Home | History | Annotate | Download | only in task_manager 
      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/extension_registry.h"
     20 #include "extensions/browser/view_type_utils.h"
     21 #include "extensions/common/extension.h"
     22 #include "ui/base/l10n/l10n_util.h"
     23 #include "ui/gfx/image/image_skia.h"
     24 
     25 using content::RenderProcessHost;
     26 using content::RenderViewHost;
     27 using content::WebContents;
     28 using extensions::Extension;
     29 
     30 namespace task_manager {
     31 
     32 class PanelResource : public RendererResource {
     33  public:
     34   explicit PanelResource(Panel* panel);
     35   virtual ~PanelResource();
     36 
     37   // Resource methods:
     38   virtual Type GetType() const OVERRIDE;
     39   virtual base::string16 GetTitle() const OVERRIDE;
     40   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
     41   virtual content::WebContents* GetWebContents() const OVERRIDE;
     42 
     43  private:
     44   Panel* panel_;
     45   // Determines prefix for title reflecting whether extensions are apps
     46   // or in incognito mode.
     47   int message_prefix_id_;
     48 
     49   DISALLOW_COPY_AND_ASSIGN(PanelResource);
     50 };
     51 
     52 PanelResource::PanelResource(Panel* panel)
     53     : RendererResource(
     54         panel->GetWebContents()->GetRenderProcessHost()->GetHandle(),
     55         panel->GetWebContents()->GetRenderViewHost()),
     56       panel_(panel) {
     57   extensions::ExtensionRegistry* registry =
     58       extensions::ExtensionRegistry::Get(panel_->profile());
     59   message_prefix_id_ = util::GetMessagePrefixID(
     60       registry->enabled_extensions().GetByID(panel_->extension_id())->is_app(),
     61       true,  // is_extension
     62       panel_->profile()->IsOffTheRecord(),
     63       false,   // is_prerender
     64       false);  // is_background
     65 }
     66 
     67 PanelResource::~PanelResource() {
     68 }
     69 
     70 Resource::Type PanelResource::GetType() const {
     71   return EXTENSION;
     72 }
     73 
     74 base::string16 PanelResource::GetTitle() const {
     75   base::string16 title = panel_->GetWindowTitle();
     76   // Since the title will be concatenated with an IDS_TASK_MANAGER_* prefix
     77   // we need to explicitly set the title to be LTR format if there is no
     78   // strong RTL charater in it. Otherwise, if the task manager prefix is an
     79   // RTL word, the concatenated result might be wrong. For example,
     80   // a page whose title is "Yahoo! Mail: The best web-based Email!", without
     81   // setting it explicitly as LTR format, the concatenated result will be
     82   // "!Yahoo! Mail: The best web-based Email :PPA", in which the capital
     83   // letters "PPA" stands for the Hebrew word for "app".
     84   base::i18n::AdjustStringForLocaleDirection(&title);
     85 
     86   return l10n_util::GetStringFUTF16(message_prefix_id_, title);
     87 }
     88 
     89 gfx::ImageSkia PanelResource::GetIcon() const {
     90   gfx::Image icon = panel_->GetCurrentPageIcon();
     91   return icon.IsEmpty() ? gfx::ImageSkia() : *icon.ToImageSkia();
     92 }
     93 
     94 WebContents* PanelResource::GetWebContents() const {
     95   return panel_->GetWebContents();
     96 }
     97 
     98 ////////////////////////////////////////////////////////////////////////////////
     99 // PanelInformation class
    100 ////////////////////////////////////////////////////////////////////////////////
    101 
    102 PanelInformation::PanelInformation() {}
    103 
    104 PanelInformation::~PanelInformation() {}
    105 
    106 bool PanelInformation::CheckOwnership(WebContents* web_contents) {
    107   std::vector<Panel*> panels = PanelManager::GetInstance()->panels();
    108   for (size_t i = 0; i < panels.size(); ++i) {
    109     if (panels[i]->GetWebContents() == web_contents) {
    110       return true;
    111     }
    112   }
    113   return false;
    114 }
    115 
    116 void PanelInformation::GetAll(const NewWebContentsCallback& callback) {
    117   // Add all the Panels.
    118   std::vector<Panel*> panels = PanelManager::GetInstance()->panels();
    119   for (size_t i = 0; i < panels.size(); ++i)
    120     callback.Run(panels[i]->GetWebContents());
    121 }
    122 
    123 scoped_ptr<RendererResource> PanelInformation::MakeResource(
    124     WebContents* web_contents) {
    125   std::vector<Panel*> panels = PanelManager::GetInstance()->panels();
    126   for (size_t i = 0; i < panels.size(); ++i) {
    127     if (panels[i]->GetWebContents() == web_contents) {
    128       return scoped_ptr<RendererResource>(new PanelResource(panels[i]));
    129     }
    130   }
    131   NOTREACHED();
    132   return scoped_ptr<RendererResource>();
    133 }
    134 
    135 }  // namespace task_manager
    136