diff options
Diffstat (limited to 'core/java/android/view')
| -rw-r--r-- | core/java/android/view/VolumePanel.java | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/core/java/android/view/VolumePanel.java b/core/java/android/view/VolumePanel.java index 4d4e985c..c93da06 100644 --- a/core/java/android/view/VolumePanel.java +++ b/core/java/android/view/VolumePanel.java @@ -18,6 +18,7 @@ package android.view; import com.android.internal.R; +import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface.OnDismissListener; import android.content.BroadcastReceiver; @@ -92,6 +93,7 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie private static final int MSG_REMOTE_VOLUME_CHANGED = 8; private static final int MSG_REMOTE_VOLUME_UPDATE_IF_SHOWN = 9; private static final int MSG_SLIDER_VISIBILITY_CHANGED = 10; + private static final int MSG_DISPLAY_SAFE_VOLUME_WARNING = 11; // Pseudo stream type for master volume private static final int STREAM_MASTER = -100; @@ -211,6 +213,31 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie private ToneGenerator mToneGenerators[]; private Vibrator mVibrator; + private static AlertDialog sConfirmSafeVolumeDialog; + + private static class WarningDialogReceiver extends BroadcastReceiver + implements DialogInterface.OnDismissListener { + private Context mContext; + private Dialog mDialog; + + WarningDialogReceiver(Context context, Dialog dialog) { + mContext = context; + mDialog = dialog; + IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); + context.registerReceiver(this, filter); + } + + @Override + public void onReceive(Context context, Intent intent) { + mDialog.cancel(); + } + + public void onDismiss(DialogInterface unused) { + mContext.unregisterReceiver(this); + } + } + + public VolumePanel(final Context context, AudioService volumeService) { mContext = context; mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); @@ -528,6 +555,10 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie postMuteChanged(STREAM_MASTER, flags); } + public void postDisplaySafeVolumeWarning() { + obtainMessage(MSG_DISPLAY_SAFE_VOLUME_WARNING, 0, 0).sendToTarget(); + } + /** * Override this if you have other work to do when the volume changes (for * example, vibrating, playing a sound, etc.). Make sure to call through to @@ -796,6 +827,32 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie } } + protected void onDisplaySafeVolumeWarning() { + if (sConfirmSafeVolumeDialog != null) { + sConfirmSafeVolumeDialog.dismiss(); + } + sConfirmSafeVolumeDialog = new AlertDialog.Builder(mContext) + .setTitle(android.R.string.dialog_alert_title) + .setMessage(com.android.internal.R.string.safe_media_volume_warning) + .setPositiveButton(com.android.internal.R.string.yes, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mAudioService.disableSafeMediaVolume(); + } + }) + .setNegativeButton(com.android.internal.R.string.no, null) + .setIconAttribute(android.R.attr.alertDialogIcon) + .create(); + + final WarningDialogReceiver warning = new WarningDialogReceiver(mContext, + sConfirmSafeVolumeDialog); + + sConfirmSafeVolumeDialog.setOnDismissListener(warning); + sConfirmSafeVolumeDialog.getWindow().setType( + WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); + sConfirmSafeVolumeDialog.show(); + } + /** * Lock on this VolumePanel instance as long as you use the returned ToneGenerator. */ @@ -910,6 +967,10 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie case MSG_SLIDER_VISIBILITY_CHANGED: onSliderVisibilityChanged(msg.arg1, msg.arg2); break; + + case MSG_DISPLAY_SAFE_VOLUME_WARNING: + onDisplaySafeVolumeWarning(); + break; } } |