content/browser/mime_registry_message_filter.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/mime_registry_message_filter.h"
   6
   7 #include "content/common/mime_registry_messages.h"
   8 #include "net/base/mime_util.h"
   9
  10 namespace content {
  11
  12 MimeRegistryMessageFilter::MimeRegistryMessageFilter()
  13     : BrowserMessageFilter(MimeRegistryMsgStart) {
  14 }
  15
  16 MimeRegistryMessageFilter::~MimeRegistryMessageFilter() {
  17 }
  18
  19 void MimeRegistryMessageFilter::OverrideThreadForMessage(
  20     const IPC::Message& message,
  21     BrowserThread::ID* thread) {
  22   if (IPC_MESSAGE_CLASS(message) == MimeRegistryMsgStart)
  23     *thread = BrowserThread::FILE;
  24 }
  25
  26 bool MimeRegistryMessageFilter::OnMessageReceived(const IPC::Message& message) {
  27   bool handled = true;
  28   IPC_BEGIN_MESSAGE_MAP(MimeRegistryMessageFilter, message)
  29     IPC_MESSAGE_HANDLER(MimeRegistryMsg_GetMimeTypeFromExtension,
  30                         OnGetMimeTypeFromExtension)
  31     IPC_MESSAGE_HANDLER(MimeRegistryMsg_GetMimeTypeFromFile,
  32                         OnGetMimeTypeFromFile)
  33     IPC_MESSAGE_UNHANDLED(handled = false)
  34   IPC_END_MESSAGE_MAP()
  35   return handled;
  36 }
  37
  38 void MimeRegistryMessageFilter::OnGetMimeTypeFromExtension(
  39     const base::FilePath::StringType& ext, std::string* mime_type) {
  40   net::GetMimeTypeFromExtension(ext, mime_type);
  41 }
  42
  43 void MimeRegistryMessageFilter::OnGetMimeTypeFromFile(
  44     const base::FilePath& file_path, std::string* mime_type) {
  45   net::GetMimeTypeFromFile(file_path, mime_type);
  46 }
  47
  48 }  // namespace content