v7/mediarouter/src/android/support/v7/app/MediaRouteControllerDialog.java - platform/frameworks/support.git - Git at Google

 /*
  * Copyright (C) 2013 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package android.support.v7.app;

 import android.app.Dialog;
 import android.content.Context;
 import android.content.IntentSender;
 import android.content.IntentSender.SendIntentException;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.support.v4.media.MediaDescriptionCompat;
 import android.support.v4.media.MediaMetadataCompat;
 import android.support.v4.media.session.MediaControllerCompat;
 import android.support.v4.media.session.MediaSessionCompat;
 import android.support.v4.media.session.PlaybackStateCompat;
 import android.support.v7.media.MediaRouteSelector;
 import android.support.v7.media.MediaRouter;
 import android.support.v7.mediarouter.R;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.View;
 import android.view.Window;
 import android.widget.Button;
 import android.widget.FrameLayout;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.TextView;

 /**
  * This class implements the route controller dialog for {@link MediaRouter}.
  * <p>
  * This dialog allows the user to control or disconnect from the currently selected route.
  * </p>
  *
  * @see MediaRouteButton
  * @see MediaRouteActionProvider
  */
 public class MediaRouteControllerDialog extends Dialog {
     private static final String TAG = "MediaRouteControllerDialog";

     private final MediaRouter mRouter;
     private final MediaRouterCallback mCallback;
     private final MediaRouter.RouteInfo mRoute;

     private boolean mCreated;
     private boolean mAttachedToWindow;
     private Drawable mMediaRouteConnectingDrawable;
     private Drawable mMediaRouteOnDrawable;
     private Drawable mCurrentIconDrawable;
     private Drawable mSettingsDrawable;

     private View mControlView;

     private Button mDisconnectButton;
     private Button mStopCastingButton;
     private ImageButton mPlayPauseButton;
     private ImageButton mSettingsButton;

     private ImageView mArtView;
     private TextView mTitleView;
     private TextView mSubtitleView;
     private TextView mRouteNameView;
     private View mTitlesWrapper;

     private MediaControllerCompat mMediaController;
     private MediaControllerCallback mControllerCallback;
     private PlaybackStateCompat mState;
     private MediaDescriptionCompat mDescription;


     public MediaRouteControllerDialog(Context context) {
         this(context, 0);
     }

     public MediaRouteControllerDialog(Context context, int theme) {
         super(MediaRouterThemeHelper.createThemedContext(context), theme);
         context = getContext();

         mControllerCallback = new MediaControllerCallback();
         mRouter = MediaRouter.getInstance(context);
         mCallback = new MediaRouterCallback();
         mRoute = mRouter.getSelectedRoute();
         setMediaSession(mRouter.getMediaSessionToken());
     }

     /**
      * Gets the route that this dialog is controlling.
      */
     public MediaRouter.RouteInfo getRoute() {
         return mRoute;
     }

     /**
      * Provides the subclass an opportunity to create a view that will
      * be included within the body of the dialog to offer additional media controls
      * for the currently playing content.
      *
      * @param savedInstanceState The dialog's saved instance state.
      * @return The media control view, or null if none.
      */
     public View onCreateMediaControlView(Bundle savedInstanceState) {
         return null;
     }

     /**
      * Gets the media control view that was created by {@link #onCreateMediaControlView(Bundle)}.
      *
      * @return The media control view, or null if none.
      */
     public View getMediaControlView() {
         return mControlView;
     }

