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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.content.Context;
import android.graphics.Bitmap;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import com.android.tv.MainActivity;
import com.android.tv.R;
import com.android.tv.data.Channel;
import com.android.tv.data.Program;
import com.android.tv.parental.ParentalControlSettings;
import com.android.tv.util.ImageLoader;
/**
* A view to render channel card.
*/
public class ChannelCardView extends BaseCardView<Channel> {
private static final String TAG = MenuView.TAG;
private static final boolean DEBUG = MenuView.DEBUG;
private final float mCardHeight;
private final float mExtendedCardHeight;
private final float mProgramNameViewHeight;
private final float mExtendedTextViewCardHeight;
private final int mCardImageWidth;
private final int mCardImageHeight;
private ImageView mImageView;
private View mGradientView;
private TextView mChannelNumberNameView;
private ProgressBar mProgressBar;
private TextView mMetaViewFocused;
private TextView mMetaViewUnfocused;
private Channel mChannel;
private Program mProgram;
private boolean mExtendViewOnFocus;
private final MainActivity mMainActivity;
public ChannelCardView(Context context) {
this(context, null);
}
public ChannelCardView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public ChannelCardView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mCardImageWidth = getResources().getDimensionPixelSize(R.dimen.card_image_layout_width);
mCardImageHeight = getResources().getDimensionPixelSize(R.dimen.card_image_layout_height);
mCardHeight = getResources().getDimensionPixelSize(R.dimen.card_layout_height);
mExtendedCardHeight = getResources().getDimensionPixelSize(
R.dimen.card_layout_height_extended);
mProgramNameViewHeight = getResources().getDimensionPixelSize(
R.dimen.card_meta_layout_height);
mExtendedTextViewCardHeight = getResources().getDimensionPixelOffset(
R.dimen.card_meta_layout_height_extended);
mMainActivity = (MainActivity) context;
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mImageView = (ImageView) findViewById(R.id.image);
mGradientView = findViewById(R.id.image_gradient);
mChannelNumberNameView = (TextView) findViewById(R.id.channel_number_and_name);
mMetaViewFocused = (TextView) findViewById(R.id.channel_title_focused);
mMetaViewUnfocused = (TextView) findViewById(R.id.channel_title_unfocused);
mProgressBar = (ProgressBar) findViewById(R.id.progress);
}
@Override
public void onBind(Channel channel, boolean selected) {
if (DEBUG) {
Log.d(TAG, "onBind(channelName=" + channel.getDisplayName() + ", selected=" + selected
+ ")");
}
mChannel = channel;
mProgram = null;
if (TextUtils.isEmpty(mChannel.getDisplayName())) {
mChannelNumberNameView.setText(mChannel.getDisplayNumber());
} else {
mChannelNumberNameView.setText(mChannel.getDisplayNumber() + " "
+ mChannel.getDisplayName());
}
mChannelNumberNameView.setVisibility(VISIBLE);
mImageView.setImageResource(R.drawable.ic_recent_thumbnail_default);
mImageView.setBackgroundResource(R.color.channel_card);
mGradientView.setVisibility(View.GONE);
mProgressBar.setVisibility(GONE);
setMetaViewEnabled(true);
if (mMainActivity.getParentalControlSettings().isParentalControlsEnabled()
&& mChannel.isLocked()) {
setMetaViewText(R.string.program_title_for_blocked_channel);
return;
} else {
setMetaViewText("");
}
updateProgramInformation();
mMetaViewFocused.measure(
MeasureSpec.makeMeasureSpec(mCardImageWidth, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
if (mExtendViewOnFocus = mMetaViewFocused.getLineCount() > 1) {
setMetaViewFocusedAlpha(selected ? 1f : 0f);
} else {
setMetaViewFocusedAlpha(1f);
}
// Call super.onBind() at the end in order to make getCardHeight() return a proper value.
