From fcb2950ce82b5027a60223b59ed9a3893004bf9d Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Tue, 24 Sep 2019 09:53:35 +0300
Subject: [PATCH] Use slide animation from lib_ui.

---
 .../ui/effects/slide_animation.cpp            | 53 ------------------
 .../SourceFiles/ui/effects/slide_animation.h  | 55 -------------------
 Telegram/gyp/telegram/sources.txt             |  2 -
 Telegram/lib_ui                               |  2 +-
 4 files changed, 1 insertion(+), 111 deletions(-)
 delete mode 100644 Telegram/SourceFiles/ui/effects/slide_animation.cpp
 delete mode 100644 Telegram/SourceFiles/ui/effects/slide_animation.h

diff --git a/Telegram/SourceFiles/ui/effects/slide_animation.cpp b/Telegram/SourceFiles/ui/effects/slide_animation.cpp
deleted file mode 100644
index 1dd099d75f..0000000000
--- a/Telegram/SourceFiles/ui/effects/slide_animation.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
-This file is part of Telegram Desktop,
-the official desktop application for the Telegram messaging service.
-
-For license and copyright information please follow this link:
-https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
-*/
-#include "ui/effects/slide_animation.h"
-
-namespace Ui {
-
-void SlideAnimation::setSnapshots(QPixmap leftSnapshot, QPixmap rightSnapshot) {
-	_leftSnapshot = std::move(leftSnapshot);
-	_rightSnapshot = std::move(rightSnapshot);
-	Assert(!_leftSnapshot.isNull());
-	Assert(!_rightSnapshot.isNull());
-	_leftSnapshot.setDevicePixelRatio(cRetinaFactor());
-	_rightSnapshot.setDevicePixelRatio(cRetinaFactor());
-}
-
-void SlideAnimation::paintFrame(Painter &p, int x, int y, int outerWidth) {
-	auto dt = _animation.value(1.);
-	if (!animating()) return;
-
-	auto easeOut = anim::easeOutCirc(1., dt);
-	auto easeIn = anim::easeInCirc(1., dt);
-	auto arrivingAlpha = easeIn;
-	auto departingAlpha = 1. - easeOut;
-	auto leftCoord = (_slideLeft ? anim::interpolate(-_leftSnapshotWidth, 0, easeOut) : anim::interpolate(0, -_leftSnapshotWidth, easeIn));
-	auto leftAlpha = (_slideLeft ? arrivingAlpha : departingAlpha);
-	auto rightCoord = (_slideLeft ? anim::interpolate(0, _rightSnapshotWidth, easeIn) : anim::interpolate(_rightSnapshotWidth, 0, easeOut));
-	auto rightAlpha = (_slideLeft ? departingAlpha : arrivingAlpha);
-
-	if (_overflowHidden) {
-		auto leftWidth = (_leftSnapshotWidth + leftCoord);
-		if (leftWidth > 0) {
-			p.setOpacity(leftAlpha);
-			p.drawPixmap(x, y, leftWidth, _leftSnapshotHeight, _leftSnapshot, (_leftSnapshot.width() - leftWidth * cIntRetinaFactor()), 0, leftWidth * cIntRetinaFactor(), _leftSnapshot.height());
-		}
-		auto rightWidth = _rightSnapshotWidth - rightCoord;
-		if (rightWidth > 0) {
-			p.setOpacity(rightAlpha);
-			p.drawPixmap(x + rightCoord, y, _rightSnapshot, 0, 0, rightWidth * cIntRetinaFactor(), _rightSnapshot.height());
-		}
-	} else {
-		p.setOpacity(leftAlpha);
-		p.drawPixmap(x + leftCoord, y, _leftSnapshot);
-		p.setOpacity(rightAlpha);
-		p.drawPixmap(x + rightCoord, y, _rightSnapshot);
-	}
-}
-
-} // namespace Ui
diff --git a/Telegram/SourceFiles/ui/effects/slide_animation.h b/Telegram/SourceFiles/ui/effects/slide_animation.h
deleted file mode 100644
index 055434fcaf..0000000000
--- a/Telegram/SourceFiles/ui/effects/slide_animation.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
-This file is part of Telegram Desktop,
-the official desktop application for the Telegram messaging service.
-
-For license and copyright information please follow this link:
-https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
-*/
-#pragma once
-
-#include "ui/effects/animations.h"
-
-namespace Ui {
-
-class SlideAnimation {
-public:
-	void setSnapshots(QPixmap leftSnapshot, QPixmap rightSnapshot);
-
-	void setOverflowHidden(bool hidden) {
-		_overflowHidden = hidden;
-	}
-
-	template <typename Lambda>
-	void start(bool slideLeft, Lambda &&updateCallback, float64 duration);
-
-	void paintFrame(Painter &p, int x, int y, int outerWidth);
-
-	bool animating() const {
-		return _animation.animating();
-	}
-
-private:
-	Ui::Animations::Simple _animation;
-	QPixmap _leftSnapshot;
-	QPixmap _rightSnapshot;
-	bool _slideLeft = false;
-	bool _overflowHidden = true;
-	int _leftSnapshotWidth = 0;
-	int _leftSnapshotHeight = 0;
-	int _rightSnapshotWidth = 0;
-
-};
-
-template <typename Lambda>
-void SlideAnimation::start(bool slideLeft, Lambda &&updateCallback, float64 duration) {
-	_slideLeft = slideLeft;
-	if (_slideLeft) {
-		std::swap(_leftSnapshot, _rightSnapshot);
-	}
-	_leftSnapshotWidth = _leftSnapshot.width() / cIntRetinaFactor();
-	_leftSnapshotHeight = _leftSnapshot.height() / cIntRetinaFactor();
-	_rightSnapshotWidth = _rightSnapshot.width() / cIntRetinaFactor();
-	_animation.start(std::forward<Lambda>(updateCallback), 0., 1., duration);
-}
-
-} // namespace Ui
diff --git a/Telegram/gyp/telegram/sources.txt b/Telegram/gyp/telegram/sources.txt
index e8017f382a..79e7a42b1f 100644
--- a/Telegram/gyp/telegram/sources.txt
+++ b/Telegram/gyp/telegram/sources.txt
@@ -728,8 +728,6 @@
 <(src_loc)/ui/effects/round_checkbox.h
 <(src_loc)/ui/effects/send_action_animations.cpp
 <(src_loc)/ui/effects/send_action_animations.h
-<(src_loc)/ui/effects/slide_animation.cpp
-<(src_loc)/ui/effects/slide_animation.h
 <(src_loc)/ui/image/image.cpp
 <(src_loc)/ui/image/image.h
 <(src_loc)/ui/image/image_location.cpp
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index 00393b7b3b..f7c3e22cc9 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit 00393b7b3ba113a216d3704d47e0ca1cb97d0e6e
+Subproject commit f7c3e22cc9d51e4bce0fe82e9eaa10cedc7bf5d5