     /**
      * Set the session to use for metadata and transport controls. The dialog
      * will listen to changes on this session and update the UI automatically in
      * response to changes.
      *
      * @param sessionToken The token for the session to use.
      */
     private void setMediaSession(MediaSessionCompat.Token sessionToken) {
         if (mMediaController != null) {
             mMediaController.unregisterCallback(mControllerCallback);
             mMediaController = null;
         }
         if (sessionToken == null) {
             return;
         }
         if (!mAttachedToWindow) {
             return;
         }
         try {
             mMediaController = new MediaControllerCompat(getContext(), sessionToken);
         } catch (RemoteException e) {
             Log.e(TAG, "Error creating media controller in setMediaSession.", e);
         }
         if (mMediaController != null) {
             mMediaController.registerCallback(mControllerCallback);
         }
         MediaMetadataCompat metadata = mMediaController == null ? null
                 : mMediaController.getMetadata();
         mDescription = metadata == null ? null : metadata.getDescription();
         mState = mMediaController == null ? null : mMediaController.getPlaybackState();
         update();
     }

     /**
      * Gets the description being used by the default UI.
      *
      * @return The current description.
      */
     public MediaSessionCompat.Token getMediaSession() {
         return mMediaController == null ? null : mMediaController.getSessionToken();
     }

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

         getWindow().requestFeature(Window.FEATURE_NO_TITLE);

         setContentView(R.layout.mr_media_route_controller_material_dialog_b);

         ClickListener listener = new ClickListener();

         mDisconnectButton = (Button) findViewById(R.id.disconnect);
         mDisconnectButton.setOnClickListener(listener);

         mStopCastingButton = (Button) findViewById(R.id.stop);
         mStopCastingButton.setOnClickListener(listener);

         mSettingsButton = (ImageButton) findViewById(R.id.settings);
         mSettingsButton.setOnClickListener(listener);

         mArtView = (ImageView) findViewById(R.id.art);
         mTitleView = (TextView) findViewById(R.id.title);
         mSubtitleView = (TextView) findViewById(R.id.subtitle);
         mTitlesWrapper = findViewById(R.id.text_wrapper);
         mPlayPauseButton = (ImageButton) findViewById(R.id.play_pause);
         mPlayPauseButton.setOnClickListener(listener);
         mRouteNameView = (TextView) findViewById(R.id.route_name);

         mCreated = true;
         if (update()) {
             mControlView = onCreateMediaControlView(savedInstanceState);
             FrameLayout controlFrame =
                     (FrameLayout)findViewById(R.id.media_route_control_frame);
             if (mControlView != null) {
                 controlFrame.findViewById(R.id.default_control_frame).setVisibility(View.GONE);
                 controlFrame.addView(mControlView);
             }
         }
     }

     @Override
     public void onAttachedToWindow() {
         super.onAttachedToWindow();
         mAttachedToWindow = true;

         mRouter.addCallback(MediaRouteSelector.EMPTY, mCallback,
                 MediaRouter.CALLBACK_FLAG_UNFILTERED_EVENTS);
         setMediaSession(mRouter.getMediaSessionToken());
     }

     @Override
     public void onDetachedFromWindow() {
         mRouter.removeCallback(mCallback);
         setMediaSession(null);
         mAttachedToWindow = false;
         super.onDetachedFromWindow();
     }

     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
         if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
                 || keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
             mRoute.requestUpdateVolume(keyCode == KeyEvent.KEYCODE_VOLUME_DOWN ? -1 : 1);
             return true;
         }
         return super.onKeyDown(keyCode, event);
     }

     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
                 || keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
             return true;
         }
         return super.onKeyUp(keyCode, event);
     }

     private boolean update() {
         if (!mRoute.isSelected() || mRoute.isDefault()) {
             dismiss();
             return false;
         }
         if (!mCreated) {
             return false;
         }

         mRouteNameView.setText(mRoute.getName());

         if (mRoute.canDisconnect()) {
             mDisconnectButton.setVisibility(View.VISIBLE);
         } else {
             mDisconnectButton.setVisibility(View.GONE);
         }

         if (mRoute.getSettingsIntent() != null) {
             mSettingsButton.setVisibility(View.VISIBLE);
         } else {
             mSettingsButton.setVisibility(View.GONE);
         }

