"org.freedesktop.portal.Desktop",
 		"/org/freedesktop/portal/desktop").isValid();
 #endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
+
 	return XDGDesktopPortalPresent;
 }
 
 bool UseXDGDesktopPortal() {
-	static const auto UsePortal = qEnvironmentVariableIsSet("TDESKTOP_USE_PORTAL")
-		&& IsXDGDesktopPortalPresent();
+	static const auto UsePortal = [&] {
+		const auto envVar = qEnvironmentVariableIsSet("TDESKTOP_USE_PORTAL");
+		const auto portalPresent = IsXDGDesktopPortalPresent();
+
+		return envVar && portalPresent;
+	}();
+
 	return UsePortal;
 }
 
@@ -309,7 +339,6 @@ QString GetLauncherBasename() {
 		return possibleBasenames[0];
 	}();
 
-	LOG(("Launcher filename is %1.desktop").arg(LauncherBasename));
 	return LauncherBasename;
 }
 
@@ -319,6 +348,55 @@ QString GetLauncherFilename() {
 	return LauncherFilename;
 }
 
+QString GetIconName() {
+	static const auto IconName = InSandbox()
+		? GetLauncherBasename()
+		: kIconName.utf16();
+	return IconName;
+}
+
+std::optional<crl::time> LastUserInputTime() {
+	// TODO: a fallback pure-X11 implementation, this one covers only major DEs on X11 and Wayland
+	// an example: https://stackoverflow.com/q/9049087
+#ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
+	static auto NotSupported = false;
+
+	if (NotSupported) {
+		return std::nullopt;
+	}
+
+	static const auto message = QDBusMessage::createMethodCall(
+		qsl("org.freedesktop.ScreenSaver"),
+		qsl("/org/freedesktop/ScreenSaver"),
+		qsl("org.freedesktop.ScreenSaver"),
+		qsl("GetSessionIdleTime"));
+
+	const QDBusReply<uint> reply = QDBusConnection::sessionBus().call(
+		message);
+
+	constexpr auto notSupportedErrors = {
+		QDBusError::ServiceUnknown,
+		QDBusError::NotSupported,
+	};
+
+	if (reply.isValid()) {
+		return (crl::now() - static_cast<crl::time>(reply.value()));
+	} else if (ranges::contains(notSupportedErrors, reply.error().type())) {
+		NotSupported = true;
+	} else {
+		if (reply.error().type() == QDBusError::AccessDenied) {
+			NotSupported = true;
+		}
+
+		LOG(("Unable to get last user input time: %1: %2")
+			.arg(reply.error().name())
+			.arg(reply.error().message()));
+	}
+#endif // !TDESKTOP_DISABLE_DBUS_INTEGRATION
+
+	return std::nullopt;
+}
+
 } // namespace Platform
 
 namespace {
@@ -395,15 +473,18 @@ QString getHomeDir() {
 
 QString psAppDataPath() {
 	// We should not use ~/.TelegramDesktop, since it's a fork.
-
-	// auto home = getHomeDir();
-	// if (!home.isEmpty()) {
-	// 	auto oldPath = home + qsl(".TelegramDesktop/");
-	// 	auto oldSettingsBase = oldPath + qsl("tdata/settings");
-	// 	if (QFile(oldSettingsBase + '0').exists() || QFile(oldSettingsBase + '1').exists()) {
-	// 		return oldPath;
-	// 	}
-	// }
+	/*
+	auto home = getHomeDir();
+	if (!home.isEmpty()) {
+		auto oldPath = home + qsl(".TelegramDesktop/");
+		auto oldSettingsBase = oldPath + qsl("tdata/settings");
+		if (QFile(oldSettingsBase + '0').exists()
+			|| QFile(oldSettingsBase + '1').exists()
+			|| QFile(oldSettingsBase + 's').exists()) {
+			return oldPath;
+		}
+	}
+	*/
 
 	return QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation) + '/';
 }
@@ -432,8 +513,12 @@ int psFixPrevious() {
 namespace Platform {
 
 void start() {
+	LOG(("Launcher filename: %1").arg(GetLauncherFilename()));
 	FallbackFontConfig();
 
+	qputenv("PULSE_PROP_application.name", AppName.utf8());
+	qputenv("PULSE_PROP_application.icon_name", GetIconName().toLatin1());
+
 #ifdef TDESKTOP_FORCE_GTK_FILE_DIALOG
 	LOG(("Checking for XDG Desktop Portal..."));
 	// this can give us a chance to use a proper file dialog for current session
@@ -454,24 +539,29 @@ void start() {
 void finish() {
 }
 
