src/chrome/browser/task_manager/extension_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/extension_information.h"
   6
   7 #include "base/strings/string16.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/browser/browser_process.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/profiles/profile_manager.h"
  12 #include "chrome/browser/task_manager/renderer_resource.h"
  13 #include "chrome/browser/task_manager/task_manager_util.h"
  14 #include "content/public/browser/render_frame_host.h"
  15 #include "content/public/browser/render_process_host.h"
  16 #include "content/public/browser/render_view_host.h"
  17 #include "content/public/browser/web_contents.h"
  18 #include "extensions/browser/extension_system.h"
  19 #include "extensions/browser/guest_view/guest_view_base.h"
  20 #include "extensions/browser/process_manager.h"
  21 #include "extensions/browser/view_type_utils.h"
  22 #include "extensions/common/extension.h"
  23 #include "grit/theme_resources.h"
  24 #include "ui/base/l10n/l10n_util.h"
  25 #include "ui/base/resource/resource_bundle.h"
  26 #include "ui/gfx/image/image_skia.h"
  27
  28 using content::WebContents;
  29 using extensions::Extension;
  30
  31 namespace {
  32
  33 const Extension* GetExtensionForWebContents(WebContents* web_contents) {
  34   Profile* profile =
  35       Profile::FromBrowserContext(web_contents->GetBrowserContext());
  36   extensions::ProcessManager* process_manager =
  37       extensions::ExtensionSystem::Get(profile)->process_manager();
  38   return process_manager->GetExtensionForRenderViewHost(
  39       web_contents->GetRenderViewHost());
  40 }
  41
  42 }  // namespace
  43
  44 namespace task_manager {
  45
  46 class ExtensionProcessResource : public RendererResource {
  47  public:
  48   explicit ExtensionProcessResource(const Extension* extension,
  49                                     content::RenderViewHost* render_view_host);
  50   virtual ~ExtensionProcessResource();
  51
  52   // Resource methods:
  53   virtual base::string16 GetTitle() const OVERRIDE;
  54   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
  55   virtual Type GetType() const OVERRIDE;
  56
  57  private:
  58   // Returns true if the associated extension has a background page.
  59   bool IsBackground() const;
  60
  61   // The icon painted for the extension process.
  62   static gfx::ImageSkia* default_icon_;
  63
  64   // Cached data about the extension.
  65   base::string16 title_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(ExtensionProcessResource);
  68 };
  69
  70 gfx::ImageSkia* ExtensionProcessResource::default_icon_ = NULL;
  71
  72 ExtensionProcessResource::ExtensionProcessResource(
  73     const Extension* extension,
  74     content::RenderViewHost* render_view_host)
  75     : RendererResource(render_view_host->GetProcess()->GetHandle(),
  76                        render_view_host) {
  77   if (!default_icon_) {
  78     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
  79     default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGINS_FAVICON);
  80   }
  81   base::string16 extension_name = base::UTF8ToUTF16(extension->name());
  82   DCHECK(!extension_name.empty());
  83
  84   Profile* profile = Profile::FromBrowserContext(
  85       render_view_host->GetProcess()->GetBrowserContext());
  86   int message_id = util::GetMessagePrefixID(extension->is_app(),
  87                                             true,  // is_extension
  88                                             profile->IsOffTheRecord(),
  89                                             false,  // is_prerender
  90                                             IsBackground());
  91   title_ = l10n_util::GetStringFUTF16(message_id, extension_name);
  92 }
  93
  94 ExtensionProcessResource::~ExtensionProcessResource() {}
  95
  96 base::string16 ExtensionProcessResource::GetTitle() const { return title_; }
  97
  98 gfx::ImageSkia ExtensionProcessResource::GetIcon() const {
  99   return *default_icon_;
 100 }
 101
 102 Resource::Type ExtensionProcessResource::GetType() const { return EXTENSION; }
 103
 104 bool ExtensionProcessResource::IsBackground() const {
 105   WebContents* web_contents =
 106       WebContents::FromRenderViewHost(render_view_host());
 107   extensions::ViewType view_type = extensions::GetViewType(web_contents);
 108   return view_type == extensions::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE;
 109 }
 110
 111 ////////////////////////////////////////////////////////////////////////////////
 112 // ExtensionInformation class
 113 ////////////////////////////////////////////////////////////////////////////////
 114
 115 ExtensionInformation::ExtensionInformation() {}
 116
 117 ExtensionInformation::~ExtensionInformation() {}
 118
 119 void ExtensionInformation::GetAll(const NewWebContentsCallback& callback) {
 120   // Add all the existing extension views from all Profiles, including those
 121   // from incognito split mode.
 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
 131   for (size_t i = 0; i < profiles.size(); ++i) {
 132     extensions::ProcessManager* process_manager =
 133         extensions::ExtensionSystem::Get(profiles[i])->process_manager();
 134     if (process_manager) {
 135       const extensions::ProcessManager::ViewSet all_views =
 136           process_manager->GetAllViews();
 137       extensions::ProcessManager::ViewSet::const_iterator jt =
 138           all_views.begin();
 139       for (; jt != all_views.end(); ++jt) {
 140         WebContents* web_contents = WebContents::FromRenderViewHost(*jt);
 141         if (CheckOwnership(web_contents))
 142           callback.Run(web_contents);
 143       }
 144     }
 145   }
 146 }
 147
 148 bool ExtensionInformation::CheckOwnership(WebContents* web_contents) {
 149   // Don't add WebContents that belong to a guest (those are handled by
 150   // GuestInformation). Otherwise they will be added twice.
 151   if (extensions::GuestViewBase::IsGuest(web_contents))
 152     return false;
 153
 154   // Extension WebContents tracked by this class will always host extension
 155   // content.
 156   if (!GetExtensionForWebContents(web_contents))
 157     return false;
 158
 159   extensions::ViewType view_type = extensions::GetViewType(web_contents);
 160
 161   // Don't add tab contents (those are handled by TabContentsResourceProvider)
 162   // or background contents (handled by BackgroundInformation) or panels
 163   // (handled by PanelInformation)
 164   return (view_type != extensions::VIEW_TYPE_INVALID &&
 165           view_type != extensions::VIEW_TYPE_TAB_CONTENTS &&
 166           view_type != extensions::VIEW_TYPE_BACKGROUND_CONTENTS &&
 167           view_type != extensions::VIEW_TYPE_PANEL);
 168 }
 169
 170 scoped_ptr<RendererResource> ExtensionInformation::MakeResource(
 171     WebContents* web_contents) {
 172   const Extension* extension = GetExtensionForWebContents(web_contents);
 173   if (!extension) {
 174     NOTREACHED();
 175     return scoped_ptr<RendererResource>();
 176   }
 177   return scoped_ptr<RendererResource>(new ExtensionProcessResource(
 178       extension, web_contents->GetRenderViewHost()));
 179 }
 180
 181 }  // namespace task_manager