| /* |
| * Copyright (C) 2016 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 com.android.systemui.tv.pip; |
| |
| import android.content.Context; |
| import android.media.session.MediaController; |
| import android.media.session.PlaybackState; |
| import android.view.View; |
| import android.view.Gravity; |
| import android.view.LayoutInflater; |
| import android.view.View.OnFocusChangeListener; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| import android.widget.LinearLayout; |
| import android.util.AttributeSet; |
| |
| import com.android.systemui.R; |
| |
| import static android.media.session.PlaybackState.ACTION_PAUSE; |
| import static android.media.session.PlaybackState.ACTION_PLAY; |
| |
| import static com.android.systemui.tv.pip.PipManager.PLAYBACK_STATE_PLAYING; |
| import static com.android.systemui.tv.pip.PipManager.PLAYBACK_STATE_PAUSED; |
| import static com.android.systemui.tv.pip.PipManager.PLAYBACK_STATE_UNAVAILABLE; |
| |
| |
| /** |
| * A view containing PIP controls including fullscreen, close, and media controls. |
| */ |
| public class PipControlsView extends LinearLayout { |
| /** |
| * An interface to listen user action. |
| */ |
| public abstract static interface Listener { |
| /** |
| * Called when an user clicks close PIP button. |
| */ |
| public abstract void onClosed(); |
| }; |
| |
| private MediaController mMediaController; |
| |
| final PipManager mPipManager = PipManager.getInstance(); |
| Listener mListener; |
| |
| private PipControlButtonView mFullButtonView; |
| private PipControlButtonView mCloseButtonView; |
| private PipControlButtonView mPlayPauseButtonView; |
| |
| private boolean mHasFocus; |
| private OnFocusChangeListener mOnChildFocusChangeListener; |
| |
| private MediaController.Callback mMediaControllerCallback = new MediaController.Callback() { |
| @Override |
| public void onPlaybackStateChanged(PlaybackState state) { |
| updatePlayPauseView(); |
| } |
| }; |
| |
| private final PipManager.MediaListener mPipMediaListener = new PipManager.MediaListener() { |
| @Override |
| public void onMediaControllerChanged() { |
| updateMediaController(); |
| } |
| }; |
| |
| private final OnFocusChangeListener mFocusChangeListener = new OnFocusChangeListener() { |
| @Override |
| public void onFocusChange(View v, boolean hasFocus) { |
| onChildViewFocusChanged(); |
| } |
| }; |
| |
| public PipControlsView(Context context) { |
| this(context, null, 0, 0); |
| } |
| |
| public PipControlsView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0, 0); |
| } |
| |
| public PipControlsView(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public PipControlsView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| LayoutInflater inflater = (LayoutInflater) getContext() |
| .getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| inflater.inflate(R.layout.tv_pip_controls, this); |
| |
| setOrientation(LinearLayout.HORIZONTAL); |
| setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL); |
| } |
| |
| @Override |
| public void onFinishInflate() { |
| super.onFinishInflate(); |
| |
| mFullButtonView = (PipControlButtonView) findViewById(R.id.full_button); |
| mFullButtonView.setOnFocusChangeListener(mFocusChangeListener); |
| mFullButtonView.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| mPipManager.movePipToFullscreen(); |
| } |
| }); |
| |
| mCloseButtonView = (PipControlButtonView) findViewById(R.id.close_button); |
| mCloseButtonView.setOnFocusChangeListener(mFocusChangeListener); |
| mCloseButtonView.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| mPipManager.closePip(); |
| if (mListener != null) { |
| mListener.onClosed(); |
| } |
| } |
| }); |
| |
| mPlayPauseButtonView = (PipControlButtonView) findViewById(R.id.play_pause_button); |
| mPlayPauseButtonView.setOnFocusChangeListener(mFocusChangeListener); |
| mPlayPauseButtonView.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| if (mMediaController == null || mMediaController.getPlaybackState() == null) { |
| return; |
| } |
| long actions = mMediaController.getPlaybackState().getActions(); |
| int state = mMediaController.getPlaybackState().getState(); |
| if (mPipManager.getPlaybackState() == PLAYBACK_STATE_PAUSED) { |
| mMediaController.getTransportControls().play(); |
| } else if (mPipManager.getPlaybackState() == PLAYBACK_STATE_PLAYING) { |
| mMediaController.getTransportControls().pause(); |
| } |
| // View will be updated later in {@link mMediaControllerCallback} |
| } |
| }); |
| } |
| |
| @Override |
| public void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| updateMediaController(); |
| mPipManager.addMediaListener(mPipMediaListener); |
| } |
| |
| @Override |
| public void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| mPipManager.removeMediaListener(mPipMediaListener); |
| if (mMediaController != null) { |
| mMediaController.unregisterCallback(mMediaControllerCallback); |
| } |
| } |
| |
| private void updateMediaController() { |
| MediaController newController = mPipManager.getMediaController(); |
| if (mMediaController == newController) { |
| return; |
| } |
| if (mMediaController != null) { |
| mMediaController.unregisterCallback(mMediaControllerCallback); |
| } |
| mMediaController = newController; |
| if (mMediaController != null) { |
| mMediaController.registerCallback(mMediaControllerCallback); |
| } |
| updatePlayPauseView(); |
| } |
| |
| private void updatePlayPauseView() { |
| int state = mPipManager.getPlaybackState(); |
| if (state == PLAYBACK_STATE_UNAVAILABLE) { |
| mPlayPauseButtonView.setVisibility(View.GONE); |
| } else { |
| mPlayPauseButtonView.setVisibility(View.VISIBLE); |
| if (state == PLAYBACK_STATE_PLAYING) { |
| mPlayPauseButtonView.setImageResource(R.drawable.ic_pause_white_24dp); |
| mPlayPauseButtonView.setText(R.string.pip_pause); |
| } else { |
| mPlayPauseButtonView.setImageResource(R.drawable.ic_play_arrow_white_24dp); |
| mPlayPauseButtonView.setText(R.string.pip_play); |
| } |
| } |
| } |
| |
| /** |
| * Sets a listener to be invoked when {@link android.view.View.hasFocus()} is changed. |
| */ |
| public void setOnChildFocusChangeListener(OnFocusChangeListener listener) { |
| mOnChildFocusChangeListener = listener; |
| } |
| |
| private void onChildViewFocusChanged() { |
| // At this moment, hasFocus() returns true although there's no focused child. |
| boolean hasFocus = (mFullButtonView != null && mFullButtonView.isFocused()) |
| || (mPlayPauseButtonView != null && mPlayPauseButtonView.isFocused()) |
| || (mCloseButtonView != null && mCloseButtonView.isFocused()); |
| if (mHasFocus != hasFocus) { |
| mHasFocus = hasFocus; |
| if (mOnChildFocusChangeListener != null) { |
| mOnChildFocusChangeListener.onFocusChange(getFocusedChild(), mHasFocus); |
| } |
| } |
| } |
| |
| /** |
| * Sets the {@link Listener} to listen user actions. |
| */ |
| public void setListener(Listener listener) { |
| mListener = listener; |
| } |
| } |