-void RegisterCustomScheme() {
+void RegisterCustomScheme(bool force) {
 #ifndef TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME
-	auto home = getHomeDir();
-	if (home.isEmpty() || cAlphaVersion() || cExeName().isEmpty())
-		return; // don't update desktop file for alpha version
-	if (Core::UpdaterDisabled())
+	const auto home = getHomeDir();
+	if (home.isEmpty() || cExeName().isEmpty())
+		return;
+
+	static const auto disabledByEnv = qEnvironmentVariableIsSet(
+		"TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION");
+
+	// don't update desktop file for alpha version or if updater is disabled
+	if ((cAlphaVersion() || Core::UpdaterDisabled() || disabledByEnv)
+		&& !force)
 		return;
 
 	const auto applicationsPath = QStandardPaths::writableLocation(
 		QStandardPaths::ApplicationsLocation) + '/';
 
-#ifndef TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION
 	GenerateDesktopFile(applicationsPath, qsl("-- %u"));
 
 	const auto icons =
 		QStandardPaths::writableLocation(
 			QStandardPaths::GenericDataLocation)
-		+ qsl("/icons/");
+			+ qsl("/icons/");
 
 	if (!QDir(icons).exists()) QDir().mkpath(icons);
 
@@ -485,10 +575,9 @@ void RegisterCustomScheme() {
 	}
 	if (!iconExists) {
 		if (QFile(qsl(":/gui/art/logo_256.png")).copy(icon)) {
-			DEBUG_LOG(("App Info: Icon copied to 'tdata'"));
+			DEBUG_LOG(("App Info: Icon copied to '%1'").arg(icon));
 		}
 	}
-#endif // !TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION
 
 	RunShellCommand("update-desktop-database "
 		+ EscapeShell(QFile::encodeName(applicationsPath)));
@@ -559,14 +648,14 @@ bool psShowOpenWithMenu(int x, int y, const QString &file) {
 }
 
 void psAutoStart(bool start, bool silent) {
-	auto home = getHomeDir();
-	if (home.isEmpty() || cAlphaVersion() || cExeName().isEmpty())
+	const auto home = getHomeDir();
+	if (home.isEmpty() || cExeName().isEmpty())
 		return;
 
 	if (InSandbox()) {
 #ifndef TDESKTOP_DISABLE_DBUS_INTEGRATION
-		SandboxAutostart(start);
-#endif
+		SandboxAutostart(start, silent);
+#endif // !DESKTOP_APP_USE_PACKAGED
 	} else {
 		const auto autostart = [&] {
 			if (InSnap()) {
@@ -578,12 +667,12 @@ void psAutoStart(bool start, bool silent) {
 			} else {
 				return QStandardPaths::writableLocation(
 					QStandardPaths::GenericConfigLocation)
-				+ qsl("/autostart/");
+					+ qsl("/autostart/");
 			}
 		}();
 
 		if (start) {
-			GenerateDesktopFile(autostart, qsl("-autostart"));
+			GenerateDesktopFile(autostart, qsl("-autostart"), silent);
 		} else {
 			QFile::remove(autostart + GetLauncherFilename());
 		}

Telegram/SourceFiles/platform/linux/specific_linux.h

@@ -35,9 +35,7 @@ QString SingleInstanceLocalServerName(const QString &hash);
 QString GetLauncherBasename();
 QString GetLauncherFilename();
 
-inline std::optional<crl::time> LastUserInputTime() {
-	return std::nullopt;
-}
+QString GetIconName();
 
 inline void IgnoreApplicationActivationRightNow() {
 }

Telegram/SourceFiles/platform/mac/mac_touchbar.mm

@@ -481,6 +481,8 @@ void AppendEmojiPacks(std::vector<PickerScrubberItem> &to) {
 @implementation PinnedDialogButton {
 	rpl::lifetime _lifetime;
 	rpl::lifetime _peerChangedLifetime;
+	base::has_weak_ptr _guard;
+
 	bool isWaitingUserpicLoad;
 }
 
@@ -518,7 +520,7 @@ void AppendEmojiPacks(std::vector<PickerScrubberItem> &to) {
 	) | rpl::filter([](const Window::Theme::BackgroundUpdate &update) {
 		return update.paletteChanged();
 	}) | rpl::start_with_next([=] {
-		crl::on_main([=] {
+		crl::on_main(&_guard, [=] {
 			if (_number <= kSavedMessagesId || UseEmptyUserpic(_peer)) {
 				[self updateUserpic];
 			} else if (_peer

Telegram/SourceFiles/platform/mac/specific_mac.mm

@@ -136,7 +136,7 @@ void RemoveQuarantine(const QString &path) {
 	removexattr(local.data(), kQuarantineAttribute, 0);
 }
 
