Introduce PPB_Flash_Font.

chrome/renderer/pepper/pepper_flash_font_file_host.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 "chrome/renderer/pepper/pepper_flash_font_file_host.h"
+
+#include "build/build_config.h"
+#include "content/public/renderer/renderer_ppapi_host.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/host/dispatch_host_message.h"
+#include "ppapi/host/host_message_context.h"
+#include "ppapi/host/ppapi_host.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/proxy/serialized_structs.h"
+
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
+#include "content/public/common/child_process_sandbox_support_linux.h"
+#endif
+
+namespace chrome {
+
+PepperFlashFontFileHost::PepperFlashFontFileHost(
+    content::RendererPpapiHost* host,
+    PP_Instance instance,
+    PP_Resource resource,
+    const ppapi::proxy::SerializedFontDescription& description,
+    PP_PrivateFontCharset charset)
+    : ResourceHost(host->GetPpapiHost(), instance, resource),
+      renderer_ppapi_host_(host),
+      fd_(-1) {
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
+  fd_ = content::MatchFontWithFallback(
+      description.face.c_str(), description.weight >= PP_FONTWEIGHT_BOLD,
+      description.italic, charset);
+#endif  // defined(OS_LINUX) || defined(OS_OPENBSD)
+}
+
+PepperFlashFontFileHost::~PepperFlashFontFileHost() {
+}
+
+int32_t PepperFlashFontFileHost::OnResourceMessageReceived(
+    const IPC::Message& msg,
+    ppapi::host::HostMessageContext* context) {
+  IPC_BEGIN_MESSAGE_MAP(PepperFlashFontFileHost, msg)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_FlashFontFile_GetFontTable,
+                                      OnMsgGetFontTable)
+  IPC_END_MESSAGE_MAP()
+  return PP_ERROR_FAILED;
+}
+
+int32_t PepperFlashFontFileHost::OnMsgGetFontTable(
+    ppapi::host::HostMessageContext* context,
+    uint32_t table) {
+  std::string contents;
+  int32_t result = PP_ERROR_FAILED;
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
+  if (fd_ != -1) {
+    size_t length = 0;
+    if (content::GetFontTable(fd_, table, NULL, &length)) {
+      contents.resize(length);
+      uint8_t* contents_ptr =
+          reinterpret_cast<uint8_t*>(const_cast<char*>(contents.c_str()));
+      if (content::GetFontTable(fd_, table, contents_ptr, &length)) {
+        result = PP_OK;
+      } else {
+        contents.clear();
+      }
+    }
+  }
+#endif  // defined(OS_LINUX) || defined(OS_OPENBSD)
+
+  context->reply_msg = PpapiPluginMsg_FlashFontFile_GetFontTableReply(contents);
+  return result;
+}
+
+}  // namespace chrome
+