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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 #include "content/browser/message_port_message_filter.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include "content/browser/message_port_service.h" | |
| 10 #include "content/common/frame_messages.h" | |
| 11 #include "content/common/message_port_messages.h" | |
| 12 | |
| 13 namespace content { | |
| 14 | |
| 15 MessagePortMessageFilter::MessagePortMessageFilter( | |
| 16 const NextRoutingIDCallback& callback) | |
| 17 : BrowserMessageFilter(MessagePortMsgStart), | |
| 18 next_routing_id_(callback) { | |
| 19 } | |
| 20 | |
| 21 MessagePortMessageFilter::~MessagePortMessageFilter() { | |
| 22 } | |
| 23 | |
| 24 void MessagePortMessageFilter::OnChannelClosing() { | |
| 25 MessagePortService::GetInstance()->OnMessagePortDelegateClosing(this); | |
| 26 } | |
| 27 | |
| 28 bool MessagePortMessageFilter::OnMessageReceived(const IPC::Message& message) { | |
| 29 bool handled = true; | |
| 30 IPC_BEGIN_MESSAGE_MAP(MessagePortMessageFilter, message) | |
| 31 IPC_MESSAGE_HANDLER(MessagePortHostMsg_CreateMessagePort, | |
| 32 OnCreateMessagePort) | |
| 33 IPC_MESSAGE_FORWARD(MessagePortHostMsg_DestroyMessagePort, | |
| 34 MessagePortService::GetInstance(), | |
| 35 MessagePortService::Destroy) | |
| 36 IPC_MESSAGE_FORWARD(MessagePortHostMsg_Entangle, | |
| 37 MessagePortService::GetInstance(), | |
| 38 MessagePortService::Entangle) | |
| 39 IPC_MESSAGE_FORWARD(MessagePortHostMsg_PostMessage, | |
| 40 MessagePortService::GetInstance(), | |
| 41 MessagePortService::PostMessage) | |
| 42 IPC_MESSAGE_FORWARD(MessagePortHostMsg_QueueMessages, | |
| 43 MessagePortService::GetInstance(), | |
| 44 MessagePortService::QueueMessages) | |
| 45 IPC_MESSAGE_FORWARD(MessagePortHostMsg_SendQueuedMessages, | |
| 46 MessagePortService::GetInstance(), | |
| 47 MessagePortService::SendQueuedMessages) | |
| 48 IPC_MESSAGE_FORWARD(MessagePortHostMsg_ReleaseMessages, | |
| 49 MessagePortService::GetInstance(), | |
| 50 MessagePortService::ReleaseMessages) | |
| 51 IPC_MESSAGE_UNHANDLED(handled = false) | |
| 52 IPC_END_MESSAGE_MAP() | |
| 53 | |
| 54 return handled; | |
| 55 } | |
| 56 | |
| 57 void MessagePortMessageFilter::OnDestruct() const { | |
| 58 BrowserThread::DeleteOnIOThread::Destruct(this); | |
| 59 } | |
| 60 | |
| 61 int MessagePortMessageFilter::GetNextRoutingID() { | |
| 62 return next_routing_id_.Run(); | |
| 63 } | |
| 64 | |
| 65 void MessagePortMessageFilter::SendMessage( | |
| 66 int route_id, | |
| 67 const base::string16& message, | |
| 68 const std::vector<int>& sent_message_ports) { | |
| 69 // Generate new routing ids for all ports that were sent around. This avoids | |
| 70 // waiting for the created ports to send a sync message back to get routing | |
| 71 // ids. | |
| 72 std::vector<int> new_routing_ids; | |
| 73 UpdateMessagePortsWithNewRoutes(sent_message_ports, &new_routing_ids); | |
| 74 Send(new MessagePortMsg_Message(route_id, message, sent_message_ports, | |
| 75 new_routing_ids)); | |
| 76 } | |
| 77 | |
| 78 void MessagePortMessageFilter::SendMessagesAreQueued(int route_id) { | |
| 79 Send(new MessagePortMsg_MessagesQueued(route_id)); | |
| 80 } | |
| 81 | |
| 82 void MessagePortMessageFilter::UpdateMessagePortsWithNewRoutes( | |
| 83 const std::vector<int>& message_ports, | |
| 84 std::vector<int>* new_routing_ids) { | |
| 85 DCHECK(new_routing_ids); | |
| 86 new_routing_ids->clear(); | |
| 87 new_routing_ids->resize(message_ports.size()); | |
| 88 | |
| 89 for (size_t i = 0; i < message_ports.size(); ++i) { | |
| 90 (*new_routing_ids)[i] = GetNextRoutingID(); | |
| 91 MessagePortService::GetInstance()->UpdateMessagePort( | |
| 92 message_ports[i], | |
| 93 this, | |
| 94 (*new_routing_ids)[i]); | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 void MessagePortMessageFilter::RouteMessageEventWithMessagePorts( | |
| 99 int routing_id, | |
| 100 const FrameMsg_PostMessage_Params& params) { | |
| 101 FrameMsg_PostMessage_Params new_params(params); | |
| 102 UpdateMessagePortsWithNewRoutes(params.message_ports, | |
| 103 &new_params.new_routing_ids); | |
| 104 Send(new FrameMsg_PostMessageEvent(routing_id, new_params)); | |
| 105 } | |
| 106 | |
| 107 void MessagePortMessageFilter::OnCreateMessagePort(int *route_id, | |
| 108 int* message_port_id) { | |
| 109 *route_id = next_routing_id_.Run(); | |
| 110 MessagePortService::GetInstance()->Create(*route_id, this, message_port_id); | |
| 111 } | |
| 112 | |
| 113 } // namespace content | |
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Chromium Code Reviews
Issue 2422793002:
HTML MessagePort as mojo::MessagePipeHandle (Closed)
