Implement chrome.experimental.clipboard extension API.

chrome/browser/extensions/extension_clipboard_api.cc

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/extensions/extension_clipboard_api.h"
+
+#include "base/string_util.h"
+#include "base/values.h"
+#include "chrome/browser/extensions/extension_tabs_module.h"
+#include "chrome/browser/renderer_host/render_view_host.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/common/extensions/extension_error_utils.h"
+
+namespace {
+// Errors.
+const char kNoTabError[] = "No tab with id: *.";
+}
+
+bool ClipboardFunction::RunImpl() {
+  int tab_id;
+  EXTENSION_FUNCTION_VALIDATE(args_->GetAsInteger(&tab_id));
+
+  TabContents* contents = NULL;
+  if (!ExtensionTabUtil::GetTabById(tab_id, profile(), include_incognito(),
+                                    NULL, NULL, &contents, NULL)) {
+    error_ = ExtensionErrorUtils::FormatErrorMessage(kNoTabError,
+                                                     IntToString(tab_id));
+    return false;
+  }
+
+  RenderViewHost* render_view_host = contents->render_view_host();
+  if (!render_view_host) {
+    return false;
+  }
+
+  return RunImpl(render_view_host);
+}
+
+bool ExecuteCopyClipboardFunction::RunImpl(RenderViewHost* render_view_host) {
+  render_view_host->Copy();
+  return true;
+}
+
+bool ExecuteCutClipboardFunction::RunImpl(RenderViewHost* render_view_host) {
+  render_view_host->Cut();
+  return true;
+}
+
+bool ExecutePasteClipboardFunction::RunImpl(RenderViewHost* render_view_host) {
+  render_view_host->Paste();
+  return true;
+}
+