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path: root/src/com/android/launcher2/UninstallShortcutReceiver.java
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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 android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import android.widget.Toast;

import java.net.URISyntaxException;

import com.android.launcher.R;

public class UninstallShortcutReceiver extends BroadcastReceiver {
    private static final String ACTION_UNINSTALL_SHORTCUT =
            "com.android.launcher.action.UNINSTALL_SHORTCUT";

    public void onReceive(Context context, Intent data) {
        if (!ACTION_UNINSTALL_SHORTCUT.equals(data.getAction())) {
            return;
        }

        Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
        String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
        boolean duplicate = data.getBooleanExtra(Launcher.EXTRA_SHORTCUT_DUPLICATE, true);

        if (intent != null && name != null) {
            final ContentResolver cr = context.getContentResolver();
            Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI,
                new String[] { LauncherSettings.Favorites._ID, LauncherSettings.Favorites.INTENT },
                LauncherSettings.Favorites.TITLE + "=?", new String[] { name }, null);

            final int intentIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.INTENT);
            final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID);

            boolean changed = false;

            try {
                while (c.moveToNext()) {
                    try {
                        if (intent.filterEquals(Intent.parseUri(c.getString(intentIndex), 0))) {
                            final long id = c.getLong(idIndex);
                            final Uri uri = LauncherSettings.Favorites.getContentUri(id, false);
                            cr.delete(uri, null, null);
                            changed = true;
                            if (!duplicate) {
                                break;
                            }
                        }
                    } catch (URISyntaxException e) {
                        // Ignore
                    }
                }
            } finally {
                c.close();
            }

            if (changed) {
                cr.notifyChange(LauncherSettings.Favorites.CONTENT_URI, null);
                Toast.makeText(context, context.getString(R.string.shortcut_uninstalled, name),
                        Toast.LENGTH_SHORT).show();
            }
        }
    }
}