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

This makes the interface a bit easier to use and, more importantly, easier to
update the interface while maintaining suitable compatibility.


Review URL: http://codereview.chromium.org/9207012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@117750 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 120 insertions, 0 deletions

diff --git a/ppapi/cpp/private/flash_clipboard.cc b/ppapi/cpp/private/flash_clipboard.cc
new file mode 100644
index 0000000..8634eaf
--- /dev/null
+++ b/ppapi/cpp/private/flash_clipboard.cc
@@ -0,0 +1,75 @@
+// 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
diff --git a/ppapi/cpp/private/flash_clipboard.h b/ppapi/cpp/private/flash_clipboard.h
new file mode 100644
index 0000000..db13ce6
--- /dev/null
+++ b/ppapi/cpp/private/flash_clipboard.h
@@ -0,0 +1,43 @@
+// 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.
+
+#ifndef PPAPI_CPP_PRIVATE_FLASH_CLIPBOARD_H_
+#define PPAPI_CPP_PRIVATE_FLASH_CLIPBOARD_H_
+
+#include <string>
+
+#include "ppapi/c/private/ppb_flash_clipboard.h"
+
+namespace pp {
+
+class Instance;
+
+namespace flash {
+
+class Clipboard {
+ public:
+  // Returns true if the required interface is available.
+  static bool IsAvailable();
+
+  // Returns true if the given format is available from the given clipboard.
+  static bool IsFormatAvailable(Instance* instance,
+                                PP_Flash_Clipboard_Type clipboard_type,
+                                PP_Flash_Clipboard_Format format);
+
+  // Returns true on success, in which case |text_out| will be filled with plain
+  // text read from the given clipboard.
+  static bool ReadPlainText(Instance* instance,
+                            PP_Flash_Clipboard_Type clipboard_type,
+                            std::string* text_out);
+
+  // Returns true on success (it may fail if |text| is too big).
+  static bool WritePlainText(Instance* instance,
+                             PP_Flash_Clipboard_Type clipboard_type,
+                             const std::string& text);
+};
+
+}  // namespace flash
+}  // namespace pp
+
+#endif  // PPAPI_CPP_PRIVATE_FLASH_CLIPBOARD_H_
diff --git a/ppapi/ppapi_sources.gypi b/ppapi/ppapi_sources.gypi
index a2c6884..a027a02 100644
--- a/ppapi/ppapi_sources.gypi
+++ b/ppapi/ppapi_sources.gypi
@@ -229,6 +229,8 @@
       # Private interfaces.
       'cpp/private/flash.cc',
       'cpp/private/flash.h',
+      'cpp/private/flash_clipboard.cc',
+      'cpp/private/flash_clipboard.h',
       'cpp/private/flash_fullscreen.cc',
       'cpp/private/flash_fullscreen.h',
       'cpp/private/flash_menu.cc',