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/*
* 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 java.util.ArrayList;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;
import com.android.launcher.R;
public class InstallShortcutReceiver extends BroadcastReceiver {
public static final String ACTION_INSTALL_SHORTCUT =
"com.android.launcher.action.INSTALL_SHORTCUT";
// 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;
}
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)) {
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)) {
((LauncherApplication)context.getApplicationContext()).getModel()
.addShortcut(context, data, screen, mCoordinates[0], mCoordinates[1], 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 = LauncherModel.getCellCountX();
final int yCount = LauncherModel.getCellCountY();
boolean[][] occupied = new boolean[xCount][yCount];
ArrayList<ItemInfo> items = LauncherModel.getItemsInLocalCoordinates(context);
ItemInfo item = null;
int cellX, cellY, spanX, spanY;
for (int i = 0; i < items.size(); ++i) {
item = items.get(i);
if (item.screen == screen) {
cellX = item.cellX;
cellY = item.cellY;
spanX = item.spanX;
spanY = item.spanY;
for (int x = cellX; x < cellX + spanX && x < xCount; x++) {
for (int y = cellY; y < cellY + spanY && y < yCount; y++) {
occupied[x][y] = true;
}
}
}
}
return CellLayout.findVacantCell(xy, 1, 1, xCount, yCount, occupied);
}
}