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/*
* Copyright (C) 2017 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.dialer.calllog;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.support.annotation.MainThread;
import android.support.annotation.Nullable;
import com.android.dialer.calllog.datasources.CallLogDataSource;
import com.android.dialer.calllog.datasources.DataSources;
import com.android.dialer.common.Assert;
import com.android.dialer.common.ConfigProviderBindings;
import com.android.dialer.common.LogUtil;
import javax.inject.Inject;
import javax.inject.Singleton;
/**
* Coordinates work across CallLog data sources to detect if the annotated call log is out of date
* ("dirty") and update it if necessary.
*
* <p>All methods should be called on the main thread.
*/
@Singleton
public final class CallLogFramework implements CallLogDataSource.ContentObserverCallbacks {
static final String PREF_FORCE_REBUILD = "callLogFrameworkForceRebuild";
private final DataSources dataSources;
@Nullable private CallLogUi ui;
@Inject
CallLogFramework(DataSources dataSources) {
this.dataSources = dataSources;
}
public boolean isNewCallLogEnabled(Context context) {
return ConfigProviderBindings.get(context).getBoolean("enable_new_call_log_tab", false);
}
/** Registers the content observers for all data sources. */
public void registerContentObservers(Context appContext) {
LogUtil.enterBlock("CallLogFramework.registerContentObservers");
if (!isNewCallLogEnabled(appContext)) {
LogUtil.i("CallLogFramework.registerContentObservers", "new call log not enabled");
return;
}
for (CallLogDataSource dataSource : dataSources.getDataSourcesIncludingSystemCallLog()) {
dataSource.registerContentObservers(appContext, this);
}
}
/**
* Attach a UI component to the framework so that it may be notified of changes to the annotated
* call log.
*/
public void attachUi(CallLogUi ui) {
LogUtil.enterBlock("CallLogFramework.attachUi");
this.ui = ui;
}
/**
* Detaches the UI from the framework. This should be called when the UI is hidden or destroyed
* and no longer needs to be notified of changes to the annotated call log.
*/
public void detachUi() {
LogUtil.enterBlock("CallLogFramework.detachUi");
this.ui = null;
}
/**
* Marks the call log as dirty and notifies any attached UI components. If there are no UI
* components currently attached, this is an efficient operation since it is just writing a shared
* pref.
*
* <p>We don't want to actually force a rebuild when there is no UI running because we don't want
* to be constantly rebuilding the database when the device is sitting on a desk and receiving a
* lot of calls, for example.
*/
@Override
@MainThread
public void markDirtyAndNotify(Context appContext) {
Assert.isMainThread();
LogUtil.enterBlock("CallLogFramework.markDirtyAndNotify");
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(appContext);
sharedPreferences.edit().putBoolean(PREF_FORCE_REBUILD, true).apply();
if (ui != null) {
ui.invalidateUi();
}
}
/** Callbacks invoked on listening UI components. */
public interface CallLogUi {
/** Notifies the call log UI that the annotated call log is out of date. */
@MainThread
void invalidateUi();
}
}
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