1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_HWUI_TASK_H 18#define ANDROID_HWUI_TASK_H 19 20#define ATRACE_TAG ATRACE_TAG_VIEW 21 22#include <utils/RefBase.h> 23#include <utils/Trace.h> 24 25#include "Future.h" 26 27namespace android { 28namespace uirenderer { 29 30class TaskBase: public RefBase { 31public: 32 TaskBase() { } 33 virtual ~TaskBase() { } 34}; 35 36template<typename T> 37class Task: public TaskBase { 38public: 39 Task(): mFuture(new Future<T>()) { } 40 virtual ~Task() { } 41 42 T getResult() const { 43 ATRACE_NAME("waitForTask"); 44 return mFuture->get(); 45 } 46 47 void setResult(T result) { 48 mFuture->produce(result); 49 } 50 51protected: 52 const sp<Future<T> >& future() const { 53 return mFuture; 54 } 55 56private: 57 sp<Future<T> > mFuture; 58}; 59 60}; // namespace uirenderer 61}; // namespace android 62 63#endif // ANDROID_HWUI_TASK_H 64