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/*
* Copyright (C) 2015 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.tv.menu;
import android.R.integer;
import android.animation.ValueAnimator;
import android.content.Context;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;
import com.android.tv.R;
public class PlayControlsButton extends FrameLayout {
private static final float ALPHA_ENABLED = 1.0f;
private static final float ALPHA_DISABLED = 0.3f;
private final ImageView mButton;
private final ImageView mIcon;
private final TextView mLabel;
private final long mFocusAnimationTimeMs;
private final int mIconColor;
private int mIconFocusedColor;
private int mImageResourceId;
private int mTintColor;
public PlayControlsButton(Context context) {
this(context, null);
}
public PlayControlsButton(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public PlayControlsButton(Context context, AttributeSet attrs, int defStyleAttr) {
this(context, attrs, defStyleAttr, 0);
}
public PlayControlsButton(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
inflate(context, R.layout.play_controls_button, this);
mButton = (ImageView) findViewById(R.id.button);
mIcon = (ImageView) findViewById(R.id.icon);
mLabel = (TextView) findViewById(R.id.label);
mFocusAnimationTimeMs = context.getResources().getInteger(integer.config_shortAnimTime);
mIconColor = context.getResources().getColor(R.color.play_controls_icon_color);
mIconFocusedColor = mIconColor;
}
/**
* Sets the resource ID of the image to be displayed in the center of this control.
*/
public void setImageResId(int imageResId) {
int newTintColor = hasFocus() ? mIconFocusedColor : mIconColor;
if (mImageResourceId != imageResId) {
mImageResourceId = imageResId;
mIcon.setImageResource(imageResId);
updateTint(newTintColor);
} else if (newTintColor != mTintColor) {
updateTint(newTintColor);
}
}
private void updateTint(int tintColor) {
mTintColor = tintColor;
// Since on focus changing, icons' color should be switched with animation,
// as a result, selectors cannot be used to switch colors in this case.
mIcon.getDrawable().setTint(tintColor);
}
/**
* Sets an action which is to be run when the button is clicked.
*/
public void setAction(final Runnable clickAction) {
mButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
clickAction.run();
}
});
}
/**
* Sets the icon's color should change to when the button is on focus.
*/
public void setFocusedIconColor(int color) {
final ValueAnimator valueAnimator = ValueAnimator.ofArgb(mIconColor, color);
valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(final ValueAnimator animator) {
mIcon.getDrawable().setTint((int) animator.getAnimatedValue());
}
});
valueAnimator.setDuration(mFocusAnimationTimeMs);
mButton.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if (hasFocus) {
valueAnimator.start();
} else {
valueAnimator.reverse();
}
}
});
mIconFocusedColor = color;
}
public void setLabel(String label) {
if (TextUtils.isEmpty(label)) {
mIcon.setVisibility(View.VISIBLE);
mLabel.setVisibility(View.GONE);
} else {
mIcon.setVisibility(View.GONE);
mLabel.setVisibility(View.VISIBLE);
if (!TextUtils.equals(mLabel.getText(), label)) {
mLabel.setText(label);
}
}
}
public void hideRippleAnimation() {
mButton.getDrawable().jumpToCurrentState();
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
mButton.setEnabled(enabled);
mButton.setFocusable(enabled);
mIcon.setEnabled(enabled);
mIcon.setAlpha(enabled ? ALPHA_ENABLED : ALPHA_DISABLED);
mLabel.setEnabled(enabled);
}
}
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