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      1 // Copyright 2013 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_MANAGER_BROWSER_PROCESS_RESOURCE_PROVIDER_H_
      6 #define CHROME_BROWSER_TASK_MANAGER_BROWSER_PROCESS_RESOURCE_PROVIDER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "chrome/browser/task_manager/resource_provider.h"
     11 #include "content/public/browser/browser_child_process_observer.h"
     12 #include "content/public/browser/child_process_data.h"
     13 #include "content/public/browser/notification_observer.h"
     14 #include "content/public/browser/notification_registrar.h"
     15 #include "content/public/browser/render_view_host_observer.h"
     16 #include "content/public/common/process_type.h"
     17 
     18 class TaskManager;
     19 
     20 namespace content {
     21 class RenderViewHost;
     22 class WebContents;
     23 }
     24 
     25 namespace extensions {
     26 class Extension;
     27 }
     28 
     29 namespace task_manager {
     30 
     31 class BrowserProcessResource : public Resource {
     32  public:
     33   BrowserProcessResource();
     34   virtual ~BrowserProcessResource();
     35 
     36   // Resource methods:
     37   virtual string16 GetTitle() const OVERRIDE;
     38   virtual string16 GetProfileName() const OVERRIDE;
     39   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
     40   virtual base::ProcessHandle GetProcess() const OVERRIDE;
     41   virtual int GetUniqueChildProcessId() const OVERRIDE;
     42   virtual Type GetType() const OVERRIDE;
     43 
     44   virtual bool SupportNetworkUsage() const OVERRIDE;
     45   virtual void SetSupportNetworkUsage() OVERRIDE;
     46 
     47   virtual bool ReportsSqliteMemoryUsed() const OVERRIDE;
     48   virtual size_t SqliteMemoryUsedBytes() const OVERRIDE;
     49 
     50   virtual bool ReportsV8MemoryStats() const OVERRIDE;
     51   virtual size_t GetV8MemoryAllocated() const OVERRIDE;
     52   virtual size_t GetV8MemoryUsed() const OVERRIDE;
     53 
     54  private:
     55   base::ProcessHandle process_;
     56   mutable string16 title_;
     57 
     58   static gfx::ImageSkia* default_icon_;
     59 
     60   DISALLOW_COPY_AND_ASSIGN(BrowserProcessResource);
     61 };
     62 
     63 class BrowserProcessResourceProvider : public ResourceProvider {
     64  public:
     65   explicit BrowserProcessResourceProvider(TaskManager* task_manager);
     66 
     67   virtual Resource* GetResource(int origin_pid,
     68                                 int render_process_host_id,
     69                                 int routing_id) OVERRIDE;
     70   virtual void StartUpdating() OVERRIDE;
     71   virtual void StopUpdating() OVERRIDE;
     72 
     73   // Whether we are currently reporting to the task manager. Used to ignore
     74   // notifications sent after StopUpdating().
     75   bool updating_;
     76 
     77  private:
     78   virtual ~BrowserProcessResourceProvider();
     79 
     80   TaskManager* task_manager_;
     81   BrowserProcessResource resource_;
     82 
     83   DISALLOW_COPY_AND_ASSIGN(BrowserProcessResourceProvider);
     84 };
     85 
     86 }  // namespace task_manager
     87 
     88 #endif  // CHROME_BROWSER_TASK_MANAGER_BROWSER_PROCESS_RESOURCE_PROVIDER_H_
     89