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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/strings/string16.h" | |
15 #include "content/common/content_export.h" | |
16 #include "ipc/ipc_message_macros.h" | |
17 #include "ipc/ipc_message_utils.h" | |
18 | |
19 #undef IPC_MESSAGE_EXPORT | |
20 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT | |
21 #define IPC_MESSAGE_START MessagePortMsgStart | |
22 | |
23 // Singly-included section for typedefs. | |
24 #ifndef CONTENT_COMMON_MESSAGE_PORT_MESSAGES_H_ | |
25 #define CONTENT_COMMON_MESSAGE_PORT_MESSAGES_H_ | |
26 | |
27 typedef std::pair<base::string16, std::vector<int>> QueuedMessage; | |
28 | |
29 #endif // CONTENT_COMMON_MESSAGE_PORT_MESSAGES_H_ | |
30 | |
31 //----------------------------------------------------------------------------- | |
32 // MessagePort messages | |
33 // These are messages sent from the browser to child processes. | |
34 | |
35 // Sends a message to a message port. | |
36 IPC_MESSAGE_ROUTED3( | |
37 MessagePortMsg_Message, | |
38 base::string16 /* message */, | |
39 std::vector<int> /* sent_message_ports */, | |
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( | |
64 MessagePortHostMsg_PostMessage, | |
65 int /* sender_message_port_id */, | |
66 base::string16 /* message */, | |
67 std::vector<int> /* sent_message_ports */) | |
68 | |
69 // Causes messages sent to the remote port to be delivered to this local port. | |
70 IPC_MESSAGE_CONTROL2(MessagePortHostMsg_Entangle, | |
71 int /* local_message_port_id */, | |
72 int /* remote_message_port_id */) | |
73 | |
74 // Causes the browser to queue messages sent to this port until the the port | |
75 // has made sure that all in-flight messages were routed to the new | |
76 // destination. | |
77 IPC_MESSAGE_CONTROL1(MessagePortHostMsg_QueueMessages, | |
78 int /* message_port_id */) | |
79 | |
80 // Sends the browser all the queued messages that arrived at this message port | |
81 // after it was sent in a postMessage call. | |
82 // NOTE: MSVS can't compile the macro if std::vector<std::pair<string16, int> > | |
83 // is used, so we typedef it in worker_messages.h. | |
84 IPC_MESSAGE_CONTROL2(MessagePortHostMsg_SendQueuedMessages, | |
85 int /* message_port_id */, | |
86 std::vector<QueuedMessage> /* queued_messages */) | |
87 | |
88 // Tells the browser this message port is ready to receive messages. If the | |
89 // browser was holding messages to this port because no destination for the | |
90 // port was available yet this will cause the browser to release those messages. | |
91 IPC_MESSAGE_CONTROL1(MessagePortHostMsg_ReleaseMessages, | |
92 int /* message_port_id */) | |
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