         if (mControlView == null) {
             if (mDescription != null) {
                 if (mDescription.getIconBitmap() != null) {
                     mArtView.setImageBitmap(mDescription.getIconBitmap());
                     mArtView.setVisibility(View.VISIBLE);
                 } else if (mDescription.getIconUri() != null) {
                     // TODO replace with background load of icon
                     mArtView.setImageURI(mDescription.getIconUri());
                     mArtView.setVisibility(View.VISIBLE);
                 } else {
                     mArtView.setImageDrawable(null);
                     mArtView.setVisibility(View.GONE);
                 }

                 boolean haveText = false;
                 CharSequence text = mDescription.getTitle();
                 if (!TextUtils.isEmpty(text)) {
                     mTitleView.setText(text);
                     haveText = true;
                 } else {
                     mTitleView.setText(null);
                     mTitleView.setVisibility(View.GONE);
                 }
                 text = mDescription.getSubtitle();
                 if (!TextUtils.isEmpty(text)) {
                     mSubtitleView.setText(mDescription.getSubtitle());
                     haveText = true;
                 } else {
                     mSubtitleView.setText(null);
                     mSubtitleView.setVisibility(View.GONE);
                 }
                 if (!haveText) {
                     mTitlesWrapper.setVisibility(View.GONE);
                 } else {
                     mTitlesWrapper.setVisibility(View.VISIBLE);
                 }
             } else {
                 mArtView.setVisibility(View.GONE);
                 mTitlesWrapper.setVisibility(View.GONE);
             }
             if (mState != null) {
                 boolean isPlaying = mState.getState() == PlaybackStateCompat.STATE_BUFFERING
                         || mState.getState() == PlaybackStateCompat.STATE_PLAYING;
                 boolean supportsPlay = (mState.getActions() & (PlaybackStateCompat.ACTION_PLAY
                         | PlaybackStateCompat.ACTION_PLAY_PAUSE)) != 0;
                 boolean supportsPause = (mState.getActions() & (PlaybackStateCompat.ACTION_PAUSE
                                 | PlaybackStateCompat.ACTION_PLAY_PAUSE)) != 0;
                 if (isPlaying && supportsPause) {
                     mPlayPauseButton.setVisibility(View.VISIBLE);
                     mPlayPauseButton.setImageResource(MediaRouterThemeHelper.getThemeResource(
                             getContext(), R.attr.mediaRoutePauseDrawable));
                     mPlayPauseButton.setContentDescription(getContext().getResources()
                             .getText(R.string.mr_media_route_controller_pause));
                 } else if (!isPlaying && supportsPlay) {
                     mPlayPauseButton.setVisibility(View.VISIBLE);
                     mPlayPauseButton.setImageResource(MediaRouterThemeHelper.getThemeResource(
                             getContext(), R.attr.mediaRoutePlayDrawable));
                     mPlayPauseButton.setContentDescription(getContext().getResources()
                             .getText(R.string.mr_media_route_controller_play));
                 } else {
                     mPlayPauseButton.setVisibility(View.GONE);
                 }
             } else {
                 mPlayPauseButton.setVisibility(View.GONE);
             }
         }
         return true;
     }

     private Drawable getIconDrawable() {
         if (mRoute.isConnecting()) {
             if (mMediaRouteConnectingDrawable == null) {
                 mMediaRouteConnectingDrawable = MediaRouterThemeHelper.getThemeDrawable(
                         getContext(), R.attr.mediaRouteConnectingDrawable);
             }
             return mMediaRouteConnectingDrawable;
         } else {
             if (mMediaRouteOnDrawable == null) {
                 mMediaRouteOnDrawable = MediaRouterThemeHelper.getThemeDrawable(
                         getContext(), R.attr.mediaRouteOnDrawable);
             }
             return mMediaRouteOnDrawable;
         }
     }

     private final class MediaRouterCallback extends MediaRouter.Callback {
         @Override
         public void onRouteUnselected(MediaRouter router, MediaRouter.RouteInfo route) {
             update();
         }

