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Commit 03346886 authored by Paul McLean's avatar Paul McLean
Browse files

API Council Change Phase 2 - add/remove callback 

Change-Id: Ic7d374c67ef46a2bc8427fa3555e3ad1a4b0723e
parent 1c82b221

api/current.txt

+8 −6
Original line number Diff line number Diff line
@@ -14727,6 +14727,12 @@ package android.media { 
    method public android.media.AudioAttributes.Builder setUsage(int);

  }













  public abstract class AudioDeviceCallback {













    ctor public AudioDeviceCallback();













    method public void onAudioDevicesAdded(android.media.AudioDeviceInfo[]);













    method public void onAudioDevicesRemoved(android.media.AudioDeviceInfo[]);













  }



























  public final class AudioDeviceInfo {















    method public int[] getChannelCounts();















    method public int[] getChannelMasks();










@@ -14829,7 +14835,6 @@ package android.media {



























  public class AudioManager {















    method public int abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener);













    method public void addOnAudioDeviceConnectionListener(android.media.OnAudioDeviceConnectionListener, android.os.Handler);















    method public void adjustStreamVolume(int, int, int);















    method public void adjustSuggestedStreamVolume(int, int, int);















    method public void adjustVolume(int, int);









@@ -14856,11 +14861,11 @@ package android.media {













    method public void loadSoundEffects();















    method public void playSoundEffect(int);















    method public void playSoundEffect(int, float);













    method public void registerAudioDeviceCallback(android.media.AudioDeviceCallback, android.os.Handler);















    method public deprecated void registerMediaButtonEventReceiver(android.content.ComponentName);















    method public deprecated void registerMediaButtonEventReceiver(android.app.PendingIntent);















    method public deprecated void registerRemoteControlClient(android.media.RemoteControlClient);















    method public deprecated boolean registerRemoteController(android.media.RemoteController);













    method public void removeOnAudioDeviceConnectionListener(android.media.OnAudioDeviceConnectionListener);















    method public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, int, int);















    method public deprecated void setBluetoothA2dpOn(boolean);















    method public void setBluetoothScoOn(boolean);









@@ -14879,6 +14884,7 @@ package android.media {













    method public void startBluetoothSco();















    method public void stopBluetoothSco();















    method public void unloadSoundEffects();













    method public void unregisterAudioDeviceCallback(android.media.AudioDeviceCallback);















    method public deprecated void unregisterMediaButtonEventReceiver(android.content.ComponentName);















    method public deprecated void unregisterMediaButtonEventReceiver(android.app.PendingIntent);















    method public deprecated void unregisterRemoteControlClient(android.media.RemoteControlClient);










@@ -16501,10 +16507,6 @@ package android.media {













    ctor public NotProvisionedException(java.lang.String);















  }



























  public abstract interface OnAudioDeviceConnectionListener {













    method public abstract void onAudioDeviceConnection();













  }



























  public final class PlaybackParams {















    ctor public PlaybackParams();















    method public android.media.PlaybackParams allowDefaults();

























api/system-current.txt



+8
−6




























Original line number
Diff line number
Diff line








@@ -15925,6 +15925,12 @@ package android.media {













    method public android.media.AudioAttributes.Builder setUsage(int);















  }



























  public abstract class AudioDeviceCallback {













    ctor public AudioDeviceCallback();













    method public void onAudioDevicesAdded(android.media.AudioDeviceInfo[]);













    method public void onAudioDevicesRemoved(android.media.AudioDeviceInfo[]);













  }



























  public final class AudioDeviceInfo {















    method public int[] getChannelCounts();















    method public int[] getChannelMasks();










@@ -16040,7 +16046,6 @@ package android.media {













  public class AudioManager {















    method public int abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener);















    method public int abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, android.media.AudioAttributes);













    method public void addOnAudioDeviceConnectionListener(android.media.OnAudioDeviceConnectionListener, android.os.Handler);















    method public void adjustStreamVolume(int, int, int);















    method public void adjustSuggestedStreamVolume(int, int, int);















    method public void adjustVolume(int, int);










