APZCTreeManagerChild.h

Enable keyboard shortcuts

/* -*- 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 mozilla_layers_APZCTreeManagerChild_h

#define mozilla_layers_APZCTreeManagerChild_h

#include "mozilla/layers/APZInputBridge.h"

#include "mozilla/layers/IAPZCTreeManager.h"

#include "mozilla/layers/PAPZCTreeManagerChild.h"

#include <unordered_map>

namespace mozilla {

namespace layers {

class APZInputBridgeChild;

class RemoteCompositorSession;

class APZCTreeManagerChild : public IAPZCTreeManager,

                             public PAPZCTreeManagerChild {

  friend class PAPZCTreeManagerChild;

  using TapType = GeckoContentController_TapType;

 public:

  APZCTreeManagerChild();

  void SetCompositorSession(RemoteCompositorSession* aSession);

  void SetInputBridge(APZInputBridgeChild* aInputBridge);

  void Destroy();

  void SetKeyboardMap(const KeyboardMap& aKeyboardMap) override;

  void ZoomToRect(const ScrollableLayerGuid& aGuid,

                  const ZoomTarget& aZoomTarget,

                  const uint32_t aFlags = DEFAULT_BEHAVIOR) override;

  void ContentReceivedInputBlock(uint64_t aInputBlockId,

                                 bool aPreventDefault) override;

  void SetTargetAPZC(uint64_t aInputBlockId,

                     const nsTArray<ScrollableLayerGuid>& aTargets) override;

  void UpdateZoomConstraints(

      const ScrollableLayerGuid& aGuid,

      const Maybe<ZoomConstraints>& aConstraints) override;

  void SetDPI(float aDpiValue) override;

  void SetAllowedTouchBehavior(

      uint64_t aInputBlockId,

      const nsTArray<TouchBehaviorFlags>& aValues) override;

  void SetBrowserGestureResponse(uint64_t aInputBlockId,

                                 BrowserGestureResponse aResponse) override;

  void StartScrollbarDrag(const ScrollableLayerGuid& aGuid,

                          const AsyncDragMetrics& aDragMetrics) override;

  bool StartAutoscroll(const ScrollableLayerGuid& aGuid,

                       const ScreenPoint& aAnchorLocation) override;

  void StopAutoscroll(const ScrollableLayerGuid& aGuid) override;

  void SetLongTapEnabled(bool aTapGestureEnabled) override;

  APZInputBridge* InputBridge() override;

  void AddIPDLReference();

  void ReleaseIPDLReference();

  void ActorDestroy(ActorDestroyReason aWhy) override;

 protected:

  MOZ_CAN_RUN_SCRIPT_BOUNDARY

  mozilla::ipc::IPCResult RecvHandleTap(

      const TapType& aType, const LayoutDevicePoint& aPoint,

      const Modifiers& aModifiers, const ScrollableLayerGuid& aGuid,

      const uint64_t& aInputBlockId,

      const Maybe<DoubleTapToZoomMetrics>& aDoubleTapToZoomMetrics);

  mozilla::ipc::IPCResult RecvNotifyPinchGesture(

      const PinchGestureType& aType, const ScrollableLayerGuid& aGuid,

      const LayoutDevicePoint& aFocusPoint,

      const LayoutDeviceCoord& aSpanChange, const Modifiers& aModifiers);

  mozilla::ipc::IPCResult RecvCancelAutoscroll(

      const ScrollableLayerGuid::ViewID& aScrollId);

  mozilla::ipc::IPCResult RecvNotifyScaleGestureComplete(

      const ScrollableLayerGuid::ViewID& aScrollId, float aScale);

  virtual ~APZCTreeManagerChild();

 private:

  MOZ_NON_OWNING_REF RemoteCompositorSession* mCompositorSession;

  RefPtr<APZInputBridgeChild> mInputBridge;

  bool mIPCOpen;

};

}  // namespace layers

}  // namespace mozilla

#endif  // mozilla_layers_APZCTreeManagerChild_h