| /* |
| * 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.ContentResolver; |
| import android.database.Cursor; |
| import android.widget.Toast; |
| |
| public class InstallShortcutReceiver extends BroadcastReceiver { |
| private static final String ACTION_INSTALL_SHORTCUT = |
| "com.android.launcher.action.INSTALL_SHORTCUT"; |
| |
| private final int[] mCoordinates = new int[2]; |
| |
| public void onReceive(Context context, Intent data) { |
| if (!ACTION_INSTALL_SHORTCUT.equals(data.getAction())) { |
| return; |
| } |
| |
| int screen = Launcher.getScreen(); |
| |
| if (!installShortcut(context, data, screen)) { |
| // The target screen is full, let's try the other screens |
| for (int i = 0; i < Launcher.SCREEN_COUNT; i++) { |
| if (i != screen && installShortcut(context, data, i)) break; |
| } |
| } |
| } |
| |
| private boolean installShortcut(Context context, Intent data, int screen) { |
| String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); |
| |
| if (findEmptyCell(context, mCoordinates, screen)) { |
| CellLayout.CellInfo cell = new CellLayout.CellInfo(); |
| cell.cellX = mCoordinates[0]; |
| cell.cellY = mCoordinates[1]; |
| cell.screen = screen; |
| |
| Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); |
| |
| 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 || !LauncherModel.shortcutExists(context, name, intent)) { |
| Launcher.addShortcut(context, data, cell, true); |
| Toast.makeText(context, context.getString(R.string.shortcut_installed, name), |
| Toast.LENGTH_SHORT).show(); |
| } else { |
| Toast.makeText(context, context.getString(R.string.shortcut_duplicate, name), |
| Toast.LENGTH_SHORT).show(); |
| } |
| |
| return true; |
| } else { |
| Toast.makeText(context, context.getString(R.string.out_of_space), |
| Toast.LENGTH_SHORT).show(); |
| } |
| |
| return false; |
| } |
| |
| private static boolean findEmptyCell(Context context, int[] xy, int screen) { |
| final int xCount = Launcher.NUMBER_CELLS_X; |
| final int yCount = Launcher.NUMBER_CELLS_Y; |
| |
| boolean[][] occupied = new boolean[xCount][yCount]; |
| |
| final ContentResolver cr = context.getContentResolver(); |
| Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, |
| new String[] { LauncherSettings.Favorites.CELLX, LauncherSettings.Favorites.CELLY, |
| LauncherSettings.Favorites.SPANX, LauncherSettings.Favorites.SPANY }, |
| LauncherSettings.Favorites.SCREEN + "=?", |
| new String[] { String.valueOf(screen) }, null); |
| |
| final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); |
| final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); |
| final int spanXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANX); |
| final int spanYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANY); |
| |
| try { |
| while (c.moveToNext()) { |
| int cellX = c.getInt(cellXIndex); |
| int cellY = c.getInt(cellYIndex); |
| int spanX = c.getInt(spanXIndex); |
| int spanY = c.getInt(spanYIndex); |
| |
| for (int x = cellX; x < cellX + spanX && x < xCount; x++) { |
| for (int y = cellY; y < cellY + spanY && y < yCount; y++) { |
| occupied[x][y] = true; |
| } |
| } |
| } |
| } catch (Exception e) { |
| return false; |
| } finally { |
| c.close(); |
| } |
| |
| return CellLayout.findVacantCell(xy, 1, 1, xCount, yCount, occupied); |
| } |
| } |