nsDragServiceWayland.h

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/* 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 nsDragServiceWayland_h_

#define nsDragServiceWayland_h_

#include "RetrievalContextWayland.h"

namespace mozilla::widget {

/**

 * Wayland specific D&D routines

*/

class nsDragSessionWayland : public nsDragSession {

 public:

  void ReplyToDragMotion(RefPtr<mozilla::widget::DataOffer> aDataOffer);

  void ReplyToDragMotion() override;

  void UpdateDragAction(RefPtr<mozilla::widget::DataOffer> aDataOffer);

  void UpdateDragAction() override;

  void TargetDataReceived(RefPtr<mozilla::widget::DataOffer> aDataOffer);

  void ScheduleMotionEvent(RefPtr<mozilla::widget::DataOffer> aDataOffer);

  void ScheduleDropEvent(RefPtr<mozilla::widget::DataOffer> aDataOffer);

  void ScheduleLeaveEvent() override;

  // Update Drag&Drop state according child process state.

  // UpdateDragEffect() is called by IPC bridge when child process

  // accepts/denies D&D operation and uses stored

  // data offer.

  NS_IMETHOD UpdateDragEffect() override;

 public:

  nsDragSessionWayland();

 protected:

  virtual ~nsDragSessionWayland() = default;

  void EndDragSessionImplBackend() override;

  void SetRemoteContext() override;

  void DropFinish(bool aSucceed) override;

  bool IsTargetContextList(void) override;

  bool IsDragFlavorAvailable(GdkAtom aRequestedFlavor) override;

  bool GetDragDataImpl(GdkAtom aRequestedFlavor) override;

  nsWindow* GetMostRecentDestWindow() override;

  bool DragDataReceived(mozilla::ClipboardData& aData, GdkAtom aTarget);

 private:

  struct DragTaskWayland : public DragTask {

    explicit DragTaskWayland(DragTaskType aType = eDragTaskNone)

        : DragTask(aType) {};

    DragTaskWayland(DragTaskType aType, mozilla::widget::DataOffer* aDataOffer);

    virtual ~DragTaskWayland() = default;

    void Reset() override {

      mType = eDragTaskNone;

      mWindow = nullptr;

      mDataOffer = nullptr;

    uintptr_t GetContextID() override {

      return reinterpret_cast<uintptr_t>(mDataOffer.get());

    RefPtr<mozilla::widget::DataOffer> mDataOffer;

};

  RefPtr<mozilla::widget::DataOffer> mDataOfferForRemote;

};

}  // namespace mozilla::widget

#endif  // nsDragServiceWayland_h_