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/*
* Copyright (C) 2016 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.ui;
import android.animation.Animator;
import android.animation.AnimatorInflater;
import android.animation.AnimatorListenerAdapter;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.widget.FrameLayout;
import android.widget.ImageView;
import com.android.tv.R;
import com.android.tv.common.SoftPreconditions;
/**
* A view to block the screen while tuning channels.
*/
public class TuningBlockView extends FrameLayout{
private final static String TAG = "TuningBlockView";
private ImageView mImageView;
private Animator mFadeOut;
public TuningBlockView(Context context) {
this(context, null, 0);
}
public TuningBlockView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public TuningBlockView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mImageView = (ImageView) findViewById(R.id.image);
mFadeOut = AnimatorInflater.loadAnimator(
getContext(), R.animator.tuning_block_view_fade_out);
mFadeOut.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
setVisibility(GONE);
}
});
mFadeOut.setTarget(mImageView);
}
/**
* Sets image to the image view. This method should be called after finishing inflate the view.
*/
public void setImage(Drawable imageDrawable) {
SoftPreconditions.checkState(mImageView != null, TAG, "imageView is null");
mImageView.setImageDrawable(imageDrawable);
}
/**
* Sets the visibility of image view.
* This method should be called after finishing inflate the view.
*/
public void setImageVisibility(boolean visible) {
SoftPreconditions.checkState(mImageView != null, TAG, "imageView is null");
mImageView.setAlpha(1.0f);
mImageView.setVisibility(visible ? VISIBLE: GONE);
}
/**
* Returns if the image view is visible.
* This method should be called after finishing inflate the view.
*/
public boolean isImageArtVisible() {
SoftPreconditions.checkState(mImageView != null, TAG, "imageView is null");
return mImageView.getVisibility() == VISIBLE;
}
/**
* Hides the view with animation if needed.
*/
public void hideWithAnimationIfNeeded() {
if (getVisibility() == VISIBLE && isImageArtVisible()) {
mFadeOut.start();
} else {
setVisibility(GONE);
}
}
/**
* Ends the fade out animator.
*/
public void endFadeOutAnimator() {
if (mFadeOut != null && mFadeOut.isRunning()) {
mFadeOut.end();
}
}
}
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