/*
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* Copyright (C) 2016 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.pip.tv;
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import android.animation.Animator;
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import android.animation.AnimatorInflater;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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import com.android.systemui.R;
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/**
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* A view containing PIP controls including fullscreen, close, and media controls.
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*/
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public class PipControlButtonView extends RelativeLayout {
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private OnFocusChangeListener mFocusChangeListener;
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private ImageView mIconImageView;
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ImageView mButtonImageView;
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private TextView mDescriptionTextView;
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private Animator mTextFocusGainAnimator;
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private Animator mButtonFocusGainAnimator;
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private Animator mTextFocusLossAnimator;
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private Animator mButtonFocusLossAnimator;
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private final OnFocusChangeListener mInternalFocusChangeListener =
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new OnFocusChangeListener() {
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@Override
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public void onFocusChange(View v, boolean hasFocus) {
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if (hasFocus) {
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startFocusGainAnimation();
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} else {
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startFocusLossAnimation();
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}
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if (mFocusChangeListener != null) {
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mFocusChangeListener.onFocusChange(PipControlButtonView.this, hasFocus);
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}
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}
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};
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public PipControlButtonView(Context context) {
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this(context, null, 0, 0);
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}
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public PipControlButtonView(Context context, AttributeSet attrs) {
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this(context, attrs, 0, 0);
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}
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public PipControlButtonView(Context context, AttributeSet attrs, int defStyleAttr) {
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this(context, attrs, defStyleAttr, 0);
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}
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public PipControlButtonView(
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Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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LayoutInflater inflater = (LayoutInflater) getContext()
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.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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inflater.inflate(R.layout.tv_pip_control_button, this);
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mIconImageView = findViewById(R.id.icon);
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mButtonImageView = findViewById(R.id.button);
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mDescriptionTextView = findViewById(R.id.desc);
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int[] values = new int[] {android.R.attr.src, android.R.attr.text};
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TypedArray typedArray =
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context.obtainStyledAttributes(attrs, values, defStyleAttr, defStyleRes);
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setImageResource(typedArray.getResourceId(0, 0));
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setText(typedArray.getResourceId(1, 0));
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typedArray.recycle();
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}
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@Override
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public void onFinishInflate() {
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super.onFinishInflate();
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mButtonImageView.setOnFocusChangeListener(mInternalFocusChangeListener);
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mTextFocusGainAnimator = AnimatorInflater.loadAnimator(getContext(),
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R.anim.tv_pip_controls_focus_gain_animation);
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mTextFocusGainAnimator.setTarget(mDescriptionTextView);
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mButtonFocusGainAnimator = AnimatorInflater.loadAnimator(getContext(),
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R.anim.tv_pip_controls_focus_gain_animation);
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mButtonFocusGainAnimator.setTarget(mButtonImageView);
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mTextFocusLossAnimator = AnimatorInflater.loadAnimator(getContext(),
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R.anim.tv_pip_controls_focus_loss_animation);
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mTextFocusLossAnimator.setTarget(mDescriptionTextView);
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mButtonFocusLossAnimator = AnimatorInflater.loadAnimator(getContext(),
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R.anim.tv_pip_controls_focus_loss_animation);
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mButtonFocusLossAnimator.setTarget(mButtonImageView);
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}
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@Override
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public void setOnClickListener(OnClickListener listener) {
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mButtonImageView.setOnClickListener(listener);
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}
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@Override
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public void setOnFocusChangeListener(OnFocusChangeListener listener) {
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mFocusChangeListener = listener;
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}
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/**
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* Sets the drawable for the button with the given drawable.
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*/
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public void setImageDrawable(Drawable d) {
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mIconImageView.setImageDrawable(d);
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}
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/**
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* Sets the drawable for the button with the given resource id.
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*/
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public void setImageResource(int resId) {
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if (resId != 0) {
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mIconImageView.setImageResource(resId);
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}
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}
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/**
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* Sets the text for description the with the given string.
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*/
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public void setText(CharSequence text) {
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mButtonImageView.setContentDescription(text);
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mDescriptionTextView.setText(text);
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}
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/**
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* Sets the text for description the with the given resource id.
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*/
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public void setText(int resId) {
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if (resId != 0) {
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mButtonImageView.setContentDescription(getContext().getString(resId));
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mDescriptionTextView.setText(resId);
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}
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}
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private static void cancelAnimator(Animator animator) {
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if (animator.isStarted()) {
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animator.cancel();
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}
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}
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/**
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* Starts the focus gain animation.
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*/
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public void startFocusGainAnimation() {
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cancelAnimator(mButtonFocusLossAnimator);
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cancelAnimator(mTextFocusLossAnimator);
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mTextFocusGainAnimator.start();
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if (mButtonImageView.getAlpha() < 1f) {
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// If we had faded out the ripple drawable, run our manual focus change animation.
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// See the comment at {@link #startFocusLossAnimation()} for the reason of manual
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// animator.
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mButtonFocusGainAnimator.start();
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}
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}
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/**
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* Starts the focus loss animation.
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*/
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public void startFocusLossAnimation() {
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cancelAnimator(mButtonFocusGainAnimator);
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cancelAnimator(mTextFocusGainAnimator);
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mTextFocusLossAnimator.start();
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if (mButtonImageView.hasFocus()) {
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// Button uses ripple that has the default animation for the focus changes.
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// Howevever, it doesn't expose the API to fade out while it is focused,
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// so we should manually run the fade out animation when PIP controls row loses focus.
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mButtonFocusLossAnimator.start();
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}
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}
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/**
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* Resets to initial state.
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*/
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public void reset() {
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cancelAnimator(mButtonFocusGainAnimator);
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cancelAnimator(mTextFocusGainAnimator);
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cancelAnimator(mButtonFocusLossAnimator);
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cancelAnimator(mTextFocusLossAnimator);
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mButtonImageView.setAlpha(1f);
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mDescriptionTextView.setAlpha(mButtonImageView.hasFocus() ? 1f : 0f);
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}
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}
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