// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Defines messages between the browser and worker process, as well as between // the renderer and worker process. // Multiply-included message file, hence no include guard. #include #include #include #include "base/basictypes.h" #include "base/strings/string16.h" #include "content/common/content_export.h" #include "ipc/ipc_message_macros.h" #include "ipc/ipc_message_utils.h" #include "third_party/WebKit/public/web/WebContentSecurityPolicy.h" #include "url/gurl.h" // Singly-included section, not converted. #ifndef CONTENT_COMMON_WORKER_MESSAGES_H_ #define CONTENT_COMMON_WORKER_MESSAGES_H_ typedef std::pair > QueuedMessage; #endif // CONTENT_COMMON_WORKER_MESSAGES_H_ #undef IPC_MESSAGE_EXPORT #define IPC_MESSAGE_EXPORT CONTENT_EXPORT #define IPC_MESSAGE_START WorkerMsgStart // Parameters structure for WorkerHostMsg_PostConsoleMessageToWorkerObject, // which has too many data parameters to be reasonably put in a predefined // IPC message. The data members directly correspond to parameters of // WebWorkerClient::postConsoleMessageToWorkerObject() IPC_STRUCT_BEGIN(WorkerHostMsg_PostConsoleMessageToWorkerObject_Params) IPC_STRUCT_MEMBER(int, source_identifier) IPC_STRUCT_MEMBER(int, message_type) IPC_STRUCT_MEMBER(int, message_level) IPC_STRUCT_MEMBER(string16, message) IPC_STRUCT_MEMBER(int, line_number) IPC_STRUCT_MEMBER(string16, source_url) IPC_STRUCT_END() // Parameter structure for WorkerProcessMsg_CreateWorker. IPC_STRUCT_BEGIN(WorkerProcessMsg_CreateWorker_Params) IPC_STRUCT_MEMBER(GURL, url) IPC_STRUCT_MEMBER(string16, name) IPC_STRUCT_MEMBER(int, route_id) IPC_STRUCT_MEMBER(int, creator_process_id) IPC_STRUCT_MEMBER(int64, shared_worker_appcache_id) IPC_STRUCT_END() IPC_ENUM_TRAITS(WebKit::WebContentSecurityPolicyType) //----------------------------------------------------------------------------- // WorkerProcess messages // These are messages sent from the browser to the worker process. IPC_MESSAGE_CONTROL1(WorkerProcessMsg_CreateWorker, WorkerProcessMsg_CreateWorker_Params) // Note: these Message Port related messages can also be sent to the // renderer process. Putting them here since we don't have a shared place // like common_messages_internal.h IPC_MESSAGE_ROUTED3(WorkerProcessMsg_Message, string16 /* message */, std::vector /* sent_message_port_ids */, std::vector /* new_routing_ids */) // Tells the Message Port Channel object that there are no more in-flight // messages arriving. IPC_MESSAGE_ROUTED0(WorkerProcessMsg_MessagesQueued) //----------------------------------------------------------------------------- // WorkerProcessHost messages // These are messages sent from the worker process to the browser process. // Note: these Message Port related messages can also be sent out from the // renderer process. Putting them here since we don't have a shared place // like common_messages_internal.h // Creates a new Message Port Channel object. The first paramaeter is the // message port channel's routing id in this process. The second parameter // is the process-wide-unique identifier for that port. IPC_SYNC_MESSAGE_CONTROL0_2(WorkerProcessHostMsg_CreateMessagePort, int /* route_id */, int /* message_port_id */) // Sent when a Message Port Channel object is destroyed. IPC_MESSAGE_CONTROL1(WorkerProcessHostMsg_DestroyMessagePort, int /* message_port_id */) // Sends a message to a message port. Optionally sends a message port as // as well if sent_message_port_id != MSG_ROUTING_NONE. IPC_MESSAGE_CONTROL3(WorkerProcessHostMsg_PostMessage, int /* sender_message_port_id */, string16 /* message */, std::vector /* sent_message_port_ids */) // Causes messages sent to the remote port to be delivered to this local port. IPC_MESSAGE_CONTROL2(WorkerProcessHostMsg_Entangle, int /* local_message_port_id */, int /* remote_message_port_id */) // Causes the browser to queue messages sent to this port until the the port // has made sure that all in-flight messages were routed to the new // destination. IPC_MESSAGE_CONTROL1(WorkerProcessHostMsg_QueueMessages, int /* message_port_id */) // Sends the browser all the queued messages that arrived at this message port // after it was sent in a postMessage call. // NOTE: MSVS can't compile the macro if std::vector > // is used, so we typedef it in worker_messages.h. IPC_MESSAGE_CONTROL2(WorkerProcessHostMsg_SendQueuedMessages, int /* message_port_id */, std::vector /* queued_messages */) // Sent by the worker process to check whether access to web databases is // allowed. IPC_SYNC_MESSAGE_CONTROL5_1(WorkerProcessHostMsg_AllowDatabase, int /* worker_route_id */, GURL /* origin url */, string16 /* database name */, string16 /* database display name */, unsigned long /* estimated size */, bool /* result */) // Sent by the worker process to check whether access to file system is allowed. IPC_SYNC_MESSAGE_CONTROL2_1(WorkerProcessHostMsg_AllowFileSystem, int /* worker_route_id */, GURL /* origin url */, bool /* result */) // Sent by the worker process to check whether access to IndexedDB is allowed. IPC_SYNC_MESSAGE_CONTROL3_1(WorkerProcessHostMsg_AllowIndexedDB, int /* worker_route_id */, GURL /* origin url */, string16 /* database name */, bool /* result */) //----------------------------------------------------------------------------- // Worker messages // These are messages sent from the renderer process to the worker process. IPC_MESSAGE_ROUTED5(WorkerMsg_StartWorkerContext, GURL /* url */, string16 /* user_agent */, string16 /* source_code */, string16 /* content_security_policy */, WebKit::WebContentSecurityPolicyType) IPC_MESSAGE_ROUTED0(WorkerMsg_TerminateWorkerContext) IPC_MESSAGE_ROUTED3(WorkerMsg_PostMessage, string16 /* message */, std::vector /* sent_message_port_ids */, std::vector /* new_routing_ids */) IPC_MESSAGE_ROUTED2(WorkerMsg_Connect, int /* sent_message_port_id */, int /* routing_id */) IPC_MESSAGE_ROUTED0(WorkerMsg_WorkerObjectDestroyed) //----------------------------------------------------------------------------- // WorkerHost messages // These are messages sent from the worker process to the renderer process. // WorkerMsg_PostMessage is also sent here. IPC_MESSAGE_ROUTED3(WorkerHostMsg_PostExceptionToWorkerObject, string16 /* error_message */, int /* line_number */, string16 /* source_url*/) IPC_MESSAGE_ROUTED1(WorkerHostMsg_PostConsoleMessageToWorkerObject, WorkerHostMsg_PostConsoleMessageToWorkerObject_Params) IPC_MESSAGE_ROUTED1(WorkerHostMsg_ConfirmMessageFromWorkerObject, bool /* bool has_pending_activity */) IPC_MESSAGE_ROUTED1(WorkerHostMsg_ReportPendingActivity, bool /* bool has_pending_activity */) IPC_MESSAGE_CONTROL1(WorkerHostMsg_WorkerContextClosed, int /* worker_route_id */) IPC_MESSAGE_ROUTED0(WorkerHostMsg_WorkerContextDestroyed)