Pepper/Flapper: Add C++ wrappers for PPB_Flash_Clipboard.

ppapi/cpp/private/flash_clipboard.cc

+// Copyright (c) 2012 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 "ppapi/cpp/private/flash_clipboard.h"
+
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module_impl.h"
+#include "ppapi/cpp/var.h"
+
+namespace pp {
+
+namespace {
+
+template <> const char* interface_name<PPB_Flash_Clipboard>() {
+  return PPB_FLASH_CLIPBOARD_INTERFACE;
+}
+
+}  // namespace
+
+namespace flash {
+
+// static
+bool Clipboard::IsAvailable() {
+  return has_interface<PPB_Flash_Clipboard>();
+}
+
+// static
+bool Clipboard::IsFormatAvailable(Instance* instance,
+                                  PP_Flash_Clipboard_Type clipboard_type,
+                                  PP_Flash_Clipboard_Format format) {
+  bool rv = false;
+  if (has_interface<PPB_Flash_Clipboard>()) {
+    rv = PP_ToBool(get_interface<PPB_Flash_Clipboard>()->IsFormatAvailable(
+        instance->pp_instance(), clipboard_type, format));
+  }
+  return rv;
+}
+
+// static
+bool Clipboard::ReadPlainText(Instance* instance,
+                              PP_Flash_Clipboard_Type clipboard_type,
+                              std::string* text_out) {
+  bool rv = false;
+  if (has_interface<PPB_Flash_Clipboard>()) {
+    Var v(Var::PassRef(),
+          get_interface<PPB_Flash_Clipboard>()->ReadPlainText(
+              instance->pp_instance(),
+              clipboard_type));
+    if (v.is_string()) {
+      rv = true;
+      *text_out = v.AsString();
+    }
+  }
+  return rv;
+}
+
+// static
+bool Clipboard::WritePlainText(Instance* instance,
+                               PP_Flash_Clipboard_Type clipboard_type,
+                               const std::string& text) {
+  bool rv = false;
+  if (has_interface<PPB_Flash_Clipboard>()) {
+    rv = (get_interface<PPB_Flash_Clipboard>()->WritePlainText(
+              instance->pp_instance(),
+              clipboard_type,
+              Var(text).pp_var()) == PP_OK);
+  }
+  return rv;
+}
+
+}  // namespace flash
+}  // namespace pp