-void RegisterCustomScheme() {
+void RegisterCustomScheme(bool force) {
 #ifndef TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME
 	OSStatus result = LSSetDefaultHandlerForURLScheme(CFSTR("tg"), (CFStringRef)[[NSBundle mainBundle] bundleIdentifier]);
 	DEBUG_LOG(("App Info: set default handler for 'tg' scheme result: %1").arg(result));

Telegram/SourceFiles/platform/platform_specific.h

@@ -28,7 +28,7 @@ enum class SystemSettingsType {
 
 void SetWatchingMediaKeys(bool watching);
 void SetApplicationIcon(const QIcon &icon);
-void RegisterCustomScheme();
+void RegisterCustomScheme(bool force = false);
 PermissionStatus GetPermissionStatus(PermissionType type);
 void RequestPermission(PermissionType type, Fn<void(PermissionStatus)> resultCallback);
 void OpenSystemSettingsForPermission(PermissionType type);

Telegram/SourceFiles/platform/win/specific_win.cpp

@@ -404,7 +404,7 @@ namespace {
 
 namespace Platform {
 
-void RegisterCustomScheme() {
+void RegisterCustomScheme(bool force) {
 	if (cExeName().isEmpty()) {
 		return;
 	}

Telegram/SourceFiles/profile/profile_block_group_members.cpp

@@ -192,7 +192,7 @@ void GroupMembersWidget::refreshMembers() {
 		fillChatMembers(chat);
 	} else if (const auto megagroup = peer()->asMegagroup()) {
 		auto &megagroupInfo = megagroup->mgInfo;
-		if (megagroupInfo->lastParticipants.empty() || megagroup->lastParticipantsCountOutdated()) {
+		if (megagroup->lastParticipantsRequestNeeded()) {
 			Auth().api().requestLastParticipants(megagroup);
 		}
 		fillMegagroupMembers(megagroup);

Telegram/SourceFiles/settings/settings_codes.cpp

@@ -112,10 +112,12 @@ auto GenerateCodes() {
 			}
 		});
 	});
+#ifndef TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME
 	codes.emplace(qsl("registertg"), [](::Main::Session *session) {
-		Platform::RegisterCustomScheme();
+		Platform::RegisterCustomScheme(true);
 		Ui::Toast::Show("Forced custom scheme register.");
 	});
+#endif // !TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME
 	codes.emplace(qsl("export"), [](::Main::Session *session) {
 		session->data().startExport();
 	});

Telegram/SourceFiles/storage/localstorage.cpp

@@ -3167,7 +3167,7 @@ void writeFileLocation(MediaKey location, const FileLocation &local) {
 				return;
 			}
 			if (i.value().first != location) {
-				for (FileLocations::iterator j = _fileLocations.find(i.value().first), e = _fileLocations.end(); (j != e) && (j.key() == i.value().first);) {
+				for (FileLocations::iterator j = _fileLocations.find(i.value().first), e = _fileLocations.end(); (j != e) && (j.key() == i.value().first); ++j) {
 					if (j.value() == i.value().second) {
 						_fileLocations.erase(j);
 						break;
@@ -3682,7 +3682,21 @@ void _readStickerSets(FileKey &stickersKey, Stickers::Order *outOrder = nullptr,
 
 	// Read orders of installed and featured stickers.
 	if (outOrder) {
-		stickers.stream >> *outOrder;
+		auto outOrderCount = quint32();
+		stickers.stream >> outOrderCount;
+		if (!_checkStreamStatus(stickers.stream) || outOrderCount > 1000) {
+			return failed();
+		}
+		outOrder->reserve(outOrderCount);
+		for (auto i = 0; i != outOrderCount; ++i) {
+			auto value = uint64();
+			stickers.stream >> value;
+			if (!_checkStreamStatus(stickers.stream)) {
+				outOrder->clear();
+				return failed();
+			}
+			outOrder->push_back(value);
+		}
 	}
 	if (!_checkStreamStatus(stickers.stream)) {
 		return failed();

Telegram/SourceFiles/window/main_window.cpp

@@ -117,9 +117,9 @@ QIcon CreateOfficialIcon(Main::Account *account) {
 
 QIcon CreateIcon(Main::Account *account) {
 	auto result = CreateOfficialIcon(account);
-	if (Platform::IsLinux()) {
-		return QIcon::fromTheme("kotatogram", result);
-	}
+#ifdef Q_OS_LINUX
+	return QIcon::fromTheme(Platform::GetIconName(), result);
+#endif
 	return result;
 }
 

