483 lines
13 KiB
C++
483 lines
13 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "platform/linux/specific_linux.h"
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#include "platform/linux/linux_libs.h"
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#include "lang/lang_keys.h"
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#include "mainwidget.h"
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#include "mainwindow.h"
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#include "platform/linux/linux_desktop_environment.h"
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#include "platform/linux/file_utilities_linux.h"
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#include "platform/platform_notifications_manager.h"
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#include "storage/localstorage.h"
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#include "core/crash_reports.h"
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#include "core/update_checker.h"
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <cstdlib>
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#include <unistd.h>
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#include <dirent.h>
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#include <pwd.h>
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#include <iostream>
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#include <QProcess>
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#include <QVersionNumber>
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#include <qpa/qplatformnativeinterface.h>
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using namespace Platform;
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using Platform::File::internal::EscapeShell;
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namespace {
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bool RunShellCommand(const QByteArray &command) {
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auto result = system(command.constData());
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if (result) {
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DEBUG_LOG(("App Error: command failed, code: %1, command (in utf8): %2").arg(result).arg(command.constData()));
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return false;
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}
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DEBUG_LOG(("App Info: command succeeded, command (in utf8): %1").arg(command.constData()));
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return true;
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}
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void FallbackFontConfig() {
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#ifndef TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION
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const auto custom = cWorkingDir() + "tdata/fc-custom-1.conf";
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const auto finish = gsl::finally([&] {
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if (QFile(custom).exists()) {
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LOG(("Custom FONTCONFIG_FILE: ") + custom);
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qputenv("FONTCONFIG_FILE", QFile::encodeName(custom));
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}
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});
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QProcess process;
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process.setProcessChannelMode(QProcess::MergedChannels);
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process.start("fc-list", QStringList() << "--version");
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process.waitForFinished();
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if (process.exitCode() > 0) {
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LOG(("App Error: Could not start fc-list. Process exited with code: %1.").arg(process.exitCode()));
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return;
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}
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QString result(process.readAllStandardOutput());
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DEBUG_LOG(("Fontconfig version string: ") + result);
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QVersionNumber version = QVersionNumber::fromString(result.split("version ").last());
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if (version.isNull()) {
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LOG(("App Error: Could not get version from fc-list output."));
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return;
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}
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LOG(("Fontconfig version: %1.").arg(version.toString()));
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if (version < QVersionNumber::fromString("2.13")) {
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if (qgetenv("TDESKTOP_FORCE_CUSTOM_FONTCONFIG").isEmpty()) {
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return;
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}
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}
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QFile(":/fc/fc-custom.conf").copy(custom);
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#endif // TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION
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}
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} // namespace
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namespace Platform {
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bool IsApplicationActive() {
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return QApplication::activeWindow() != nullptr;
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}
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void SetApplicationIcon(const QIcon &icon) {
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QApplication::setWindowIcon(icon);
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}
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QString CurrentExecutablePath(int argc, char *argv[]) {
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constexpr auto kMaxPath = 1024;
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char result[kMaxPath] = { 0 };
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auto count = readlink("/proc/self/exe", result, kMaxPath);
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if (count > 0) {
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auto filename = QFile::decodeName(result);
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auto deletedPostfix = qstr(" (deleted)");
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if (filename.endsWith(deletedPostfix) && !QFileInfo(filename).exists()) {
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filename.chop(deletedPostfix.size());
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}
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return filename;
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}
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// Fallback to the first command line argument.