         @Override
         public void onRouteChanged(MediaRouter router, MediaRouter.RouteInfo route) {
             update();
         }

         @Override
         public void onRouteVolumeChanged(MediaRouter router, MediaRouter.RouteInfo route) {
             if (route == mRoute) {
             }
         }
     }

     private final class MediaControllerCallback extends MediaControllerCompat.Callback {
         @Override
         public void onSessionDestroyed() {
             if (mMediaController != null) {
                 mMediaController.unregisterCallback(mControllerCallback);
                 mMediaController = null;
             }
         }

         @Override
         public void onPlaybackStateChanged(PlaybackStateCompat state) {
             mState = state;
             update();
         }

         @Override
         public void onMetadataChanged(MediaMetadataCompat metadata) {
             mDescription = metadata == null ? null : metadata.getDescription();
             update();
         }
     }

     private final class ClickListener implements View.OnClickListener {
         @Override
         public void onClick(View v) {
             int id = v.getId();
             if (id == R.id.stop || id == R.id.disconnect) {
                 if (mRoute.isSelected()) {
                     mRouter.unselect(id == R.id.stop ?
                             MediaRouter.UNSELECT_REASON_STOPPED :
                             MediaRouter.UNSELECT_REASON_DISCONNECTED);
                 }
                 dismiss();
             } else if (id == R.id.play_pause) {
                 if (mMediaController != null && mState != null) {
                     if (mState.getState() == PlaybackStateCompat.STATE_PLAYING) {
                         mMediaController.getTransportControls().pause();
                     } else {
                         mMediaController.getTransportControls().play();
                     }
                 }
             } else if (id == R.id.settings) {
                 IntentSender is = mRoute.getSettingsIntent();
                 if (is != null) {
                     try {
                         is.sendIntent(null, 0, null, null, null);
                         dismiss();
                     } catch (Exception e) {
                         Log.e(TAG, "Error opening route settings.", e);
                     }
                 }
             }
         }
     }
 }
	/*
	* Copyright (C) 2013 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package android.support.v7.app;

	import android.app.Dialog;
	import android.content.Context;
	import android.content.IntentSender;
	import android.content.IntentSender.SendIntentException;
	import android.graphics.drawable.Drawable;
	import android.os.Bundle;
	import android.os.RemoteException;
	import android.support.v4.media.MediaDescriptionCompat;
	import android.support.v4.media.MediaMetadataCompat;
	import android.support.v4.media.session.MediaControllerCompat;
	import android.support.v4.media.session.MediaSessionCompat;
	import android.support.v4.media.session.PlaybackStateCompat;
	import android.support.v7.media.MediaRouteSelector;
	import android.support.v7.media.MediaRouter;
	import android.support.v7.mediarouter.R;
	import android.text.TextUtils;
	import android.util.Log;
	import android.view.KeyEvent;
	import android.view.View;
	import android.view.Window;
	import android.widget.Button;
	import android.widget.FrameLayout;
	import android.widget.ImageButton;
	import android.widget.ImageView;
	import android.widget.TextView;

	/**
	* This class implements the route controller dialog for {@link MediaRouter}.
	* <p>
	* This dialog allows the user to control or disconnect from the currently selected route.
	* </p>
	*
	* @see MediaRouteButton
	* @see MediaRouteActionProvider
	*/
	public class MediaRouteControllerDialog extends Dialog {
	private static final String TAG = "MediaRouteControllerDialog";

	private final MediaRouter mRouter;
	private final MediaRouterCallback mCallback;
	private final MediaRouter.RouteInfo mRoute;

	private boolean mCreated;
	private boolean mAttachedToWindow;
	private Drawable mMediaRouteConnectingDrawable;
	private Drawable mMediaRouteOnDrawable;
	private Drawable mCurrentIconDrawable;
	private Drawable mSettingsDrawable;

	private View mControlView;

	private Button mDisconnectButton;
	private Button mStopCastingButton;
	private ImageButton mPlayPauseButton;
	private ImageButton mSettingsButton;

