widget/gtk/nsClipboardWaylandAsync.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:expandtab:shiftwidth=4:tabstop=4:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #ifndef __nsClipboardWaylandAsync_h_
   9 #define __nsClipboardWaylandAsync_h_
  10
  11 #include <gtk/gtk.h>
  12 #include <gdk/gdkwayland.h>
  13 #include <nsTArray.h>
  14
  15 #include "mozilla/Mutex.h"
  16 #include "nsIThread.h"
  17 #include "mozilla/UniquePtr.h"
  18 #include "nsClipboard.h"
  19 #include "nsWaylandDisplay.h"
  20
  21 class nsRetrievalContextWaylandAsync : public nsRetrievalContext {
  22  public:
  23   nsRetrievalContextWaylandAsync();
  24
  25   // Successful call of GetClipboardData()/GetClipboardText() needs to be paired
  26   // with ReleaseClipboardData().
  27   virtual const char* GetClipboardData(const char* aMimeType,
  28                                        int32_t aWhichClipboard,
  29                                        uint32_t* aContentLength) override;
  30   virtual const char* GetClipboardText(int32_t aWhichClipboard) override;
  31   virtual void ReleaseClipboardData(const char* aClipboardData) override;
  32
  33   // GetTargets() uses clipboard data internally so it can't be used between
  34   // GetClipboardData()/GetClipboardText() and ReleaseClipboardData() calls.
  35   virtual GdkAtom* GetTargets(int32_t aWhichClipboard,
  36                               int* aTargetNum) override;
  37
  38   void TransferAsyncClipboardData(ClipboardDataType aDataType,
  39                                   int aClipboardRequestNumber,
  40                                   const void* aData);
  41
  42   bool HasSelectionSupport(void) override { return true; }
  43
  44  private:
  45   bool WaitForClipboardContent();
  46
  47  private:
  48   int mClipboardRequestNumber;
  49   bool mClipboardDataReceived;
  50   char* mClipboardData;
  51   uint32_t mClipboardDataLength;
  52   mozilla::Mutex mMutex;
  53 };
  54
  55 #endif /* __nsClipboardWayland_h_ */