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/process_manager.h"
  20 #include "extensions/browser/view_type_utils.h"
  21 #include "extensions/common/extension.h"
  22 #include "grit/theme_resources.h"
  23 #include "ui/base/l10n/l10n_util.h"
  24 #include "ui/base/resource/resource_bundle.h"
  25 #include "ui/gfx/image/image_skia.h"
  26
  27 using content::WebContents;
  28 using extensions::Extension;
  29
  30 namespace {
  31
  32 const Extension* GetExtensionForWebContents(WebContents* web_contents) {
  33   Profile* profile =
  34       Profile::FromBrowserContext(web_contents->GetBrowserContext());
  35   extensions::ProcessManager* process_manager =
  36       extensions::ExtensionSystem::Get(profile)->process_manager();
  37   return process_manager->GetExtensionForRenderViewHost(
  38       web_contents->GetRenderViewHost());
  39 }
  40
  41 }  // namespace
  42
  43 namespace task_manager {
  44
  45 class ExtensionProcessResource : public RendererResource {
  46  public:
  47   explicit ExtensionProcessResource(const Extension* extension,
  48                                     content::RenderViewHost* render_view_host);
  49   virtual ~ExtensionProcessResource();
  50
  51   // Resource methods:
  52   virtual base::string16 GetTitle() const OVERRIDE;
  53   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
  54   virtual Type GetType() const OVERRIDE;
  55
  56  private:
  57   // Returns true if the associated extension has a background page.
  58   bool IsBackground() const;
  59
  60   // The icon painted for the extension process.
  61   static gfx::ImageSkia* default_icon_;
  62
  63   // Cached data about the extension.
  64   base::string16 title_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(ExtensionProcessResource);
  67 };
  68
  69 gfx::ImageSkia* ExtensionProcessResource::default_icon_ = NULL;
  70
  71 ExtensionProcessResource::ExtensionProcessResource(
  72     const Extension* extension,
  73     content::RenderViewHost* render_view_host)
  74     : RendererResource(render_view_host->GetProcess()->GetHandle(),
  75                        render_view_host) {
  76   if (!default_icon_) {
  77     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
  78     default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGINS_FAVICON);
  79   }
  80   base::string16 extension_name = base::UTF8ToUTF16(extension->name());
  81   DCHECK(!extension_name.empty());
  82
  83   Profile* profile = Profile::FromBrowserContext(
  84       render_view_host->GetProcess()->GetBrowserContext());
  85   int message_id = util::GetMessagePrefixID(extension->is_app(),
  86                                             true,  // is_extension
  87                                             profile->IsOffTheRecord(),
  88                                             false,  // is_prerender
  89                                             IsBackground());
  90   title_ = l10n_util::GetStringFUTF16(message_id, extension_name);
  91 }
  92
  93 ExtensionProcessResource::~ExtensionProcessResource() {}
  94
  95 base::string16 ExtensionProcessResource::GetTitle() const { return title_; }
  96
  97 gfx::ImageSkia ExtensionProcessResource::GetIcon() const {
  98   return *default_icon_;
  99 }
 100
 101 Resource::Type ExtensionProcessResource::GetType() const { return EXTENSION; }
 102
 103 bool ExtensionProcessResource::IsBackground() const {
 104   WebContents* web_contents =
 105       WebContents::FromRenderViewHost(render_view_host());
 106   extensions::ViewType view_type = extensions::GetViewType(web_contents);
 107   return view_type == extensions::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE;
 108 }
 109
 110 ////////////////////////////////////////////////////////////////////////////////
 111 // ExtensionInformation class
 112 ////////////////////////////////////////////////////////////////////////////////
 113
 114 ExtensionInformation::ExtensionInformation() {}
 115
 116 ExtensionInformation::~ExtensionInformation() {}
 117
 118 void ExtensionInformation::GetAll(const NewWebContentsCallback& callback) {
 119   // Add all the existing extension views from all Profiles, including those
 120   // from incognito split mode.
 121   ProfileManager* profile_manager = g_browser_process->profile_manager();
 122   std::vector<Profile*> profiles(profile_manager->GetLoadedProfiles());
 123   size_t num_default_profiles = profiles.size();
 124   for (size_t i = 0; i < num_default_profiles; ++i) {
 125     if (profiles[i]->HasOffTheRecordProfile()) {
 126       profiles.push_back(profiles[i]->GetOffTheRecordProfile());
 127     }
 128   }
 129
 130   for (size_t i = 0; i < profiles.size(); ++i) {
 131     extensions::ProcessManager* process_manager =
 132         extensions::ExtensionSystem::Get(profiles[i])->process_manager();
 133     if (process_manager) {
 134       const extensions::ProcessManager::ViewSet all_views =
 135           process_manager->GetAllViews();
 136       extensions::ProcessManager::ViewSet::const_iterator jt =
 137           all_views.begin();
 138       for (; jt != all_views.end(); ++jt) {
 139         WebContents* web_contents = WebContents::FromRenderViewHost(*jt);
 140         if (CheckOwnership(web_contents))
 141           callback.Run(web_contents);
 142       }
 143     }
 144   }
 145 }
 146
 147 bool ExtensionInformation::CheckOwnership(WebContents* web_contents) {
 148   // Don't add WebContents that belong to a guest (those are handled by
 149   // GuestInformation). Otherwise they will be added twice.
 150   if (web_contents->GetRenderProcessHost()->IsGuest())
 151     return false;
 152
 153   // Extension WebContents tracked by this class will always host extension
 154   // content.
 155   if (!GetExtensionForWebContents(web_contents))
 156     return false;
 157
 158   extensions::ViewType view_type = extensions::GetViewType(web_contents);
 159
 160   // Don't add tab contents (those are handled by TabContentsResourceProvider)
 161   // or background contents (handled by BackgroundInformation) or panels
 162   // (handled by PanelInformation)
 163   return (view_type != extensions::VIEW_TYPE_INVALID &&
 164           view_type != extensions::VIEW_TYPE_TAB_CONTENTS &&
 165           view_type != extensions::VIEW_TYPE_BACKGROUND_CONTENTS &&
 166           view_type != extensions::VIEW_TYPE_PANEL);
 167 }
 168
 169 scoped_ptr<RendererResource> ExtensionInformation::MakeResource(
 170     WebContents* web_contents) {
 171   const Extension* extension = GetExtensionForWebContents(web_contents);
 172   if (!extension) {
 173     NOTREACHED();
 174     return scoped_ptr<RendererResource>();
 175   }
 176   return scoped_ptr<RendererResource>(new ExtensionProcessResource(
 177       extension, web_contents->GetRenderViewHost()));
 178 }
 179
 180 }  // namespace task_manager