forked from mirrors/gecko-dev
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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 widget_windows_RemoteBackbuffer_h
|
|
#define widget_windows_RemoteBackbuffer_h
|
|
|
|
#include "nsIWidget.h"
|
|
#include "mozilla/widget/PCompositorWidgetParent.h"
|
|
#include "mozilla/Maybe.h"
|
|
#include "mozilla/gfx/2D.h"
|
|
#include "prthread.h"
|
|
#include <windows.h>
|
|
|
|
namespace mozilla {
|
|
namespace widget {
|
|
namespace remote_backbuffer {
|
|
|
|
struct IpcRect;
|
|
struct SharedData;
|
|
struct BorrowResponseData;
|
|
struct PresentRequestData;
|
|
struct PresentResponseData;
|
|
class SharedImage;
|
|
class PresentableSharedImage;
|
|
|
|
class Provider {
|
|
public:
|
|
Provider();
|
|
~Provider();
|
|
|
|
bool Initialize(HWND aWindowHandle, DWORD aTargetProcessId,
|
|
TransparencyMode aTransparencyMode);
|
|
|
|
Maybe<RemoteBackbufferHandles> CreateRemoteHandles();
|
|
|
|
void UpdateTransparencyMode(TransparencyMode aTransparencyMode);
|
|
|
|
Provider(const Provider&) = delete;
|
|
Provider(Provider&&) = delete;
|
|
Provider& operator=(const Provider&) = delete;
|
|
Provider& operator=(Provider&&) = delete;
|
|
|
|
private:
|
|
void ThreadMain();
|
|
|
|
void HandleBorrowRequest(BorrowResponseData* aResponseData,
|
|
bool aAllowSameBuffer);
|
|
void HandlePresentRequest(const PresentRequestData& aRequestData,
|
|
PresentResponseData* aResponseData);
|
|
|
|
HWND mWindowHandle;
|
|
HANDLE mTargetProcess;
|
|
HANDLE mFileMapping;
|
|
HANDLE mRequestReadyEvent;
|
|
HANDLE mResponseReadyEvent;
|
|
SharedData* mSharedDataPtr;
|
|
bool mStopServiceThread;
|
|
PRThread* mServiceThread;
|
|
std::unique_ptr<PresentableSharedImage> mBackbuffer;
|
|
mozilla::Atomic<uint32_t, MemoryOrdering::Relaxed> mTransparencyMode;
|
|
TransparencyMode GetTransparencyMode() const {
|
|
return TransparencyMode(uint32_t(mTransparencyMode));
|
|
}
|
|
};
|
|
|
|
class Client {
|
|
public:
|
|
Client();
|
|
~Client();
|
|
|
|
bool Initialize(const RemoteBackbufferHandles& aRemoteHandles);
|
|
|
|
already_AddRefed<gfx::DrawTarget> BorrowDrawTarget();
|
|
bool PresentDrawTarget(gfx::IntRegion aDirtyRegion);
|
|
|
|
Client(const Client&) = delete;
|
|
Client(Client&&) = delete;
|
|
Client& operator=(const Client&) = delete;
|
|
Client& operator=(Client&&) = delete;
|
|
|
|
private:
|
|
HANDLE mFileMapping;
|
|
HANDLE mRequestReadyEvent;
|
|
HANDLE mResponseReadyEvent;
|
|
SharedData* mSharedDataPtr;
|
|
std::unique_ptr<SharedImage> mBackbuffer;
|
|
};
|
|
|
|
} // namespace remote_backbuffer
|
|
} // namespace widget
|
|
} // namespace mozilla
|
|
|
|
#endif // widget_windows_RemoteBackbuffer_h
|