	private ImageView mArtView;
	private TextView mTitleView;
	private TextView mSubtitleView;
	private TextView mRouteNameView;
	private View mTitlesWrapper;

	private MediaControllerCompat mMediaController;
	private MediaControllerCallback mControllerCallback;
	private PlaybackStateCompat mState;
	private MediaDescriptionCompat mDescription;


	public MediaRouteControllerDialog(Context context) {
	this(context, 0);
	}

	public MediaRouteControllerDialog(Context context, int theme) {
	super(MediaRouterThemeHelper.createThemedContext(context), theme);
	context = getContext();

	mControllerCallback = new MediaControllerCallback();
	mRouter = MediaRouter.getInstance(context);
	mCallback = new MediaRouterCallback();
	mRoute = mRouter.getSelectedRoute();
	setMediaSession(mRouter.getMediaSessionToken());
	}

	/**
	* Gets the route that this dialog is controlling.
	*/
	public MediaRouter.RouteInfo getRoute() {
	return mRoute;
	}

	/**
	* Provides the subclass an opportunity to create a view that will
	* be included within the body of the dialog to offer additional media controls
	* for the currently playing content.
	*
	* @param savedInstanceState The dialog's saved instance state.
	* @return The media control view, or null if none.
	*/
	public View onCreateMediaControlView(Bundle savedInstanceState) {
	return null;
	}

	/**
	* Gets the media control view that was created by {@link #onCreateMediaControlView(Bundle)}.
	*
	* @return The media control view, or null if none.
	*/
	public View getMediaControlView() {
	return mControlView;
	}

	/**
	* Set the session to use for metadata and transport controls. The dialog
	* will listen to changes on this session and update the UI automatically in
	* response to changes.
	*
	* @param sessionToken The token for the session to use.
	*/
	private void setMediaSession(MediaSessionCompat.Token sessionToken) {
	if (mMediaController != null) {
	mMediaController.unregisterCallback(mControllerCallback);
	mMediaController = null;
	}
	if (sessionToken == null) {
	return;
	}
	if (!mAttachedToWindow) {
	return;
	}
	try {
	mMediaController = new MediaControllerCompat(getContext(), sessionToken);
	} catch (RemoteException e) {
	Log.e(TAG, "Error creating media controller in setMediaSession.", e);
	}
	if (mMediaController != null) {
	mMediaController.registerCallback(mControllerCallback);
	}
	MediaMetadataCompat metadata = mMediaController == null ? null
	: mMediaController.getMetadata();
	mDescription = metadata == null ? null : metadata.getDescription();
	mState = mMediaController == null ? null : mMediaController.getPlaybackState();
	update();
	}

	/**
	* Gets the description being used by the default UI.
	*
	* @return The current description.
	*/
	public MediaSessionCompat.Token getMediaSession() {
	return mMediaController == null ? null : mMediaController.getSessionToken();
	}

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);

	getWindow().requestFeature(Window.FEATURE_NO_TITLE);

	setContentView(R.layout.mr_media_route_controller_material_dialog_b);

	ClickListener listener = new ClickListener();

	mDisconnectButton = (Button) findViewById(R.id.disconnect);
	mDisconnectButton.setOnClickListener(listener);

	mStopCastingButton = (Button) findViewById(R.id.stop);
	mStopCastingButton.setOnClickListener(listener);

	mSettingsButton = (ImageButton) findViewById(R.id.settings);
	mSettingsButton.setOnClickListener(listener);

	mArtView = (ImageView) findViewById(R.id.art);
	mTitleView = (TextView) findViewById(R.id.title);
	mSubtitleView = (TextView) findViewById(R.id.subtitle);
	mTitlesWrapper = findViewById(R.id.text_wrapper);
	mPlayPauseButton = (ImageButton) findViewById(R.id.play_pause);
	mPlayPauseButton.setOnClickListener(listener);
	mRouteNameView = (TextView) findViewById(R.id.route_name);

	mCreated = true;
	if (update()) {
	mControlView = onCreateMediaControlView(savedInstanceState);
	FrameLayout controlFrame =
	(FrameLayout)findViewById(R.id.media_route_control_frame);
	if (mControlView != null) {
	controlFrame.findViewById(R.id.default_control_frame).setVisibility(View.GONE);
	controlFrame.addView(mControlView);
	}
	}
	}

