1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 #ifndef _include_mozilla_gfx_ipc_CompositorSession_h_ 7 #define _include_mozilla_gfx_ipc_CompositorSession_h_ 8 9 #include "base/basictypes.h" 10 #include "mozilla/layers/LayersTypes.h" 11 #include "mozilla/layers/CompositorTypes.h" 12 #include "nsISupportsImpl.h" 13 #if defined(MOZ_WIDGET_ANDROID) 14 # include "mozilla/layers/UiCompositorControllerChild.h" 15 #endif // defined(MOZ_WIDGET_ANDROID) 16 17 class nsBaseWidget; 18 19 namespace mozilla { 20 namespace widget { 21 class CompositorWidget; 22 class CompositorWidgetDelegate; 23 } // namespace widget 24 namespace gfx { 25 class GPUProcessHost; 26 class GPUProcessManager; 27 } // namespace gfx 28 namespace layers { 29 30 class GeckoContentController; 31 class IAPZCTreeManager; 32 class CompositorBridgeParent; 33 class CompositorBridgeChild; 34 class ClientLayerManager; 35 36 // A CompositorSession provides access to a compositor without exposing whether 37 // or not it's in-process or out-of-process. 38 class CompositorSession { 39 friend class gfx::GPUProcessManager; 40 41 protected: 42 typedef gfx::GPUProcessHost GPUProcessHost; 43 typedef widget::CompositorWidget CompositorWidget; 44 typedef widget::CompositorWidgetDelegate CompositorWidgetDelegate; 45 46 public: 47 NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CompositorSession) 48 49 virtual void Shutdown() = 0; 50 51 // This returns a CompositorBridgeParent if the compositor resides in the same 52 // process. 53 virtual CompositorBridgeParent* GetInProcessBridge() const = 0; 54 55 // Set the GeckoContentController for the root of the layer tree. 56 virtual void SetContentController(GeckoContentController* aController) = 0; 57 58 // Return the Async Pan/Zoom Tree Manager for this compositor. 59 virtual RefPtr<IAPZCTreeManager> GetAPZCTreeManager() const = 0; 60 61 // Return the child end of the compositor IPC bridge. 62 CompositorBridgeChild* GetCompositorBridgeChild(); 63 64 // Return the proxy for accessing the compositor's widget. GetCompositorWidgetDelegate()65 CompositorWidgetDelegate* GetCompositorWidgetDelegate() { 66 return mCompositorWidgetDelegate; 67 } 68 69 // Return the id of the root layer tree. RootLayerTreeId()70 LayersId RootLayerTreeId() const { return mRootLayerTreeId; } 71 72 #if defined(MOZ_WIDGET_ANDROID) 73 // Set the UiCompositorControllerChild after Session creation so the Session 74 // constructor doesn't get mucked up for other platforms. SetUiCompositorControllerChild(RefPtr<UiCompositorControllerChild> aUiController)75 void SetUiCompositorControllerChild( 76 RefPtr<UiCompositorControllerChild> aUiController) { 77 mUiCompositorControllerChild = aUiController; 78 } 79 GetUiCompositorControllerChild()80 RefPtr<UiCompositorControllerChild> GetUiCompositorControllerChild() { 81 return mUiCompositorControllerChild; 82 } 83 #endif // defined(MOZ_WIDGET_ANDROID) 84 protected: 85 CompositorSession(nsBaseWidget* aWidget, CompositorWidgetDelegate* aDelegate, 86 CompositorBridgeChild* aChild, 87 const LayersId& aRootLayerTreeId); 88 virtual ~CompositorSession(); 89 90 protected: 91 nsBaseWidget* mWidget; 92 CompositorWidgetDelegate* mCompositorWidgetDelegate; 93 RefPtr<CompositorBridgeChild> mCompositorBridgeChild; 94 LayersId mRootLayerTreeId; 95 #if defined(MOZ_WIDGET_ANDROID) 96 RefPtr<UiCompositorControllerChild> mUiCompositorControllerChild; 97 #endif // defined(MOZ_WIDGET_ANDROID) 98 private: 99 DISALLOW_COPY_AND_ASSIGN(CompositorSession); 100 }; 101 102 } // namespace layers 103 } // namespace mozilla 104 105 #endif // _include_mozilla_gfx_ipc_CompositorSession_h_ 106