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/*
* Copyright (C) 2020 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.systemui.statusbar.notification.row;
import android.util.ArrayMap;
import android.util.SparseArray;
import android.widget.RemoteViews;
import androidx.annotation.Nullable;
import com.android.systemui.statusbar.notification.collection.NotificationEntry;
import com.android.systemui.statusbar.notification.collection.notifcollection.CommonNotifCollection;
import com.android.systemui.statusbar.notification.collection.notifcollection.NotifCollectionListener;
import com.android.systemui.statusbar.notification.row.NotificationRowContentBinder.InflationFlag;
import java.util.Map;
import javax.inject.Inject;
/**
* Implementation of remote view cache that keeps remote views cached for all active notifications.
*/
public class NotifRemoteViewCacheImpl implements NotifRemoteViewCache {
private final Map<NotificationEntry, SparseArray<RemoteViews>> mNotifCachedContentViews =
new ArrayMap<>();
@Inject
NotifRemoteViewCacheImpl(CommonNotifCollection collection) {
collection.addCollectionListener(mCollectionListener);
}
@Override
public boolean hasCachedView(NotificationEntry entry, @InflationFlag int flag) {
return getCachedView(entry, flag) != null;
}
@Override
public @Nullable RemoteViews getCachedView(NotificationEntry entry, @InflationFlag int flag) {
SparseArray<RemoteViews> contentViews = mNotifCachedContentViews.get(entry);
if (contentViews == null) {
return null;
}
return contentViews.get(flag);
}
@Override
public void putCachedView(
NotificationEntry entry,
@InflationFlag int flag,
RemoteViews remoteView) {
/**
* TODO: We should be more strict here in the future (i.e. throw an exception) if the
* content views aren't created. We don't do that right now because we have edge cases
* where we may bind/unbind content after a notification is removed.
*/
SparseArray<RemoteViews> contentViews = mNotifCachedContentViews.get(entry);
if (contentViews == null) {
return;
}
contentViews.put(flag, remoteView);
}
@Override
public void removeCachedView(NotificationEntry entry, @InflationFlag int flag) {
SparseArray<RemoteViews> contentViews = mNotifCachedContentViews.get(entry);
if (contentViews == null) {
return;
}
contentViews.remove(flag);
}
@Override
public void clearCache(NotificationEntry entry) {
SparseArray<RemoteViews> contentViews = mNotifCachedContentViews.get(entry);
if (contentViews == null) {
return;
}
contentViews.clear();
}
private final NotifCollectionListener mCollectionListener = new NotifCollectionListener() {
@Override
public void onEntryInit(NotificationEntry entry) {
mNotifCachedContentViews.put(entry, new SparseArray<>());
}
@Override
public void onEntryCleanUp(NotificationEntry entry) {
mNotifCachedContentViews.remove(entry);
}
};
}
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