Cross-process postMessage

content/common/view_messages.h

 // Copyright (c) 2011 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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
@@ skipping 551 matching lines @@
   IPC_STRUCT_MEMBER(int, closing_route_id)
 
   // The identifier of the RenderProcessHost for the new view attempting to
   // replace the closing one above.
   IPC_STRUCT_MEMBER(int, new_render_process_host_id)
 
   // The identifier of the *request* the new view made that is causing the
   // cross-site transition. This is *not* a route_id, but the request that we
   // will resume once the ACK from the closing view has been received.
   IPC_STRUCT_MEMBER(int, new_request_id)
+
+  // The identifier of the ContentFrame we need are becoming a proxy for.

[awong, 2011/12/21 01:56:07]

s/need//

[supersat, 2011/12/23 03:22:46]

Done.

+  IPC_STRUCT_MEMBER(int64, content_frame_id)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(ViewMsg_Navigate_Params)
   // The page_id for this navigation, or -1 if it is a new navigation.  Back,
   // Forward, and Reload navigations should have a valid page_id.  If the load
   // succeeds, then this page_id will be reflected in the resultant
   // ViewHostMsg_FrameNavigate message.
   IPC_STRUCT_MEMBER(int32, page_id)
 
   // If page_id is -1, then pending_history_list_offset will also be -1.
@@ skipping 48 matching lines @@
 
   // The ID of the view to be created.
   IPC_STRUCT_MEMBER(int32, view_id)
 
   // The session storage namespace ID this view should use.
   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 
   // The name of the frame associated with this view (or empty if none).
   IPC_STRUCT_MEMBER(string16, frame_name)
 
+  // The route ID of the opener RenderView if we need to set one (-1 otherwise)

[awong, 2011/12/21 01:56:07]

use a constant?

[supersat, 2011/12/23 03:22:46]

Done.

+  IPC_STRUCT_MEMBER(int32, opener_route_id)

[jam, 2011/12/22 20:06:53]

nit: we usually send routing ids as just ints

[supersat, 2011/12/23 03:22:46]

Done.

+
   // The initial page ID to use for this view, which must be larger than any
   // existing navigation that might be loaded in the view.  Page IDs are unique
   // to a view and are only updated by the renderer after this initial value.
   IPC_STRUCT_MEMBER(int32, next_page_id)
 IPC_STRUCT_END()
 
+IPC_STRUCT_BEGIN(ViewMsg_PostMessage_Params)
+  // The serialized script value
+  IPC_STRUCT_MEMBER(string16, data)
+
+  // The source origin
+  IPC_STRUCT_MEMBER(string16, sourceOrigin)

[awong, 2011/12/21 01:56:07]

lowercase_and_underscores.

[supersat, 2011/12/23 03:22:46]

Done.

+
+  // The target origin
+  IPC_STRUCT_MEMBER(string16, targetOrigin)
+IPC_STRUCT_END()
+
 // Messages sent from the browser to the renderer.
 
 // Sent to the RenderView when a new tab is swapped into an existing
 // tab and the histories need to be merged. The existing tab has a history of
 // |merged_history_length| which precedes the history of the new tab. All
 // page_ids >= |minimum_page_id| in the new tab are appended to the history.
 //
 // For example, suppose the history of page_ids in the new tab's RenderView
 // is [4 7 8]. This is merged into an existing tab with 3 history items, and
 // all pages in the new tab with page_id >= 7 are to be preserved.
@@ skipping 1305 matching lines @@
                      media::MediaLogEvent /* event */)
 
 // Requests to lock the mouse. Will result in a ViewMsg_LockMouse_ACK message
 // being sent back.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_LockMouse)
 
 // Requests to unlock the mouse. A ViewMsg_MouseLockLost message will be sent
 // whenever the mouse is unlocked (which may or may not be caused by
 // ViewHostMsg_UnlockMouse).
 IPC_MESSAGE_ROUTED0(ViewHostMsg_UnlockMouse)
+
+IPC_MESSAGE_CONTROL2(ViewHostMsg_SendPostMessage,
+                    int64 /* browsing_process_frame_id */,
+                    ViewMsg_PostMessage_Params)
+
+IPC_MESSAGE_ROUTED2(ViewMsg_PostMessage,
+                    int64 /* frame_id */,
+                    ViewMsg_PostMessage_Params)