@@ -16068,12 +16073,12 @@ package android.media {













    method public void loadSoundEffects();















    method public void playSoundEffect(int);















    method public void playSoundEffect(int, float);













    method public void registerAudioDeviceCallback(android.media.AudioDeviceCallback, android.os.Handler);















    method public int registerAudioPolicy(android.media.audiopolicy.AudioPolicy);















    method public deprecated void registerMediaButtonEventReceiver(android.content.ComponentName);















    method public deprecated void registerMediaButtonEventReceiver(android.app.PendingIntent);















    method public deprecated void registerRemoteControlClient(android.media.RemoteControlClient);















    method public deprecated boolean registerRemoteController(android.media.RemoteController);













    method public void removeOnAudioDeviceConnectionListener(android.media.OnAudioDeviceConnectionListener);















    method public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, int, int);















    method public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, android.media.AudioAttributes, int, int) throws java.lang.IllegalArgumentException;















    method public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, android.media.AudioAttributes, int, int, android.media.audiopolicy.AudioPolicy) throws java.lang.IllegalArgumentException;









@@ -16094,6 +16099,7 @@ package android.media {













    method public void startBluetoothSco();















    method public void stopBluetoothSco();















    method public void unloadSoundEffects();













    method public void unregisterAudioDeviceCallback(android.media.AudioDeviceCallback);















    method public void unregisterAudioPolicyAsync(android.media.audiopolicy.AudioPolicy);















    method public deprecated void unregisterMediaButtonEventReceiver(android.content.ComponentName);















    method public deprecated void unregisterMediaButtonEventReceiver(android.app.PendingIntent);










@@ -17726,10 +17732,6 @@ package android.media {













    ctor public NotProvisionedException(java.lang.String);















  }



























  public abstract interface OnAudioDeviceConnectionListener {













    method public abstract void onAudioDeviceConnection();













  }



























  public final class PlaybackParams {















    ctor public PlaybackParams();















    method public android.media.PlaybackParams allowDefaults();

























media/java/android/media/OnAudioDeviceConnectionListener.java→media/java/android/media/AudioDeviceCallback.java



+3
−2




























Original line number
Diff line number
Diff line








@@ -20,12 +20,13 @@ package android.media;













 * OnAudioDeviceConnectionListener defines the interface for notification listeners in the















 * {@link AudioManager}















 */













public interface OnAudioDeviceConnectionListener {













public abstract class AudioDeviceCallback {















    /**















     * Called by the {@link AudioManager} to indicate that an audio device has been















     * connected or disconnected. A listener will probably call the















     * {@link AudioManager#getDevices} method to retrieve the current list of audio















     * devices.















     */













    public void onAudioDeviceConnection();













    public void onAudioDevicesAdded(AudioDeviceInfo[] addedDevices) {}













    public void onAudioDevicesRemoved(AudioDeviceInfo[] removedDevices) {}















}
























media/java/android/media/AudioManager.java



+110
−43




























Original line number
Diff line number
Diff line








@@ -3710,11 +3710,12 @@ public class AudioManager {













     * The message sent to apps when the contents of the device list changes if they provide















     * a {#link Handler} object to addOnAudioDeviceConnectionListener().















     */













    private final static int MSG_DEVICES_LIST_CHANGE = 0;













    private final static int MSG_DEVICES_DEVICES_ADDED = 0;













    private final static int MSG_DEVICES_DEVICES_REMOVED = 1;





























    private ArrayMap<OnAudioDeviceConnectionListener, NativeEventHandlerDelegate>













        mDeviceConnectionListeners =













            new ArrayMap<OnAudioDeviceConnectionListener, NativeEventHandlerDelegate>();













    private ArrayMap<AudioDeviceCallback, NativeEventHandlerDelegate>













        mDeviceCallbacks =













            new ArrayMap<AudioDeviceCallback, NativeEventHandlerDelegate>();































    /**















     * Specifies to the {@link AudioManager#getDevices(int)} method to include










@@ -3757,22 +3758,8 @@ public class AudioManager {













        return getDevicesStatic(flags);















    }





























    /**













     * Generates a list of AudioDeviceInfo objects corresponding to the audio devices currently













     * connected to the system and meeting the criteria specified in the <code>flags</code>













     * parameter.













