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Bug 1160298: Modify TaskFactory::NewTask to support variadic templates; r=gfritzsche

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This commit is contained in:
Aaron Klotz 2015-04-30 14:23:24 -06:00
parent ffb6e08be2
commit a5f6f375fc
1 changed files with 11 additions and 4 deletions
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15
dom/plugins/ipc/TaskFactory.h
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@ -7,6 +7,8 @@
#include <base/task.h>
#include "mozilla/Move.h"
/*
* This is based on the ScopedRunnableMethodFactory from ipc/chromium/src/base/task.h
* Chromium's factories assert if tasks are created and run on different threads,
@ -27,7 +29,12 @@ private:
class TaskWrapper : public TaskType
{
public:
explicit TaskWrapper(RevocableStore* store) : revocable_(store) { }
template<typename... Args>
explicit TaskWrapper(RevocableStore* store, Args&&... args)
: TaskType(mozilla::Forward<Args>(args)...)
, revocable_(store)
{
}
virtual void Run() {
if (!revocable_.revoked())
@ -41,11 +48,11 @@ private:
public:
explicit TaskFactory(T* object) : object_(object) { }
template <class TaskParamType>
inline TaskParamType* NewTask()
template <typename TaskParamType, typename... Args>
inline TaskParamType* NewTask(Args&&... args)
{
typedef TaskWrapper<TaskParamType> TaskWrapper;
TaskWrapper* task = new TaskWrapper(this);
TaskWrapper* task = new TaskWrapper(this, mozilla::Forward<Args>(args)...);
return task;
}