mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-27 23:02:20 +00:00
1e9c395548
Same approach as the other bug, mostly replacing automatically by removing 'using mozilla::Forward;' and then: s/mozilla::Forward/std::forward/ s/Forward</std::forward</ The only file that required manual fixup was TestTreeTraversal.cpp, which had a class called TestNodeForward with template parameters :) MozReview-Commit-ID: A88qFG5AccP
108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_plugins_TaskFactory_h
|
|
#define mozilla_plugins_TaskFactory_h
|
|
|
|
#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,
|
|
* which is something we need to do in PluginModuleParent (hang UI vs. main thread).
|
|
* TaskFactory just provides cancellable tasks that don't assert this.
|
|
* This version also allows both ScopedMethod and regular Tasks to be generated
|
|
* by the same Factory object.
|
|
*/
|
|
|
|
namespace mozilla {
|
|
namespace ipc {
|
|
|
|
template<class T>
|
|
class TaskFactory : public RevocableStore
|
|
{
|
|
private:
|
|
template<class TaskType>
|
|
class TaskWrapper : public TaskType
|
|
{
|
|
public:
|
|
template<typename... Args>
|
|
explicit TaskWrapper(RevocableStore* store, Args&&... args)
|
|
: TaskType(std::forward<Args>(args)...)
|
|
, revocable_(store)
|
|
{
|
|
}
|
|
|
|
NS_IMETHOD Run() override {
|
|
if (!revocable_.revoked())
|
|
TaskType::Run();
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
Revocable revocable_;
|
|
};
|
|
|
|
public:
|
|
explicit TaskFactory(T* object) : object_(object) { }
|
|
|
|
template <typename TaskParamType, typename... Args>
|
|
inline already_AddRefed<TaskParamType> NewTask(Args&&... args)
|
|
{
|
|
typedef TaskWrapper<TaskParamType> TaskWrapper;
|
|
RefPtr<TaskWrapper> task =
|
|
new TaskWrapper(this, std::forward<Args>(args)...);
|
|
return task.forget();
|
|
}
|
|
|
|
template <class Method, typename... Args>
|
|
inline already_AddRefed<Runnable>
|
|
NewRunnableMethod(Method method, Args&&... args) {
|
|
typedef decltype(base::MakeTuple(std::forward<Args>(args)...)) ArgTuple;
|
|
typedef RunnableMethod<Method, ArgTuple> RunnableMethod;
|
|
typedef TaskWrapper<RunnableMethod> TaskWrapper;
|
|
|
|
RefPtr<TaskWrapper> task =
|
|
new TaskWrapper(this, object_, method,
|
|
base::MakeTuple(std::forward<Args>(args)...));
|
|
|
|
return task.forget();
|
|
}
|
|
|
|
protected:
|
|
template <class Method, class Params>
|
|
class RunnableMethod : public Runnable {
|
|
public:
|
|
RunnableMethod(T* obj, Method meth, const Params& params)
|
|
: Runnable("ipc::TaskFactory::RunnableMethod")
|
|
, obj_(obj)
|
|
, meth_(meth)
|
|
, params_(params)
|
|
{
|
|
}
|
|
|
|
NS_IMETHOD Run() override {
|
|
DispatchToMethod(obj_, meth_, params_);
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
T* obj_;
|
|
Method meth_;
|
|
Params params_;
|
|
};
|
|
|
|
private:
|
|
T* object_;
|
|
};
|
|
|
|
} // namespace ipc
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_plugins_TaskFactory_h
|