| /* |
| * Copyright (C) 2008 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.launcher2; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.SharedPreferences; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageManager; |
| import android.widget.Toast; |
| |
| import com.android.launcher.R; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class InstallShortcutReceiver extends BroadcastReceiver { |
| public static final String ACTION_INSTALL_SHORTCUT = |
| "com.android.launcher.action.INSTALL_SHORTCUT"; |
| public static final String NEW_APPS_PAGE_KEY = "apps.new.page"; |
| public static final String NEW_APPS_LIST_KEY = "apps.new.list"; |
| |
| public static final int NEW_SHORTCUT_BOUNCE_DURATION = 450; |
| public static final int NEW_SHORTCUT_STAGGER_DELAY = 75; |
| |
| private static final int INSTALL_SHORTCUT_SUCCESSFUL = 0; |
| private static final int INSTALL_SHORTCUT_IS_DUPLICATE = -1; |
| private static final int INSTALL_SHORTCUT_NO_SPACE = -2; |
| |
| // A mime-type representing shortcut data |
| public static final String SHORTCUT_MIMETYPE = |
| "com.android.launcher/shortcut"; |
| |
| private final int[] mCoordinates = new int[2]; |
| |
| public void onReceive(Context context, Intent data) { |
| if (!ACTION_INSTALL_SHORTCUT.equals(data.getAction())) { |
| return; |
| } |
| String spKey = LauncherApplication.getSharedPreferencesKey(); |
| SharedPreferences sp = context.getSharedPreferences(spKey, Context.MODE_PRIVATE); |
| |
| final Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); |
| if (intent == null) { |
| return; |
| } |
| // This name is only used for comparisons and notifications, so fall back to activity name |
| // if not supplied |
| String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); |
| if (name == null) { |
| try { |
| PackageManager pm = context.getPackageManager(); |
| ActivityInfo info = pm.getActivityInfo(intent.getComponent(), 0); |
| name = info.loadLabel(pm).toString(); |
| } catch (PackageManager.NameNotFoundException nnfe) { |
| return; |
| } |
| } |
| |
| // Lock on the app so that we don't try and get the items while apps are being added |
| LauncherApplication app = (LauncherApplication) context.getApplicationContext(); |
| final int[] result = {INSTALL_SHORTCUT_SUCCESSFUL}; |
| boolean found = false; |
| synchronized (app) { |
| final ArrayList<ItemInfo> items = LauncherModel.getItemsInLocalCoordinates(context); |
| final boolean exists = LauncherModel.shortcutExists(context, name, intent); |
| |
| // Try adding to the workspace screens incrementally, starting at the default or center |
| // screen and alternating between +1, -1, +2, -2, etc. (using ~ ceil(i/2f)*(-1)^(i-1)) |
| final int screen = Launcher.DEFAULT_SCREEN; |
| for (int i = 0; i < (2 * Launcher.SCREEN_COUNT) + 1 && !found; ++i) { |
| int si = screen + (int) ((i / 2f) + 0.5f) * ((i % 2 == 1) ? 1 : -1); |
| if (0 <= si && si < Launcher.SCREEN_COUNT) { |
| found = installShortcut(context, data, items, name, intent, si, exists, sp, |
| result); |
| } |
| } |
| } |
| |
| // We only report error messages (duplicate shortcut or out of space) as the add-animation |
| // will provide feedback otherwise |
| if (!found) { |
| if (result[0] == INSTALL_SHORTCUT_NO_SPACE) { |
| Toast.makeText(context, context.getString(R.string.completely_out_of_space), |
| Toast.LENGTH_SHORT).show(); |
| } else if (result[0] == INSTALL_SHORTCUT_IS_DUPLICATE) { |
| Toast.makeText(context, context.getString(R.string.shortcut_duplicate, name), |
| Toast.LENGTH_SHORT).show(); |
| } |
| } |
| } |
| |
| private boolean installShortcut(Context context, Intent data, ArrayList<ItemInfo> items, |
| String name, Intent intent, final int screen, boolean shortcutExists, |
| final SharedPreferences sharedPrefs, int[] result) { |
| if (findEmptyCell(context, items, mCoordinates, screen)) { |
| if (intent != null) { |
| if (intent.getAction() == null) { |
| intent.setAction(Intent.ACTION_VIEW); |
| } |
| |
| // By default, we allow for duplicate entries (located in |
| // different places) |
| boolean duplicate = data.getBooleanExtra(Launcher.EXTRA_SHORTCUT_DUPLICATE, true); |
| if (duplicate || !shortcutExists) { |
| // If the new app is going to fall into the same page as before, then just |
| // continue adding to the current page |
| int newAppsScreen = sharedPrefs.getInt(NEW_APPS_PAGE_KEY, screen); |
| Set<String> newApps = new HashSet<String>(); |
| if (newAppsScreen == screen) { |
| newApps = sharedPrefs.getStringSet(NEW_APPS_LIST_KEY, newApps); |
| } |
| newApps.add(intent.toUri(0).toString()); |
| final Set<String> savedNewApps = newApps; |
| new Thread("setNewAppsThread") { |
| public void run() { |
| sharedPrefs.edit() |
| .putInt(NEW_APPS_PAGE_KEY, screen) |
| .putStringSet(NEW_APPS_LIST_KEY, savedNewApps) |
| .commit(); |
| } |
| }.start(); |
| |
| // Update the Launcher db |
| LauncherApplication app = (LauncherApplication) context.getApplicationContext(); |
| ShortcutInfo info = app.getModel().addShortcut(context, data, |
| LauncherSettings.Favorites.CONTAINER_DESKTOP, screen, |
| mCoordinates[0], mCoordinates[1], true); |
| if (info == null) { |
| return false; |
| } |
| } else { |
| result[0] = INSTALL_SHORTCUT_IS_DUPLICATE; |
| } |
| |
| return true; |
| } |
| } else { |
| result[0] = INSTALL_SHORTCUT_NO_SPACE; |
| } |
| |
| return false; |
| } |
| |
| private static boolean findEmptyCell(Context context, ArrayList<ItemInfo> items, int[] xy, |
| int screen) { |
| final int xCount = LauncherModel.getCellCountX(); |
| final int yCount = LauncherModel.getCellCountY(); |
| boolean[][] occupied = new boolean[xCount][yCount]; |
| |
| ItemInfo item = null; |
| int cellX, cellY, spanX, spanY; |
| for (int i = 0; i < items.size(); ++i) { |
| item = items.get(i); |
| if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { |
| if (item.screen == screen) { |
| cellX = item.cellX; |
| cellY = item.cellY; |
| spanX = item.spanX; |
| spanY = item.spanY; |
| for (int x = cellX; 0 <= x && x < cellX + spanX && x < xCount; x++) { |
| for (int y = cellY; 0 <= y && y < cellY + spanY && y < yCount; y++) { |
| occupied[x][y] = true; |
| } |
| } |
| } |
| } |
| } |
| |
| return CellLayout.findVacantCell(xy, 1, 1, xCount, yCount, occupied); |
| } |
| } |