widget/gtk/nsClipboardWayland.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:expandtab:shiftwidth=2:tabstop=2:
   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 #include "nsClipboardWayland.h"
   9
  10 #include "AsyncGtkClipboardRequest.h"
  11 #include "mozilla/TimeStamp.h"
  12 #include "mozilla/ScopeExit.h"
  13 #include "prtime.h"
  14
  15 #include <gtk/gtk.h>
  16 #include <stdlib.h>
  17 #include <string.h>
  18
  19 using namespace mozilla;
  20
  21 nsRetrievalContextWayland::nsRetrievalContextWayland() = default;
  22
  23 ClipboardTargets nsRetrievalContextWayland::GetTargetsImpl(
  24     int32_t aWhichClipboard) {
  25   LOGCLIP("nsRetrievalContextWayland::GetTargetsImpl()\n");
  26
  27   return WaitForClipboardData(ClipboardDataType::Targets, aWhichClipboard)
  28       .ExtractTargets();
  29 }
  30
  31 ClipboardData nsRetrievalContextWayland::GetClipboardData(
  32     const char* aMimeType, int32_t aWhichClipboard) {
  33   LOGCLIP("nsRetrievalContextWayland::GetClipboardData() mime %s\n", aMimeType);
  34
  35   return WaitForClipboardData(ClipboardDataType::Data, aWhichClipboard,
  36                               aMimeType);
  37 }
  38
  39 GUniquePtr<char> nsRetrievalContextWayland::GetClipboardText(
  40     int32_t aWhichClipboard) {
  41   GdkAtom selection = GetSelectionAtom(aWhichClipboard);
  42
  43   LOGCLIP("nsRetrievalContextWayland::GetClipboardText(), clipboard %s\n",
  44           (selection == GDK_SELECTION_PRIMARY) ? "Primary" : "Selection");
  45
  46   return WaitForClipboardData(ClipboardDataType::Text, aWhichClipboard)
  47       .ExtractText();
  48 }
  49
  50 ClipboardData nsRetrievalContextWayland::WaitForClipboardData(
  51     ClipboardDataType aDataType, int32_t aWhichClipboard,
  52     const char* aMimeType) {
  53   LOGCLIP("nsRetrievalContextWayland::WaitForClipboardData, MIME %s\n",
  54           aMimeType);
  55
  56   AsyncGtkClipboardRequest request(aDataType, aWhichClipboard, aMimeType);
  57   int iteration = 1;
  58
  59   PRTime entryTime = PR_Now();
  60   while (!request.HasCompleted()) {
  61     if (iteration++ > kClipboardFastIterationNum) {
  62       /* sleep for 10 ms/iteration */
  63       PR_Sleep(PR_MillisecondsToInterval(10));
  64       if (PR_Now() - entryTime > kClipboardTimeout) {
  65         LOGCLIP("  failed to get async clipboard data in time limit\n");
  66         break;
  67       }
  68     }
  69     LOGCLIP("doing iteration %d msec %ld ...\n", (iteration - 1),
  70             (long)((PR_Now() - entryTime) / 1000));
  71     gtk_main_iteration();
  72   }
  73
  74   return request.TakeResult();
  75 }