chrome/browser/task_manager/background_information.cc

   1 // Copyright 2014 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_manager/background_information.h"
   6
   7 #include "base/i18n/rtl.h"
   8 #include "base/strings/string16.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/background/background_contents_service.h"
  11 #include "chrome/browser/background/background_contents_service_factory.h"
  12 #include "chrome/browser/browser_process.h"
  13 #include "chrome/browser/chrome_notification_types.h"
  14 #include "chrome/browser/extensions/extension_service.h"
  15 #include "chrome/browser/profiles/profile.h"
  16 #include "chrome/browser/profiles/profile_manager.h"
  17 #include "chrome/browser/tab_contents/background_contents.h"
  18 #include "chrome/browser/task_manager/renderer_resource.h"
  19 #include "chrome/browser/task_manager/resource_provider.h"
  20 #include "chrome/browser/task_manager/task_manager.h"
  21 #include "content/public/browser/notification_service.h"
  22 #include "content/public/browser/render_frame_host.h"
  23 #include "content/public/browser/render_process_host.h"
  24 #include "content/public/browser/render_view_host.h"
  25 #include "content/public/browser/web_contents.h"
  26 #include "extensions/browser/view_type_utils.h"
  27 #include "extensions/common/extension.h"
  28 #include "grit/generated_resources.h"
  29 #include "grit/theme_resources.h"
  30 #include "ui/base/l10n/l10n_util.h"
  31 #include "ui/base/resource/resource_bundle.h"
  32 #include "ui/gfx/image/image_skia.h"
  33
  34 using content::RenderProcessHost;
  35 using content::RenderViewHost;
  36 using content::WebContents;
  37 using extensions::Extension;
  38
  39 namespace task_manager {
  40
  41 class BackgroundContentsResource : public RendererResource {
  42  public:
  43   BackgroundContentsResource(BackgroundContents* background_contents,
  44                              const base::string16& application_name);
  45   virtual ~BackgroundContentsResource();
  46
  47   // Resource methods:
  48   virtual base::string16 GetTitle() const OVERRIDE;
  49   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
  50
  51   const base::string16& application_name() const { return application_name_; }
  52
  53  private:
  54   BackgroundContents* background_contents_;
  55
  56   base::string16 application_name_;
  57
  58   // The icon painted for BackgroundContents.
  59   // TODO(atwilson): Use the favicon when there's a way to get the favicon for
  60   // BackgroundContents.
  61   static gfx::ImageSkia* default_icon_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(BackgroundContentsResource);
  64 };
  65
  66 gfx::ImageSkia* BackgroundContentsResource::default_icon_ = NULL;
  67
  68 BackgroundContentsResource::BackgroundContentsResource(
  69     BackgroundContents* background_contents,
  70     const base::string16& application_name)
  71     : RendererResource(
  72           background_contents->web_contents()->GetRenderProcessHost()->
  73               GetHandle(),
  74           background_contents->web_contents()->GetRenderViewHost()),
  75       background_contents_(background_contents),
  76       application_name_(application_name) {
  77   // Just use the same icon that other extension resources do.
  78   // TODO(atwilson): Use the favicon when that's available.
  79   if (!default_icon_) {
  80     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
  81     default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGINS_FAVICON);
  82   }
  83   // Ensure that the string has the appropriate direction markers (see comment
  84   // in TabContentsResource::GetTitle()).
  85   base::i18n::AdjustStringForLocaleDirection(&application_name_);
  86 }
  87
  88 BackgroundContentsResource::~BackgroundContentsResource() {}
  89
  90 base::string16 BackgroundContentsResource::GetTitle() const {
  91   base::string16 title = application_name_;
  92
  93   if (title.empty()) {
  94     // No title (can't locate the parent app for some reason) so just display
  95     // the URL (properly forced to be LTR).
  96     title = base::i18n::GetDisplayStringInLTRDirectionality(
  97         base::UTF8ToUTF16(background_contents_->GetURL().spec()));
  98   }
  99   return l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_BACKGROUND_PREFIX, title);
 100 }
 101
 102 gfx::ImageSkia BackgroundContentsResource::GetIcon() const {
 103   return *default_icon_;
 104 }
 105
 106 ////////////////////////////////////////////////////////////////////////////////
 107 // BackgroundInformation class
 108 ////////////////////////////////////////////////////////////////////////////////
 109
 110 BackgroundInformation::BackgroundInformation() {}
 111
 112 BackgroundInformation::~BackgroundInformation() {}
 113
 114 bool BackgroundInformation::CheckOwnership(WebContents* web_contents) {
 115   extensions::ViewType view_type = extensions::GetViewType(web_contents);
 116   return view_type == extensions::VIEW_TYPE_BACKGROUND_CONTENTS;
 117 }
 118
 119 void BackgroundInformation::GetAll(const NewWebContentsCallback& callback) {
 120   // Add all the existing BackgroundContents from every profile, including
 121   // incognito profiles.
 122   ProfileManager* profile_manager = g_browser_process->profile_manager();
 123   std::vector<Profile*> profiles(profile_manager->GetLoadedProfiles());
 124   size_t num_default_profiles = profiles.size();
 125   for (size_t i = 0; i < num_default_profiles; ++i) {
 126     if (profiles[i]->HasOffTheRecordProfile()) {
 127       profiles.push_back(profiles[i]->GetOffTheRecordProfile());
 128     }
 129   }
 130   for (size_t i = 0; i < profiles.size(); ++i) {
 131     BackgroundContentsService* background_contents_service =
 132         BackgroundContentsServiceFactory::GetForProfile(profiles[i]);
 133     std::vector<BackgroundContents*> contents =
 134         background_contents_service->GetBackgroundContents();
 135     for (std::vector<BackgroundContents*>::iterator iterator = contents.begin();
 136          iterator != contents.end();
 137          ++iterator) {
 138       callback.Run((*iterator)->web_contents());
 139     }
 140   }
 141 }
 142
 143 scoped_ptr<RendererResource> BackgroundInformation::MakeResource(
 144     WebContents* web_contents) {
 145   Profile* profile =
 146       Profile::FromBrowserContext(web_contents->GetBrowserContext());
 147   ExtensionService* extension_service = profile->GetExtensionService();
 148   BackgroundContentsService* background_contents_service =
 149       BackgroundContentsServiceFactory::GetForProfile(profile);
 150   std::vector<BackgroundContents*> contents =
 151       background_contents_service->GetBackgroundContents();
 152   for (std::vector<BackgroundContents*>::iterator iterator = contents.begin();
 153        iterator != contents.end();
 154        ++iterator) {
 155     if ((*iterator)->web_contents() == web_contents) {
 156       base::string16 application_name;
 157       // Lookup the name from the parent extension.
 158       if (extension_service) {
 159         const base::string16& application_id =
 160             background_contents_service->GetParentApplicationId(*iterator);
 161         const Extension* extension = extension_service->GetExtensionById(
 162             base::UTF16ToUTF8(application_id), false);
 163         if (extension)
 164           application_name = base::UTF8ToUTF16(extension->name());
 165       }
 166       return scoped_ptr<RendererResource>(
 167           new BackgroundContentsResource(*iterator, application_name));
 168     }
 169   }
 170   NOTREACHED();
 171   return scoped_ptr<RendererResource>();
 172 }
 173
 174 }  // namespace task_manager