chrome/browser/task_management/providers/web_contents/background_contents_task.cc

   1 // Copyright 2015 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/task_management/providers/web_contents/background_contents_task.h"
   6
   7 #include "base/i18n/rtl.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/browser/background/background_contents_service.h"
  10 #include "chrome/browser/background/background_contents_service_factory.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/browser/profiles/profile_manager.h"
  13 #include "chrome/grit/generated_resources.h"
  14 #include "content/public/browser/render_process_host.h"
  15 #include "content/public/browser/web_contents.h"
  16 #include "extensions/browser/extension_registry.h"
  17 #include "extensions/browser/view_type_utils.h"
  18 #include "extensions/common/extension_set.h"
  19 #include "grit/theme_resources.h"
  20 #include "ui/base/l10n/l10n_util.h"
  21 #include "ui/base/resource/resource_bundle.h"
  22 #include "ui/gfx/image/image_skia.h"
  23
  24 namespace task_management {
  25
  26 namespace {
  27
  28 // The default icon for the background webcontents task.
  29 gfx::ImageSkia* g_default_icon = nullptr;
  30
  31 gfx::ImageSkia* GetDefaultIcon() {
  32   if (!g_default_icon && ResourceBundle::HasSharedInstance()) {
  33     g_default_icon = ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
  34         IDR_PLUGINS_FAVICON);
  35   }
  36
  37   return g_default_icon;
  38 }
  39
  40 base::string16 AdjustAndLocalizeTitle(const base::string16& title,
  41                                       const std::string& url_spec) {
  42   base::string16 localized_title(title);
  43   if (localized_title.empty()) {
  44     // No title (can't locate the parent app for some reason) so just display
  45     // the URL (properly forced to be LTR).
  46     localized_title = base::i18n::GetDisplayStringInLTRDirectionality(
  47         base::UTF8ToUTF16(url_spec));
  48   }
  49
  50   // Ensure that the string has the appropriate direction markers.
  51   base::i18n::AdjustStringForLocaleDirection(&localized_title);
  52   return l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_BACKGROUND_PREFIX,
  53                                     localized_title);
  54 }
  55
  56 }  // namespace
  57
  58 BackgroundContentsTask::BackgroundContentsTask(
  59     const base::string16& title,
  60     BackgroundContents* background_contents)
  61     : RendererTask(
  62         AdjustAndLocalizeTitle(title, background_contents->GetURL().spec()),
  63         GetDefaultIcon(),
  64         background_contents->web_contents(),
  65         background_contents->web_contents()->GetRenderProcessHost()) {
  66 }
  67
  68 BackgroundContentsTask::~BackgroundContentsTask() {
  69 }
  70
  71 void BackgroundContentsTask::OnTitleChanged(content::NavigationEntry* entry) {
  72   // TODO(afakhry): At the time of integration testing figure out whether we
  73   // need to change the title of the task here.
  74 }
  75
  76 void BackgroundContentsTask::OnFaviconChanged() {
  77   // We don't do anything here. For background contents we always use the
  78   // default icon.
  79 }
  80
  81 }  // namespace task_management