mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-02-19 10:48:19 +00:00
f862a26347
For hotseat migratino, we simply drop the items with least weight If the workspace row/column decreases by 2 or more, we clear the whole workspace Bug: 25958224 Change-Id: I7131b955023d185ed10955f593184b9238546dc8
121 lines
4.4 KiB
Java
121 lines
4.4 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import android.app.backup.BackupAgentHelper;
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import android.app.backup.BackupDataInput;
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import android.app.backup.BackupManager;
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import android.content.Context;
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import android.database.Cursor;
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import android.os.ParcelFileDescriptor;
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import android.util.Log;
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import com.android.launcher3.model.GridSizeMigrationTask;
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import java.io.IOException;
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public class LauncherBackupAgentHelper extends BackupAgentHelper {
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private static final String TAG = "LauncherBAHelper";
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private static final String LAUNCHER_DATA_PREFIX = "L";
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static final boolean VERBOSE = false;
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static final boolean DEBUG = false;
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private static BackupManager sBackupManager;
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/**
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* Notify the backup manager that out database is dirty.
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*
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* <P>This does not force an immediate backup.
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*
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* @param context application context
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*/
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public static void dataChanged(Context context) {
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if (sBackupManager == null) {
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sBackupManager = new BackupManager(context);
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}
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sBackupManager.dataChanged();
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}
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private LauncherBackupHelper mHelper;
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@Override
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public void onCreate() {
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super.onCreate();
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mHelper = new LauncherBackupHelper(this);
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addHelper(LAUNCHER_DATA_PREFIX, mHelper);
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}
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@Override
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public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState)
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throws IOException {
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if (!Utilities.ATLEAST_LOLLIPOP) {
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// No restore for old devices.
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Log.i(TAG, "You shall not pass!!!");
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Log.d(TAG, "Restore is only supported on devices running Lollipop and above.");
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return;
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}
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// Clear dB before restore
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LauncherSettings.Settings.call(getContentResolver(),
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LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
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boolean hasData;
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try {
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super.onRestore(data, appVersionCode, newState);
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// If no favorite was migrated, clear the data and start fresh.
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final Cursor c = getContentResolver().query(
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LauncherSettings.Favorites.CONTENT_URI, null, null, null, null);
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hasData = c.moveToNext();
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c.close();
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} catch (Exception e) {
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// If the restore fails, we should do a fresh start.
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Log.e(TAG, "Restore failed", e);
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hasData = false;
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}
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if (hasData && mHelper.restoreSuccessful) {
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LauncherSettings.Settings.call(getContentResolver(),
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LauncherSettings.Settings.METHOD_CLEAR_EMPTY_DB_FLAG);
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LauncherClings.markFirstRunClingDismissed(this);
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// Rank was added in v4.
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if (mHelper.restoredBackupVersion <= 3) {
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LauncherSettings.Settings.call(getContentResolver(),
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LauncherSettings.Settings.METHOD_UPDATE_FOLDER_ITEMS_RANK);
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}
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// TODO: Update this logic to handle grid difference of 2. as well as hotseat difference
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if (GridSizeMigrationTask.ENABLED && mHelper.shouldAttemptWorkspaceMigration()) {
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GridSizeMigrationTask.markForMigration(getApplicationContext(),
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(int) mHelper.migrationCompatibleProfileData.desktopCols,
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(int) mHelper.migrationCompatibleProfileData.desktopRows,
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mHelper.widgetSizes);
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}
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LauncherSettings.Settings.call(getContentResolver(),
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LauncherSettings.Settings.METHOD_CONVERT_SHORTCUTS_TO_ACTIVITIES);
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} else {
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if (VERBOSE) Log.v(TAG, "Nothing was restored, clearing DB");
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LauncherSettings.Settings.call(getContentResolver(),
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LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
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}
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}
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}
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