Telegram/build/version

@@ -1,7 +1,7 @@
-AppVersion         1009019
+AppVersion         1009020
 AppVersionStrMajor 1.9
-AppVersionStrSmall 1.9.19
-AppVersionStr      1.9.19
+AppVersionStrSmall 1.9.20
+AppVersionStr      1.9.20
 BetaChannel        1
 AlphaVersion       0
-AppVersionOriginal 1.9.19.beta
+AppVersionOriginal 1.9.20.beta

Telegram/cmake/telegram_options.cmake

@@ -7,8 +7,6 @@
 option(TDESKTOP_FORCE_GTK_FILE_DIALOG "Force using GTK file dialog (Linux only)." OFF)
 option(TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME "Disable automatic 'tg://' URL scheme handler registration." ${DESKTOP_APP_USE_PACKAGED})
 option(TDESKTOP_DISABLE_NETWORK_PROXY "Disable all code for working through Socks5 or MTProxy." OFF)
-option(TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION "Disable automatic '.desktop' file generation (Linux only)." ${DESKTOP_APP_USE_PACKAGED})
-option(TDESKTOP_DISABLE_GTK_INTEGRATION "Disable all code for GTK integration (Linux only)." ON)
 option(TDESKTOP_USE_PACKAGED_TGVOIP "Find libtgvoip using CMake instead of bundled one." ${DESKTOP_APP_USE_PACKAGED})
 option(TDESKTOP_API_TEST "Use test API credentials." OFF)
 set(TDESKTOP_API_ID "0" CACHE STRING "Provide 'api_id' for the Telegram API access.")
@@ -43,12 +41,12 @@ if (TDESKTOP_API_ID STREQUAL "0" OR TDESKTOP_API_HASH STREQUAL "")
     " ")
 endif()
 
-if (NOT DESKTOP_APP_SPECIAL_TARGET STREQUAL "")
+if (NOT DESKTOP_APP_USE_PACKAGED)
     set(TDESKTOP_FORCE_GTK_FILE_DIALOG ON)
 endif()
 
-if (TDESKTOP_FORCE_GTK_FILE_DIALOG)
-    set(TDESKTOP_DISABLE_GTK_INTEGRATION OFF)
+if (NOT TDESKTOP_FORCE_GTK_FILE_DIALOG)
+    set(TDESKTOP_DISABLE_GTK_INTEGRATION ON)
 endif()
 
 if (DESKTOP_APP_DISABLE_SPELLCHECK)
@@ -77,10 +75,6 @@ if (TDESKTOP_DISABLE_NETWORK_PROXY)
     target_compile_definitions(Telegram PRIVATE TDESKTOP_DISABLE_NETWORK_PROXY)
 endif()
 
-if (TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION)
-    target_compile_definitions(Telegram PRIVATE TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION)
-endif()
-
 if (TDESKTOP_DISABLE_GTK_INTEGRATION)
     target_compile_definitions(Telegram PRIVATE TDESKTOP_DISABLE_GTK_INTEGRATION)
 endif()

Telegram/lib_lottie

@@ -1 +1 @@
-Subproject commit 17b6a6d53252b3e3ff02b113e352c152bd697896
+Subproject commit 0f6c9f4acbdc2412a1a941b4ee96b150589b8369

Telegram/lib_spellcheck

@@ -1 +1 @@
-Subproject commit dbb92ddbef82988d426ef7a0ffa40a698cdc3fd3
+Subproject commit 25f44d99915101e7a832cb38bd9b2cee47508c94

changelog.txt

@@ -1,3 +1,9 @@
+1.9.20 beta (14.03.20)
+
+- Fix crash in shared links search.
+- Fix blurred thumbnails in albums with video files.
+- Fix a possible crash in animated stickers rendering.
+
 1.9.19 beta (25.02.20)
 
 - Bug fixes and other minor improvements.

cmake

@@ -1 +1 @@
-Subproject commit 81e27ccc0e7bf27405569ce98582860dfc9ea9bb
+Subproject commit 9280064cc8a5e8f8acc4cdda3a6a905379d3df0d

docs/building-cmake.md

@@ -1,4 +1,4 @@
-## Build instructions for GYP/CMake under Ubuntu 14.04
+## Build instructions for CMake under Ubuntu 14.04
 
