/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui.volume;
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import android.content.Context;
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import android.os.Handler;
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import android.util.AttributeSet;
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import android.view.GestureDetector;
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import android.view.MotionEvent;
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import androidx.core.view.ViewCompat;
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import androidx.core.view.accessibility.AccessibilityNodeInfoCompat.AccessibilityActionCompat;
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import com.android.keyguard.AlphaOptimizedImageButton;
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import com.android.systemui.R;
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/** Toggle button in Volume Dialog that allows extra state for when streams are opted-out */
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public class CaptionsToggleImageButton extends AlphaOptimizedImageButton {
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private static final int[] OPTED_OUT_STATE = new int[] { R.attr.optedOut };
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private ConfirmedTapListener mConfirmedTapListener;
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private boolean mCaptionsEnabled = false;
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private boolean mOptedOut = false;
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private GestureDetector mGestureDetector;
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private GestureDetector.SimpleOnGestureListener mGestureListener =
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new GestureDetector.SimpleOnGestureListener() {
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@Override
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public boolean onSingleTapConfirmed(MotionEvent e) {
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return tryToSendTapConfirmedEvent();
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}
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};
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public CaptionsToggleImageButton(Context context, AttributeSet attrs) {
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super(context, attrs);
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this.setContentDescription(
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getContext().getString(R.string.volume_odi_captions_content_description));
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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if (mGestureDetector != null) mGestureDetector.onTouchEvent(event);
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return super.onTouchEvent(event);
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}
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@Override
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public int[] onCreateDrawableState(int extraSpace) {
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int[] state = super.onCreateDrawableState(extraSpace + 1);
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if (mOptedOut) {
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mergeDrawableStates(state, OPTED_OUT_STATE);
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}
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return state;
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}
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Runnable setCaptionsEnabled(boolean areCaptionsEnabled) {
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this.mCaptionsEnabled = areCaptionsEnabled;
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ViewCompat.replaceAccessibilityAction(
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this,
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AccessibilityActionCompat.ACTION_CLICK,
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mCaptionsEnabled
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? getContext().getString(R.string.volume_odi_captions_hint_disable)
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: getContext().getString(R.string.volume_odi_captions_hint_enable),
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(view, commandArguments) -> tryToSendTapConfirmedEvent());
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return this.setImageResourceAsync(mCaptionsEnabled
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? R.drawable.ic_volume_odi_captions
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: R.drawable.ic_volume_odi_captions_disabled);
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}
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private boolean tryToSendTapConfirmedEvent() {
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if (mConfirmedTapListener != null) {
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mConfirmedTapListener.onConfirmedTap();
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return true;
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}
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return false;
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}
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boolean getCaptionsEnabled() {
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return this.mCaptionsEnabled;
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}
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/** Sets whether or not the current stream has opted out of captions */
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void setOptedOut(boolean isOptedOut) {
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this.mOptedOut = isOptedOut;
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refreshDrawableState();
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}
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boolean getOptedOut() {
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return this.mOptedOut;
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}
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void setOnConfirmedTapListener(ConfirmedTapListener listener, Handler handler) {
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mConfirmedTapListener = listener;
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if (mGestureDetector == null) {
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this.mGestureDetector = new GestureDetector(getContext(), mGestureListener, handler);
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}
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}
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/** Listener for confirmed taps rather than normal on click listener. */
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interface ConfirmedTapListener {
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void onConfirmedTap();
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}
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}
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