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#ifndef DMTask_DEFINED
#define DMTask_DEFINED
#include "DMReporter.h"
#include "SkRunnable.h"
#include "SkThreadPool.h"
// DM will run() these tasks on one of two threadpools, depending on the result
// of usesGpu(). The subclasses can call fail() to mark this task as failed,
// or make any number of spawnChild() calls to kick off dependent tasks.
//
// Task deletes itself when run.
namespace DM {
class TaskRunner;
class Task : public SkRunnable {
public:
Task(Reporter* reporter, TaskRunner* taskRunner);
Task(const Task& that);
virtual ~Task();
void run();
virtual void draw() = 0;
virtual bool usesGpu() const = 0;
virtual bool shouldSkip() const = 0;
virtual SkString name() const = 0;
protected:
void spawnChild(Task* task);
void fail();
private:
// Both unowned.
Reporter* fReporter;
TaskRunner* fTaskRunner;
};
} // namespace DM
#endif // DMTask_DEFINED
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