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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_TASK_MANAGER_BROWSER_PROCESS_RESOURCE_PROVIDER_H_
#define CHROME_BROWSER_TASK_MANAGER_BROWSER_PROCESS_RESOURCE_PROVIDER_H_

#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "chrome/browser/task_manager/resource_provider.h"
#include "content/public/browser/browser_child_process_observer.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/common/process_type.h"

class TaskManager;

namespace content {
class RenderViewHost;
class WebContents;
}

namespace extensions {
class Extension;
}

namespace task_manager {

class BrowserProcessResource : public Resource {
 public:
  BrowserProcessResource();
  ~BrowserProcessResource() override;

  // Resource methods:
  base::string16 GetTitle() const override;
  base::string16 GetProfileName() const override;
  gfx::ImageSkia GetIcon() const override;
  base::ProcessHandle GetProcess() const override;
  int GetUniqueChildProcessId() const override;
  Type GetType() const override;

  bool SupportNetworkUsage() const override;
  void SetSupportNetworkUsage() override;

  bool ReportsSqliteMemoryUsed() const override;
  size_t SqliteMemoryUsedBytes() const override;

  bool ReportsV8MemoryStats() const override;
  size_t GetV8MemoryAllocated() const override;
  size_t GetV8MemoryUsed() const override;

 private:
  mutable base::string16 title_;

  static gfx::ImageSkia* default_icon_;

  DISALLOW_COPY_AND_ASSIGN(BrowserProcessResource);
};

class BrowserProcessResourceProvider : public ResourceProvider {
 public:
  explicit BrowserProcessResourceProvider(TaskManager* task_manager);

  Resource* GetResource(int origin_pid, int child_id, int route_id) override;
  void StartUpdating() override;
  void StopUpdating() override;

  // Whether we are currently reporting to the task manager. Used to ignore
  // notifications sent after StopUpdating().
  bool updating_;

 private:
  ~BrowserProcessResourceProvider() override;

  TaskManager* task_manager_;
  BrowserProcessResource resource_;

  DISALLOW_COPY_AND_ASSIGN(BrowserProcessResourceProvider);
};

}  // namespace task_manager

#endif  // CHROME_BROWSER_TASK_MANAGER_BROWSER_PROCESS_RESOURCE_PROVIDER_H_