1 // Copyright (c) 2011 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/browser/ui/webui/downloads_ui.h"
6
7 #include "base/memory/singleton.h"
8 #include "base/string_piece.h"
9 #include "base/threading/thread.h"
10 #include "base/values.h"
11 #include "chrome/browser/defaults.h"
12 #include "chrome/browser/download/download_manager.h"
13 #include "chrome/browser/profiles/profile.h"
14 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
15 #include "chrome/browser/ui/webui/downloads_dom_handler.h"
16 #include "chrome/common/jstemplate_builder.h"
17 #include "chrome/common/url_constants.h"
18 #include "content/browser/browser_thread.h"
19 #include "content/browser/tab_contents/tab_contents.h"
20 #include "grit/browser_resources.h"
21 #include "grit/generated_resources.h"
22 #include "grit/theme_resources.h"
23 #include "ui/base/l10n/l10n_util.h"
24 #include "ui/base/resource/resource_bundle.h"
25
26 namespace {
27
28 ///////////////////////////////////////////////////////////////////////////////
29 //
30 // DownloadsHTMLSource
31 //
32 ///////////////////////////////////////////////////////////////////////////////
33
34 class DownloadsUIHTMLSource : public ChromeURLDataManager::DataSource {
35 public:
36 DownloadsUIHTMLSource();
37
38 // Called when the network layer has requested a resource underneath
39 // the path we registered.
40 virtual void StartDataRequest(const std::string& path,
41 bool is_incognito,
42 int request_id);
GetMimeType(const std::string &) const43 virtual std::string GetMimeType(const std::string&) const {
44 return "text/html";
45 }
46
47 private:
~DownloadsUIHTMLSource()48 ~DownloadsUIHTMLSource() {}
49
50 DISALLOW_COPY_AND_ASSIGN(DownloadsUIHTMLSource);
51 };
52
DownloadsUIHTMLSource()53 DownloadsUIHTMLSource::DownloadsUIHTMLSource()
54 : DataSource(chrome::kChromeUIDownloadsHost, MessageLoop::current()) {
55 }
56
StartDataRequest(const std::string & path,bool is_incognito,int request_id)57 void DownloadsUIHTMLSource::StartDataRequest(const std::string& path,
58 bool is_incognito,
59 int request_id) {
60 DictionaryValue localized_strings;
61 localized_strings.SetString("title",
62 l10n_util::GetStringUTF16(IDS_DOWNLOAD_TITLE));
63 localized_strings.SetString("searchbutton",
64 l10n_util::GetStringUTF16(IDS_DOWNLOAD_SEARCH_BUTTON));
65 localized_strings.SetString("no_results",
66 l10n_util::GetStringUTF16(IDS_DOWNLOAD_SEARCH_BUTTON));
67 localized_strings.SetString("searchresultsfor",
68 l10n_util::GetStringUTF16(IDS_DOWNLOAD_SEARCHRESULTSFOR));
69 localized_strings.SetString("downloads",
70 l10n_util::GetStringUTF16(IDS_DOWNLOAD_TITLE));
71 localized_strings.SetString("clear_all",
72 l10n_util::GetStringUTF16(IDS_DOWNLOAD_LINK_CLEAR_ALL));
73
74 // Status.
75 localized_strings.SetString("status_cancelled",
76 l10n_util::GetStringUTF16(IDS_DOWNLOAD_TAB_CANCELED));
77 localized_strings.SetString("status_paused",
78 l10n_util::GetStringUTF16(IDS_DOWNLOAD_PROGRESS_PAUSED));
79 localized_strings.SetString("status_interrupted",
80 l10n_util::GetStringUTF16(IDS_DOWNLOAD_PROGRESS_INTERRUPTED));
81
82 // Dangerous file.
83 localized_strings.SetString("danger_file_desc",
84 l10n_util::GetStringUTF16(IDS_PROMPT_DANGEROUS_DOWNLOAD));
85 localized_strings.SetString("danger_url_desc",
86 l10n_util::GetStringUTF16(IDS_PROMPT_UNSAFE_DOWNLOAD_URL));
87 localized_strings.SetString("danger_save",
88 l10n_util::GetStringUTF16(IDS_SAVE_DOWNLOAD));
89 localized_strings.SetString("danger_discard",
90 l10n_util::GetStringUTF16(IDS_DISCARD_DOWNLOAD));
91
92 // Controls.
93 localized_strings.SetString("control_pause",
94 l10n_util::GetStringUTF16(IDS_DOWNLOAD_LINK_PAUSE));
95 if (browser_defaults::kDownloadPageHasShowInFolder) {
96 localized_strings.SetString("control_showinfolder",
97 l10n_util::GetStringUTF16(IDS_DOWNLOAD_LINK_SHOW));
98 }
99 localized_strings.SetString("control_retry",
100 l10n_util::GetStringUTF16(IDS_DOWNLOAD_LINK_RETRY));
101 localized_strings.SetString("control_cancel",
102 l10n_util::GetStringUTF16(IDS_DOWNLOAD_LINK_CANCEL));
103 localized_strings.SetString("control_resume",
104 l10n_util::GetStringUTF16(IDS_DOWNLOAD_LINK_RESUME));
105 localized_strings.SetString("control_removefromlist",
106 l10n_util::GetStringUTF16(IDS_DOWNLOAD_LINK_REMOVE));
107
108 SetFontAndTextDirection(&localized_strings);
109
110 static const base::StringPiece downloads_html(
111 ResourceBundle::GetSharedInstance().GetRawDataResource(
112 IDR_DOWNLOADS_HTML));
113 const std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
114 downloads_html, &localized_strings);
115
116 scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
117 html_bytes->data.resize(full_html.size());
118 std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
119
120 SendResponse(request_id, html_bytes);
121 }
122
123 } // namespace
124
125 ///////////////////////////////////////////////////////////////////////////////
126 //
127 // DownloadsUI
128 //
129 ///////////////////////////////////////////////////////////////////////////////
130
DownloadsUI(TabContents * contents)131 DownloadsUI::DownloadsUI(TabContents* contents) : WebUI(contents) {
132 DownloadManager* dlm = GetProfile()->GetDownloadManager();
133
134 DownloadsDOMHandler* handler = new DownloadsDOMHandler(dlm);
135 AddMessageHandler(handler);
136 handler->Attach(this);
137 handler->Init();
138
139 DownloadsUIHTMLSource* html_source = new DownloadsUIHTMLSource();
140
141 // Set up the chrome://downloads/ source.
142 contents->profile()->GetChromeURLDataManager()->AddDataSource(html_source);
143 }
144
145 // static
GetFaviconResourceBytes()146 RefCountedMemory* DownloadsUI::GetFaviconResourceBytes() {
147 return ResourceBundle::GetSharedInstance().
148 LoadDataResourceBytes(IDR_DOWNLOADS_FAVICON);
149 }
150