Introduce PPB_Flash_Font.

ppapi/cpp/private/flash_font_file.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_font_file.h"
+
+#include "ppapi/c/dev/ppb_font_dev.h"
+#include "ppapi/c/private/ppb_flash_font_file.h"
+#include "ppapi/c/private/ppb_pdf.h"
+#include "ppapi/cpp/instance_handle.h"
+#include "ppapi/cpp/module_impl.h"
+
+namespace pp {
+
+namespace {
+
+// TODO(yzshen): Once PPB_Flash_FontFile gets to the stable channel, we can
+// remove the code of using PPB_PDF in this file.
+template <> const char* interface_name<PPB_PDF>() {
+  return PPB_PDF_INTERFACE;
+}
+
+template <> const char* interface_name<PPB_Flash_FontFile_0_1>() {
+  return PPB_FLASH_FONTFILE_INTERFACE_0_1;
+}
+
+}  // namespace
+
+namespace flash {
+
+FontFile::FontFile(const InstanceHandle& instance,
+                   const PP_FontDescription_Dev* description,
+                   PP_PrivateFontCharset charset) : Resource() {
+  if (has_interface<PPB_Flash_FontFile_0_1>()) {
+    PassRefFromConstructor(get_interface<PPB_Flash_FontFile_0_1>()->Create(
+        instance.pp_instance(), description, charset));
+  } else if (has_interface<PPB_PDF>()) {
+    PassRefFromConstructor(get_interface<PPB_PDF>()->GetFontFileWithFallback(
+        instance.pp_instance(), description, charset));
+  }
+}
+
+FontFile::~FontFile() {
+}
+
+// static
+bool FontFile::IsAvailable() {
+  return has_interface<PPB_Flash_FontFile_0_1>() || has_interface<PPB_PDF>();
+}
+
+bool FontFile::GetFontTable(uint32_t table,
+                            void* output,
+                            uint32_t* output_length) {
+  if (has_interface<PPB_Flash_FontFile_0_1>()) {
+    return !!get_interface<PPB_Flash_FontFile_0_1>()->
+        GetFontTable(pp_resource(), table, output, output_length);
+  }
+  if (has_interface<PPB_PDF>()) {
+    return get_interface<PPB_PDF>()->GetFontTableForPrivateFontFile(
+        pp_resource(), table, output, output_length);
+  }
+  return false;
+}
+
+}  // namespace flash
+}  // namespace pp