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/* -*- 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 _include_mozilla_gfx_ipc_CompositorSession_h_
#define _include_mozilla_gfx_ipc_CompositorSession_h_
#include "base/basictypes.h"
#include "mozilla/layers/LayersTypes.h"
#include "mozilla/layers/CompositorTypes.h"
#include "nsISupportsImpl.h"
#if defined(MOZ_WIDGET_ANDROID)
# include "mozilla/layers/UiCompositorControllerChild.h"
#endif // defined(MOZ_WIDGET_ANDROID)
class nsIWidget;
namespace mozilla {
namespace widget {
class CompositorWidget;
class CompositorWidgetDelegate;
} // namespace widget
namespace gfx {
class GPUProcessHost;
class GPUProcessManager;
} // namespace gfx
namespace layers {
class GeckoContentController;
class IAPZCTreeManager;
class CompositorBridgeParent;
class CompositorBridgeChild;
class ClientLayerManager;
// A CompositorSession provides access to a compositor without exposing whether
// or not it's in-process or out-of-process.
class CompositorSession {
friend class gfx::GPUProcessManager;
protected:
typedef gfx::GPUProcessHost GPUProcessHost;
typedef widget::CompositorWidget CompositorWidget;
typedef widget::CompositorWidgetDelegate CompositorWidgetDelegate;
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CompositorSession)
virtual void Shutdown() = 0;
// This returns a CompositorBridgeParent if the compositor resides in the same
// process.
virtual CompositorBridgeParent* GetInProcessBridge() const = 0;
// Set the GeckoContentController for the root of the layer tree.
virtual void SetContentController(GeckoContentController* aController) = 0;
// Return the Async Pan/Zoom Tree Manager for this compositor.
virtual RefPtr<IAPZCTreeManager> GetAPZCTreeManager() const = 0;
// Return the child end of the compositor IPC bridge.
CompositorBridgeChild* GetCompositorBridgeChild();
// Return the proxy for accessing the compositor's widget.
CompositorWidgetDelegate* GetCompositorWidgetDelegate() {
return mCompositorWidgetDelegate;
}
// Return the id of the root layer tree.
LayersId RootLayerTreeId() const { return mRootLayerTreeId; }
#if defined(MOZ_WIDGET_ANDROID)
// Set the UiCompositorControllerChild after Session creation so the Session
// constructor doesn't get mucked up for other platforms.
void SetUiCompositorControllerChild(
RefPtr<UiCompositorControllerChild>&& aUiController) {
mUiCompositorControllerChild = std::move(aUiController);
}
RefPtr<UiCompositorControllerChild> GetUiCompositorControllerChild() {
return mUiCompositorControllerChild;
}
#endif // defined(MOZ_WIDGET_ANDROID)
protected:
CompositorSession(nsIWidget* aWidget, CompositorWidgetDelegate* aDelegate,
CompositorBridgeChild* aChild,
const LayersId& aRootLayerTreeId);
virtual ~CompositorSession();
protected:
nsIWidget* mWidget;
CompositorWidgetDelegate* mCompositorWidgetDelegate;
RefPtr<CompositorBridgeChild> mCompositorBridgeChild;
LayersId mRootLayerTreeId;
#if defined(MOZ_WIDGET_ANDROID)
RefPtr<UiCompositorControllerChild> mUiCompositorControllerChild;
#endif // defined(MOZ_WIDGET_ANDROID)
private:
DISALLOW_COPY_AND_ASSIGN(CompositorSession);
};
} // namespace layers
} // namespace mozilla
#endif // _include_mozilla_gfx_ipc_CompositorSession_h_
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