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Diffstat (limited to 'libs/hwui/thread/TaskProcessor.h')
-rw-r--r-- | libs/hwui/thread/TaskProcessor.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libs/hwui/thread/TaskProcessor.h b/libs/hwui/thread/TaskProcessor.h new file mode 100644 index 000000000000..d1269f0bd55a --- /dev/null +++ b/libs/hwui/thread/TaskProcessor.h @@ -0,0 +1,72 @@ +/* + * 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() { }; + +private: + friend class TaskManager; + + 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 onProcess(const sp<Task<T> >& task) = 0; + +private: + 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); + } + + 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 |