| /* |
| * 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.R; |
| import com.android.tv.TvSingletons; |
| import com.android.tv.analytics.Tracker; |
| import com.android.tv.common.feature.CommonFeatures; |
| import com.android.tv.data.ChannelImpl; |
| import com.android.tv.data.api.Channel; |
| import com.android.tv.dvr.DvrDataManager; |
| import com.android.tv.recommendation.Recommender; |
| import com.android.tv.util.TvInputManagerHelper; |
| import java.util.ArrayDeque; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** An adapter of the Channels row. */ |
| public class ChannelsRowAdapter extends ItemListRowView.ItemListAdapter<ChannelsRowItem> { |
| // 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 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; |
| TvSingletons tvSingletons = TvSingletons.getSingletons(context); |
| mTracker = tvSingletons.getTracker(); |
| if (CommonFeatures.DVR.isEnabled(context)) { |
| mDvrDataManager = tvSingletons.getDvrDataManager(); |
| } else { |
| mDvrDataManager = null; |
| } |
| mRecommender = recommender; |
| mMinCount = minCount; |
| mMaxCount = maxCount; |
| setHasStableIds(true); |
| } |
| |
| @Override |
| public int getItemViewType(int position) { |
| return getItemList().get(position).getLayoutId(); |
| } |
| |
| @Override |
| protected int getLayoutResId(int viewType) { |
| return viewType; |
| } |
| |
| @Override |
| public long getItemId(int position) { |
| return getItemList().get(position).getItemId(); |
| } |
| |
| @Override |
| public void onBindViewHolder(MyViewHolder viewHolder, int 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).getChannel()); |
| viewHolder.itemView.setOnClickListener(mChannelOnClickListener); |
| } |
| super.onBindViewHolder(viewHolder, position); |
| } |
| |
| @Override |
| public void update() { |
| if (getItemCount() == 0) { |
| createItems(); |
| } else { |
| updateItems(); |
| } |
| } |
| |
| private void createItems() { |
| List<ChannelsRowItem> items = new ArrayList<>(); |
| items.add(ChannelsRowItem.GUIDE_ITEM); |
| if (needToShowSetupItem()) { |
| items.add(ChannelsRowItem.SETUP_ITEM); |
| } |
| if (needToShowDvrItem()) { |
| items.add(ChannelsRowItem.DVR_ITEM); |
| } |
| if (needToShowAppLinkItem()) { |
| ChannelsRowItem.APP_LINK_ITEM.setChannel( |
| new ChannelImpl.Builder(getMainActivity().getCurrentChannel()).build()); |
| items.add(ChannelsRowItem.APP_LINK_ITEM); |
| } |
| for (Channel channel : getRecentChannels()) { |
| items.add(new ChannelsRowItem(channel, R.layout.menu_card_channel)); |
| } |
| setItemList(items); |
| } |
| |
| private void updateItems() { |
| List<ChannelsRowItem> items = getItemList(); |
| // The current index of the item list to iterate. It starts from 1 because the first item |
| // (GUIDE) is always visible and not updated. |
| int currentIndex = 1; |
| if (updateItem(needToShowSetupItem(), ChannelsRowItem.SETUP_ITEM, currentIndex)) { |
| ++currentIndex; |
| } |
| if (updateItem(needToShowDvrItem(), ChannelsRowItem.DVR_ITEM, currentIndex)) { |
| ++currentIndex; |
| } |
| if (updateItem(needToShowAppLinkItem(), ChannelsRowItem.APP_LINK_ITEM, currentIndex)) { |
| if (!getMainActivity() |
| .getCurrentChannel() |
| .hasSameReadOnlyInfo(ChannelsRowItem.APP_LINK_ITEM.getChannel())) { |
| ChannelsRowItem.APP_LINK_ITEM.setChannel( |
| new ChannelImpl.Builder(getMainActivity().getCurrentChannel()).build()); |
| notifyItemChanged(currentIndex); |
| } |
| ++currentIndex; |
| } |
