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Diffstat (limited to 'java/com/android/dialer/calllog/CallLogFramework.java')
-rw-r--r-- | java/com/android/dialer/calllog/CallLogFramework.java | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/java/com/android/dialer/calllog/CallLogFramework.java b/java/com/android/dialer/calllog/CallLogFramework.java new file mode 100644 index 000000000..508413b14 --- /dev/null +++ b/java/com/android/dialer/calllog/CallLogFramework.java @@ -0,0 +1,117 @@ +/* + * 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.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javax.inject.Singleton; + +/** + * Coordinates work across CallLog data sources to detect if the annotated call log is out of date + * ("dirty") and update it if necessary.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"; + static final String PREF_LAST_REBUILD_TIMESTAMP_MILLIS = "callLogFrameworkLastRebuild"; + + 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)) { + 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(); + } +} |