chrome/browser/task_manager/browser_process_resource_provider.h

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