	@Override
	public void onAttachedToWindow() {
	super.onAttachedToWindow();
	mAttachedToWindow = true;

	mRouter.addCallback(MediaRouteSelector.EMPTY, mCallback,
	MediaRouter.CALLBACK_FLAG_UNFILTERED_EVENTS);
	setMediaSession(mRouter.getMediaSessionToken());
	}

	@Override
	public void onDetachedFromWindow() {
	mRouter.removeCallback(mCallback);
	setMediaSession(null);
	mAttachedToWindow = false;
	super.onDetachedFromWindow();
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
	if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
	\|\| keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
	mRoute.requestUpdateVolume(keyCode == KeyEvent.KEYCODE_VOLUME_DOWN ? -1 : 1);
	return true;
	}
	return super.onKeyDown(keyCode, event);
	}

	@Override
	public boolean onKeyUp(int keyCode, KeyEvent event) {
	if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
	\|\| keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
	return true;
	}
	return super.onKeyUp(keyCode, event);
	}

	private boolean update() {
	if (!mRoute.isSelected() \|\| mRoute.isDefault()) {
	dismiss();
	return false;
	}
	if (!mCreated) {
	return false;
	}

	mRouteNameView.setText(mRoute.getName());

	if (mRoute.canDisconnect()) {
	mDisconnectButton.setVisibility(View.VISIBLE);
	} else {
	mDisconnectButton.setVisibility(View.GONE);
	}

	if (mRoute.getSettingsIntent() != null) {
	mSettingsButton.setVisibility(View.VISIBLE);
	} else {
	mSettingsButton.setVisibility(View.GONE);
	}

	if (mControlView == null) {
	if (mDescription != null) {
	if (mDescription.getIconBitmap() != null) {
	mArtView.setImageBitmap(mDescription.getIconBitmap());
	mArtView.setVisibility(View.VISIBLE);
	} else if (mDescription.getIconUri() != null) {
	// TODO replace with background load of icon
	mArtView.setImageURI(mDescription.getIconUri());
	mArtView.setVisibility(View.VISIBLE);
	} else {
	mArtView.setImageDrawable(null);
	mArtView.setVisibility(View.GONE);
	}

	boolean haveText = false;
	CharSequence text = mDescription.getTitle();
	if (!TextUtils.isEmpty(text)) {
	mTitleView.setText(text);
	haveText = true;
	} else {
	mTitleView.setText(null);
	mTitleView.setVisibility(View.GONE);
	}
	text = mDescription.getSubtitle();
	if (!TextUtils.isEmpty(text)) {
	mSubtitleView.setText(mDescription.getSubtitle());
	haveText = true;
	} else {
	mSubtitleView.setText(null);
	mSubtitleView.setVisibility(View.GONE);
	}
	if (!haveText) {
	mTitlesWrapper.setVisibility(View.GONE);
	} else {
	mTitlesWrapper.setVisibility(View.VISIBLE);
	}
	} else {
	mArtView.setVisibility(View.GONE);
	mTitlesWrapper.setVisibility(View.GONE);
	}
	if (mState != null) {
	boolean isPlaying = mState.getState() == PlaybackStateCompat.STATE_BUFFERING
	\|\| mState.getState() == PlaybackStateCompat.STATE_PLAYING;
	boolean supportsPlay = (mState.getActions() & (PlaybackStateCompat.ACTION_PLAY
	\| PlaybackStateCompat.ACTION_PLAY_PAUSE)) != 0;
	boolean supportsPause = (mState.getActions() & (PlaybackStateCompat.ACTION_PAUSE
	\| PlaybackStateCompat.ACTION_PLAY_PAUSE)) != 0;
	if (isPlaying && supportsPause) {
	mPlayPauseButton.setVisibility(View.VISIBLE);
	mPlayPauseButton.setImageResource(MediaRouterThemeHelper.getThemeResource(
	getContext(), R.attr.mediaRoutePauseDrawable));
	mPlayPauseButton.setContentDescription(getContext().getResources()
	.getText(R.string.mr_media_route_controller_pause));
	} else if (!isPlaying && supportsPlay) {
	mPlayPauseButton.setVisibility(View.VISIBLE);
	mPlayPauseButton.setImageResource(MediaRouterThemeHelper.getThemeResource(
	getContext(), R.attr.mediaRoutePlayDrawable));
	mPlayPauseButton.setContentDescription(getContext().getResources()
	.getText(R.string.mr_media_route_controller_play));
	} else {
	mPlayPauseButton.setVisibility(View.GONE);
	}
	} else {
	mPlayPauseButton.setVisibility(View.GONE);
	}
	}
	return true;
	}

