chrome/browser/task_management/providers/web_contents/extension_task.h

   1 // Copyright 2015 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 #ifndef CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_EXTENSION_TASK_H_
   6 #define CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_EXTENSION_TASK_H_
   7
   8 #include "chrome/browser/task_management/providers/web_contents/renderer_task.h"
   9 #include "extensions/browser/extension_icon_image.h"
  10 #include "extensions/common/view_type.h"
  11
  12 namespace extensions {
  13 class Extension;
  14 }  // namespace extensions
  15
  16 namespace task_management {
  17
  18 // Defines a task manager representation for extensions.
  19 class ExtensionTask
  20     : public RendererTask,
  21       public extensions::IconImage::Observer {
  22  public:
  23   ExtensionTask(content::WebContents* web_contents,
  24                 const extensions::Extension* extension,
  25                 extensions::ViewType view_type);
  26   ~ExtensionTask() override;
  27
  28   // task_management::RendererTask:
  29   void UpdateTitle() override;
  30   void UpdateFavicon() override;
  31   Type GetType() const override;
  32
  33   // extensions::IconImage::Observer
  34   void OnExtensionIconImageChanged(extensions::IconImage* image) override;
  35
  36  private:
  37   // If |extension| is nullptr, this method will get the title from
  38   // the |web_contents|.
  39   base::string16 GetExtensionTitle(
  40       content::WebContents* web_contents,
  41       const extensions::Extension* extension,
  42       extensions::ViewType view_type) const;
  43
  44   // This is called upon the creation of this task to load the extension icon
  45   // for the first time if any.
  46   void LoadExtensionIcon(const extensions::Extension* extension);
  47
  48   // The favicon of the extension represented by this task.
  49   scoped_ptr<extensions::IconImage> extension_icon_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(ExtensionTask);
  52 };
  53
  54 }  // namespace task_management
  55
  56 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_EXTENSION_TASK_H_