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/* -*- Mode: C++; tab-width: 8; 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 mozilla_layers_ContentProcessController_h
#define mozilla_layers_ContentProcessController_h
#include "mozilla/layers/GeckoContentController.h"
#include "mozilla/dom/ipc/IdType.h"
class nsIObserver;
namespace mozilla {
namespace dom {
class TabChild;
} // namespace dom
namespace layers {
class APZChild;
/**
* ContentProcessController is a GeckoContentController for a TabChild, and is always
* remoted using PAPZ/APZChild.
*
* ContentProcessController is created in ContentChild when a layer tree id has
* been allocated for a PBrowser that lives in that content process, and is destroyed
* when the Destroy message is received, or when the tab dies.
*
* If ContentProcessController needs to implement a new method on GeckoContentController
* PAPZ, APZChild, and RemoteContentController must be updated to handle it.
*/
class ContentProcessController final
: public GeckoContentController
{
public:
~ContentProcessController();
static APZChild* Create(const dom::TabId& aTabId);
// ContentProcessController
void SetBrowser(dom::TabChild* aBrowser);
// GeckoContentController
void RequestContentRepaint(const FrameMetrics& frame) override;
void HandleTap(TapType aType,
const LayoutDevicePoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid& aGuid,
uint64_t aInputBlockId) override;
void NotifyPinchGesture(PinchGestureInput::PinchGestureType aType,
const ScrollableLayerGuid& aGuid,
LayoutDeviceCoord aSpanChange,
Modifiers aModifiers) override;
void NotifyAPZStateChange(const ScrollableLayerGuid& aGuid,
APZStateChange aChange,
int aArg) override;
void NotifyMozMouseScrollEvent(const FrameMetrics::ViewID& aScrollId,
const nsString& aEvent) override;
void NotifyFlushComplete() override;
void PostDelayedTask(already_AddRefed<Runnable> aRunnable, int aDelayMs) override;
bool IsRepaintThread() override;
void DispatchToRepaintThread(already_AddRefed<Runnable> aTask) override;
private:
ContentProcessController();
void SetObserver(nsIObserver* aObserver);
RefPtr<dom::TabChild> mBrowser;
RefPtr<nsIObserver> mObserver;
};
} // namespace layers
} // namespace mozilla
#endif // mozilla_layers_ContentProcessController_h
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