macosx: add support for pausing iTunes when VLC playback starts, and resume...

macosx: add support for pausing iTunes when VLC playback starts, and resume iTunes playback when VLCs playback is finished

Tested with iTunes 8 - 11.

configure.ac

@@ -3674,7 +3674,7 @@ then
   VLC_ADD_OBJCFLAGS([macosx], [-fobjc-exceptions] )
   VLC_ADD_PLUGIN([macosx])
 
-  VLC_ADD_LIBS([macosx], [-Wl,-framework,QTKit -Wl,-framework,IOKit -Wl,-framework,AddressBook -Wl,-framework,WebKit -Wl,-framework,CoreAudio -Wl,-framework,SystemConfiguration])
+  VLC_ADD_LIBS([macosx], [-Wl,-framework,QTKit -Wl,-framework,IOKit -Wl,-framework,AddressBook -Wl,-framework,WebKit -Wl,-framework,CoreAudio -Wl,-framework,SystemConfiguration -Wl,-framework,ScriptingBridge])
 
   if test ! -d ${CONTRIB_DIR}/Sparkle.framework
   then

modules/gui/macosx/Modules.am

@@ -83,4 +83,5 @@ SOURCES_macosx = \
 	ControlsBar.h \
 	VLCVoutWindowController.m \
 	VLCVoutWindowController.h \
+	iTunes.h \
 	$(NULL)

modules/gui/macosx/intf.h

@@ -148,6 +148,10 @@ struct intf_sys_t
     IOPMAssertionID userActivityAssertionID;
 
     VLCVoutWindowController *o_vout_controller;
+
+    /* iTunes play/pause support */
+    BOOL b_has_itunes_paused;
+    NSTimer *o_itunes_play_timer;
 }
 
 @property (readonly) VLCVoutWindowController* voutController;

modules/gui/macosx/intf.m

@@ -71,6 +71,8 @@
 #import <AddressBook/AddressBook.h>         /* for crashlog send mechanism */
 #import <Sparkle/Sparkle.h>                 /* we're the update delegate */
 
+#import "iTunes.h"
+
 /*****************************************************************************
  * Local prototypes.
  *****************************************************************************/
@@ -805,6 +807,8 @@ static VLCMain *_o_sharedMainInstance = nil;
     if (isTerminating)
         return;
 
+    [self resumeItunesPlayback:nil];
+
     if (notification == nil)
         [[NSNotificationCenter defaultCenter] postNotificationName: NSApplicationWillTerminateNotification object: nil];
 
@@ -1352,14 +1356,53 @@ static VLCMain *_o_sharedMainInstance = nil;
     [o_playlist outlineViewSelectionDidChange:nil];
 }
 
+- (void)resumeItunesPlayback:(id)sender
+{
+    if (b_has_itunes_paused && var_InheritInteger(p_intf, "macosx-control-itunes") > 1) {
+        iTunesApplication *iTunesApp = [SBApplication applicationWithBundleIdentifier:@"com.apple.iTunes"];
+        if (iTunesApp && [iTunesApp isRunning]) {
+            if ([iTunesApp playerState] == iTunesEPlSPaused) {
+                msg_Dbg(p_intf, "Unpause iTunes...");
+                [iTunesApp playpause];
+            }
+        }
+        
+    }
+
+    b_has_itunes_paused = NO;
+    o_itunes_play_timer = nil;
+}
+
 - (void)playbackStatusUpdated
 {
     int state = -1;
     if (p_current_input) {
         state = var_GetInteger(p_current_input, "state");
     }
-    
+
+    int i_control_itunes = var_InheritInteger(p_intf, "macosx-control-itunes");
+    // cancel itunes timer if next item starts playing
+    if (state > -1 && state != END_S && i_control_itunes > 0) {
+        if (o_itunes_play_timer) {
+            [o_itunes_play_timer invalidate];
+            o_itunes_play_timer = nil;
+        }
+    }
+
     if (state == PLAYING_S) {
+        // pause iTunes
+        if (i_control_itunes > 0 && !b_has_itunes_paused) {
+            iTunesApplication *iTunesApp = [SBApplication applicationWithBundleIdentifier:@"com.apple.iTunes"];
+            if (iTunesApp && [iTunesApp isRunning]) {
+                if ([iTunesApp playerState] == iTunesEPlSPlaying) {
+                    msg_Dbg(p_intf, "Pause iTunes...");
+                    [iTunesApp pause];
+                    b_has_itunes_paused = YES;
+                }
+            }
+        }
+
+        
         /* Declare user activity.
          This wakes the display if it is off, and postpones display sleep according to the users system preferences
          Available from 10.7.3 */
@@ -1414,6 +1457,19 @@ static VLCMain *_o_sharedMainInstance = nil;
             msg_Dbg(VLCIntf, "releasing sleep blocker (%i)" , systemSleepAssertionID);
             IOPMAssertionRelease(systemSleepAssertionID);
         }
+
+        if (state == END_S || state == -1) {
+            if (i_control_itunes > 0) {
+                if (o_itunes_play_timer) {
+                    [o_itunes_play_timer invalidate];
+                }
+                o_itunes_play_timer = [NSTimer scheduledTimerWithTimeInterval: 0.5
+                                                                       target: self
+                                                                     selector: @selector(resumeItunesPlayback:)
+                                                                     userInfo: nil
+                                                                      repeats: NO];
+            }
+        }
     }
 
