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/*
* Copyright (C) 2013 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.
*/
#ifndef ANDROID_HWUI_TASK_PROCESSOR_H
#define ANDROID_HWUI_TASK_PROCESSOR_H
#include <utils/RefBase.h>
#include "Task.h"
#include "TaskManager.h"
namespace android {
namespace uirenderer {
class TaskProcessorBase: public RefBase {
public:
TaskProcessorBase() { }
virtual ~TaskProcessorBase() { };
virtual void process(const sp<TaskBase>& task) = 0;
};
template<typename T>
class TaskProcessor: public TaskProcessorBase {
public:
TaskProcessor(TaskManager* manager): mManager(manager) { }
virtual ~TaskProcessor() { }
bool add(const sp<Task<T> >& task);
virtual void process(const sp<TaskBase>& task) {
sp<Task<T> > realTask = static_cast<Task<T>* >(task.get());
// This is the right way to do it but sp<> doesn't play nice
// sp<Task<T> > realTask = static_cast<sp<Task<T> > >(task);
onProcess(realTask);
}
virtual void onProcess(const sp<Task<T> >& task) = 0;
TaskManager* mManager;
};
template<typename T>
bool TaskProcessor<T>::add(const sp<Task<T> >& task) {
if (mManager) {
sp<TaskProcessor<T> > self(this);
return mManager->addTask(task, self);
}
return false;
}
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_TASK_PROCESSOR_H
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