 ### Prepare folder
 
@@ -17,7 +17,7 @@ You will need GCC 8 installed. To install them and all the required dependencies
     libgtk2.0-dev libice-dev libsm-dev libicu-dev libdrm-dev dh-autoreconf \
     autoconf automake build-essential libxml2-dev libass-dev libfreetype6-dev \
     libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev \
-    libvorbis-dev libenchant-dev libxcb1-dev libxcb-image0-dev libxcb-shm0-dev \
+    libvorbis-dev libxcb1-dev libxcb-image0-dev libxcb-shm0-dev \
     libxcb-xfixes0-dev libxcb-keysyms1-dev libxcb-icccm4-dev libatspi2.0-dev \
     libxcb-render-util0-dev libxcb-util0-dev libxcb-xkb-dev libxrender-dev \
     libasound-dev libpulse-dev libxcb-sync0-dev libxcb-randr0-dev libegl1-mesa-dev \
@@ -198,7 +198,7 @@ Go to ***BuildPath*** and run
 
     git clone git://repo.or.cz/openal-soft.git
     cd openal-soft
-    git checkout openal-soft-1.19.1
+    git checkout openal-soft-1.20.1
     cd build
     if [ `uname -p` == "i686" ]; then
     cmake -D LIBTYPE:STRING=STATIC -D ALSOFT_UTILS:BOOL=OFF ..
@@ -214,7 +214,7 @@ Go to ***BuildPath*** and run
     git checkout OpenSSL_1_1_1-stable
     ./config --prefix=/usr/local/desktop-app/openssl-1.1.1
     make $MAKE_THREADS_CNT
-    sudo make install
+    sudo make install_sw
     cd ..
 
     git clone https://github.com/xkbcommon/libxkbcommon.git

docs/building-msvc.md

@@ -18,7 +18,6 @@ You will require **api_id** and **api_hash** to access the Telegram API servers.
 
 ## Install third party software
 
-Strawberry
 * Download **Strawberry Perl** installer from [http://strawberryperl.com/](http://strawberryperl.com/) and install to ***BuildPath*\\ThirdParty\\Strawberry**
 * Download **NASM** installer from [http://www.nasm.us](http://www.nasm.us) and install to ***BuildPath*\\ThirdParty\\NASM**
 * Download **Yasm** executable from [http://yasm.tortall.net/Download.html](http://yasm.tortall.net/Download.html), rename to *yasm.exe* and put to ***BuildPath*\\ThirdParty\\yasm**

docs/building-qtcreator.md

@@ -30,7 +30,7 @@ By git – in Terminal go to **/home/user/TBuild** and run
 
 Install dev libraries
 
-    sudo apt-get install libexif-dev liblzma-dev libz-dev libssl-dev libappindicator-dev libunity-dev libenchant-dev
+    sudo apt-get install libexif-dev liblzma-dev libz-dev libssl-dev libappindicator-dev libunity-dev
 
 #### zlib 1.2.8
 

docs/building-xcode.md

@@ -1,4 +1,4 @@
-## Build instructions for Xcode 10.1
+## Build instructions for Xcode 11
 
 ### Prepare folder
 
@@ -8,18 +8,14 @@ Choose a folder for the future build, for example **/Users/user/TBuild**. It wil
 
 You will require **api_id** and **api_hash** to access the Telegram API servers. To learn how to obtain them [click here][api_credentials].
 
-### Download libraries
-
-Download [**xz-5.0.5**](http://tukaani.org/xz/xz-5.0.5.tar.gz) and unpack to ***BuildPath*/Libraries/macos/xz-5.0.5**
-
-Download [**libiconv-1.15**](http://www.gnu.org/software/libiconv/#downloading) and unpack to ***BuildPath*/Libraries/macos/libiconv-1.15**
-
 ### Clone source code and prepare libraries
 
 Go to ***BuildPath*** and run
 
     MAKE_THREADS_CNT=-j8
     MACOSX_DEPLOYMENT_TARGET=10.12
+    UNGUARDED="-Werror=unguarded-availability-new"
+    MIN_VER="-mmacosx-version-min=10.12"
 
     ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
     brew install automake cmake fdk-aac git lame libass libtool libvorbis libvpx ninja opus sdl shtool texi2html theora wget x264 xvid yasm pkg-config gnu-tar
@@ -45,24 +41,29 @@ Go to ***BuildPath*** and run
     sudo ./setup.py install
     cd ../..
 
