1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Defines messages between the browser and worker process, as well as between 6 // the renderer and worker process. 7 8 // Multiply-included message file, hence no include guard. 9 10 #include <string> 11 #include <utility> 12 #include <vector> 13 14 #include "base/basictypes.h" 15 #include "base/strings/string16.h" 16 #include "content/common/content_export.h" 17 #include "ipc/ipc_message_macros.h" 18 #include "ipc/ipc_message_utils.h" 19 20 #undef IPC_MESSAGE_EXPORT 21 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT 22 #define IPC_MESSAGE_START MessagePortMsgStart 23 24 // Singly-included section, not converted. 25 #ifndef CONTENT_COMMON_MESSAGE_PORT_MESSAGES_H_ 26 #define CONTENT_COMMON_MESSAGE_PORT_MESSAGES_H_ 27 28 typedef std::pair<base::string16, std::vector<int> > QueuedMessage; 29 30 #endif // CONTENT_COMMON_MESSAGE_PORT_MESSAGES_H_ 31 32 //----------------------------------------------------------------------------- 33 // MessagePort messages 34 // These are messages sent from the browser to child processes. 35 36 // Sends a message to a message port. 37 IPC_MESSAGE_ROUTED3(MessagePortMsg_Message, 38 base::string16 /* message */, 39 std::vector<int> /* sent_message_port_ids */, 40 std::vector<int> /* new_routing_ids */) 41 42 // Tells the Message Port Channel object that there are no more in-flight 43 // messages arriving. 44 IPC_MESSAGE_ROUTED0(MessagePortMsg_MessagesQueued) 45 46 //----------------------------------------------------------------------------- 47 // MessagePortHost messages 48 // These are messages sent from child processes to the browser. 49 50 // Creates a new Message Port Channel object. The first paramaeter is the 51 // message port channel's routing id in this process. The second parameter 52 // is the process-wide-unique identifier for that port. 53 IPC_SYNC_MESSAGE_CONTROL0_2(MessagePortHostMsg_CreateMessagePort, 54 int /* route_id */, 55 int /* message_port_id */) 56 57 // Sent when a Message Port Channel object is destroyed. 58 IPC_MESSAGE_CONTROL1(MessagePortHostMsg_DestroyMessagePort, 59 int /* message_port_id */) 60 61 // Sends a message to a message port. Optionally sends a message port as 62 // as well if sent_message_port_id != MSG_ROUTING_NONE. 63 IPC_MESSAGE_CONTROL3(MessagePortHostMsg_PostMessage, 64 int /* sender_message_port_id */, 65 base::string16 /* message */, 66 std::vector<int> /* sent_message_port_ids */) 67 68 // Causes messages sent to the remote port to be delivered to this local port. 69 IPC_MESSAGE_CONTROL2(MessagePortHostMsg_Entangle, 70 int /* local_message_port_id */, 71 int /* remote_message_port_id */) 72 73 // Causes the browser to queue messages sent to this port until the the port 74 // has made sure that all in-flight messages were routed to the new 75 // destination. 76 IPC_MESSAGE_CONTROL1(MessagePortHostMsg_QueueMessages, 77 int /* message_port_id */) 78 79 // Sends the browser all the queued messages that arrived at this message port 80 // after it was sent in a postMessage call. 81 // NOTE: MSVS can't compile the macro if std::vector<std::pair<string16, int> > 82 // is used, so we typedef it in worker_messages.h. 83 IPC_MESSAGE_CONTROL2(MessagePortHostMsg_SendQueuedMessages, 84 int /* message_port_id */, 85 std::vector<QueuedMessage> /* queued_messages */) 86