// 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();
  virtual ~BrowserProcessResource();

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

  virtual bool SupportNetworkUsage() const OVERRIDE;
  virtual void SetSupportNetworkUsage() OVERRIDE;

  virtual bool ReportsSqliteMemoryUsed() const OVERRIDE;
  virtual size_t SqliteMemoryUsedBytes() const OVERRIDE;

  virtual bool ReportsV8MemoryStats() const OVERRIDE;
  virtual size_t GetV8MemoryAllocated() const OVERRIDE;
  virtual size_t GetV8MemoryUsed() const OVERRIDE;

 private:
  base::ProcessHandle process_;
  mutable base::string16 title_;

  static gfx::ImageSkia* default_icon_;

  DISALLOW_COPY_AND_ASSIGN(BrowserProcessResource);
};

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

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

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

 private:
  virtual ~BrowserProcessResourceProvider();

  TaskManager* task_manager_;
  BrowserProcessResource resource_;

  DISALLOW_COPY_AND_ASSIGN(BrowserProcessResourceProvider);
};

}  // namespace task_manager

#endif  // CHROME_BROWSER_TASK_MANAGER_BROWSER_PROCESS_RESOURCE_PROVIDER_H_