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// 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.
// IPC messages for accessibility.
// Multiply-included message file, hence no include guard.
#include "base/basictypes.h"
#include "content/common/content_export.h"
#include "content/common/view_message_enums.h"
#include "content/public/common/common_param_traits.h"
#include "ipc/ipc_message_macros.h"
#include "ipc/ipc_message_utils.h"
#include "ipc/ipc_param_traits.h"
#include "ipc/param_traits_macros.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPoint.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebRect.h"
#include "webkit/glue/webaccessibility.h"
#undef IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
#define IPC_MESSAGE_START AccessibilityMsgStart
#ifndef CONTENT_COMMON_ACCESSIBILITY_MESSAGES_H_
#define CONTENT_COMMON_ACCESSIBILITY_MESSAGES_H_
enum AccessibilityNotification {
// The active descendant of a node has changed.
AccessibilityNotificationActiveDescendantChanged,
// An alert appeared.
AccessibilityNotificationAlert,
// A node has lost focus.
AccessibilityNotificationBlur,
// The node checked state has changed.
AccessibilityNotificationCheckStateChanged,
// The node tree structure has changed.
AccessibilityNotificationChildrenChanged,
// The node in focus has changed.
AccessibilityNotificationFocusChanged,
// Page layout has completed.
AccessibilityNotificationLayoutComplete,
// Content within a part of the page marked as a live region changed.
AccessibilityNotificationLiveRegionChanged,
// The document node has loaded.
AccessibilityNotificationLoadComplete,
// A menu list selection changed.
AccessibilityNotificationMenuListItemSelected,
// A menu list value changed.
AccessibilityNotificationMenuListValueChanged,
// An object was shown.
AccessibilityNotificationObjectShow,
// An object was hidden.
AccessibilityNotificationObjectHide,
// The number of rows in a grid or tree control changed.
AccessibilityNotificationRowCountChanged,
// A row in a grid or tree control was collapsed.
AccessibilityNotificationRowCollapsed,
// A row in a grid or tree control was expanded.
AccessibilityNotificationRowExpanded,
// The document was scrolled to an anchor node.
AccessibilityNotificationScrolledToAnchor,
// One or more selected children of this node have changed.
AccessibilityNotificationSelectedChildrenChanged,
// The text cursor or selection changed.
AccessibilityNotificationSelectedTextChanged,
// Text was inserted in a node with text content.
AccessibilityNotificationTextInserted,
// Text was removed in a node with text content.
AccessibilityNotificationTextRemoved,
// The node value has changed.
AccessibilityNotificationValueChanged,
};
#endif // CONTENT_COMMON_ACCESSIBILITY_MESSAGES_H_
IPC_ENUM_TRAITS(AccessibilityMode)
IPC_ENUM_TRAITS(AccessibilityNotification)
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_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_BEGIN(AccessibilityHostMsg_NotificationParams)
// Type of notification.
IPC_STRUCT_MEMBER(AccessibilityNotification, notification_type)
// ID of the node that the notification applies to.
IPC_STRUCT_MEMBER(int, id)
// The accessibility node tree.
IPC_STRUCT_MEMBER(webkit_glue::WebAccessibility, acc_tree)
// Whether children are included in this tree, otherwise it's just an
// update to this one node and existing children are left in place.
IPC_STRUCT_MEMBER(bool, includes_children)
IPC_STRUCT_END()
// Messages sent from the browser to the renderer.
// Change the accessibility mode in the renderer process.
IPC_MESSAGE_ROUTED1(AccessibilityMsg_SetMode,
AccessibilityMode)
// Relay a request from assistive technology to set focus to a given node.
IPC_MESSAGE_ROUTED1(AccessibilityMsg_SetFocus,
int /* object id */)
// Relay a request from assistive technology to perform the default action
// on a given node.
IPC_MESSAGE_ROUTED1(AccessibilityMsg_DoDefaultAction,
int /* object id */)
// Relay a request from assistive technology to make a given object
// visible by scrolling as many scrollable containers as possible.
// In addition, if it's not possible to make the entire object visible,
// scroll so that the |subfocus| rect is visible at least. The subfocus
// rect is in local coordinates of the object itself.
IPC_MESSAGE_ROUTED2(AccessibilityMsg_ScrollToMakeVisible,
int /* object id */,
gfx::Rect /* subfocus */)
// Relay a request from assistive technology to move a given object
// to a specific location, in the WebContents area coordinate space, i.e.
// (0, 0) is the top-left corner of the WebContents.
IPC_MESSAGE_ROUTED2(AccessibilityMsg_ScrollToPoint,
int /* object id */,
gfx::Point /* new location */)
// Relay a request from assistive technology to set the cursor or
// selection within an editable text element.
IPC_MESSAGE_ROUTED3(AccessibilityMsg_SetTextSelection,
int /* object id */,
int /* New start offset */,
int /* New end offset */)
// Tells the render view that a AccessibilityHostMsg_Notifications
// message was processed and it can send addition notifications.
IPC_MESSAGE_ROUTED0(AccessibilityMsg_Notifications_ACK)
// Messages sent from the renderer to the browser.
// Sent to notify the browser about renderer accessibility notifications.
// The browser responds with a AccessibilityMsg_Notifications_ACK.
IPC_MESSAGE_ROUTED1(
AccessibilityHostMsg_Notifications,
std::vector<AccessibilityHostMsg_NotificationParams>)
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