     * @param flags A set of bitflags specifying the criteria to test.













     * @see {@link GET_DEVICES_OUTPUTS}, {@link GET_DEVICES_INPUTS} and {@link GET_DEVICES_ALL}.













     * @return A (possibly zero-length) array of AudioDeviceInfo objects.













     * @hide













     */













    public static AudioDeviceInfo[] getDevicesStatic(int flags) {













        ArrayList<AudioDevicePort> ports = new ArrayList<AudioDevicePort>();













        int status = AudioManager.listAudioDevicePorts(ports);













        if (status != AudioManager.SUCCESS) {













            // fail and bail!













            return new AudioDeviceInfo[0];













        }













    private static AudioDeviceInfo[]













        infoListFromPortList(ArrayList<AudioDevicePort> ports, int flags) {































        // figure out how many AudioDeviceInfo we need space for















        int numRecs = 0;









@@ -3794,28 +3781,74 @@ public class AudioManager {













        return deviceList;















    }





























    /*













     * Calculate the list of ports that are in ports_B, but not in ports_A













     */













    private static AudioDeviceInfo[] calcListDeltas(













            ArrayList<AudioDevicePort> ports_A, ArrayList<AudioDevicePort> ports_B, int flags) {



























        ArrayList<AudioDevicePort> delta_ports = new ArrayList<AudioDevicePort>();



























        AudioDevicePort cur_port = null;













        for (int cur_index = 0; cur_index < ports_B.size(); cur_index++) {













            boolean cur_port_found = false;













            cur_port = ports_B.get(cur_index);













            for (int prev_index = 0;













                 prev_index < ports_A.size() && !cur_port_found;













                 prev_index++) {













                cur_port_found = (cur_port.id() == ports_A.get(prev_index).id());













            }



























            if (!cur_port_found) {













                delta_ports.add(cur_port);













            }













        }



























        return infoListFromPortList(delta_ports, flags);













    }



























    /**













     * Generates a list of AudioDeviceInfo objects corresponding to the audio devices currently













     * connected to the system and meeting the criteria specified in the <code>flags</code>













     * parameter.













     * @param flags A set of bitflags specifying the criteria to test.













     * @see {@link GET_DEVICES_OUTPUTS}, {@link GET_DEVICES_INPUTS} and {@link GET_DEVICES_ALL}.













     * @return A (possibly zero-length) array of AudioDeviceInfo objects.













     * @hide













     */













    public static AudioDeviceInfo[] getDevicesStatic(int flags) {













        ArrayList<AudioDevicePort> ports = new ArrayList<AudioDevicePort>();













        int status = AudioManager.listAudioDevicePorts(ports);













        if (status != AudioManager.SUCCESS) {













            // fail and bail!













            return new AudioDeviceInfo[0];













        }



























        return infoListFromPortList(ports, flags);













    }





























    /**













     * Adds an {@link OnAudioDeviceConnectionListener} to receive notifications of changes













     * Adds an {@link AudioDeviceCallback} to receive notifications of changes















     * to the set of connected audio devices.















     */













    public void addOnAudioDeviceConnectionListener(OnAudioDeviceConnectionListener listener,













    public void registerAudioDeviceCallback(AudioDeviceCallback callback,















            android.os.Handler handler) {













        if (listener != null && !mDeviceConnectionListeners.containsKey(listener)) {













            synchronized (mDeviceConnectionListeners) {













                mDeviceConnectionListeners.put(













                    listener, new NativeEventHandlerDelegate(listener, handler));













        if (callback != null && !mDeviceCallbacks.containsKey(callback)) {













            synchronized (mDeviceCallbacks) {













                mDeviceCallbacks.put(













                        callback, new NativeEventHandlerDelegate(callback, handler));















            }















        }















    }































    /**













     * Removes an {@link OnAudioDeviceConnectionListener} which has been previously registered













     * Removes an {@link AudioDeviceCallback} which has been previously registered















     * to receive notifications of changes to the set of connected audio devices.















