// Copyright (c) 2012 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-CHROMIUM file.

#ifndef BRIGHTRAY_BROWSER_BROWSER_CONTEXT_H_
#define BRIGHTRAY_BROWSER_BROWSER_CONTEXT_H_

#include <map>

#include "browser/permission_manager.h"
#include "browser/url_request_context_getter.h"

#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/browser_context.h"

class PrefRegistrySimple;
class PrefService;

namespace brightray {

class PermissionManager;

class BrowserContext : public base::RefCounted<BrowserContext>,
                       public content::BrowserContext,
                       public brightray::URLRequestContextGetter::Delegate {
 public:
  // Get or Create the BrowserContext according to its |partition| and |in_memory|.
  static scoped_refptr<BrowserContext> From(
      const std::string& partition, bool in_memory);

  // Create a new BrowserContext, embedders should implement it on their own.
  static scoped_refptr<BrowserContext> Create(
      const std::string& partition, bool in_memory);

  // content::BrowserContext:
  scoped_ptr<content::ZoomLevelDelegate> CreateZoomLevelDelegate(
      const base::FilePath& partition_path) override;
  bool IsOffTheRecord() const override;
  net::URLRequestContextGetter* GetRequestContext() override;
  net::URLRequestContextGetter* GetRequestContextForRenderProcess(
      int renderer_child_id) override;
  net::URLRequestContextGetter* GetMediaRequestContext() override;
  net::URLRequestContextGetter* GetMediaRequestContextForRenderProcess(
      int renderer_child_id) override;
  net::URLRequestContextGetter* GetMediaRequestContextForStoragePartition(
      const base::FilePath& partition_path, bool in_memory) override;
  content::ResourceContext* GetResourceContext() override;
  content::DownloadManagerDelegate* GetDownloadManagerDelegate() override;
  content::BrowserPluginGuestManager* GetGuestManager() override;
  storage::SpecialStoragePolicy* GetSpecialStoragePolicy() override;
  content::PushMessagingService* GetPushMessagingService() override;
  content::SSLHostStateDelegate* GetSSLHostStateDelegate() override;
  content::PermissionManager* GetPermissionManager() override;

  net::URLRequestContextGetter* CreateRequestContext(
      NetLog* net_log,
      content::ProtocolHandlerMap* protocol_handlers,
      content::URLRequestInterceptorScopedVector protocol_interceptors);

  net::URLRequestContextGetter* url_request_context_getter() const {
    return url_request_getter_.get();
  }

  PrefService* prefs() { return prefs_.get(); }

 protected:
  BrowserContext(const std::string& partition, bool in_memory);
  ~BrowserContext() override;

  // Subclasses should override this to register custom preferences.
  virtual void RegisterPrefs(PrefRegistrySimple* pref_registry) {}

  // URLRequestContextGetter::Delegate:
  net::NetworkDelegate* CreateNetworkDelegate() override;

  base::FilePath GetPath() const override;

 private:
  friend class base::RefCounted<BrowserContext>;
  class ResourceContext;

  void RegisterInternalPrefs(PrefRegistrySimple* pref_registry);

  // partition_id => browser_context
  struct PartitionKey {
    std::string partition;
    bool in_memory;

    PartitionKey(const std::string& partition, bool in_memory)
        : partition(partition), in_memory(in_memory) {}

    bool operator<(const PartitionKey& other) const {
      if (partition != other.partition)
        return in_memory < other.in_memory;
      return partition < other.partition;
    }

    bool operator==(const PartitionKey& other) const {
      return (partition == other.partition) && (in_memory == other.in_memory);
    }
  };
  using BrowserContextMap =
      std::map<PartitionKey, base::WeakPtr<brightray::BrowserContext>>;
  static BrowserContextMap browser_context_map_;

  base::FilePath path_;
  bool in_memory_;
  scoped_ptr<ResourceContext> resource_context_;
  scoped_refptr<URLRequestContextGetter> url_request_getter_;
  scoped_ptr<PrefService> prefs_;
  scoped_ptr<PermissionManager> permission_manager_;

  base::WeakPtrFactory<BrowserContext> weak_factory_;

  DISALLOW_COPY_AND_ASSIGN(BrowserContext);
};

}  // namespace brightray

#endif