Toggle fullscreen by double click.

Telegram/SourceFiles/calls/calls.style

@@ -268,59 +268,65 @@ callTitle: WindowTitle(defaultWindowTitle) {
 	fgActive: transparent;
 	minimize: IconButton(windowTitleButton) {
 		icon: icon {
-			{ size(24px, 21px), callBgOpaque },
+			{ size(24px, 21px), callBgButton },
 			{ "title_button_minimize", callStatusFg, point(4px, 4px) },
 		};
 		iconOver: icon {
+			{ size(24px, 21px), callBgButton },
 			{ size(24px, 21px), callMuteRipple },
 			{ "title_button_minimize", callStatusFg, point(4px, 4px) },
 		};
 	}
 	minimizeIconActive: icon {
-		{ size(24px, 21px), callBgOpaque },
+		{ size(24px, 21px), callBgButton },
 		{ "title_button_minimize", callStatusFg, point(4px, 4px) },
 	};
 	minimizeIconActiveOver: icon {
+		{ size(24px, 21px), callBgButton },
 		{ size(24px, 21px), callMuteRipple },
 		{ "title_button_minimize", callStatusFg, point(4px, 4px) },
 	};
 	maximize: IconButton(windowTitleButton) {
 		icon: icon {
-			{ size(24px, 21px), callBgOpaque },
+			{ size(24px, 21px), callBgButton },
 			{ "title_button_maximize", callStatusFg, point(4px, 4px) },
 		};
 		iconOver: icon {
+			{ size(24px, 21px), callBgButton },
 			{ size(24px, 21px), callMuteRipple },
 			{ "title_button_maximize", callStatusFg, point(4px, 4px) },
 		};
 	}
 	maximizeIconActive: icon {
-		{ size(24px, 21px), callBgOpaque },
+		{ size(24px, 21px), callBgButton },
 		{ "title_button_maximize", callStatusFg, point(4px, 4px) },
 	};
 	maximizeIconActiveOver: icon {
+		{ size(24px, 21px), callBgButton },
 		{ size(24px, 21px), callMuteRipple },
 		{ "title_button_maximize", callStatusFg, point(4px, 4px) },
 	};
 	restoreIcon: icon {
-		{ size(24px, 21px), callBgOpaque },
+		{ size(24px, 21px), callBgButton },
 		{ "title_button_restore", callStatusFg, point(4px, 4px) },
 	};
 	restoreIconOver: icon {
+		{ size(24px, 21px), callBgButton },
 		{ size(24px, 21px), callMuteRipple },
 		{ "title_button_restore", callStatusFg, point(4px, 4px) },
 	};
 	restoreIconActive: icon {
-		{ size(24px, 21px), callBgOpaque },
+		{ size(24px, 21px), callBgButton },
 		{ "title_button_restore", callStatusFg, point(4px, 4px) },
 	};
 	restoreIconActiveOver: icon {
+		{ size(24px, 21px), callBgButton },
 		{ size(24px, 21px), callMuteRipple },
 		{ "title_button_restore", callStatusFg, point(4px, 4px) },
 	};
 	close: IconButton(windowTitleButtonClose) {
 		icon: icon {
-			{ size(25px, 21px), callBgOpaque },
+			{ size(24px, 21px), callBgButton },
 			{ "title_button_close", callStatusFg, point(5px, 4px) },
 		};
 		iconOver: icon {
@@ -329,7 +335,7 @@ callTitle: WindowTitle(defaultWindowTitle) {
 		};
 	}
 	closeIconActive: icon {
-		{ size(25px, 21px), callBgOpaque },
+		{ size(24px, 21px), callBgButton },
 		{ "title_button_close", callStatusFg, point(5px, 4px) },
 	};
 	closeIconActiveOver: icon {

Telegram/SourceFiles/calls/calls_panel.cpp

@@ -43,6 +43,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include <QtWidgets/QDesktopWidget>
 #include <QtWidgets/QApplication>
+#include <QtGui/QWindow>
 
 namespace Calls {
 namespace {
@@ -296,25 +297,59 @@ void Panel::initWindow() {
 	_window->setWindowIcon(
 		QIcon(QPixmap::fromImage(Image::Empty()->original(), Qt::ColorOnly)));
 	_window->setTitle(u" "_q);
+	_window->setTitleStyle(st::callTitle);
 
 	_window->events(
 	) | rpl::start_with_next([=](not_null<QEvent*> e) {
 		if (e->type() == QEvent::Close) {
 			handleClose();
+		} else if (e->type() == QEvent::KeyPress) {
+			if ((static_cast<QKeyEvent*>(e.get())->key() == Qt::Key_Escape)
+				&& _window->isFullScreen()) {
+				_window->showNormal();
+			}
 		}
 	}, _window->lifetime());
 
