gecko-dev/gfx/ipc/RemoteCompositorSession.cpp

110 строки
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=99: */
/* 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/. */
#include "RemoteCompositorSession.h"
#include "mozilla/VsyncDispatcher.h"
#include "mozilla/layers/APZChild.h"
#include "mozilla/layers/APZCTreeManagerChild.h"
#include "mozilla/Unused.h"
#include "nsBaseWidget.h"
#if defined(MOZ_WIDGET_ANDROID)
#include "mozilla/layers/UiCompositorControllerChild.h"
#endif // defined(MOZ_WIDGET_ANDROID)
namespace mozilla {
namespace layers {
using namespace gfx;
using namespace widget;
RemoteCompositorSession::RemoteCompositorSession(nsBaseWidget* aWidget,
CompositorBridgeChild* aChild,
CompositorWidgetDelegate* aWidgetDelegate,
APZCTreeManagerChild* aAPZ,
const uint64_t& aRootLayerTreeId)
: CompositorSession(aWidgetDelegate, aChild, aRootLayerTreeId),
mWidget(aWidget),
mAPZ(aAPZ)
{
MOZ_ASSERT(!gfxPlatform::IsHeadless());
GPUProcessManager::Get()->RegisterRemoteProcessSession(this);
if (mAPZ) {
mAPZ->SetCompositorSession(this);
}
}
RemoteCompositorSession::~RemoteCompositorSession()
{
// This should have been shutdown first.
MOZ_ASSERT(!mCompositorBridgeChild);
#if defined(MOZ_WIDGET_ANDROID)
MOZ_ASSERT(!mUiCompositorControllerChild);
#endif //defined(MOZ_WIDGET_ANDROID)
}
void
RemoteCompositorSession::NotifySessionLost()
{
// Re-entrancy should be impossible: when we are being notified of a lost
// session, we have by definition not shut down yet. We will shutdown, but
// then will be removed from the notification list.
mWidget->NotifyCompositorSessionLost(this);
}
CompositorBridgeParent*
RemoteCompositorSession::GetInProcessBridge() const
{
return nullptr;
}
void
RemoteCompositorSession::SetContentController(GeckoContentController* aController)
{
mContentController = aController;
mCompositorBridgeChild->SendPAPZConstructor(new APZChild(aController), 0);
}
GeckoContentController*
RemoteCompositorSession::GetContentController()
{
return mContentController.get();
}
nsIWidget*
RemoteCompositorSession::GetWidget() const
{
return mWidget;
}
RefPtr<IAPZCTreeManager>
RemoteCompositorSession::GetAPZCTreeManager() const
{
return mAPZ;
}
void
RemoteCompositorSession::Shutdown()
{
mContentController = nullptr;
if (mAPZ) {
mAPZ->SetCompositorSession(nullptr);
}
mCompositorBridgeChild->Destroy();
mCompositorBridgeChild = nullptr;
mCompositorWidgetDelegate = nullptr;
mWidget = nullptr;
#if defined(MOZ_WIDGET_ANDROID)
if (mUiCompositorControllerChild) {
mUiCompositorControllerChild->Destroy();
mUiCompositorControllerChild = nullptr;
}
#endif //defined(MOZ_WIDGET_ANDROID)
GPUProcessManager::Get()->UnregisterRemoteProcessSession(this);
}
} // namespace layers
} // namespace mozilla