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::BuildUserAgentFromProductAndExtraOSInfo(
  34           product,
  35           GetExtraOSUserAgentInfo());
  36 }
  37
  38 std::string GetExtraOSUserAgentInfo() {
  39   return "; wv";
  40 }
  41
  42 std::string AwContentClient::GetProduct() const {
  43   return ::GetProduct();
  44 }
  45
  46 std::string AwContentClient::GetUserAgent() const {
  47   return android_webview::GetUserAgent();
  48 }
  49
  50 base::string16 AwContentClient::GetLocalizedString(int message_id) const {
  51   // TODO(boliu): Used only by WebKit, so only bundle those resources for
  52   // Android WebView.
  53   return l10n_util::GetStringUTF16(message_id);
  54 }
  55
  56 base::StringPiece AwContentClient::GetDataResource(
  57     int resource_id,
  58     ui::ScaleFactor scale_factor) const {
  59   // TODO(boliu): Used only by WebKit, so only bundle those resources for
  60   // Android WebView.
  61   return ResourceBundle::GetSharedInstance().GetRawDataResourceForScale(
  62       resource_id, scale_factor);
  63 }
  64
  65 bool AwContentClient::CanSendWhileSwappedOut(const IPC::Message* message) {
  66   // For legacy API support we perform a few browser -> renderer synchronous IPC
  67   // messages that block the browser. However, the synchronous IPC replies might
  68   // be dropped by the renderer during a swap out, deadlocking the browser.
  69   // Because of this we should never drop any synchronous IPC replies.
  70   return message->type() == IPC_REPLY_ID;
  71 }
  72
  73 }  // namespace android_webview