     [[VLCMain sharedInstance] performSelectorOnMainThread:@selector(updateMainWindow) withObject: nil waitUntilDone: NO];

modules/gui/macosx/macosx.m

 /*****************************************************************************
  * macosx.m: Mac OS X module for vlc
  *****************************************************************************
- * Copyright (C) 2001-2012 VLC authors and VideoLAN
+ * Copyright (C) 2001-2013 VLC authors and VideoLAN
  * $Id$
  *
  * Authors: Colin Delacroix <colin@zoy.org>
@@ -9,6 +9,7 @@
  *          Florian G. Pflug <fgp@phlo.org>
  *          Jon Lech Johansen <jon-vl@nanocrew.net>
  *          Felix Paul Kühne <fkuehne at videolan dot org>
+ *          David Fuhrmann <david dot fuhrmann at googlemail dot com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -119,7 +120,16 @@ void WindowClose  (vout_window_t *);
 #define SIDEBAR_TEXT N_("Show sidebar")
 #define SIDEBAR_LONGTEXT N_("Shows a sidebar in the main window listing media sources")
 
-vlc_module_begin ()
+#define ITUNES_TEXT N_("Pause iTunes during VLC playback")
+#define ITUNES_LONGTEXT N_("Pauses iTunes playback when VLC playback starts. If selected, iTunes playback will be resumed again if VLC playback is finished.")
+
+static const int itunes_list[] =
+    { 0, 1, 2 };
+static const char *const itunes_list_text[] = {
+    N_("Do nothing"), N_("Pause iTunes"), N_("Pause and resume iTunes")
+};
+
+vlc_module_begin()
     set_description(N_("Mac OS X interface"))
     set_capability("interface", 200)
     set_callbacks(OpenIntf, CloseIntf)
@@ -145,8 +155,10 @@ vlc_module_begin ()
     add_bool("macosx-show-playback-buttons", false, JUMPBUTTONS_TEXT, JUMPBUTTONS_LONGTEXT, false)
     add_bool("macosx-show-playmode-buttons", true, PLAYMODEBUTTONS_TEXT, PLAYMODEBUTTONS_LONGTEXT, false)
     add_bool("macosx-show-sidebar", true, SIDEBAR_TEXT, SIDEBAR_LONGTEXT, false)
+    add_integer("macosx-control-itunes", 1, ITUNES_TEXT, ITUNES_LONGTEXT, false)
+    change_integer_list(itunes_list, itunes_list_text)
 
-    add_submodule ()
+    add_submodule()
         set_description("Mac OS X Video Output Provider")
         set_capability("vout window nsobject", 100)
         set_callbacks(WindowOpen, WindowClose)
@@ -154,5 +166,5 @@ vlc_module_begin ()
         add_integer("macosx-vdev", 0, VDEV_TEXT, VDEV_LONGTEXT, false)
         add_float_with_range("macosx-opaqueness", 1, 0, 1, OPAQUENESS_TEXT, OPAQUENESS_LONGTEXT, true);
         add_bool("macosx-black", true, BLACK_TEXT, BLACK_LONGTEXT, false)
-vlc_module_end ()
+vlc_module_end()