 	_window->setBodyTitleArea([=](QPoint widgetPoint) {
 		const auto buttonWidth = st::callCancel.button.width;
 		const auto buttonsWidth = buttonWidth * 4;
-		return !_fingerprintArea.contains(widgetPoint)
+		const auto inControls = _fingerprintArea.contains(widgetPoint)
-			&& !QRect(
+			|| QRect(
 				(widget()->width() - buttonsWidth) / 2,
 				_answerHangupRedial->y(),
 				buttonsWidth,
 				_answerHangupRedial->height()).contains(widgetPoint)
-			&& !_outgoingVideoBubble->geometry().contains(widgetPoint);
+			|| (!_outgoingPreviewInBody
+				&& _outgoingVideoBubble->geometry().contains(widgetPoint));
+		using Flag = Ui::WindowTitleHitTestFlag;
+		return inControls
+			? Flag::None
+			: (Flag::Move | Flag::FullScreen);
 	});
+
+#ifdef Q_OS_WIN
+	// On Windows we replace snap-to-top maximizing with fullscreen.
+	//
+	// We have to switch first to showNormal, so that showFullScreen
+	// will remember correct normal window geometry and next showNormal
+	// will show it instead of a moving maximized window.
+	//
+	// We have to do it in InvokeQueued, otherwise it still captures
+	// the maximized window geometry and saves it.
+	//
+	// I couldn't find a less glitchy way to do that *sigh*.
+	const auto object = _window->windowHandle();
+	const auto signal = &QWindow::windowStateChanged;
+	QObject::connect(object, signal, [=](Qt::WindowState state) {
+		if (state == Qt::WindowMaximized) {
+			InvokeQueued(object, [=] {
+				_window->showNormal();
+				_window->showFullScreen();
+			});
+		}
+	});
+#endif // Q_OS_WIN
 }
 
 void Panel::initWidget() {
@@ -444,7 +479,9 @@ void Panel::reinitWithCall(Call *call) {
 		stateChanged(state);
 	}, _callLifetime);
 
-	_call->videoIncoming()->renderNextFrame(
+	rpl::merge(
+		_call->videoIncoming()->renderNextFrame(),
+		_call->videoOutgoing()->renderNextFrame()
 	) | rpl::start_with_next([=] {
 		setIncomingShown(!_call->videoIncoming()->frame({}).isNull());
 		widget()->update();
@@ -503,7 +540,6 @@ void Panel::initGeometry() {
 	const auto initRect = QRect(0, 0, st::callWidth, st::callHeight);
 	_window->setGeometry(initRect.translated(center - initRect.center()));
 	_window->setMinimumSize({ st::callWidthMin, st::callHeightMin });
-	_window->setTitleStyle(st::callTitle);
 	_window->show();
 	updateControlsGeometry();
 }

Telegram/SourceFiles/calls/calls_video_bubble.cpp

@@ -45,7 +45,11 @@ void VideoBubble::setup() {
 			_track->markFrameShown();
 		} else {
 			updateVisibility();
-			_content.update();
+			// We update whole parent widget in this case.
+			// In case we update only bubble without the parent incoming
+			// video frame we may get full parent of old frame with a
+			// rectangular piece of a new frame rendered with that update().
+			//_content.update();
 		}
 	}, lifetime());
 }

Telegram/cmake/lib_tgcalls.cmake

@@ -53,15 +53,15 @@ if (NOT DESKTOP_APP_DISABLE_WEBRTC_INTEGRATION)
 
         platform/PlatformInterface.h
 
-        # Teleram Desktop
+        # Android
-        platform/tdesktop/DesktopInterface.cpp
+        platform/android/AndroidContext.cpp
-        platform/tdesktop/DesktopInterface.h
+        platform/android/AndroidContext.h
-        platform/tdesktop/VideoCapturerInterfaceImpl.cpp
+        platform/android/AndroidInterface.cpp
-        platform/tdesktop/VideoCapturerInterfaceImpl.h
+        platform/android/AndroidInterface.h
-        platform/tdesktop/VideoCapturerTrackSource.cpp
+        platform/android/VideoCameraCapturer.cpp
-        platform/tdesktop/VideoCapturerTrackSource.h
+        platform/android/VideoCameraCapturer.h
-        platform/tdesktop/VideoCameraCapturer.cpp
+        platform/android/VideoCapturerInterfaceImpl.cpp
-        platform/tdesktop/VideoCameraCapturer.h
+        platform/android/VideoCapturerInterfaceImpl.h
 
         # iOS / macOS
         platform/darwin/DarwinInterface.h
@@ -95,6 +95,17 @@ if (NOT DESKTOP_APP_DISABLE_WEBRTC_INTEGRATION)
 
         # POSIX
 
+        # Teleram Desktop
+        platform/tdesktop/DesktopInterface.cpp
+        platform/tdesktop/DesktopInterface.h
+        platform/tdesktop/VideoCapturerInterfaceImpl.cpp
+        platform/tdesktop/VideoCapturerInterfaceImpl.h
+        platform/tdesktop/VideoCapturerTrackSource.cpp
+        platform/tdesktop/VideoCapturerTrackSource.h
+        platform/tdesktop/VideoCameraCapturer.cpp
+        platform/tdesktop/VideoCameraCapturer.h
+
+        # All
         reference/InstanceImplReference.cpp
         reference/InstanceImplReference.h
     )
@@ -150,6 +161,17 @@ else()
     )
 endif()
 
+remove_target_sources(lib_tgcalls ${tgcalls_loc}
+    platform/android/AndroidContext.cpp
+    platform/android/AndroidContext.h
+    platform/android/AndroidInterface.cpp
+    platform/android/AndroidInterface.h
+    platform/android/VideoCameraCapturer.cpp
+    platform/android/VideoCameraCapturer.h
+    platform/android/VideoCapturerInterfaceImpl.cpp
+    platform/android/VideoCapturerInterfaceImpl.h
+)
+
 target_include_directories(lib_tgcalls
 PUBLIC
     ${tgcalls_dir}

Telegram/lib_ui

@@ -1 +1 @@
-Subproject commit 608b25bd32d01e233df0d78ccb5fd97028a82ae9
+Subproject commit 3d5108a8787305ba7949659105b7f7490363488e