+    mkdir -p Libraries/macos
     cd Libraries/macos
     LibrariesPath=`pwd`
 
     git clone https://github.com/desktop-app/patches.git
     cd patches
     git checkout 4f1cffb
-    cd ../
+    cd ..
     git clone --branch 0.10.0 https://github.com/ericniebler/range-v3
 
-    cd xz-5.0.5
-    CFLAGS="-mmacosx-version-min=10.12" LDFLAGS="-mmacosx-version-min=10.12" ./configure --prefix=/usr/local/macos
+    xz_ver=5.2.4
+    wget https://tukaani.org/xz/xz-$xz_ver.tar.gz
+    tar -xvzf xz-$xz_ver.tar.gz
+    rm xz-$xz_ver.tar.gz
+    cd xz-$xz_ver
+    CFLAGS="$MIN_VER" LDFLAGS="$MIN_VER" ./configure --prefix=/usr/local/macos
     make $MAKE_THREADS_CNT
     sudo make install
     cd ..
 
     git clone https://github.com/desktop-app/zlib.git
     cd zlib
-    CFLAGS="-mmacosx-version-min=10.12 -Werror=unguarded-availability-new" LDFLAGS="-mmacosx-version-min=10.12" ./configure --prefix=/usr/local/macos
+    CFLAGS="$MIN_VER $UNGUARDED" LDFLAGS="$MIN_VER" ./configure --prefix=/usr/local/macos
     make $MAKE_THREADS_CNT
     sudo make install
     cd ..
@@ -70,7 +71,7 @@ Go to ***BuildPath*** and run
     git clone https://github.com/openssl/openssl openssl_1_1_1
     cd openssl_1_1_1
     git checkout OpenSSL_1_1_1-stable
-    ./Configure --prefix=/usr/local/macos darwin64-x86_64-cc -static -mmacosx-version-min=10.12
+    ./Configure --prefix=/usr/local/macos darwin64-x86_64-cc -static $MIN_VER
     make build_libs $MAKE_THREADS_CNT
     cd ..
 
@@ -78,13 +79,17 @@ Go to ***BuildPath*** and run
     cd opus
     git checkout v1.3
     ./autogen.sh
-    CFLAGS="-mmacosx-version-min=10.12 -Werror=unguarded-availability-new" CPPFLAGS="-mmacosx-version-min=10.12 -Werror=unguarded-availability-new" LDFLAGS="-mmacosx-version-min=10.12" ./configure --prefix=/usr/local/macos
+    CFLAGS="$MIN_VER $UNGUARDED" CPPFLAGS="$MIN_VER $UNGUARDED" LDFLAGS="$MIN_VER" ./configure --prefix=/usr/local/macos
     make $MAKE_THREADS_CNT
     sudo make install
     cd ..
 
-    cd libiconv-1.15
-    CFLAGS="-mmacosx-version-min=10.12 -Werror=unguarded-availability-new" CPPFLAGS="-mmacosx-version-min=10.12 -Werror=unguarded-availability-new" LDFLAGS="-mmacosx-version-min=10.12" ./configure --enable-static --prefix=/usr/local/macos
+    libiconv_ver=1.16
+    wget https://ftp.gnu.org/pub/gnu/libiconv/libiconv-$libiconv_ver.tar.gz
+    tar -xvzf libiconv-$libiconv_ver.tar.gz
+    rm libiconv-$libiconv_ver.tar.gz
+    cd libiconv-$libiconv_ver
+    CFLAGS="$MIN_VER $UNGUARDED" CPPFLAGS="$MIN_VER $UNGUARDED" LDFLAGS="$MIN_VER" ./configure --enable-static --prefix=/usr/local/macos
     make $MAKE_THREADS_CNT
     sudo make install
     cd ..
@@ -97,9 +102,9 @@ Go to ***BuildPath*** and run
     PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig:/usr/lib/pkgconfig:/usr/X11/lib/pkgconfig
 
     ./configure --prefix=/usr/local/macos \
-    --extra-cflags="-mmacosx-version-min=10.12 -Werror=unguarded-availability-new" \
-    --extra-cxxflags="-mmacosx-version-min=10.12 -Werror=unguarded-availability-new" \
-    --extra-ldflags="-mmacosx-version-min=10.12" \
+    --extra-cflags="$MIN_VER $UNGUARDED" \
+    --extra-cxxflags="$MIN_VER $UNGUARDED" \
+    --extra-ldflags="$MIN_VER" \
     --enable-protocol=file --enable-libopus \
     --disable-programs \
     --disable-doc \
@@ -205,7 +210,7 @@ Go to ***BuildPath*** and run
     cd openal-soft
     git checkout v1.19
     cd build
-    CFLAGS='-Werror=unguarded-availability-new' CPPFLAGS='-Werror=unguarded-availability-new' cmake -D CMAKE_INSTALL_PREFIX:PATH=/usr/local/macos -D ALSOFT_EXAMPLES=OFF -D LIBTYPE:STRING=STATIC -D CMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.12 ..
+    CFLAGS=$UNGUARDED CPPFLAGS=$UNGUARDED cmake -D CMAKE_INSTALL_PREFIX:PATH=/usr/local/macos -D ALSOFT_EXAMPLES=OFF -D LIBTYPE:STRING=STATIC -D CMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.12 ..
     make $MAKE_THREADS_CNT
     sudo make install
     cd ../..
@@ -241,7 +246,19 @@ Go to ***BuildPath*** and run
     git apply ../../patches/qtbase_5_12_5.diff
     cd ..
 
