| /* |
| * Copyright (C) 2010 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.videoeditor.service; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.util.Log; |
| |
| /** |
| * A pool of Intents |
| */ |
| class IntentPool { |
| // Logging |
| private static final String TAG = "IntentPool"; |
| |
| // Instance variables |
| private final List<Intent> mIntentPool; |
| |
| /** |
| * Constructor |
| * |
| * @param initialSize The initial size of the pool |
| */ |
| public IntentPool(int initialSize) { |
| mIntentPool = new ArrayList<Intent>(initialSize); |
| } |
| |
| /** |
| * @return The Intent is retrieved from the pool or if the pool is empty |
| * a new Intent is allocated |
| */ |
| public synchronized Intent get(Context context, Class<?> cls) { |
| final Intent intent = get(); |
| intent.setComponent(new ComponentName(context, cls)); |
| return intent; |
| } |
| |
| /** |
| * @return The Intent is retrieved from the pool or if the pool is empty |
| * a new Intent is allocated |
| */ |
| public synchronized Intent get() { |
| if (mIntentPool.size() > 0) { |
| final Intent intent = mIntentPool.remove(0); |
| // Clear the content of the Intent |
| final Bundle extras = intent.getExtras(); |
| for (String keys : extras.keySet()) { |
| intent.removeExtra(keys); |
| } |
| intent.setComponent(null); |
| return intent; |
| } else { |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "Pool enlarged"); |
| } |
| return new Intent(); |
| } |
| } |
| |
| /** |
| * @param intent Return an Intent to the pool |
| */ |
| public synchronized void put(Intent intent) { |
| mIntentPool.add(intent); |
| } |
| } |