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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.content.Intent;
import android.media.tv.TvInputInfo;
import android.view.View;
import com.android.tv.ApplicationSingletons;
import com.android.tv.R;
import com.android.tv.TvApplication;
import com.android.tv.analytics.Tracker;
import com.android.tv.common.feature.CommonFeatures;
import com.android.tv.data.Channel;
import com.android.tv.dvr.DvrDataManager;
import com.android.tv.recommendation.Recommender;
import com.android.tv.util.SetupUtils;
import com.android.tv.util.TvInputManagerHelper;
import com.android.tv.util.Utils;
import java.util.ArrayList;
import java.util.List;
/**
* An adapter of the Channels row.
*/
public class ChannelsRowAdapter extends ItemListRowView.ItemListAdapter<Channel> {
private static final String TAG = "ChannelsRowAdapter";
// There are four special cards: guide, setup, dvr, applink.
private static final int SIZE_OF_VIEW_TYPE = 5;
private final Context mContext;
private final Tracker mTracker;
private final Recommender mRecommender;
private final DvrDataManager mDvrDataManager;
private final int mMaxCount;
private final int mMinCount;
private final int[] mViewType = new int[SIZE_OF_VIEW_TYPE];
private final View.OnClickListener mGuideOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
mTracker.sendMenuClicked(R.string.channels_item_program_guide);
getMainActivity().getOverlayManager().showProgramGuide();
}
};
private final View.OnClickListener mSetupOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
mTracker.sendMenuClicked(R.string.channels_item_setup);
getMainActivity().getOverlayManager().showSetupFragment();
}
};
private final View.OnClickListener mDvrOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
mTracker.sendMenuClicked(R.string.channels_item_dvr);
getMainActivity().getOverlayManager().showDvrManager();
}
};
private final View.OnClickListener mAppLinkOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
mTracker.sendMenuClicked(R.string.channels_item_app_link);
Intent intent = ((AppLinkCardView) view).getIntent();
if (intent != null) {
getMainActivity().startActivitySafe(intent);
}
}
};
private final View.OnClickListener mChannelOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
// Always send the label "Channels" because the channel ID or name or number might be
// sensitive.
mTracker.sendMenuClicked(R.string.menu_title_channels);
getMainActivity().tuneToChannel((Channel) view.getTag());
getMainActivity().hideOverlaysForTune();
}
};
public ChannelsRowAdapter(Context context, Recommender recommender,
int minCount, int maxCount) {
super(context);
mContext = context;
ApplicationSingletons appSingletons = TvApplication.getSingletons(context);
mTracker = appSingletons.getTracker();
if (CommonFeatures.DVR.isEnabled(context)) {
mDvrDataManager = appSingletons.getDvrDataManager();
} else {
mDvrDataManager = null;
}
mRecommender = recommender;
mMinCount = minCount;
mMaxCount = maxCount;
}
@Override
public int getItemViewType(int position) {
if (position >= SIZE_OF_VIEW_TYPE) {
return R.layout.menu_card_channel;
}
return mViewType[position];
}
@Override
protected int getLayoutResId(int viewType) {
return viewType;
}
@Override
public void onBindViewHolder(MyViewHolder viewHolder, int position) {
super.onBindViewHolder(viewHolder, position);
int viewType = getItemViewType(position);
if (viewType == R.layout.menu_card_guide) {
viewHolder.itemView.setOnClickListener(mGuideOnClickListener);
} else if (viewType == R.layout.menu_card_setup) {
viewHolder.itemView.setOnClickListener(mSetupOnClickListener);
} else if (viewType == R.layout.menu_card_app_link) {
viewHolder.itemView.setOnClickListener(mAppLinkOnClickListener);
} else if (viewType == R.layout.menu_card_dvr) {
viewHolder.itemView.setOnClickListener(mDvrOnClickListener);
SimpleCardView view = (SimpleCardView) viewHolder.itemView;
view.setText(R.string.channels_item_dvr);
} else {
viewHolder.itemView.setTag(getItemList().get(position));
viewHolder.itemView.setOnClickListener(mChannelOnClickListener);
}
}
@Override
public void update() {
List<Channel> channelList = new ArrayList<>();
Channel dummyChannel = new Channel.Builder().build();
// For guide item
channelList.add(dummyChannel);
// For setup item
TvInputManagerHelper inputManager = TvApplication.getSingletons(mContext)
.getTvInputManagerHelper();
boolean showSetupCard = SetupUtils.getInstance(mContext).hasNewInput(inputManager);
Channel currentChannel = getMainActivity().getCurrentChannel();
boolean showAppLinkCard = currentChannel != null
&& currentChannel.getAppLinkType(mContext) != Channel.APP_LINK_TYPE_NONE
// Sometimes applicationInfo can be null. b/28932537
&& inputManager.getTvInputAppInfo(currentChannel.getInputId()) != null;
boolean showDvrCard = false;
if (mDvrDataManager != null) {
for (TvInputInfo info : inputManager.getTvInputInfos(true, true)) {
if (info.canRecord()) {
showDvrCard = true;
break;
}
}
}
mViewType[0] = R.layout.menu_card_guide;
int index = 1;
if (showSetupCard) {
channelList.add(dummyChannel);
mViewType[index++] = R.layout.menu_card_setup;
}
if (showDvrCard) {
channelList.add(dummyChannel);
mViewType[index++] = R.layout.menu_card_dvr;
}
if (showAppLinkCard) {
channelList.add(currentChannel);
mViewType[index++] = R.layout.menu_card_app_link;
}
for ( ; index < mViewType.length; ++index) {
mViewType[index] = R.layout.menu_card_channel;
}
channelList.addAll(getRecentChannels());
setItemList(channelList);
}
private List<Channel> getRecentChannels() {
List<Channel> channelList = new ArrayList<>();
for (Channel channel : mRecommender.recommendChannels(mMaxCount)) {
if (channel.isBrowsable()) {
channelList.add(channel);
}
}
int count = channelList.size();
// If the number of recommended channels is not enough, add more from the recent channel
// list.
if (count < mMinCount) {
for (long channelId : getMainActivity().getRecentChannels()) {
Channel channel = mRecommender.getChannel(channelId);
if (channel == null || channelList.contains(channel)
|| !channel.isBrowsable()) {
continue;
}
channelList.add(channel);
if (++count >= mMinCount) {
break;
}
}
}
return channelList;
}
}
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