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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() { };
+
+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