Take control over macOS media keys only when using music player. tele…

…gramdesktop#2549

Telegram/SourceFiles/mainwidget.cpp

@@ -1640,6 +1640,8 @@ void MainWidget::closeBothPlayers() {
 	if (Media::Player::exists()) {
 		Media::Player::instance()->stop();
 	}
+
+	Shortcuts::disableMediaShortcuts();
 }
 
 void MainWidget::createPlayer() {
@@ -1657,6 +1659,8 @@ void MainWidget::createPlayer() {
 		_playerHeight = _contentScrollAddToY = _player->contentHeight();
 		updateControlsGeometry();
 	}
+
+	Shortcuts::enableMediaShortcuts();
 }
 
 void MainWidget::playerHeightUpdated() {

Telegram/SourceFiles/pspecific.h

@@ -39,6 +39,8 @@ namespace Platform {
 void start();
 void finish();
 
+void SetWatchingMediaKeys(bool watching);
+
 namespace ThirdParty {
 
 void start();

Telegram/SourceFiles/pspecific_linux.cpp

@@ -406,6 +406,9 @@ void finish() {
 	_psEventFilter = nullptr;
 }
 
+void SetWatchingMediaKeys(bool watching) {
+}
+
 namespace ThirdParty {
 
 void start() {

Telegram/SourceFiles/pspecific_mac_p.mm

@@ -87,13 +87,16 @@ - (id)debugQuickLookObject {
 @interface ApplicationDelegate : NSObject<NSApplicationDelegate> {
 
 SPMediaKeyTap *keyTap;
+BOOL watchingMediaKeys;
 
 }
 
 - (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisibleWindows:(BOOL)flag;
 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification;
 - (void)applicationDidBecomeActive:(NSNotification *)aNotification;
 - (void)receiveWakeNote:(NSNotification*)note;
+- (void)setWatchingMediaKeys:(BOOL)watching;
+- (BOOL)isWatchingMediaKeys;
 - (void)mediaKeyTap:(SPMediaKeyTap*)keyTap receivedMediaKeyEvent:(NSEvent*)event;
 
 @end
@@ -109,15 +112,14 @@ - (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisible
 }
 
 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
+	keyTap = nullptr;
+	watchingMediaKeys = false;
 #ifndef OS_MAC_STORE
-	keyTap = [[SPMediaKeyTap alloc] initWithDelegate:self];
 	if ([SPMediaKeyTap usesGlobalMediaKeyTap]) {
-		[keyTap startWatchingMediaKeys];
+		keyTap = [[SPMediaKeyTap alloc] initWithDelegate:self];
 	} else {
 		LOG(("Media key monitoring disabled"));
 	}
-#else // !OS_MAC_STORE
-	keyTap = nullptr;
 #endif // else for !OS_MAC_STORE
 }
 
@@ -129,6 +131,25 @@ - (void)receiveWakeNote:(NSNotification*)aNotification {
 	if (App::app()) App::app()->checkLocalTime();
 }
 
+- (void)setWatchingMediaKeys:(BOOL)watching {
+	if (watchingMediaKeys != watching) {
+		watchingMediaKeys = watching;
+		if (keyTap) {
+#ifndef OS_MAC_STORE
+			if (watchingMediaKeys) {
+				[keyTap startWatchingMediaKeys];
+			} else {
+				[keyTap stopWatchingMediaKeys];
+			}
+#endif // else for !OS_MAC_STORE
+		}
+	}
+}
+
+- (BOOL)isWatchingMediaKeys {
+	return watchingMediaKeys;
+}
+
 - (void)mediaKeyTap:(SPMediaKeyTap*)keyTap receivedMediaKeyEvent:(NSEvent*)e {
 	if (e && [e type] == NSSystemDefined && [e subtype] == SPSystemDefinedEventMediaKeys) {
 		handleMediaKeyEvent(e);
@@ -193,6 +214,16 @@ - (void) screenIsUnlocked:(NSNotification *)aNotification {
 
