chrome/browser/task_manager/panel_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/panel_information.h"
   6
   7 #include "base/i18n/rtl.h"
   8 #include "chrome/browser/extensions/extension_service.h"
   9 #include "chrome/browser/profiles/profile.h"
  10 #include "chrome/browser/task_manager/renderer_resource.h"
  11 #include "chrome/browser/task_manager/task_manager_util.h"
  12 #include "chrome/browser/ui/panels/panel.h"
  13 #include "chrome/browser/ui/panels/panel_manager.h"
  14 #include "content/public/browser/notification_service.h"
  15 #include "content/public/browser/render_frame_host.h"
  16 #include "content/public/browser/render_process_host.h"
  17 #include "content/public/browser/render_view_host.h"
  18 #include "content/public/browser/web_contents.h"
  19 #include "extensions/browser/view_type_utils.h"
  20 #include "extensions/common/extension.h"
  21 #include "ui/base/l10n/l10n_util.h"
  22 #include "ui/gfx/image/image_skia.h"
  23
  24 using content::RenderProcessHost;
  25 using content::RenderViewHost;
  26 using content::WebContents;
  27 using extensions::Extension;
  28
  29 namespace task_manager {
  30
  31 class PanelResource : public RendererResource {
  32  public:
  33   explicit PanelResource(Panel* panel);
  34   virtual ~PanelResource();
  35
  36   // Resource methods:
  37   virtual Type GetType() const OVERRIDE;
  38   virtual base::string16 GetTitle() const OVERRIDE;
  39   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
  40   virtual content::WebContents* GetWebContents() const OVERRIDE;
  41
  42  private:
  43   Panel* panel_;
  44   // Determines prefix for title reflecting whether extensions are apps
  45   // or in incognito mode.
  46   int message_prefix_id_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(PanelResource);
  49 };
  50
  51 PanelResource::PanelResource(Panel* panel)
  52     : RendererResource(
  53         panel->GetWebContents()->GetRenderProcessHost()->GetHandle(),
  54         panel->GetWebContents()->GetRenderViewHost()),
  55       panel_(panel) {
  56   ExtensionService* service = panel_->profile()->GetExtensionService();
  57   message_prefix_id_ = util::GetMessagePrefixID(
  58       service->extensions()->GetByID(panel_->extension_id())->is_app(),
  59       true,  // is_extension
  60       panel_->profile()->IsOffTheRecord(),
  61       false,   // is_prerender
  62       false);  // is_background
  63 }
  64
  65 PanelResource::~PanelResource() {
  66 }
  67
  68 Resource::Type PanelResource::GetType() const {
  69   return EXTENSION;
  70 }
  71
  72 base::string16 PanelResource::GetTitle() const {
  73   base::string16 title = panel_->GetWindowTitle();
  74   // Since the title will be concatenated with an IDS_TASK_MANAGER_* prefix
  75   // we need to explicitly set the title to be LTR format if there is no
  76   // strong RTL charater in it. Otherwise, if the task manager prefix is an
  77   // RTL word, the concatenated result might be wrong. For example,
  78   // a page whose title is "Yahoo! Mail: The best web-based Email!", without
  79   // setting it explicitly as LTR format, the concatenated result will be
  80   // "!Yahoo! Mail: The best web-based Email :PPA", in which the capital
  81   // letters "PPA" stands for the Hebrew word for "app".
  82   base::i18n::AdjustStringForLocaleDirection(&title);
  83
  84   return l10n_util::GetStringFUTF16(message_prefix_id_, title);
  85 }
  86
  87 gfx::ImageSkia PanelResource::GetIcon() const {
  88   gfx::Image icon = panel_->GetCurrentPageIcon();
  89   return icon.IsEmpty() ? gfx::ImageSkia() : *icon.ToImageSkia();
  90 }
  91
  92 WebContents* PanelResource::GetWebContents() const {
  93   return panel_->GetWebContents();
  94 }
  95
  96 ////////////////////////////////////////////////////////////////////////////////
  97 // PanelInformation class
  98 ////////////////////////////////////////////////////////////////////////////////
  99
 100 PanelInformation::PanelInformation() {}
 101
 102 PanelInformation::~PanelInformation() {}
 103
 104 bool PanelInformation::CheckOwnership(WebContents* web_contents) {
 105   std::vector<Panel*> panels = PanelManager::GetInstance()->panels();
 106   for (size_t i = 0; i < panels.size(); ++i) {
 107     if (panels[i]->GetWebContents() == web_contents) {
 108       return true;
 109     }
 110   }
 111   return false;
 112 }
 113
 114 void PanelInformation::GetAll(const NewWebContentsCallback& callback) {
 115   // Add all the Panels.
 116   std::vector<Panel*> panels = PanelManager::GetInstance()->panels();
 117   for (size_t i = 0; i < panels.size(); ++i)
 118     callback.Run(panels[i]->GetWebContents());
 119 }
 120
 121 scoped_ptr<RendererResource> PanelInformation::MakeResource(
 122     WebContents* web_contents) {
 123   std::vector<Panel*> panels = PanelManager::GetInstance()->panels();
 124   for (size_t i = 0; i < panels.size(); ++i) {
 125     if (panels[i]->GetWebContents() == web_contents) {
 126       return scoped_ptr<RendererResource>(new PanelResource(panels[i]));
 127     }
 128   }
 129   NOTREACHED();
 130   return scoped_ptr<RendererResource>();
 131 }
 132
 133 }  // namespace task_manager