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