super.onBind(channel, selected);
}
private static ImageLoader.ImageLoaderCallback<ChannelCardView> createProgramPosterArtCallback(
ChannelCardView cardView, final Program program) {
return new ImageLoader.ImageLoaderCallback<ChannelCardView>(cardView) {
@Override
public void onBitmapLoaded(ChannelCardView cardView, @Nullable Bitmap posterArt) {
if (posterArt == null || cardView.mProgram == null
|| program.getChannelId() != cardView.mProgram.getChannelId()
|| program.getChannelId() != cardView.mChannel.getId()) {
return;
}
cardView.updatePosterArt(posterArt);
}
};
}
private void updatePosterArt(Bitmap posterArt) {
mImageView.setImageBitmap(posterArt);
mGradientView.setVisibility(View.VISIBLE);
}
@Override
protected void onFocusAnimationStart(boolean selected) {
if (mExtendViewOnFocus) {
setMetaViewFocusedAlpha(selected ? 1f : 0f);
}
}
@Override
protected void onSetFocusAnimatedValue(float animatedValue) {
super.onSetFocusAnimatedValue(animatedValue);
if (mExtendViewOnFocus) {
ViewGroup.LayoutParams params = mMetaViewUnfocused.getLayoutParams();
params.height = Math.round(mProgramNameViewHeight
+ (mExtendedTextViewCardHeight - mProgramNameViewHeight) * animatedValue);
setMetaViewLayoutParams(params);
setMetaViewFocusedAlpha(animatedValue);
}
}
@Override
protected float getCardHeight() {
return (mExtendViewOnFocus && isFocused()) ? mExtendedCardHeight : mCardHeight;
}
private void updateProgramInformation() {
if (mChannel == null) {
return;
}
mProgram = mMainActivity.getProgramDataManager().getCurrentProgram(mChannel.getId());
if (mProgram == null || TextUtils.isEmpty(mProgram.getTitle())) {
setMetaViewEnabled(false);
setMetaViewText(R.string.program_title_for_no_information);
} else {
setMetaViewText(mProgram.getTitle());
}
if (mProgram == null) {
return;
}
long startTime = mProgram.getStartTimeUtcMillis();
long endTime = mProgram.getEndTimeUtcMillis();
long currTime = System.currentTimeMillis();
mProgressBar.setVisibility(View.VISIBLE);
if (currTime <= startTime) {
mProgressBar.setProgress(0);
} else if (currTime >= endTime) {
mProgressBar.setProgress(100);
} else {
mProgressBar.setProgress((int) (100 * (currTime - startTime) / (endTime - startTime)));
}
if (!(getContext() instanceof MainActivity)) {
Log.e(TAG, "Fails to check program's content rating.");
return;
}
ParentalControlSettings parental = mMainActivity.getParentalControlSettings();
if ((!parental.isParentalControlsEnabled()
|| !parental.isRatingBlocked(mProgram.getContentRatings()))
&& !TextUtils.isEmpty(mProgram.getPosterArtUri())) {
mProgram.loadPosterArt(getContext(), mCardImageWidth, mCardImageHeight,
createProgramPosterArtCallback(this, mProgram));
}
}
private void setMetaViewLayoutParams(ViewGroup.LayoutParams params) {
mMetaViewFocused.setLayoutParams(params);
mMetaViewUnfocused.setLayoutParams(params);
}
private void setMetaViewText(String text) {
mMetaViewFocused.setText(text);
mMetaViewUnfocused.setText(text);
}
private void setMetaViewText(int resId) {
mMetaViewFocused.setText(resId);
mMetaViewUnfocused.setText(resId);
}
private void setMetaViewEnabled(boolean enabled) {
mMetaViewFocused.setEnabled(enabled);
mMetaViewUnfocused.setEnabled(enabled);
}
private void setMetaViewFocusedAlpha(float focusedAlpha) {
mMetaViewFocused.setAlpha(focusedAlpha);
mMetaViewUnfocused.setAlpha(1f - focusedAlpha);
}
}
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