	private Drawable getIconDrawable() {
	if (mRoute.isConnecting()) {
	if (mMediaRouteConnectingDrawable == null) {
	mMediaRouteConnectingDrawable = MediaRouterThemeHelper.getThemeDrawable(
	getContext(), R.attr.mediaRouteConnectingDrawable);
	}
	return mMediaRouteConnectingDrawable;
	} else {
	if (mMediaRouteOnDrawable == null) {
	mMediaRouteOnDrawable = MediaRouterThemeHelper.getThemeDrawable(
	getContext(), R.attr.mediaRouteOnDrawable);
	}
	return mMediaRouteOnDrawable;
	}
	}

	private final class MediaRouterCallback extends MediaRouter.Callback {
	@Override
	public void onRouteUnselected(MediaRouter router, MediaRouter.RouteInfo route) {
	update();
	}

	@Override
	public void onRouteChanged(MediaRouter router, MediaRouter.RouteInfo route) {
	update();
	}

	@Override
	public void onRouteVolumeChanged(MediaRouter router, MediaRouter.RouteInfo route) {
	if (route == mRoute) {
	}
	}
	}

	private final class MediaControllerCallback extends MediaControllerCompat.Callback {
	@Override
	public void onSessionDestroyed() {
	if (mMediaController != null) {
	mMediaController.unregisterCallback(mControllerCallback);
	mMediaController = null;
	}
	}

	@Override
	public void onPlaybackStateChanged(PlaybackStateCompat state) {
	mState = state;
	update();
	}

	@Override
	public void onMetadataChanged(MediaMetadataCompat metadata) {
	mDescription = metadata == null ? null : metadata.getDescription();
	update();
	}
	}

	private final class ClickListener implements View.OnClickListener {
	@Override
	public void onClick(View v) {
	int id = v.getId();
	if (id == R.id.stop \|\| id == R.id.disconnect) {
	if (mRoute.isSelected()) {
	mRouter.unselect(id == R.id.stop ?
	MediaRouter.UNSELECT_REASON_STOPPED :
	MediaRouter.UNSELECT_REASON_DISCONNECTED);
	}
	dismiss();
	} else if (id == R.id.play_pause) {
	if (mMediaController != null && mState != null) {
	if (mState.getState() == PlaybackStateCompat.STATE_PLAYING) {
	mMediaController.getTransportControls().pause();
	} else {
	mMediaController.getTransportControls().play();
	}
	}
	} else if (id == R.id.settings) {
	IntentSender is = mRoute.getSettingsIntent();
	if (is != null) {
	try {
	is.sendIntent(null, 0, null, null, null);
	dismiss();
	} catch (Exception e) {
	Log.e(TAG, "Error opening route settings.", e);
	}
	}
	}
	}
	}
	}