| /* |
| * 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.pip.tv; |
| |
| import android.app.ActivityManager; |
| import android.app.PendingIntent.CanceledException; |
| import android.app.RemoteAction; |
| import android.content.Context; |
| import android.graphics.Color; |
| import android.media.session.MediaController; |
| import android.media.session.PlaybackState; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.util.Log; |
| import android.view.View; |
| import android.view.Gravity; |
| import android.view.LayoutInflater; |
| import android.widget.ImageView; |
| 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 java.util.ArrayList; |
| import java.util.List; |
| |
| |
| /** |
| * A view containing PIP controls including fullscreen, close, and media controls. |
| */ |
| public class PipControlsView extends LinearLayout { |
| |
| private static final String TAG = PipControlsView.class.getSimpleName(); |
| |
| private static final float DISABLED_ACTION_ALPHA = 0.54f; |
| |
| /** |
| * 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; |
| |
| private final PipManager mPipManager = PipManager.getInstance(); |
| private final LayoutInflater mLayoutInflater; |
| private final Handler mHandler; |
| private Listener mListener; |
| |
| private PipControlButtonView mFullButtonView; |
| private PipControlButtonView mCloseButtonView; |
| private PipControlButtonView mPlayPauseButtonView; |
| private ArrayList<PipControlButtonView> mCustomButtonViews = new ArrayList<>(); |
| private List<RemoteAction> mCustomActions = new ArrayList<>(); |
| |
| private PipControlButtonView mFocusedChild; |
| |
| private MediaController.Callback mMediaControllerCallback = new MediaController.Callback() { |
| @Override |
| public void onPlaybackStateChanged(PlaybackState state) { |
| updateUserActions(); |
| } |
| }; |
| |
| private final PipManager.MediaListener mPipMediaListener = new PipManager.MediaListener() { |
| @Override |
| public void onMediaControllerChanged() { |
| updateMediaController(); |
| } |
| }; |
| |
| private final OnFocusChangeListener mFocusChangeListener = new OnFocusChangeListener() { |
| @Override |
| public void onFocusChange(View view, boolean hasFocus) { |
| if (hasFocus) { |
| mFocusedChild = (PipControlButtonView) view; |
| } else if (mFocusedChild == view) { |
| mFocusedChild = null; |
| } |
| } |
| }; |
| |
| 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); |
| mLayoutInflater = (LayoutInflater) getContext() |
| .getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| mLayoutInflater.inflate(R.layout.tv_pip_controls, this); |
| mHandler = new Handler(); |
| |
| setOrientation(LinearLayout.HORIZONTAL); |
| setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL); |
| } |
| |
| @Override |
| public void onFinishInflate() { |
| super.onFinishInflate(); |
| |
| mFullButtonView = findViewById(R.id.full_button); |
| mFullButtonView.setOnFocusChangeListener(mFocusChangeListener); |
| mFullButtonView.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| mPipManager.movePipToFullscreen(); |
| } |
| }); |
| |
| mCloseButtonView = 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 = 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() == PipManager.PLAYBACK_STATE_PAUSED) { |
| mMediaController.getTransportControls().play(); |
| } else if (mPipManager.getPlaybackState() == PipManager.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); |
| } |
| updateUserActions(); |
| } |
| |
| /** |
| * Updates the actions for the PIP. If there are no custom actions, then the media session |
| * actions are shown. |
| */ |
| private void updateUserActions() { |
| if (!mCustomActions.isEmpty()) { |
| // Ensure we have as many buttons as actions |
| while (mCustomButtonViews.size() < mCustomActions.size()) { |
| PipControlButtonView buttonView = (PipControlButtonView) mLayoutInflater.inflate( |
| R.layout.tv_pip_custom_control, this, false); |
| addView(buttonView); |
| mCustomButtonViews.add(buttonView); |
| } |
| |
| // Update the visibility of all views |
| for (int i = 0; i < mCustomButtonViews.size(); i++) { |
| mCustomButtonViews.get(i).setVisibility(i < mCustomActions.size() |
| ? View.VISIBLE |
| : View.GONE); |
| } |
| |
| // Update the state and visibility of the action buttons, and hide the rest |
| for (int i = 0; i < mCustomActions.size(); i++) { |
| final RemoteAction action = mCustomActions.get(i); |
| PipControlButtonView actionView = mCustomButtonViews.get(i); |
| |
| // TODO: Check if the action drawable has changed before we reload it |
| action.getIcon().loadDrawableAsync(getContext(), d -> { |
| d.setTint(Color.WHITE); |
| actionView.setImageDrawable(d); |
| }, mHandler); |
| actionView.setText(action.getContentDescription()); |
| if (action.isEnabled()) { |
| actionView.setOnClickListener(v -> { |
| try { |
| action.getActionIntent().send(); |
| } catch (CanceledException e) { |
| Log.w(TAG, "Failed to send action", e); |
| } |
| }); |
| } |
| actionView.setEnabled(action.isEnabled()); |
| actionView.setAlpha(action.isEnabled() ? 1f : DISABLED_ACTION_ALPHA); |
| } |
| |
| // Hide the media session buttons |
| mPlayPauseButtonView.setVisibility(View.GONE); |
| } else { |
| int state = mPipManager.getPlaybackState(); |
| if (state == PipManager.PLAYBACK_STATE_UNAVAILABLE) { |
| mPlayPauseButtonView.setVisibility(View.GONE); |
| } else { |
| mPlayPauseButtonView.setVisibility(View.VISIBLE); |
| if (state == PipManager.PLAYBACK_STATE_PLAYING) { |
| mPlayPauseButtonView.setImageResource(R.drawable.ic_pause_white); |
| mPlayPauseButtonView.setText(R.string.pip_pause); |
| } else { |
| mPlayPauseButtonView.setImageResource(R.drawable.ic_play_arrow_white); |
| mPlayPauseButtonView.setText(R.string.pip_play); |
| } |
| } |
| |
| // Hide all the custom action buttons |
| for (int i = 0; i < mCustomButtonViews.size(); i++) { |
| mCustomButtonViews.get(i).setVisibility(View.GONE); |
| } |
| } |
| } |
| |
| /** |
| * Resets to initial state. |
| */ |
| public void reset() { |
| mFullButtonView.reset(); |
| mCloseButtonView.reset(); |
| mPlayPauseButtonView.reset(); |
| mFullButtonView.requestFocus(); |
| for (int i = 0; i < mCustomButtonViews.size(); i++) { |
| mCustomButtonViews.get(i).reset(); |
| } |
| } |
| |
| /** |
| * Sets the {@link Listener} to listen user actions. |
| */ |
| public void setListener(Listener listener) { |
| mListener = listener; |
| } |
| |
| /** |
| * Updates the set of activity-defined actions. |
| */ |
| public void setActions(List<RemoteAction> actions) { |
| mCustomActions.clear(); |
| mCustomActions.addAll(actions); |
| updateUserActions(); |
| } |
| |
| /** |
| * Returns the focused control button view to animate focused button. |
| */ |
| PipControlButtonView getFocusedButton() { |
| return mFocusedChild; |
| } |
| } |