     */













    public void removeOnAudioDeviceConnectionListener(OnAudioDeviceConnectionListener listener) {













        synchronized (mDeviceConnectionListeners) {













            if (mDeviceConnectionListeners.containsKey(listener)) {













                mDeviceConnectionListeners.remove(listener);













    public void unregisterAudioDeviceCallback(AudioDeviceCallback callback) {













        synchronized (mDeviceCallbacks) {













            if (mDeviceCallbacks.containsKey(callback)) {













                mDeviceCallbacks.remove(callback);















            }















        }















    }









@@ -3824,14 +3857,42 @@ public class AudioManager {













     * Sends device list change notification to all listeners.















     */















    private void broadcastDeviceListChange() {













        int status;



























        ArrayList<AudioDevicePort> previous_ports = new ArrayList<AudioDevicePort>();













        status = AudioManager.listPreviousAudioDevicePorts(previous_ports);













        if (status != AudioManager.SUCCESS) {













            return;













        }



























        ArrayList<AudioDevicePort> current_ports = new ArrayList<AudioDevicePort>();













        status = AudioManager.listAudioDevicePorts(current_ports);













        if (status != AudioManager.SUCCESS) {













            return;













        }



























        AudioDeviceInfo[] added_devices =













                calcListDeltas(previous_ports, current_ports, GET_DEVICES_ALL);













        AudioDeviceInfo[] removed_devices =













                calcListDeltas(current_ports, previous_ports, GET_DEVICES_ALL);



























        if (added_devices.length != 0 || removed_devices.length != 0) {















            Collection<NativeEventHandlerDelegate> values;













        synchronized (mDeviceConnectionListeners) {













            values = mDeviceConnectionListeners.values();













            synchronized (mDeviceCallbacks) {













                values = mDeviceCallbacks.values();















            }















            for (NativeEventHandlerDelegate delegate : values) {















                Handler handler = delegate.getHandler();















                if (handler != null) {













                handler.sendEmptyMessage(MSG_DEVICES_LIST_CHANGE);













                    if (added_devices.length != 0) {













                        handler.sendMessage(













                            Message.obtain(handler,MSG_DEVICES_DEVICES_ADDED, added_devices));













                    }













                    if (removed_devices.length != 0) {













                        handler.sendMessage(













                            Message.obtain(handler,MSG_DEVICES_DEVICES_REMOVED, removed_devices));













                    }













                }















            }















        }















    }










@@ -3869,7 +3930,7 @@ public class AudioManager {













    private class NativeEventHandlerDelegate {















        private final Handler mHandler;





























        NativeEventHandlerDelegate(final OnAudioDeviceConnectionListener listener,













        NativeEventHandlerDelegate(final AudioDeviceCallback callback,















                                   Handler handler) {















            // find the looper for our new event handler















            Looper looper;









@@ -3887,12 +3948,19 @@ public class AudioManager {













                    @Override















                    public void handleMessage(Message msg) {















                        switch(msg.what) {













                        case MSG_DEVICES_LIST_CHANGE:













                        case MSG_DEVICES_DEVICES_ADDED:















                            // call the OnAudioDeviceConnectionListener













                            if (listener != null) {













                                listener.onAudioDeviceConnection();













                            if (callback != null) {













                                callback.onAudioDevicesAdded((AudioDeviceInfo[])msg.obj);













                            }













                            break;



























                        case MSG_DEVICES_DEVICES_REMOVED:













                            if (callback != null) {













                                callback.onAudioDevicesRemoved((AudioDeviceInfo[])msg.obj);















                            }















                           break;





























                        default:















                            Log.e(TAG, "Unknown native event type: " + msg.what);















                            break;









@@ -3908,5 +3976,4 @@ public class AudioManager {













            return mHandler;















        }















    }





























}