-    ./configure -prefix "/usr/local/desktop-app/Qt-5.12.5" -debug-and-release -force-debug-info -opensource -confirm-license -static -opengl desktop -no-openssl -securetransport -nomake examples -nomake tests -platform macx-clang
+    ./configure -prefix "/usr/local/desktop-app/Qt-5.12.5" \
+    -debug-and-release \
+    -force-debug-info \
+    -opensource \
+    -confirm-license \
+    -static \
+    -opengl desktop \
+    -no-openssl \
+    -securetransport \
+    -nomake examples \
+    -nomake tests \
+    -platform macx-clang
+
     make $MAKE_THREADS_CNT
     sudo make install
     cd ..

lib/xdg/kotatogramdesktop.appdata.xml.in

@@ -20,7 +20,7 @@
     <url type="help">https://github.com/kotatogram/kotatogram-desktop/issues</url>
     <screenshots>
       <screenshot type="default">
-        <image>https://raw.githubusercontent.com/telegramdesktop/tdesktop/dev/docs/assets/preview.png</image>
+        <image>https://github.com/kotatogram/kotatogram-desktop/blob/dev/docs/assets/ktg_preview.png</image>
       </screenshot>
     </screenshots>
     <keywords>
@@ -98,6 +98,7 @@
         <content_attribute id="money-purchasing">none</content_attribute>
         <content_attribute id="money-gambling">none</content_attribute>
     </content_rating>
+    <launchable type="desktop-id">@TDESKTOP_LAUNCHER_BASENAME@.desktop</launchable>
     <provides>
         <binary>kotatogram-desktop</binary>
     </provides>

snap/snapcraft.yaml

@@ -6,6 +6,13 @@ base: core18
 grade: stable
 confinement: strict
 
+architectures:
+  - build-on: amd64
+  - build-on: i386
+  - build-on: arm64
+  - build-on: armhf
+  - build-on: ppc64el
+
 apps:
   kotatogram-desktop:
     command: bin/desktop-launch kotatogram-desktop
@@ -14,9 +21,12 @@ apps:
     environment:
       # Use GTK3 cursor theme, icon theme and open/save file dialogs.
       QT_QPA_PLATFORMTHEME: gtk3
-      # Wayland support is still too bad.
+      # The blocker is https://github.com/ubuntu/snapcraft-desktop-helpers/issues/172
       DISABLE_WAYLAND: 1
     plugs:
+      - alsa
+      - audio-playback
+      - audio-record
       - desktop
       - desktop-legacy
       - home
@@ -44,6 +54,10 @@ plugs:
     target: $SNAP/data-dir/sounds
     default-provider: gtk-common-themes
 
+layout:
+  /usr/share/alsa:
+    bind: $SNAP/usr/share/alsa
+
 parts:
   kotatogram:
     plugin: cmake
@@ -56,17 +70,11 @@ parts:
       - qtbase5-private-dev
       - libmapbox-variant-dev
       - libasound2-dev
-      - libavcodec-dev
-      - libavformat-dev
-      - libavutil-dev
-      - libswscale-dev
-      - libswresample-dev
       - libdbusmenu-qt5-dev
       - libhunspell-dev
       - liblz4-dev
       - liblzma-dev
       - libminizip-dev
-      - libopenal-dev
       - libopus-dev
       - libpulse-dev
       - libssl-dev
@@ -74,17 +82,11 @@ parts:
     stage-packages:
       - qt5-image-formats-plugins
       - libasound2
-      - libavcodec57
-      - libavformat57
-      - libavutil55
-      - libswscale4
-      - libswresample2
       - libdbusmenu-qt5-2
       - libhunspell-1.6-0
       - liblz4-1
       - liblzma5
       - libminizip1
-      - libopenal1
       - libopus0
       - libpulse0
       - libssl1.1
@@ -119,9 +121,16 @@ parts:
     after:
       - cmake
       - desktop-qt5
+      - ffmpeg
+      - openal
       - range-v3
       - xxhash
 
+  patches:
+    plugin: dump
+    source: Telegram/Patches
+    prime: [-./*]
+
   desktop-qt5:
     source: https://github.com/ubuntu/snapcraft-desktop-helpers.git
     source-subdir: qt
@@ -176,6 +185,138 @@ parts:
       - libtinfo5
     prime: [-./*]
 
