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 "android_webview/common/aw_version_info_values.h"
   8 #include "base/basictypes.h"
   9 #include "base/command_line.h"
  10 #include "content/public/common/content_switches.h"
  11 #include "content/public/common/user_agent.h"
  12 #include "ipc/ipc_message.h"
  13 #include "ui/base/l10n/l10n_util.h"
  14 #include "ui/base/resource/resource_bundle.h"
  15
  16 namespace {
  17
  18 std::string GetProduct() {
  19   return "Chrome/" PRODUCT_VERSION;
  20 }
  21
  22 }
  23
  24 namespace android_webview {
  25
  26 std::string GetUserAgent() {
  27   // "Version/4.0" had been hardcoded in the legacy WebView.
  28   std::string product = "Version/4.0 " + GetProduct();
  29   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
  30         switches::kUseMobileUserAgent)) {
  31     product += " Mobile";
  32   }
  33   return content::BuildUserAgentFromProduct(product);
  34 }
  35
  36 std::string AwContentClient::GetProduct() const {
  37   return ::GetProduct();
  38 }
  39
  40 std::string AwContentClient::GetUserAgent() const {
  41   return android_webview::GetUserAgent();
  42 }
  43
  44 base::string16 AwContentClient::GetLocalizedString(int message_id) const {
  45   // TODO(boliu): Used only by WebKit, so only bundle those resources for
  46   // Android WebView.
  47   return l10n_util::GetStringUTF16(message_id);
  48 }
  49
  50 base::StringPiece AwContentClient::GetDataResource(
  51     int resource_id,
  52     ui::ScaleFactor scale_factor) const {
  53   // TODO(boliu): Used only by WebKit, so only bundle those resources for
  54   // Android WebView.
  55   return ResourceBundle::GetSharedInstance().GetRawDataResourceForScale(
  56       resource_id, scale_factor);
  57 }
  58
  59 bool AwContentClient::CanSendWhileSwappedOut(const IPC::Message* message) {
  60   // For legacy API support we perform a few browser -> renderer synchronous IPC
  61   // messages that block the browser. However, the synchronous IPC replies might
  62   // be dropped by the renderer during a swap out, deadlocking the browser.
  63   // Because of this we should never drop any synchronous IPC replies.
  64   return message->type() == IPC_REPLY_ID;
  65 }
  66
  67 }  // namespace android_webview