1 files changed, 75 insertions, 0 deletions
diff --git a/widget/gtk/nsClipboardWayland.cpp b/widget/gtk/nsClipboardWayland.cpp
new file mode 100644
index 0000000000..d179f242dd
--- /dev/null
+++ b/widget/gtk/nsClipboardWayland.cpp
@@ -0,0 +1,75 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=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/. */
+
+#include "nsClipboardWayland.h"
+
+#include "AsyncGtkClipboardRequest.h"
+#include "mozilla/TimeStamp.h"
+#include "mozilla/ScopeExit.h"
+#include "prtime.h"
+
+#include <gtk/gtk.h>
+#include <stdlib.h>
+#include <string.h>
+
+using namespace mozilla;
+
+nsRetrievalContextWayland::nsRetrievalContextWayland() = default;
+
+ClipboardTargets nsRetrievalContextWayland::GetTargetsImpl(
+    int32_t aWhichClipboard) {
+  LOGCLIP("nsRetrievalContextWayland::GetTargetsImpl()\n");
+
+  return WaitForClipboardData(ClipboardDataType::Targets, aWhichClipboard)
+      .ExtractTargets();
+}
+
+ClipboardData nsRetrievalContextWayland::GetClipboardData(
+    const char* aMimeType, int32_t aWhichClipboard) {
+  LOGCLIP("nsRetrievalContextWayland::GetClipboardData() mime %s\n", aMimeType);
+
+  return WaitForClipboardData(ClipboardDataType::Data, aWhichClipboard,
+                              aMimeType);
+}
+
+GUniquePtr<char> nsRetrievalContextWayland::GetClipboardText(
+    int32_t aWhichClipboard) {
+  GdkAtom selection = GetSelectionAtom(aWhichClipboard);
+
+  LOGCLIP("nsRetrievalContextWayland::GetClipboardText(), clipboard %s\n",
+          (selection == GDK_SELECTION_PRIMARY) ? "Primary" : "Selection");
+
+  return WaitForClipboardData(ClipboardDataType::Text, aWhichClipboard)
+      .ExtractText();
+}
+
+ClipboardData nsRetrievalContextWayland::WaitForClipboardData(
+    ClipboardDataType aDataType, int32_t aWhichClipboard,
+    const char* aMimeType) {
+  LOGCLIP("nsRetrievalContextWayland::WaitForClipboardData, MIME %s\n",
+          aMimeType);
+
+  AsyncGtkClipboardRequest request(aDataType, aWhichClipboard, aMimeType);
+  int iteration = 1;
+
+  PRTime entryTime = PR_Now();
+  while (!request.HasCompleted()) {
+    if (iteration++ > kClipboardFastIterationNum) {
+      /* sleep for 10 ms/iteration */
+      PR_Sleep(PR_MillisecondsToInterval(10));
+      if (PR_Now() - entryTime > kClipboardTimeout) {
+        LOGCLIP("  failed to get async clipboard data in time limit\n");
+        break;
+      }
+    }
+    LOGCLIP("doing iteration %d msec %ld ...\n", (iteration - 1),
+            (long)((PR_Now() - entryTime) / 1000));
+    gtk_main_iteration();
+  }
+
+  return request.TakeResult();
+}