chrome/browser/ui/webui/downloads_ui.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 "chrome/browser/ui/webui/downloads_ui.h"
   6
   7 #include "base/memory/ref_counted_memory.h"
   8 #include "base/memory/singleton.h"
   9 #include "base/prefs/pref_service.h"
  10 #include "base/strings/string_piece.h"
  11 #include "base/threading/thread.h"
  12 #include "base/values.h"
  13 #include "chrome/browser/defaults.h"
  14 #include "chrome/browser/download/download_service.h"
  15 #include "chrome/browser/download/download_service_factory.h"
  16 #include "chrome/browser/profiles/profile.h"
  17 #include "chrome/browser/ui/webui/downloads_dom_handler.h"
  18 #include "chrome/browser/ui/webui/downloads_util.h"
  19 #include "chrome/browser/ui/webui/theme_source.h"
  20 #include "chrome/common/chrome_switches.h"
  21 #include "chrome/common/pref_names.h"
  22 #include "chrome/common/url_constants.h"
  23 #include "chrome/grit/chromium_strings.h"
  24 #include "chrome/grit/generated_resources.h"
  25 #include "content/public/browser/download_manager.h"
  26 #include "content/public/browser/url_data_source.h"
  27 #include "content/public/browser/web_contents.h"
  28 #include "content/public/browser/web_ui.h"
  29 #include "content/public/browser/web_ui_data_source.h"
  30 #include "grit/browser_resources.h"
  31 #include "grit/theme_resources.h"
  32 #include "ui/base/resource/resource_bundle.h"
  33
  34 using content::BrowserContext;
  35 using content::DownloadManager;
  36 using content::WebContents;
  37
  38 namespace {
  39
  40 content::WebUIDataSource* CreateDownloadsUIHTMLSource(Profile* profile) {
  41   content::WebUIDataSource* source =
  42       content::WebUIDataSource::Create(chrome::kChromeUIDownloadsHost);
  43
  44   source->AddLocalizedString("title", IDS_DOWNLOAD_TITLE);
  45   source->AddLocalizedString("searchResultsFor", IDS_DOWNLOAD_SEARCHRESULTSFOR);
  46   source->AddLocalizedString("downloads", IDS_DOWNLOAD_TITLE);
  47   source->AddLocalizedString("clearAll", IDS_DOWNLOAD_LINK_CLEAR_ALL);
  48   source->AddLocalizedString("openDownloadsFolder",
  49                              IDS_DOWNLOAD_LINK_OPEN_DOWNLOADS_FOLDER);
  50
  51   // No results message that shows instead of the downloads list.
  52   source->AddLocalizedString("noSearchResults",
  53                              IDS_DOWNLOAD_NO_SEARCH_RESULTS);
  54
  55   // Status.
  56   source->AddLocalizedString("statusCancelled", IDS_DOWNLOAD_TAB_CANCELLED);
  57   source->AddLocalizedString("statusRemoved", IDS_DOWNLOAD_FILE_REMOVED);
  58
  59   // Dangerous file.
  60   source->AddLocalizedString("dangerFileDesc", IDS_PROMPT_DANGEROUS_DOWNLOAD);
  61   source->AddLocalizedString("dangerUrlDesc",
  62                              IDS_PROMPT_MALICIOUS_DOWNLOAD_URL);
  63   source->AddLocalizedString("dangerContentDesc",
  64                              IDS_PROMPT_MALICIOUS_DOWNLOAD_CONTENT);
  65   source->AddLocalizedString("dangerUncommonDesc",
  66                              IDS_PROMPT_UNCOMMON_DOWNLOAD_CONTENT);
  67   source->AddLocalizedString("dangerSettingsDesc",
  68                              IDS_PROMPT_DOWNLOAD_CHANGES_SETTINGS);
  69   source->AddLocalizedString("dangerSave", IDS_CONFIRM_DOWNLOAD);
  70   source->AddLocalizedString("dangerRestore", IDS_CONFIRM_DOWNLOAD_RESTORE);
  71   source->AddLocalizedString("dangerDiscard", IDS_DISCARD_DOWNLOAD);
  72
  73   // Controls.