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return argc ? QFile::decodeName(argv[0]) : QString();
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}
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} // namespace Platform
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namespace {
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QRect _monitorRect;
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auto _monitorLastGot = 0LL;
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} // namespace
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QRect psDesktopRect() {
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auto tnow = crl::now();
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if (tnow > _monitorLastGot + 1000LL || tnow < _monitorLastGot) {
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_monitorLastGot = tnow;
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_monitorRect = QApplication::desktop()->availableGeometry(App::wnd());
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}
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return _monitorRect;
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}
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void psShowOverAll(QWidget *w, bool canFocus) {
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}
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void psBringToBack(QWidget *w) {
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}
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void psWriteDump() {
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}
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bool _removeDirectory(const QString &path) { // from http://stackoverflow.com/questions/2256945/removing-a-non-empty-directory-programmatically-in-c-or-c
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QByteArray pathRaw = QFile::encodeName(path);
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DIR *d = opendir(pathRaw.constData());
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if (!d) return false;
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while (struct dirent *p = readdir(d)) {
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/* Skip the names "." and ".." as we don't want to recurse on them. */
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if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, "..")) continue;
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QString fname = path + '/' + p->d_name;
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QByteArray fnameRaw = QFile::encodeName(fname);
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struct stat statbuf;
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if (!stat(fnameRaw.constData(), &statbuf)) {
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if (S_ISDIR(statbuf.st_mode)) {
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if (!_removeDirectory(fname)) {
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closedir(d);
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return false;
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}
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} else {
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if (unlink(fnameRaw.constData())) {
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closedir(d);
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return false;
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}
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}
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}
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}
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closedir(d);
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return !rmdir(pathRaw.constData());
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}
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void psDeleteDir(const QString &dir) {
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_removeDirectory(dir);
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}
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void psActivateProcess(uint64 pid) {
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// objc_activateProgram();
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}
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namespace {
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QString getHomeDir() {
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auto home = QDir::homePath();
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if (home != QDir::rootPath())
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return home + '/';
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struct passwd *pw = getpwuid(getuid());
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return (pw && pw->pw_dir && strlen(pw->pw_dir)) ? (QFile::decodeName(pw->pw_dir) + '/') : QString();
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}
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} // namespace
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QString psAppDataPath() {
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// Previously we used ~/.TelegramDesktop, so look there first.
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// If we find data there, we should still use it.
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auto home = getHomeDir();
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if (!home.isEmpty()) {
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auto oldPath = home + qsl(".TelegramDesktop/");
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auto oldSettingsBase = oldPath + qsl("tdata/settings");
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if (QFile(oldSettingsBase + '0').exists() || QFile(oldSettingsBase + '1').exists()) {
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return oldPath;
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}
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}
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return QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation) + '/';
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}
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void psDoCleanup() {
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try {
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psAutoStart(false, true);
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psSendToMenu(false, true);
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} catch (...) {
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}
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}
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int psCleanup() {
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psDoCleanup();
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return 0;
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}
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void psDoFixPrevious() {
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}
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int psFixPrevious() {
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psDoFixPrevious();
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return 0;
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}
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namespace Platform {
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void start() {
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FallbackFontConfig();
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}
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void finish() {
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Notifications::Finish();
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}
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bool TranslucentWindowsSupported(QPoint globalPosition) {
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if (const auto native = QGuiApplication::platformNativeInterface()) {
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if (const auto desktop = QApplication::desktop()) {
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const auto index = desktop->screenNumber(globalPosition);
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const auto screens = QGuiApplication::screens();
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if (const auto screen = (index >= 0 && index < screens.size()) ? screens[index] : QGuiApplication::primaryScreen()) {
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if (native->nativeResourceForScreen(QByteArray("compositingEnabled"), screen)) {
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return true;
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}
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static auto WarnedAbout = base::flat_set<int>();
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if (!WarnedAbout.contains(index)) {
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WarnedAbout.insert(index);
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LOG(("WARNING: Compositing is disabled for screen index %1 (for position %2,%3)").arg(index).arg(globalPosition.x()).arg(globalPosition.y()));
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}
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} else {
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LOG(("WARNING: Could not get screen for index %1 (for position %2,%3)").arg(index).arg(globalPosition.x()).arg(globalPosition.y()));
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}
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}
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}
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return false;
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}
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void RegisterCustomScheme() {
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#ifndef TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME
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auto home = getHomeDir();
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if (home.isEmpty() || cAlphaVersion() || cExeName().isEmpty()) return; // don't update desktop file for alpha version
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if (Core::UpdaterDisabled())
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return;
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#ifndef TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION
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DEBUG_LOG(("App Info: placing .desktop file"));
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if (QDir(home + qsl(".local/")).exists()) {
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QString apps = home + qsl(".local/share/applications/");
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QString icons = home + qsl(".local/share/icons/");
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if (!QDir(apps).exists()) QDir().mkpath(apps);
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if (!QDir(icons).exists()) QDir().mkpath(icons);
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QString path = cWorkingDir() + qsl("tdata/"), file = path + qsl("telegramdesktop.desktop");
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QDir().mkpath(path);
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QFile f(file);
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if (f.open(QIODevice::WriteOnly)) {
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QString icon = icons + qsl("telegram.png");
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auto iconExists = QFile(icon).exists();
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if (Local::oldSettingsVersion() < 10021 && iconExists) {
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// Icon was changed.
