| /* |
| * Copyright (C) 2019 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.PendingIntent; |
| import android.app.RemoteAction; |
| import android.graphics.Color; |
| import android.media.session.MediaController; |
| import android.media.session.PlaybackState; |
| import android.os.Handler; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.dagger.qualifiers.Main; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.inject.Inject; |
| |
| /** |
| * Controller for {@link PipControlsView}. |
| */ |
| public class PipControlsViewController { |
| private static final String TAG = PipControlsViewController.class.getSimpleName(); |
| |
| private static final float DISABLED_ACTION_ALPHA = 0.54f; |
| |
| private final PipControlsView mView; |
| private final PipManager mPipManager; |
| private final LayoutInflater mLayoutInflater; |
| private final Handler mHandler; |
| private final PipControlButtonView mPlayPauseButtonView; |
| private MediaController mMediaController; |
| private PipControlButtonView mFocusedChild; |
| private Listener mListener; |
| private ArrayList<PipControlButtonView> mCustomButtonViews = new ArrayList<>(); |
| private List<RemoteAction> mCustomActions = new ArrayList<>(); |
| |
| public PipControlsView getView() { |
| return mView; |
| } |
| |
| /** |
| * An interface to listen user action. |
| */ |
| public interface Listener { |
| /** |
| * Called when a user clicks close PIP button. |
| */ |
| void onClosed(); |
| } |
| |
| private View.OnAttachStateChangeListener |
| mOnAttachStateChangeListener = |
| new View.OnAttachStateChangeListener() { |
| @Override |
| public void onViewAttachedToWindow(View v) { |
| updateMediaController(); |
| mPipManager.addMediaListener(mPipMediaListener); |
| } |
| |
| @Override |
| public void onViewDetachedFromWindow(View v) { |
| mPipManager.removeMediaListener(mPipMediaListener); |
| } |
| }; |
| |
| private MediaController.Callback mMediaControllerCallback = new MediaController.Callback() { |
| @Override |
| public void onPlaybackStateChanged(PlaybackState state) { |
| updateUserActions(); |
| } |
| }; |
| |
| private final PipManager.MediaListener mPipMediaListener = this::updateMediaController; |
| |
| private final View.OnFocusChangeListener |
| mFocusChangeListener = |
| new View.OnFocusChangeListener() { |
| @Override |
| public void onFocusChange(View view, boolean hasFocus) { |
| if (hasFocus) { |
| mFocusedChild = (PipControlButtonView) view; |
| } else if (mFocusedChild == view) { |
| mFocusedChild = null; |
| } |
| } |
| }; |
| |
| |
| @Inject |
| public PipControlsViewController(PipControlsView view, PipManager pipManager, |
| LayoutInflater layoutInflater, @Main Handler handler) { |
| super(); |
| mView = view; |
| mPipManager = pipManager; |
| mLayoutInflater = layoutInflater; |
| mHandler = handler; |
| |
| mView.addOnAttachStateChangeListener(mOnAttachStateChangeListener); |
| if (mView.isAttachedToWindow()) { |
| mOnAttachStateChangeListener.onViewAttachedToWindow(mView); |
| } |
| |
| View fullButtonView = mView.getFullButtonView(); |
| fullButtonView.setOnFocusChangeListener(mFocusChangeListener); |
| fullButtonView.setOnClickListener(v -> mPipManager.movePipToFullscreen()); |
| |
| View closeButtonView = mView.getCloseButtonView(); |
| closeButtonView.setOnFocusChangeListener(mFocusChangeListener); |
| closeButtonView.setOnClickListener(v -> { |
| mPipManager.closePip(); |
| if (mListener != null) { |
| mListener.onClosed(); |
| } |
| }); |
| |
| |
| mPlayPauseButtonView = mView.getPlayPauseButtonView(); |
| mPlayPauseButtonView.setOnFocusChangeListener(mFocusChangeListener); |
| mPlayPauseButtonView.setOnClickListener(v -> { |
| if (mMediaController == null || mMediaController.getPlaybackState() == null) { |
| return; |
| } |
| 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} |
| }); |
| } |
| |
| 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, mView, false); |
| mView.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(mView.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 (PendingIntent.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); |
| } |
| } |
| } |
| |
| |
| /** |
| * 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(); |
| } |
| } |