Add support multimedia keys/buttons to the core, and adapt Rockbox on android for it (multimedia buttons are found on wired headsets and the lock screen in cyanogenmod).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28421 a1c6a512-1295-4272-9138-f99709370657

4 files changed, 59 insertions, 13 deletions

diff --git a/apps/action.c b/apps/action.c
index 8f427c8..d61930a 100644
--- a/apps/action.c
+++ b/apps/action.c
@@ -183,8 +183,9 @@ static int get_action_worker(int context, int timeout,
     else
         button = button_get_w_tmo(timeout);
 
-    /* Data from sys events can be pulled with button_get_data */
-    if (button == BUTTON_NONE || button & SYS_EVENT)
+    /* Data from sys events can be pulled with button_get_data
+     * multimedia button presses don't go through the action system */
+    if (button == BUTTON_NONE || button & (SYS_EVENT|BUTTON_MULTIMEDIA))
         return button;
     /* Don't send any buttons through untill we see the release event */
     if (wait_for_release)
diff --git a/apps/gui/wps.c b/apps/gui/wps.c
index a5fe304..7d633ad 100644
--- a/apps/gui/wps.c
+++ b/apps/gui/wps.c
@@ -1045,18 +1045,18 @@ long gui_wps_show(void)
                 exit = true;
                 break;
 #endif
-            case SYS_POWEROFF:
-                default_event_handler(SYS_POWEROFF);
-                break;
             case ACTION_WPS_VIEW_PLAYLIST:
                 gwps_leave_wps();
                 return GO_TO_PLAYLIST_VIEWER;
                 break;
             default:
-                if(default_event_handler(button) == SYS_USB_CONNECTED)
-                {
-                    gwps_leave_wps();
-                    return GO_TO_ROOT;
+                switch(default_event_handler(button))
+                {   /* music has been stopped by the default handler */
+                    case SYS_USB_CONNECTED:
+                    case SYS_CALL_INCOMING:
+                    case BUTTON_MULTIMEDIA_STOP:
+                        gwps_leave_wps();
+                        return GO_TO_ROOT;
                 }
                 update = true;
                 break;
diff --git a/apps/menu.c b/apps/menu.c
index 9d67c7b..5839a51 100644
--- a/apps/menu.c
+++ b/apps/menu.c
@@ -650,10 +650,20 @@ int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
             }
 #endif
         }
-        else if(default_event_handler(action) == SYS_USB_CONNECTED)
+        else
         {
-            ret = MENU_ATTACHED_USB;
-            done = true;
+            switch(default_event_handler(action))
+            {
+                case SYS_USB_CONNECTED:
+                    ret = MENU_ATTACHED_USB;
+                    done = true;
+                    break;
+                case SYS_CALL_HUNG_UP:
+                case BUTTON_MULTIMEDIA_PLAYPAUSE:
+                /* remove splash from playlist_resume() */
+                    redraw_lists = true;
+                    break;
+            }
         }
 
         if (redraw_lists && !done)
diff --git a/apps/misc.c b/apps/misc.c
index 8d0ca79..c41f634 100644
--- a/apps/misc.c
+++ b/apps/misc.c
@@ -529,6 +529,7 @@ long default_event_handler_ex(long event, void (*callback)(void *), void *parame
 #if CONFIG_PLATFORM & PLATFORM_ANDROID
     static bool resume = false;
 #endif
+
     switch(event)
     {
         case SYS_BATTERY_UPDATE:
@@ -629,11 +630,45 @@ long default_event_handler_ex(long event, void (*callback)(void *), void *parame
             if (resume && playlist_resume() != -1)
             {
                 playlist_start(global_status.resume_index,
-                    global_status.resume_offset);
+                               global_status.resume_offset);
             }
             resume = false;
             return SYS_CALL_HUNG_UP;
 #endif
+#ifdef HAVE_MULTIMEDIA_KEYS
+        /* multimedia keys on keyboards, headsets */
+        case BUTTON_MULTIMEDIA_PLAYPAUSE:
+        {
+            int status = audio_status();
+            if (status & AUDIO_STATUS_PLAY)
+            {
+                if (status & AUDIO_STATUS_PAUSE)
+                    audio_resume();
+                else
+                    audio_pause();
+            }
+            else
+                if (playlist_resume() != -1)
+                {
+                    playlist_start(global_status.resume_index,
+                                   global_status.resume_offset);
+                }
+            return event;
+        }
+        case BUTTON_MULTIMEDIA_NEXT:
+            audio_next();
+            return event;
+        case BUTTON_MULTIMEDIA_PREV:
+            audio_prev();
+            return event;
+        case BUTTON_MULTIMEDIA_STOP:
+            list_stop_handler();
+            return event;
+        case BUTTON_MULTIMEDIA_REW:
+        case BUTTON_MULTIMEDIA_FFWD:
+            /* not supported yet, needs to be done in the WPS */
+            return 0;
+#endif
     }
     return 0;
 }