| /* |
| * 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.volume; |
| |
| import android.content.Context; |
| import android.os.Handler; |
| import android.util.AttributeSet; |
| import android.view.GestureDetector; |
| import android.view.MotionEvent; |
| |
| import com.android.keyguard.AlphaOptimizedImageButton; |
| import com.android.systemui.R; |
| |
| /** Toggle button in Volume Dialog that allows extra state for when streams are opted-out */ |
| public class CaptionsToggleImageButton extends AlphaOptimizedImageButton { |
| |
| private static final int[] OPTED_OUT_STATE = new int[] { R.attr.optedOut }; |
| |
| private ConfirmedTapListener mConfirmedTapListener; |
| private boolean mComponentEnabled = false; |
| private boolean mOptedOut = false; |
| |
| private GestureDetector mGestureDetector; |
| private GestureDetector.SimpleOnGestureListener mGestureListener = |
| new GestureDetector.SimpleOnGestureListener() { |
| @Override |
| public boolean onSingleTapConfirmed(MotionEvent e) { |
| if (mConfirmedTapListener != null) { |
| mConfirmedTapListener.onConfirmedTap(); |
| return true; |
| } |
| return false; |
| } |
| }; |
| |
| public CaptionsToggleImageButton(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| if (mGestureDetector != null) mGestureDetector.onTouchEvent(event); |
| return super.onTouchEvent(event); |
| } |
| |
| @Override |
| public int[] onCreateDrawableState(int extraSpace) { |
| int[] state = super.onCreateDrawableState(extraSpace + 1); |
| if (mOptedOut) { |
| mergeDrawableStates(state, OPTED_OUT_STATE); |
| } |
| return state; |
| } |
| |
| Runnable setComponentEnabled(boolean isComponentEnabled) { |
| this.mComponentEnabled = isComponentEnabled; |
| |
| return this.setImageResourceAsync(this.mComponentEnabled |
| ? R.drawable.ic_volume_odi_captions |
| : R.drawable.ic_volume_odi_captions_disabled); |
| } |
| |
| boolean getComponentEnabled() { |
| return this.mComponentEnabled; |
| } |
| |
| /** Sets whether or not the current stream has opted out of captions */ |
| void setOptedOut(boolean isOptedOut) { |
| this.mOptedOut = isOptedOut; |
| refreshDrawableState(); |
| } |
| |
| boolean getOptedOut() { |
| return this.mOptedOut; |
| } |
| |
| void setOnConfirmedTapListener(ConfirmedTapListener listener, Handler handler) { |
| mConfirmedTapListener = listener; |
| |
| if (mGestureDetector == null) { |
| this.mGestureDetector = new GestureDetector(getContext(), mGestureListener, handler); |
| } |
| } |
| |
| /** Listener for confirmed taps rather than normal on click listener. */ |
| interface ConfirmedTapListener { |
| void onConfirmedTap(); |
| } |
| } |