+  ffmpeg:
+    source: https://github.com/FFmpeg/FFmpeg.git
+    source-depth: 1
+    source-branch: release/4.2
+    plugin: autotools
+    build-packages:
+      - libtool
+      - pkg-config
+      - texi2html
+      - yasm
+      - libass-dev
+      - libfreetype6-dev
+      - libgpac-dev
+      - liblzma-dev
+      - libopus-dev
+      - libsdl1.2-dev
+      - libtheora-dev
+      - libva-dev
+      - libvdpau-dev
+      - libvorbis-dev
+      - libxcb1-dev
+      - libxcb-shm0-dev
+      - libxcb-xfixes0-dev
+      - zlib1g-dev
+    stage-packages:
+      - freeglut3
+      - libass9
+      - libfreetype6
+      - libgpac4
+      - liblzma5
+      - libopus0
+      - libslang2
+      - libsdl1.2debian
+      - libtheora0
+      - libva2
+      - libva-drm2
+      - libvdpau1
+      - libvorbis0a
+      - libxcb1
+      - libxcb-shm0
+      - libxcb-xfixes0
+      - zlib1g
+    configflags:
+      - --prefix=/usr
+      - --disable-debug
+      - --disable-programs
+      - --disable-doc
+      - --disable-everything
+      - --disable-neon
+      - --enable-gpl
+      - --enable-version3
+      - --enable-libopus
+      - --enable-decoder=aac
+      - --enable-decoder=aac_latm
+      - --enable-decoder=aasc
+      - --enable-decoder=flac
+      - --enable-decoder=gif
+      - --enable-decoder=h264
+      - --enable-decoder=h264_vdpau
+      - --enable-decoder=mp1
+      - --enable-decoder=mp1float
+      - --enable-decoder=mp2
+      - --enable-decoder=mp2float
+      - --enable-decoder=mp3
+      - --enable-decoder=mp3adu
+      - --enable-decoder=mp3adufloat
+      - --enable-decoder=mp3float
+      - --enable-decoder=mp3on4
+      - --enable-decoder=mp3on4float
+      - --enable-decoder=mpeg4
+      - --enable-decoder=mpeg4_vdpau
+      - --enable-decoder=msmpeg4v2
+      - --enable-decoder=msmpeg4v3
+      - --enable-decoder=opus
+      - --enable-decoder=vorbis
+      - --enable-decoder=wavpack
+      - --enable-decoder=wmalossless
+      - --enable-decoder=wmapro
+      - --enable-decoder=wmav1
+      - --enable-decoder=wmav2
+      - --enable-decoder=wmavoice
+      - --enable-encoder=libopus
+      - --enable-hwaccel=h264_vaapi
+      - --enable-hwaccel=h264_vdpau
+      - --enable-hwaccel=mpeg4_vaapi
+      - --enable-hwaccel=mpeg4_vdpau
+      - --enable-parser=aac
+      - --enable-parser=aac_latm
+      - --enable-parser=flac
+      - --enable-parser=h264
+      - --enable-parser=mpeg4video
+      - --enable-parser=mpegaudio
+      - --enable-parser=opus
+      - --enable-parser=vorbis
+      - --enable-demuxer=aac
+      - --enable-demuxer=flac
+      - --enable-demuxer=gif
+      - --enable-demuxer=h264
+      - --enable-demuxer=mov
+      - --enable-demuxer=mp3
+      - --enable-demuxer=ogg
+      - --enable-demuxer=wav
+      - --enable-muxer=ogg
+      - --enable-muxer=opus
+    override-pull: |
+      snapcraftctl pull
+      patch -p1 < "$SNAPCRAFT_STAGE/ffmpeg.diff"
+    after:
+      - patches
+
+  openal:
+    source: https://github.com/kcat/openal-soft.git
+    source-depth: 1
+    source-tag: openal-soft-1.20.1
+    plugin: cmake
+    build-packages:
+      - libasound2-dev
+      - libpulse-dev
+      - libsndio-dev
+      - portaudio19-dev
+    stage-packages:
+      - libasound2
+      - libpulse0
+      - libportaudio2
+      - libsndio6.1
+    configflags:
+      - -DCMAKE_BUILD_TYPE=Release
+      - -DALSOFT_EXAMPLES=OFF
+      - -DALSOFT_TESTS=OFF
+      - -DALSOFT_UTILS=OFF
+      - -DALSOFT_CONFIG=OFF
+
   range-v3:
     source: https://github.com/ericniebler/range-v3.git
     source-depth: 1