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if (QFile(icon).remove()) {
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iconExists = false;
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}
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}
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if (!iconExists) {
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if (QFile(qsl(":/gui/art/logo_256.png")).copy(icon)) {
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DEBUG_LOG(("App Info: Icon copied to 'tdata'"));
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}
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}
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QTextStream s(&f);
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s.setCodec("UTF-8");
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s << "[Desktop Entry]\n";
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s << "Version=1.0\n";
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s << "Name=Telegram Desktop\n";
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s << "Comment=Official desktop application for the Telegram messaging service\n";
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s << "TryExec=" << EscapeShell(QFile::encodeName(cExeDir() + cExeName())) << "\n";
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s << "Exec=" << EscapeShell(QFile::encodeName(cExeDir() + cExeName())) << " -- %u\n";
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s << "Icon=telegram\n";
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s << "Terminal=false\n";
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s << "StartupWMClass=TelegramDesktop\n";
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s << "Type=Application\n";
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s << "Categories=Network;InstantMessaging;Qt;\n";
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s << "MimeType=x-scheme-handler/tg;\n";
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s << "Keywords=tg;chat;im;messaging;messenger;sms;tdesktop;\n";
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s << "X-GNOME-UsesNotifications=true\n";
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f.close();
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if (RunShellCommand("desktop-file-install --dir=" + EscapeShell(QFile::encodeName(home + qsl(".local/share/applications"))) + " --delete-original " + EscapeShell(QFile::encodeName(file)))) {
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DEBUG_LOG(("App Info: removing old .desktop file"));
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QFile(qsl("%1.local/share/applications/telegram.desktop").arg(home)).remove();
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RunShellCommand("update-desktop-database " + EscapeShell(QFile::encodeName(home + qsl(".local/share/applications"))));
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RunShellCommand("xdg-mime default telegramdesktop.desktop x-scheme-handler/tg");
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}
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} else {
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LOG(("App Error: Could not open '%1' for write").arg(file));
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}
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}
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#endif // !TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION
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DEBUG_LOG(("App Info: registerting for Gnome"));
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if (RunShellCommand("gconftool-2 -t string -s /desktop/gnome/url-handlers/tg/command " + EscapeShell(EscapeShell(QFile::encodeName(cExeDir() + cExeName())) + " -- %s"))) {
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RunShellCommand("gconftool-2 -t bool -s /desktop/gnome/url-handlers/tg/needs_terminal false");
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RunShellCommand("gconftool-2 -t bool -s /desktop/gnome/url-handlers/tg/enabled true");
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}
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DEBUG_LOG(("App Info: placing .protocol file"));
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QString services;
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if (QDir(home + qsl(".kde4/")).exists()) {
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services = home + qsl(".kde4/share/kde4/services/");
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} else if (QDir(home + qsl(".kde/")).exists()) {
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services = home + qsl(".kde/share/kde4/services/");
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}
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if (!services.isEmpty()) {
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if (!QDir(services).exists()) QDir().mkpath(services);
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QString path = services, file = path + qsl("tg.protocol");
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QFile f(file);
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if (f.open(QIODevice::WriteOnly)) {
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QTextStream s(&f);
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s.setCodec("UTF-8");
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s << "[Protocol]\n";
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s << "exec=" << QFile::decodeName(EscapeShell(QFile::encodeName(cExeDir() + cExeName()))) << " -- %u\n";
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s << "protocol=tg\n";
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s << "input=none\n";
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s << "output=none\n";
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s << "helper=true\n";
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s << "listing=false\n";
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s << "reading=false\n";
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s << "writing=false\n";
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s << "makedir=false\n";
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s << "deleting=false\n";
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f.close();
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} else {
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LOG(("App Error: Could not open '%1' for write").arg(file));
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}
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}
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#endif // !TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME
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}
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PermissionStatus GetPermissionStatus(PermissionType type) {
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return PermissionStatus::Granted;
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}
