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 "chrome/common/net/net_resource_provider.h"
6
7#include <string>
8
9#include "base/i18n/rtl.h"
10#include "base/strings/string_piece.h"
11#include "base/values.h"
12#include "chrome/grit/chromium_strings.h"
13#include "chrome/grit/generated_resources.h"
14#include "net/grit/net_resources.h"
15#include "ui/base/l10n/l10n_util.h"
16#include "ui/base/layout.h"
17#include "ui/base/resource/resource_bundle.h"
18#include "ui/base/webui/jstemplate_builder.h"
19
20namespace {
21
22// The net module doesn't have access to this HTML or the strings that need to
23// be localized.  The Chrome locale will never change while we're running, so
24// it's safe to have a static string that we always return a pointer into.
25// This allows us to have the ResourceProvider return a pointer into the actual
26// resource (via a StringPiece), instead of always copying resources.
27struct LazyDirectoryListerCacher {
28  LazyDirectoryListerCacher() {
29    base::DictionaryValue value;
30    value.SetString("header",
31                    l10n_util::GetStringUTF16(IDS_DIRECTORY_LISTING_HEADER));
32    value.SetString("parentDirText",
33                    l10n_util::GetStringUTF16(IDS_DIRECTORY_LISTING_PARENT));
34    value.SetString("headerName",
35                    l10n_util::GetStringUTF16(IDS_DIRECTORY_LISTING_NAME));
36    value.SetString("headerSize",
37                    l10n_util::GetStringUTF16(IDS_DIRECTORY_LISTING_SIZE));
38    value.SetString("headerDateModified",
39        l10n_util::GetStringUTF16(IDS_DIRECTORY_LISTING_DATE_MODIFIED));
40    value.SetString("listingParsingErrorBoxText",
41        l10n_util::GetStringFUTF16(IDS_DIRECTORY_LISTING_PARSING_ERROR_BOX_TEXT,
42            l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
43    value.SetString("textdirection", base::i18n::IsRTL() ? "rtl" : "ltr");
44    html_data = webui::GetI18nTemplateHtml(
45        ResourceBundle::GetSharedInstance().GetRawDataResource(
46            IDR_DIR_HEADER_HTML),
47        &value);
48  }
49
50  std::string html_data;
51};
52
53}  // namespace
54
55namespace chrome_common_net {
56
57base::StringPiece NetResourceProvider(int key) {
58  CR_DEFINE_STATIC_LOCAL(LazyDirectoryListerCacher, lazy_dir_lister, ());
59
60  if (IDR_DIR_HEADER_HTML == key)
61    return base::StringPiece(lazy_dir_lister.html_data);
62
63  return ResourceBundle::GetSharedInstance().GetRawDataResource(key);
64}
65
66}  // namespace chrome_common_net
67