1 // Copyright (c) 2012 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 #include "third_party/WebKit/public/web/WebContentSecurityPolicy.h" 20 #include "url/gurl.h" 21 22 #undef IPC_MESSAGE_EXPORT 23 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT 24 #define IPC_MESSAGE_START WorkerMsgStart 25 26 // Parameters structure for WorkerHostMsg_PostConsoleMessageToWorkerObject, 27 // which has too many data parameters to be reasonably put in a predefined 28 // IPC message. The data members directly correspond to parameters of 29 // WebWorkerClient::postConsoleMessageToWorkerObject() 30 IPC_STRUCT_BEGIN(WorkerHostMsg_PostConsoleMessageToWorkerObject_Params) 31 IPC_STRUCT_MEMBER(int, source_identifier) 32 IPC_STRUCT_MEMBER(int, message_type) 33 IPC_STRUCT_MEMBER(int, message_level) 34 IPC_STRUCT_MEMBER(base::string16, message) 35 IPC_STRUCT_MEMBER(int, line_number) 36 IPC_STRUCT_MEMBER(base::string16, source_url) 37 IPC_STRUCT_END() 38 39 // Parameter structure for WorkerProcessMsg_CreateWorker. 40 IPC_STRUCT_BEGIN(WorkerProcessMsg_CreateWorker_Params) 41 IPC_STRUCT_MEMBER(GURL, url) 42 IPC_STRUCT_MEMBER(base::string16, name) 43 IPC_STRUCT_MEMBER(int, route_id) 44 IPC_STRUCT_MEMBER(int, creator_process_id) 45 IPC_STRUCT_MEMBER(int64, shared_worker_appcache_id) 46 IPC_STRUCT_END() 47 48 IPC_ENUM_TRAITS(blink::WebContentSecurityPolicyType) 49 50 //----------------------------------------------------------------------------- 51 // WorkerProcess messages 52 // These are messages sent from the browser to the worker process. 53 IPC_MESSAGE_CONTROL1(WorkerProcessMsg_CreateWorker, 54 WorkerProcessMsg_CreateWorker_Params) 55 56 //----------------------------------------------------------------------------- 57 // WorkerProcessHost messages 58 // These are messages sent from the worker process to the browser process. 59 60 // Sent by the worker process to check whether access to web databases is 61 // allowed. 62 IPC_SYNC_MESSAGE_CONTROL5_1(WorkerProcessHostMsg_AllowDatabase, 63 int /* worker_route_id */, 64 GURL /* origin url */, 65 base::string16 /* database name */, 66 base::string16 /* database display name */, 67 unsigned long /* estimated size */, 68 bool /* result */) 69 70 // Sent by the worker process to check whether access to file system is allowed. 71 IPC_SYNC_MESSAGE_CONTROL2_1(WorkerProcessHostMsg_AllowFileSystem, 72 int /* worker_route_id */, 73 GURL /* origin url */, 74 bool /* result */) 75 76 // Sent by the worker process to check whether access to IndexedDB is allowed. 77 IPC_SYNC_MESSAGE_CONTROL3_1(WorkerProcessHostMsg_AllowIndexedDB, 78 int /* worker_route_id */, 79 GURL /* origin url */, 80 base::string16 /* database name */, 81 bool /* result */) 82 83 // Sent by the worker process to request being killed. 84 IPC_SYNC_MESSAGE_CONTROL0_0(WorkerProcessHostMsg_ForceKillWorker) 85 86 87 //----------------------------------------------------------------------------- 88 // Worker messages 89 // These are messages sent from the renderer process to the worker process. 90 IPC_MESSAGE_ROUTED5(WorkerMsg_StartWorkerContext, 91 GURL /* url */, 92 base::string16 /* user_agent */, 93 base::string16 /* source_code */, 94 base::string16 /* content_security_policy */, 95 blink::WebContentSecurityPolicyType) 96 97 IPC_MESSAGE_ROUTED0(WorkerMsg_TerminateWorkerContext) 98 99 IPC_MESSAGE_ROUTED2(WorkerMsg_Connect, 100 int /* sent_message_port_id */, 101 int /* routing_id */) 102 103 IPC_MESSAGE_ROUTED0(WorkerMsg_WorkerObjectDestroyed) 104 105 106 //----------------------------------------------------------------------------- 107 // WorkerHost messages 108 // These are messages sent from the worker process to the renderer process. 109 // WorkerMsg_PostMessage is also sent here. 110 IPC_MESSAGE_CONTROL1(WorkerHostMsg_WorkerContextClosed, 111 int /* worker_route_id */) 112 IPC_MESSAGE_ROUTED0(WorkerHostMsg_WorkerContextDestroyed) 113