// Copyright (c) 2011 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_FRAME_CUSTOM_SYNC_CALL_CONTEXT_H_
#define CHROME_FRAME_CUSTOM_SYNC_CALL_CONTEXT_H_

#include <vector>

#include "base/memory/ref_counted.h"
#include "base/synchronization/waitable_event.h"
#include "base/tuple.h"
#include "chrome_frame/sync_msg_reply_dispatcher.h"
#include "chrome_frame/chrome_frame_automation.h"
#include "ipc/ipc_sync_message.h"

// Class that maintains contextual information for the create and connect
// external tab operations.
class CreateExternalTabContext
    : public SyncMessageReplyDispatcher::SyncMessageCallContext {
 public:
  typedef Tuple4<HWND, HWND, int, int> output_type;
  explicit CreateExternalTabContext(ChromeFrameAutomationClient* client);

  void Completed(HWND chrome_window, HWND tab_window, int tab_handle,
                 int session_id);

 private:
  scoped_refptr<ChromeFrameAutomationClient> client_;
};

// This class maintains context information for the BeginNavigate operations
// pertaining to the external tab.
class BeginNavigateContext
    : public SyncMessageReplyDispatcher::SyncMessageCallContext {
 public:
  explicit BeginNavigateContext(ChromeFrameAutomationClient* client);

  typedef Tuple1<AutomationMsg_NavigationResponseValues> output_type;

  void Completed(AutomationMsg_NavigationResponseValues response);

 private:
  scoped_refptr<ChromeFrameAutomationClient> client_;
};

// Class that maintains contextual information for the unload operation, i.e.
// when the user attempts to navigate away from a page rendered in ChromeFrame.
class UnloadContext
    : public SyncMessageReplyDispatcher::SyncMessageCallContext {
 public:
  typedef Tuple1<bool> output_type;
  UnloadContext(base::WaitableEvent* unload_done, bool* should_unload);

  void Completed(bool should_unload);

 private:
  base::WaitableEvent* unload_done_;
  bool* should_unload_;
};

#endif  // CHROME_FRAME_CUSTOM_SYNC_CALL_CONTEXT_H_