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/theme_source.h"
  19 #include "chrome/common/pref_names.h"
  20 #include "chrome/common/url_constants.h"
  21 #include "chrome/grit/chromium_strings.h"
  22 #include "chrome/grit/generated_resources.h"
  23 #include "content/public/browser/download_manager.h"
  24 #include "content/public/browser/url_data_source.h"
  25 #include "content/public/browser/web_contents.h"
  26 #include "content/public/browser/web_ui.h"
  27 #include "content/public/browser/web_ui_data_source.h"
  28 #include "grit/browser_resources.h"
  29 #include "grit/theme_resources.h"
  30 #include "ui/base/resource/resource_bundle.h"
  31
  32 using content::BrowserContext;
  33 using content::DownloadManager;
  34 using content::WebContents;
  35
  36 namespace {
  37
  38 content::WebUIDataSource* CreateDownloadsUIHTMLSource(Profile* profile) {
  39   content::WebUIDataSource* source =
  40       content::WebUIDataSource::Create(chrome::kChromeUIDownloadsHost);
  41
  42   source->AddLocalizedString("title", IDS_DOWNLOAD_TITLE);
  43   source->AddLocalizedString("searchbutton", IDS_DOWNLOAD_SEARCH_BUTTON);
  44   source->AddLocalizedString("searchresultsfor", IDS_DOWNLOAD_SEARCHRESULTSFOR);
  45   source->AddLocalizedString("downloads", IDS_DOWNLOAD_TITLE);
  46   source->AddLocalizedString("clear_all", IDS_DOWNLOAD_LINK_CLEAR_ALL);
  47   source->AddLocalizedString("open_downloads_folder",
  48                              IDS_DOWNLOAD_LINK_OPEN_DOWNLOADS_FOLDER);
  49
  50   // No results/downloads messages that show instead of the downloads list.
  51   source->AddLocalizedString("no_downloads", IDS_DOWNLOAD_NO_DOWNLOADS);
  52   source->AddLocalizedString("no_search_results",
  53                              IDS_DOWNLOAD_NO_SEARCH_RESULTS);
  54
  55   // Status.
  56   source->AddLocalizedString("status_cancelled", IDS_DOWNLOAD_TAB_CANCELLED);
  57   source->AddLocalizedString("status_removed", IDS_DOWNLOAD_FILE_REMOVED);
  58   source->AddLocalizedString("status_paused", IDS_DOWNLOAD_PROGRESS_PAUSED);
  59
  60   // Dangerous file.
  61   source->AddLocalizedString("danger_file_desc", IDS_PROMPT_DANGEROUS_DOWNLOAD);
  62   source->AddLocalizedString("danger_url_desc",
  63                              IDS_PROMPT_MALICIOUS_DOWNLOAD_URL);
  64   source->AddLocalizedString("danger_content_desc",
  65                              IDS_PROMPT_MALICIOUS_DOWNLOAD_CONTENT);
  66   source->AddLocalizedString("danger_uncommon_desc",
  67                              IDS_PROMPT_UNCOMMON_DOWNLOAD_CONTENT);
  68   source->AddLocalizedString("danger_settings_desc",
  69                              IDS_PROMPT_DOWNLOAD_CHANGES_SETTINGS);
  70   source->AddLocalizedString("danger_save", IDS_CONFIRM_DOWNLOAD);
  71   source->AddLocalizedString("danger_restore", IDS_CONFIRM_DOWNLOAD_RESTORE);
  72   source->AddLocalizedString("danger_discard", IDS_DISCARD_DOWNLOAD);
  73
  74   // Controls.
  75   source->AddLocalizedString("control_pause", IDS_DOWNLOAD_LINK_PAUSE);
  76   if (browser_defaults::kDownloadPageHasShowInFolder) {
  77     source->AddLocalizedString("control_showinfolder", IDS_DOWNLOAD_LINK_SHOW);
  78   }
  79   source->AddLocalizedString("control_retry", IDS_DOWNLOAD_LINK_RETRY);
  80   source->AddLocalizedString("control_cancel", IDS_DOWNLOAD_LINK_CANCEL);
  81   source->AddLocalizedString("control_resume", IDS_DOWNLOAD_LINK_RESUME);
  82   source->AddLocalizedString("control_removefromlist",
  83                              IDS_DOWNLOAD_LINK_REMOVE);
  84   source->AddLocalizedString("control_by_extension",
  85                              IDS_DOWNLOAD_BY_EXTENSION);
  86
  87   PrefService* prefs = profile->GetPrefs();
  88   source->AddBoolean("allow_deleting_history",
  89                      prefs->GetBoolean(prefs::kAllowDeletingBrowserHistory) &&
  90                      !profile->IsSupervised());
  91
  92   source->SetJsonPath("strings.js");
  93   source->AddResourcePath("downloads.css", IDR_DOWNLOADS_CSS);
  94   source->AddResourcePath("downloads.js", IDR_DOWNLOADS_JS);
  95   source->SetDefaultResource(IDR_DOWNLOADS_HTML);
  96
  97   return source;
  98 }
  99
 100 }  // namespace
 101
 102 ///////////////////////////////////////////////////////////////////////////////
 103 //
 104 // DownloadsUI
 105 //
 106 ///////////////////////////////////////////////////////////////////////////////
 107
 108 DownloadsUI::DownloadsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
 109   Profile* profile = Profile::FromWebUI(web_ui);
 110   DownloadManager* dlm = BrowserContext::GetDownloadManager(profile);
 111
 112   DownloadsDOMHandler* handler = new DownloadsDOMHandler(dlm);
 113   web_ui->AddMessageHandler(handler);
 114
 115   // Set up the chrome://downloads/ source.
 116   content::WebUIDataSource* source = CreateDownloadsUIHTMLSource(profile);
 117   content::WebUIDataSource::Add(profile, source);
 118 #if defined(ENABLE_THEMES)
 119   ThemeSource* theme = new ThemeSource(profile);
 120   content::URLDataSource::Add(profile, theme);
 121 #endif
 122 }
 123
 124 // static
 125 base::RefCountedMemory* DownloadsUI::GetFaviconResourceBytes(
 126       ui::ScaleFactor scale_factor) {
 127   return ResourceBundle::GetSharedInstance().
 128       LoadDataResourceBytesForScale(IDR_DOWNLOADS_FAVICON, scale_factor);
 129 }