From ef633ec5039773a024eb3284a326f196a9e91ddf Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 13 Sep 2021 20:04:48 +0300
Subject: [PATCH] Fix PathShiftGradient colors with custom palettes.

---
 ui/effects/path_shift_gradient.cpp | 9 +++++++--
 ui/effects/path_shift_gradient.h   | 3 ++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/ui/effects/path_shift_gradient.cpp b/ui/effects/path_shift_gradient.cpp
index 7e7c4cb..b8037b1 100644
--- a/ui/effects/path_shift_gradient.cpp
+++ b/ui/effects/path_shift_gradient.cpp
@@ -29,12 +29,17 @@ std::weak_ptr<PathShiftGradient::AnimationData> PathShiftGradient::Animation;
 PathShiftGradient::PathShiftGradient(
 	const style::color &bg,
 	const style::color &fg,
-	Fn<void()> animationCallback)
+	Fn<void()> animationCallback,
+	rpl::producer<> paletteUpdated)
 : _bg(bg)
 , _fg(fg)
 , _animationCallback(std::move(animationCallback)) {
 	refreshColors();
-	style::PaletteChanged(
+	if (!paletteUpdated) {
+		paletteUpdated = style::PaletteChanged();
+	}
+	std::move(
+		paletteUpdated
 	) | rpl::start_with_next([=] {
 		refreshColors();
 	}, _lifetime);
diff --git a/ui/effects/path_shift_gradient.h b/ui/effects/path_shift_gradient.h
index db44ba3..f92aa13 100644
--- a/ui/effects/path_shift_gradient.h
+++ b/ui/effects/path_shift_gradient.h
@@ -17,7 +17,8 @@ public:
 	PathShiftGradient(
 		const style::color &bg,
 		const style::color &fg,
-		Fn<void()> animationCallback);
+		Fn<void()> animationCallback,
+		rpl::producer<> paletteUpdated = nullptr);
 	~PathShiftGradient();
 
 	void startFrame(