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// 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.
#include "content/browser/accessibility/browser_accessibility_manager_win.h"
#include "content/browser/accessibility/browser_accessibility_win.h"
#include "content/common/view_messages.h"
using webkit_glue::WebAccessibility;
// static
BrowserAccessibilityManager* BrowserAccessibilityManager::Create(
gfx::NativeView parent_view,
const WebAccessibility& src,
BrowserAccessibilityDelegate* delegate,
BrowserAccessibilityFactory* factory) {
return new BrowserAccessibilityManagerWin(
parent_view,
src,
delegate,
factory);
}
BrowserAccessibilityManagerWin*
BrowserAccessibilityManager::toBrowserAccessibilityManagerWin() {
return static_cast<BrowserAccessibilityManagerWin*>(this);
}
BrowserAccessibilityManagerWin::BrowserAccessibilityManagerWin(
HWND parent_view,
const WebAccessibility& src,
BrowserAccessibilityDelegate* delegate,
BrowserAccessibilityFactory* factory)
: BrowserAccessibilityManager(parent_view, src, delegate, factory) {
// Allow NULL parent_view for unit testing.
if (parent_view == NULL) {
window_iaccessible_ = NULL;
return;
}
HRESULT hr = ::CreateStdAccessibleObject(
parent_view, OBJID_WINDOW, IID_IAccessible,
reinterpret_cast<void **>(&window_iaccessible_));
DCHECK(SUCCEEDED(hr));
}
BrowserAccessibilityManagerWin::~BrowserAccessibilityManagerWin() {
}
IAccessible* BrowserAccessibilityManagerWin::GetParentWindowIAccessible() {
return window_iaccessible_;
}
void BrowserAccessibilityManagerWin::NotifyAccessibilityEvent(
int type,
BrowserAccessibility* node) {
LONG event_id = EVENT_MIN;
switch (type) {
case ViewHostMsg_AccEvent::ACTIVE_DESCENDANT_CHANGED:
event_id = IA2_EVENT_ACTIVE_DESCENDANT_CHANGED;
break;
case ViewHostMsg_AccEvent::CHECK_STATE_CHANGED:
event_id = EVENT_OBJECT_STATECHANGE;
break;
case ViewHostMsg_AccEvent::CHILDREN_CHANGED:
event_id = EVENT_OBJECT_REORDER;
break;
case ViewHostMsg_AccEvent::FOCUS_CHANGED:
event_id = EVENT_OBJECT_FOCUS;
break;
case ViewHostMsg_AccEvent::LOAD_COMPLETE:
event_id = IA2_EVENT_DOCUMENT_LOAD_COMPLETE;
break;
case ViewHostMsg_AccEvent::VALUE_CHANGED:
event_id = EVENT_OBJECT_VALUECHANGE;
break;
case ViewHostMsg_AccEvent::SELECTED_TEXT_CHANGED:
event_id = IA2_EVENT_TEXT_CARET_MOVED;
break;
case ViewHostMsg_AccEvent::LIVE_REGION_CHANGED:
event_id = EVENT_OBJECT_REORDER;
break;
case ViewHostMsg_AccEvent::TEXT_INSERTED:
event_id = IA2_EVENT_TEXT_INSERTED;
break;
case ViewHostMsg_AccEvent::TEXT_REMOVED:
event_id = IA2_EVENT_TEXT_REMOVED;
break;
case ViewHostMsg_AccEvent::OBJECT_SHOW:
event_id = EVENT_OBJECT_SHOW;
break;
case ViewHostMsg_AccEvent::OBJECT_HIDE:
event_id = EVENT_OBJECT_HIDE;
break;
case ViewHostMsg_AccEvent::ALERT:
event_id = EVENT_SYSTEM_ALERT;
break;
case ViewHostMsg_AccEvent::MENU_LIST_VALUE_CHANGED:
event_id = EVENT_OBJECT_VALUECHANGE;
break;
case ViewHostMsg_AccEvent::SELECTED_CHILDREN_CHANGED:
event_id = EVENT_OBJECT_SELECTIONWITHIN;
break;
default:
// Not all WebKit accessibility events result in a Windows
// accessibility notification.
return;
}
NotifyWinEvent(event_id, GetParentView(), OBJID_CLIENT, node->child_id());
}
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