Add a big grab bag of missing web accessibility functionality...

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/common_param_traits.h"
@@ skipping 29 matching lines @@
 #if defined(OS_MACOSX)
 #include "content/common/font_descriptor_mac.h"
 #endif
 
 // Define enums used in this file inside an include-guard.
 #ifndef CONTENT_COMMON_VIEW_MESSAGES_H_
 #define CONTENT_COMMON_VIEW_MESSAGES_H_
 
 struct ViewHostMsg_AccessibilityNotification_Type {
   enum Value {
+    // The active descendant of a node has changed.
+    NOTIFICATION_TYPE_ACTIVE_DESCENDANT_CHANGED,
+
     // The node checked state has changed.
     NOTIFICATION_TYPE_CHECK_STATE_CHANGED,
 
     // The node tree structure has changed.
     NOTIFICATION_TYPE_CHILDREN_CHANGED,
 
     // The node in focus has changed.
     NOTIFICATION_TYPE_FOCUS_CHANGED,
 
+    // Page layout has completed.
+    NOTIFICATION_TYPE_LAYOUT_COMPLETE,
+
     // The document node has loaded.
     NOTIFICATION_TYPE_LOAD_COMPLETE,
 
+    // One or more selected children of this node have changed.
+    NOTIFICATION_TYPE_SELECTED_CHILDREN_CHANGED,
+
+    // The text cursor or selection changed.
+    NOTIFICATION_TYPE_SELECTED_TEXT_CHANGED,
+
     // The node value has changed.
     NOTIFICATION_TYPE_VALUE_CHANGED,
 
-    // The text cursor or selection changed.
-    NOTIFICATION_TYPE_SELECTED_TEXT_CHANGED,
+    // The document was scrolled to an anchor node.
+    NOTIFICATION_TYPE_SCROLLED_TO_ANCHOR,
+
+    // Content within a part of the page marked as a live region changed.
+    NOTIFICATION_TYPE_LIVE_REGION_CHANGED,
+
+    // A menu list value changed.
+    NOTIFICATION_TYPE_MENU_LIST_VALUE_CHANGED,
+
+    // The number of rows in a grid or tree control changed.
+    NOTIFICATION_TYPE_ROW_COUNT_CHANGED,
+
+    // A row in a grid or tree control was collapsed.
+    NOTIFICATION_TYPE_ROW_COLLAPSED,
+
+    // A row in a grid or tree control was expanded.
+    NOTIFICATION_TYPE_ROW_EXPANDED,
+
+    // Text was inserted in a node with text content.
+    NOTIFICATION_TYPE_TEXT_INSERTED,
+
+    // Text was removed in a node with text content.
+    NOTIFICATION_TYPE_TEXT_REMOVED,
+
+    // An object was shown.
+    NOTIFICATION_TYPE_OBJECT_SHOW,
+
+    // An object was hidden.
+    NOTIFICATION_TYPE_OBJECT_HIDE,
+
+    // An alert appeared.
+    NOTIFICATION_TYPE_ALERT,

[David Tseng, 2011/08/26 16:14:37]

nit: sort alphabetically.

[dmazzoni, 2011/08/29 18:08:51]

Done.

   };
 };
 
 // Values that may be OR'd together to form the 'flags' parameter of the
 // ViewMsg_EnablePreferredSizeChangedMode message.
 enum ViewHostMsg_EnablePreferredSizeChangedMode_Flags {
   kPreferredSizeNothing,
   kPreferredSizeWidth = 1 << 0,
   // Requesting the height currently requires a polling loop in render_view.cc.
   kPreferredSizeHeightThisIsSlow = 1 << 1,
@@ skipping 85 matching lines @@
 IPC_ENUM_TRAITS(ViewHostMsg_RunFileChooser_Mode::Value)
 IPC_ENUM_TRAITS(ViewMsg_Navigate_Type::Value)
 IPC_ENUM_TRAITS(ViewMsg_StopFinding_Params::Action)
 IPC_ENUM_TRAITS(WebKit::WebContextMenuData::MediaType)
 IPC_ENUM_TRAITS(WebKit::WebMediaPlayerAction::Type)
 IPC_ENUM_TRAITS(WebKit::WebPopupType)
 IPC_ENUM_TRAITS(WebKit::WebTextDirection)
 IPC_ENUM_TRAITS(ui::TextInputType)
 IPC_ENUM_TRAITS(WebMenuItem::Type)
 IPC_ENUM_TRAITS(WindowContainerType)
+IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::BoolAttribute)
+IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::FloatAttribute)
 IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::IntAttribute)
 IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::Role)
 IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::State)
 IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::StringAttribute)
 IPC_ENUM_TRAITS(media::MediaLogEvent::Type)
 
 IPC_STRUCT_TRAITS_BEGIN(ContextMenuParams)
   IPC_STRUCT_TRAITS_MEMBER(media_type)
   IPC_STRUCT_TRAITS_MEMBER(x)
   IPC_STRUCT_TRAITS_MEMBER(y)
@@ skipping 183 matching lines @@
 
 IPC_STRUCT_TRAITS_BEGIN(webkit_glue::WebAccessibility)
   IPC_STRUCT_TRAITS_MEMBER(id)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(value)
   IPC_STRUCT_TRAITS_MEMBER(role)
   IPC_STRUCT_TRAITS_MEMBER(state)
   IPC_STRUCT_TRAITS_MEMBER(location)
   IPC_STRUCT_TRAITS_MEMBER(string_attributes)
   IPC_STRUCT_TRAITS_MEMBER(int_attributes)
+  IPC_STRUCT_TRAITS_MEMBER(float_attributes)
+  IPC_STRUCT_TRAITS_MEMBER(bool_attributes)
   IPC_STRUCT_TRAITS_MEMBER(children)
   IPC_STRUCT_TRAITS_MEMBER(indirect_child_ids)
   IPC_STRUCT_TRAITS_MEMBER(html_attributes)
   IPC_STRUCT_TRAITS_MEMBER(line_breaks)
   IPC_STRUCT_TRAITS_MEMBER(cell_ids)
+  IPC_STRUCT_TRAITS_MEMBER(unique_cell_ids)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(webkit_glue::WebCookie)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(value)
   IPC_STRUCT_TRAITS_MEMBER(domain)
   IPC_STRUCT_TRAITS_MEMBER(path)
   IPC_STRUCT_TRAITS_MEMBER(expires)
   IPC_STRUCT_TRAITS_MEMBER(http_only)
   IPC_STRUCT_TRAITS_MEMBER(secure)
@@ skipping 1696 matching lines @@
                     int32 /* complete status */)
 
 // Request updated information about the client firewall traversal policy.
 // Will result in a ViewMsg_UpdateRemoteAccessClientFirewallTraversal message
 // being sent back.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_RequestRemoteAccessClientFirewallTraversal)
 
 // Notifies the browser of an event occurring in the media pipeline.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_MediaLogEvent,
                      media::MediaLogEvent /* event */)