| int numOldChannels = items.size() - currentIndex; |
| if (numOldChannels > 0) { |
| while (items.size() > currentIndex) { |
| items.remove(items.size() - 1); |
| } |
| notifyItemRangeRemoved(currentIndex, numOldChannels); |
| } |
| for (Channel channel : getRecentChannels()) { |
| items.add(new ChannelsRowItem(channel, R.layout.menu_card_channel)); |
| } |
| int numNewChannels = items.size() - currentIndex; |
| if (numNewChannels > 0) { |
| notifyItemRangeInserted(currentIndex, numNewChannels); |
| } |
| } |
| |
| /** Returns {@code true} if the item should be shown. */ |
| private boolean updateItem(boolean needToShow, ChannelsRowItem item, int index) { |
| List<ChannelsRowItem> items = getItemList(); |
| boolean isItemInList = index < items.size() && item.equals(items.get(index)); |
| if (needToShow && !isItemInList) { |
| items.add(index, item); |
| notifyItemInserted(index); |
| } else if (!needToShow && isItemInList) { |
| items.remove(index); |
| notifyItemRemoved(index); |
| } |
| return needToShow; |
| } |
| |
| private boolean needToShowSetupItem() { |
| TvSingletons singletons = TvSingletons.getSingletons(mContext); |
| TvInputManagerHelper inputManager = singletons.getTvInputManagerHelper(); |
| return singletons.getSetupUtils().hasNewInput(inputManager); |
| } |
| |
| private boolean needToShowDvrItem() { |
| TvInputManagerHelper inputManager = |
| TvSingletons.getSingletons(mContext).getTvInputManagerHelper(); |
| if (mDvrDataManager != null) { |
| for (TvInputInfo info : inputManager.getTvInputInfos(true, true)) { |
| if (info.canRecord()) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| private boolean needToShowAppLinkItem() { |
| TvInputManagerHelper inputManager = |
| TvSingletons.getSingletons(mContext).getTvInputManagerHelper(); |
| Channel currentChannel = getMainActivity().getCurrentChannel(); |
| return currentChannel != null |
| && currentChannel.getAppLinkType(mContext) != Channel.APP_LINK_TYPE_NONE |
| // Sometimes applicationInfo can be null. b/28932537 |
| && inputManager.getTvInputAppInfo(currentChannel.getInputId()) != null; |
| } |
| |
| private List<Channel> getRecentChannels() { |
| List<Channel> channelList = new ArrayList<>(); |
| long currentChannelId = getMainActivity().getCurrentChannelId(); |
| ArrayDeque<Long> recentChannels = getMainActivity().getRecentChannels(); |
| // Add the last watched channel as the first one. |
| for (long channelId : recentChannels) { |
| if (addChannelToList( |
| channelList, mRecommender.getChannel(channelId), currentChannelId)) { |
| break; |
| } |
| } |
| // Add the recommended channels. |
| for (Channel channel : mRecommender.recommendChannels(mMaxCount)) { |
| if (channelList.size() >= mMaxCount) { |
| break; |
| } |
| addChannelToList(channelList, channel, currentChannelId); |
| } |
| // If the number of recommended channels is not enough, add more from the recent channel |
| // list. |
| for (long channelId : recentChannels) { |
| if (channelList.size() >= mMinCount) { |
| break; |
| } |
| addChannelToList(channelList, mRecommender.getChannel(channelId), currentChannelId); |
| } |
| return channelList; |
| } |
| |
| private static boolean addChannelToList( |
| List<Channel> channelList, Channel channel, long currentChannelId) { |
| if (channel == null |
| || channel.getId() == currentChannelId |
| || channelList.contains(channel) |
| || !channel.isBrowsable()) { |
| return false; |
| } |
| channelList.add(channel); |
| return true; |
| } |
| } |