 @end
 
+namespace Platform {
+
+void SetWatchingMediaKeys(bool watching) {
+	if (_sharedDelegate) {
+		[_sharedDelegate setWatchingMediaKeys:(watching ? YES : NO)];
+	}
+}
+
+} // namespace Platform
+
 PsMacWindowPrivate::PsMacWindowPrivate() : data(new PsMacWindowData(this)) {
 	@autoreleasepool {
 
@@ -264,6 +295,10 @@ bool handleMediaKeyEvent(NSEvent *e) {
 	int keyState = (((keyFlags & 0xFF00) >> 8)) == 0xA;
 	int keyRepeat = (keyFlags & 0x1);
 
+	if (!_sharedDelegate || ![_sharedDelegate isWatchingMediaKeys]) {
+		return false;
+	}
+
 	switch (keyCode) {
 	case NX_KEYTYPE_PLAY:
 		if (keyState == 0) { // Play pressed and released

Telegram/SourceFiles/pspecific_win.cpp

@@ -729,6 +729,9 @@ void finish() {
 	EventFilter::destroy();
 }
 
+void SetWatchingMediaKeys(bool watching) {
+}
+
 namespace ThirdParty {
 
 void start() {

Telegram/SourceFiles/shortcuts.cpp

@@ -25,6 +25,7 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 #include "passcodewidget.h"
 #include "mainwidget.h"
 #include "media/player/media_player_instance.h"
+#include "pspecific.h"
 
 namespace ShortcutCommands {
 
@@ -543,13 +544,15 @@ void enableMediaShortcuts() {
 	for_const (auto shortcut, DataPtr->mediaShortcuts) {
 		shortcut->setEnabled(true);
 	}
+	Platform::SetWatchingMediaKeys(true);
 }
 
 void disableMediaShortcuts() {
 	if (!DataPtr) return;
 	for_const (auto shortcut, DataPtr->mediaShortcuts) {
 		shortcut->setEnabled(false);
 	}
+	Platform::SetWatchingMediaKeys(false);
 }
 
 void finish() {

Telegram/SourceFiles/ui/flatinput.h

@@ -186,8 +186,8 @@ class InputArea : public TWidget {
 	void step_placeholderShift(float64 ms, bool timer);
 	void step_border(float64 ms, bool timer);
 
-	QSize sizeHint() const;
-	QSize minimumSizeHint() const;
+	QSize sizeHint() const override;
+	QSize minimumSizeHint() const override;
 
 	QString getText(int32 start = 0, int32 end = -1) const;
 	bool hasText() const;
@@ -267,7 +267,7 @@ public slots:
 	public:
 		InputAreaInner(InputArea *parent);
 
-		QVariant loadResource(int type, const QUrl &name);
+		QVariant loadResource(int type, const QUrl &name) override;
 
 	protected:
 		bool viewportEvent(QEvent *e) override;
@@ -348,8 +348,8 @@ class InputField : public TWidget {
 	void step_placeholderShift(float64 ms, bool timer);
 	void step_border(float64 ms, bool timer);
 
-	QSize sizeHint() const;
-	QSize minimumSizeHint() const;
+	QSize sizeHint() const override;
+	QSize minimumSizeHint() const override;
 
 	QString getText(int32 start = 0, int32 end = -1) const;
 	bool hasText() const;
@@ -436,9 +436,7 @@ public slots:
 	public:
 		InputFieldInner(InputField *parent);
 
-		QMimeData *createMimeDataFromSelection() const;
-
-		QVariant loadResource(int type, const QUrl &name);
+		QVariant loadResource(int type, const QUrl &name) override;
 
 	protected:
 		bool viewportEvent(QEvent *e) override;
@@ -448,6 +446,8 @@ public slots:
 		void paintEvent(QPaintEvent *e) override;
 		void contextMenuEvent(QContextMenuEvent *e) override;
 
+		QMimeData *createMimeDataFromSelection() const override;
+
 	private:
 		InputField *f() const {
 			return static_cast<InputField*>(parentWidget());