// Copyright (c) 2009 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.

#include <utility>
#include <vector>
#include "base/string16.h"
#include "googleurl/src/gurl.h"
#include "ipc/ipc_message_macros.h"


//-----------------------------------------------------------------------------
// WorkerProcess messages
// These are messages sent from the browser to the worker process.
IPC_BEGIN_MESSAGES(WorkerProcess)
  IPC_MESSAGE_CONTROL1(WorkerProcessMsg_CreateWorker,
                       WorkerProcessMsg_CreateWorker_Params)

  // Note: these Message Port related messages can also be sent to the
  // renderer process.  Putting them here since we don't have a shared place
  // like common_messages_internal.h
  IPC_MESSAGE_ROUTED3(WorkerProcessMsg_Message,
                      string16 /* message */,
                      std::vector<int> /* sent_message_port_ids */,
                      std::vector<int> /* new_routing_ids */)

  // Tells the Message Port Channel object that there are no more in-flight
  // messages arriving.
  IPC_MESSAGE_ROUTED0(WorkerProcessMsg_MessagesQueued)
IPC_END_MESSAGES(WorkerProcess)


//-----------------------------------------------------------------------------
// WorkerProcessHost messages
// These are messages sent from the worker process to the browser process.

IPC_BEGIN_MESSAGES(WorkerProcessHost)
  // Note: these Message Port related messages can also be sent out from the
  // renderer process.  Putting them here since we don't have a shared place
  // like common_messages_internal.h

  // Creates a new Message Port Channel object.  The first paramaeter is the
  // message port channel's routing id in this process.  The second parameter
  // is the process-wide-unique identifier for that port.
  IPC_SYNC_MESSAGE_CONTROL0_2(WorkerProcessHostMsg_CreateMessagePort,
                              int /* route_id */,
                              int /* message_port_id */)

  // Sent when a Message Port Channel object is destroyed.
  IPC_MESSAGE_CONTROL1(WorkerProcessHostMsg_DestroyMessagePort,
                       int /* message_port_id */)

  // Sends a message to a message port.  Optionally sends a message port as
  // as well if sent_message_port_id != MSG_ROUTING_NONE.
  IPC_MESSAGE_CONTROL3(WorkerProcessHostMsg_PostMessage,
                       int /* sender_message_port_id */,
                       string16 /* message */,
                       std::vector<int> /* sent_message_port_ids */)

  // Causes messages sent to the remote port to be delivered to this local port.
  IPC_MESSAGE_CONTROL2(WorkerProcessHostMsg_Entangle,
                       int /* local_message_port_id */,
                       int /* remote_message_port_id */)

  // Causes the browser to queue messages sent to this port until the the port
  // has made sure that all in-flight messages were routed to the new
  // destination.
  IPC_MESSAGE_CONTROL1(WorkerProcessHostMsg_QueueMessages,
                       int /* message_port_id */)

  // Sends the browser all the queued messages that arrived at this message port
  // after it was sent in a postMessage call.
  // NOTE: MSVS can't compile the macro if std::vector<std::pair<string16, int> >
  // is used, so we typedef it in worker_messages.h.
  IPC_MESSAGE_CONTROL2(WorkerProcessHostMsg_SendQueuedMessages,
                       int /* message_port_id */,
                       std::vector<QueuedMessage> /* queued_messages */)
IPC_END_MESSAGES(WorkerProcessHost)

//-----------------------------------------------------------------------------
// Worker messages
// These are messages sent from the renderer process to the worker process.
IPC_BEGIN_MESSAGES(Worker)
  IPC_MESSAGE_ROUTED3(WorkerMsg_StartWorkerContext,
                      GURL /* url */,
                      string16  /* user_agent */,
                      string16  /* source_code */)

  IPC_MESSAGE_ROUTED0(WorkerMsg_TerminateWorkerContext)

  IPC_MESSAGE_ROUTED3(WorkerMsg_PostMessage,
                      string16  /* message */,
                      std::vector<int>  /* sent_message_port_ids */,
                      std::vector<int>  /* new_routing_ids */)

  IPC_MESSAGE_ROUTED2(WorkerMsg_Connect,
                      int /* sent_message_port_id */,
                      int /* routing_id */)

  IPC_MESSAGE_ROUTED0(WorkerMsg_WorkerObjectDestroyed)
IPC_END_MESSAGES(Worker)


//-----------------------------------------------------------------------------
// WorkerHost messages
// These are messages sent from the worker process to the renderer process.
IPC_BEGIN_MESSAGES(WorkerHost)
  // WorkerMsg_PostMessage is also sent here.
  IPC_MESSAGE_ROUTED3(WorkerHostMsg_PostExceptionToWorkerObject,
                      string16  /* error_message */,
                      int  /* line_number */,
                      string16  /* source_url*/)

  IPC_MESSAGE_ROUTED1(WorkerHostMsg_PostConsoleMessageToWorkerObject,
                      WorkerHostMsg_PostConsoleMessageToWorkerObject_Params)

  IPC_MESSAGE_ROUTED1(WorkerHostMsg_ConfirmMessageFromWorkerObject,
                      bool /* bool has_pending_activity */)

  IPC_MESSAGE_ROUTED1(WorkerHostMsg_ReportPendingActivity,
                      bool /* bool has_pending_activity */)

  IPC_MESSAGE_CONTROL1(WorkerHostMsg_WorkerContextClosed,
                       int /* worker_route_id */)
  IPC_MESSAGE_ROUTED0(WorkerHostMsg_WorkerContextDestroyed)
IPC_END_MESSAGES(WorkerHost)