// Copyright 2016 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 EXTENSIONS_BROWSER_EXTENSION_NAVIGATION_UI_DATA_H_
#define EXTENSIONS_BROWSER_EXTENSION_NAVIGATION_UI_DATA_H_

#include <memory>

#include "base/macros.h"
#include "content/public/browser/global_routing_id.h"
#include "extensions/browser/extension_api_frame_id_map.h"

namespace content {
class NavigationHandle;
}

namespace extensions {

// Initialized on the UI thread for all navigations. A copy is used on the IO
// thread by the WebRequest API to access to the FrameData.
class ExtensionNavigationUIData {
 public:
  ExtensionNavigationUIData();
  ExtensionNavigationUIData(content::NavigationHandle* navigation_handle,
                            int tab_id,
                            int window_id);
  ExtensionNavigationUIData(content::RenderFrameHost* frame_host,
                            int tab_id,
                            int window_id);

  static std::unique_ptr<ExtensionNavigationUIData>
  CreateForMainFrameNavigation(content::WebContents* web_contents,
                               int tab_id,
                               int window_id);

  std::unique_ptr<ExtensionNavigationUIData> DeepCopy() const;

  const ExtensionApiFrameIdMap::FrameData& frame_data() const {
    return frame_data_;
  }

  bool is_web_view() const { return is_web_view_; }
  int web_view_instance_id() const { return web_view_instance_id_; }
  int web_view_rules_registry_id() const { return web_view_rules_registry_id_; }

  const content::GlobalFrameRoutingId& parent_routing_id() const {
    return parent_routing_id_;
  }

 private:
  ExtensionNavigationUIData(content::WebContents* web_contents,
                            int tab_id,
                            int window_id,
                            int frame_id,
                            int parent_frame_id,
                            content::GlobalFrameRoutingId parent_routing_id);

  ExtensionApiFrameIdMap::FrameData frame_data_;
  bool is_web_view_;
  // These are only valid iff is_web_view_.
  int web_view_instance_id_;
  int web_view_rules_registry_id_;

  // ID for the parent RenderFrameHost of this navigation. Will only have a
  // valid value for sub-frame navigations.
  content::GlobalFrameRoutingId parent_routing_id_;

  DISALLOW_COPY_AND_ASSIGN(ExtensionNavigationUIData);
};

}  // namespace extensions

#endif  // EXTENSIONS_BROWSER_EXTENSION_NAVIGATION_UI_DATA_H_