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      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 "content/common/content_param_traits.h"
     18 #include "ipc/ipc_message_macros.h"
     19 #include "ipc/ipc_message_utils.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(base::string16, content_security_policy)
     44   IPC_STRUCT_MEMBER(blink::WebContentSecurityPolicyType, security_policy_type)
     45   IPC_STRUCT_MEMBER(bool, pause_on_start)
     46   IPC_STRUCT_MEMBER(int, route_id)
     47 IPC_STRUCT_END()
     48 
     49 //-----------------------------------------------------------------------------
     50 // WorkerProcess messages
     51 // These are messages sent from the browser to the worker process.
     52 IPC_MESSAGE_CONTROL1(WorkerProcessMsg_CreateWorker,
     53                      WorkerProcessMsg_CreateWorker_Params)
     54 
     55 //-----------------------------------------------------------------------------
     56 // WorkerProcessHost messages
     57 // These are messages sent from the worker process to the browser process.
     58 
     59 // Sent by the worker process to check whether access to web databases is
     60 // allowed.
     61 IPC_SYNC_MESSAGE_CONTROL5_1(WorkerProcessHostMsg_AllowDatabase,
     62                             int /* worker_route_id */,
     63                             GURL /* origin url */,
     64                             base::string16 /* database name */,
     65                             base::string16 /* database display name */,
     66                             unsigned long /* estimated size */,
     67                             bool /* result */)
     68 
     69 // Sent by the worker process to check whether access to file system is allowed.
     70 IPC_SYNC_MESSAGE_CONTROL2_1(WorkerProcessHostMsg_RequestFileSystemAccessSync,
     71                             int /* worker_route_id */,
     72                             GURL /* origin url */,
     73                             bool /* result */)
     74 
     75 // Sent by the worker process to check whether access to IndexedDB is allowed.
     76 IPC_SYNC_MESSAGE_CONTROL3_1(WorkerProcessHostMsg_AllowIndexedDB,
     77                             int /* worker_route_id */,
     78                             GURL /* origin url */,
     79                             base::string16 /* database name */,
     80                             bool /* result */)
     81 
     82 // Sent by the worker process to request being killed.
     83 IPC_SYNC_MESSAGE_CONTROL0_0(WorkerProcessHostMsg_ForceKillWorker)
     84 
     85 
     86 //-----------------------------------------------------------------------------
     87 // Worker messages
     88 // These are messages sent from the renderer process to the worker process.
     89 IPC_MESSAGE_ROUTED0(WorkerMsg_TerminateWorkerContext)
     90 
     91 IPC_MESSAGE_ROUTED2(WorkerMsg_Connect,
     92                     int /* sent_message_port_id */,
     93                     int /* routing_id */)
     94 
     95 IPC_MESSAGE_ROUTED0(WorkerMsg_WorkerObjectDestroyed)
     96 
     97 
     98 //-----------------------------------------------------------------------------
     99 // WorkerHost messages
    100 // These are messages sent from the worker process to the renderer process.
    101 // WorkerMsg_PostMessage is also sent here.
    102 IPC_MESSAGE_CONTROL1(WorkerHostMsg_WorkerContextClosed,
    103                      int /* worker_route_id */)
    104 
    105 IPC_MESSAGE_CONTROL1(WorkerHostMsg_WorkerContextDestroyed,
    106                      int /* worker_route_id */)
    107 
    108 IPC_MESSAGE_CONTROL1(WorkerHostMsg_WorkerScriptLoaded,
    109                      int /* worker_route_id */)
    110 
    111 IPC_MESSAGE_CONTROL1(WorkerHostMsg_WorkerScriptLoadFailed,
    112                      int /* worker_route_id */)
    113 
    114 IPC_MESSAGE_CONTROL2(WorkerHostMsg_WorkerConnected,
    115                      int /* message_port_id */,
    116                      int /* worker_route_id */)
    117