android_webview/common/aw_content_client.cc

   1 // Copyright (c) 2012 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 "android_webview/common/aw_content_client.h"
   6
   7 #include "base/basictypes.h"
   8 #include "ipc/ipc_message.h"
   9 #include "ui/base/l10n/l10n_util.h"
  10 #include "ui/base/resource/resource_bundle.h"
  11 #include "webkit/user_agent/user_agent_util.h"
  12
  13 namespace android_webview {
  14
  15 std::string AwContentClient::GetProduct() const {
  16   // "Version/4.0" had been hardcoded in the legacy WebView.
  17   return std::string("Version/4.0");
  18 }
  19
  20 std::string AwContentClient::GetUserAgent() const {
  21   return webkit_glue::BuildUserAgentFromProduct(GetProduct());
  22 }
  23
  24 string16 AwContentClient::GetLocalizedString(int message_id) const {
  25   // TODO(boliu): Used only by WebKit, so only bundle those resources for
  26   // Android WebView.
  27   return l10n_util::GetStringUTF16(message_id);
  28 }
  29
  30 base::StringPiece AwContentClient::GetDataResource(
  31     int resource_id,
  32     ui::ScaleFactor scale_factor) const {
  33   // TODO(boliu): Used only by WebKit, so only bundle those resources for
  34   // Android WebView.
  35   return ResourceBundle::GetSharedInstance().GetRawDataResourceForScale(
  36       resource_id, scale_factor);
  37 }
  38
  39 bool AwContentClient::CanSendWhileSwappedOut(const IPC::Message* message) {
  40   // For legacy API support we perform a few browser -> renderer synchronous IPC
  41   // messages that block the browser. However, the synchronous IPC replies might
  42   // be dropped by the renderer during a swap out, deadlocking the browser.
  43   // Because of this we should never drop any synchronous IPC replies.
  44   return message->type() == IPC_REPLY_ID;
  45 }
  46
  47 }  // namespace android_webview