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 "base/command_line.h"
9#include "content/public/common/content_switches.h"
10#include "content/public/common/user_agent.h"
11#include "ipc/ipc_message.h"
12#include "ui/base/l10n/l10n_util.h"
13#include "ui/base/resource/resource_bundle.h"
14
15namespace {
16
17std::string GetProduct() {
18  // "Chrome/XX.0.0.0" identifies that this WebView is derived from the
19  // corresponding Chromium version XX.
20  // TODO(torne): Use chrome/VERSION file. See http://crbug.com/297522
21  return "Chrome/39.0.0.0";
22}
23
24}
25
26namespace android_webview {
27
28std::string GetUserAgent() {
29  // "Version/4.0" had been hardcoded in the legacy WebView.
30  std::string product = "Version/4.0 " + GetProduct();
31  if (CommandLine::ForCurrentProcess()->HasSwitch(
32        switches::kUseMobileUserAgent)) {
33    product += " Mobile";
34  }
35  return content::BuildUserAgentFromProduct(product);
36}
37
38std::string AwContentClient::GetProduct() const {
39  return ::GetProduct();
40}
41
42std::string AwContentClient::GetUserAgent() const {
43  return android_webview::GetUserAgent();
44}
45
46base::string16 AwContentClient::GetLocalizedString(int message_id) const {
47  // TODO(boliu): Used only by WebKit, so only bundle those resources for
48  // Android WebView.
49  return l10n_util::GetStringUTF16(message_id);
50}
51
52base::StringPiece AwContentClient::GetDataResource(
53    int resource_id,
54    ui::ScaleFactor scale_factor) const {
55  // TODO(boliu): Used only by WebKit, so only bundle those resources for
56  // Android WebView.
57  return ResourceBundle::GetSharedInstance().GetRawDataResourceForScale(
58      resource_id, scale_factor);
59}
60
61bool AwContentClient::CanSendWhileSwappedOut(const IPC::Message* message) {
62  // For legacy API support we perform a few browser -> renderer synchronous IPC
63  // messages that block the browser. However, the synchronous IPC replies might
64  // be dropped by the renderer during a swap out, deadlocking the browser.
65  // Because of this we should never drop any synchronous IPC replies.
66  return message->type() == IPC_REPLY_ID;
67}
68
69}  // namespace android_webview
70