  74   source->AddLocalizedString("controlPause", IDS_DOWNLOAD_LINK_PAUSE);
  75   if (browser_defaults::kDownloadPageHasShowInFolder)
  76     source->AddLocalizedString("controlShowInFolder", IDS_DOWNLOAD_LINK_SHOW);
  77   source->AddLocalizedString("controlCancel", IDS_DOWNLOAD_LINK_CANCEL);
  78   source->AddLocalizedString("controlResume", IDS_DOWNLOAD_LINK_RESUME);
  79   source->AddLocalizedString("controlRemoveFromList",
  80                              IDS_DOWNLOAD_LINK_REMOVE);
  81   source->AddLocalizedString("controlByExtension",
  82                              IDS_DOWNLOAD_BY_EXTENSION);
  83
  84   PrefService* prefs = profile->GetPrefs();
  85   source->AddBoolean("allowDeletingHistory",
  86                      prefs->GetBoolean(prefs::kAllowDeletingBrowserHistory) &&
  87                      !profile->IsSupervised());
  88
  89   source->SetJsonPath("strings.js");
  90   source->AddResourcePath("constants.html", IDR_DOWNLOADS_CONSTANTS_HTML);
  91   source->AddResourcePath("constants.js", IDR_DOWNLOADS_CONSTANTS_JS);
  92   source->AddResourcePath("throttled_icon_loader.html",
  93                           IDR_DOWNLOADS_THROTTLED_ICON_LOADER_HTML);
  94   source->AddResourcePath("throttled_icon_loader.js",
  95                           IDR_DOWNLOADS_THROTTLED_ICON_LOADER_JS);
  96
  97   if (MdDownloadsEnabled()) {
  98     source->AddLocalizedString("search", IDS_MD_DOWNLOAD_SEARCH);
  99     source->AddLocalizedString("controlRetry", IDS_MD_DOWNLOAD_LINK_RETRY);
 100     source->AddLocalizedString("noDownloads", IDS_MD_DOWNLOAD_NO_DOWNLOADS);
 101
 102     source->AddResourcePath("action_service.html",
 103                             IDR_MD_DOWNLOADS_ACTION_SERVICE_HTML);
 104     source->AddResourcePath("action_service.js",
 105                             IDR_MD_DOWNLOADS_ACTION_SERVICE_JS);
 106     source->AddResourcePath("focus_row.html", IDR_MD_DOWNLOADS_FOCUS_ROW_HTML);
 107     source->AddResourcePath("focus_row.js", IDR_MD_DOWNLOADS_FOCUS_ROW_JS);
 108     source->AddResourcePath("item.css", IDR_MD_DOWNLOADS_ITEM_CSS);
 109     source->AddResourcePath("item.html", IDR_MD_DOWNLOADS_ITEM_HTML);
 110     source->AddResourcePath("item.js", IDR_MD_DOWNLOADS_ITEM_JS);
 111     source->AddResourcePath("manager.css", IDR_MD_DOWNLOADS_MANAGER_CSS);
 112     source->AddResourcePath("manager.html", IDR_MD_DOWNLOADS_MANAGER_HTML);
 113     source->AddResourcePath("manager.js", IDR_MD_DOWNLOADS_MANAGER_JS);
 114     source->AddResourcePath("shared_style.css",
 115                             IDR_MD_DOWNLOADS_SHARED_STYLE_CSS);
 116     source->AddResourcePath("strings.html", IDR_MD_DOWNLOADS_STRINGS_HTML);
 117     source->AddResourcePath("toolbar.css", IDR_MD_DOWNLOADS_TOOLBAR_CSS);
 118     source->AddResourcePath("toolbar.html", IDR_MD_DOWNLOADS_TOOLBAR_HTML);
 119     source->AddResourcePath("toolbar.js", IDR_MD_DOWNLOADS_TOOLBAR_JS);
 120     source->SetDefaultResource(IDR_MD_DOWNLOADS_DOWNLOADS_HTML);
 121   } else {
 122     source->AddLocalizedString("searchButton", IDS_DOWNLOAD_SEARCH_BUTTON);
 123     source->AddLocalizedString("controlRetry", IDS_DOWNLOAD_LINK_RETRY);
 124     source->AddLocalizedString("noDownloads", IDS_DOWNLOAD_NO_DOWNLOADS);
 125
 126     source->AddResourcePath("item_view.js", IDR_DOWNLOADS_ITEM_VIEW_JS);
 127     source->AddResourcePath("focus_row.js", IDR_DOWNLOADS_FOCUS_ROW_JS);
 128     source->AddResourcePath("manager.js", IDR_DOWNLOADS_MANAGER_JS);
 129     source->SetDefaultResource(IDR_DOWNLOADS_DOWNLOADS_HTML);
 130   }
 131
 132   return source;
 133 }
 134
 135 }  // namespace
 136
 137 ///////////////////////////////////////////////////////////////////////////////
 138 //
 139 // DownloadsUI
 140 //
 141 ///////////////////////////////////////////////////////////////////////////////
 142
 143 DownloadsUI::DownloadsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
 144   Profile* profile = Profile::FromWebUI(web_ui);
 145   DownloadManager* dlm = BrowserContext::GetDownloadManager(profile);
 146
 147   DownloadsDOMHandler* handler = new DownloadsDOMHandler(dlm);
 148   web_ui->AddMessageHandler(handler);
 149
 150   // Set up the chrome://downloads/ source.
 151   content::WebUIDataSource* source = CreateDownloadsUIHTMLSource(profile);
 152   content::WebUIDataSource::Add(profile, source);
 153 #if defined(ENABLE_THEMES)
 154   ThemeSource* theme = new ThemeSource(profile);
 155   content::URLDataSource::Add(profile, theme);
 156 #endif
 157 }
 158
 159 // static
 160 base::RefCountedMemory* DownloadsUI::GetFaviconResourceBytes(
 161       ui::ScaleFactor scale_factor) {
 162   return ResourceBundle::GetSharedInstance().
 163       LoadDataResourceBytesForScale(IDR_DOWNLOADS_FAVICON, scale_factor);
 164 }