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void RequestPermission(PermissionType type, Fn<void(PermissionStatus)> resultCallback) {
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resultCallback(PermissionStatus::Granted);
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}
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void OpenSystemSettingsForPermission(PermissionType type) {
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}
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bool OpenSystemSettings(SystemSettingsType type) {
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if (type == SystemSettingsType::Audio) {
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auto options = std::vector<QString>();
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const auto add = [&](const char *option) {
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options.emplace_back(option);
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};
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if (DesktopEnvironment::IsUnity()) {
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add("unity-control-center sound");
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} else if (DesktopEnvironment::IsKDE()) {
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add("kcmshell5 kcm_pulseaudio");
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add("kcmshell4 phonon");
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} else if (DesktopEnvironment::IsGnome()) {
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add("gnome-control-center sound");
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}
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add("pavucontrol");
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add("alsamixergui");
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return ranges::find_if(options, [](const QString &command) {
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return QProcess::startDetached(command);
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}) != end(options);
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}
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return true;
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}
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namespace ThirdParty {
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void start() {
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Libs::start();
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MainWindow::LibsLoaded();
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}
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void finish() {
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}
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} // namespace ThirdParty
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} // namespace Platform
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void psNewVersion() {
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Platform::RegisterCustomScheme();
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}
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bool psShowOpenWithMenu(int x, int y, const QString &file) {
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return false;
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}
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void psAutoStart(bool start, bool silent) {
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}
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void psSendToMenu(bool send, bool silent) {
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}
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void psUpdateOverlayed(QWidget *widget) {
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}
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bool linuxMoveFile(const char *from, const char *to) {
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FILE *ffrom = fopen(from, "rb"), *fto = fopen(to, "wb");
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if (!ffrom) {
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if (fto) fclose(fto);
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return false;
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}
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if (!fto) {
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fclose(ffrom);
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return false;
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}
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static const int BufSize = 65536;
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char buf[BufSize];
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while (size_t size = fread(buf, 1, BufSize, ffrom)) {
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fwrite(buf, 1, size, fto);
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}
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struct stat fst; // from http://stackoverflow.com/questions/5486774/keeping-fileowner-and-permissions-after-copying-file-in-c
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//let's say this wont fail since you already worked OK on that fp
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if (fstat(fileno(ffrom), &fst) != 0) {
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fclose(ffrom);
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fclose(fto);
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return false;
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}
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//update to the same uid/gid
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if (fchown(fileno(fto), fst.st_uid, fst.st_gid) != 0) {
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fclose(ffrom);
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fclose(fto);
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return false;
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}
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//update the permissions
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if (fchmod(fileno(fto), fst.st_mode) != 0) {
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fclose(ffrom);
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fclose(fto);
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return false;
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}
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fclose(ffrom);
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fclose(fto);
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if (unlink(from)) {
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return false;
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}
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return true;
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}
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bool psLaunchMaps(const Data::LocationPoint &point) {
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return false;
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}
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