SelectionControllerMac.mm revision d0825bca7fe65beaee391d30da42e937db621564 
1/*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "config.h"
27#import "SelectionController.h"
28
29#import "AXObjectCache.h"
30#import "Frame.h"
31#import "RenderView.h"
32#import "WebCoreViewFactory.h"
33
34namespace WebCore {
35
36void SelectionController::notifyAccessibilityForSelectionChange()
37{
38    Document* document = m_frame->document();
39
40    if (AXObjectCache::accessibilityEnabled() && m_selection.start().isNotNull() && m_selection.end().isNotNull())
41        document->axObjectCache()->postNotification(m_selection.start().node()->renderer(), AXObjectCache::AXSelectedTextChanged, false);
42
43    // if zoom feature is enabled, insertion point changes should update the zoom
44    if (!UAZoomEnabled() || !m_selection.isCaret())
45        return;
46
47    RenderView* renderView = document->renderView();
48    if (!renderView)
49        return;
50    FrameView* frameView = m_frame->view();
51    if (!frameView)
52        return;
53
54    IntRect selectionRect = absoluteCaretBounds();
55    IntRect viewRect = renderView->viewRect();
56
57    selectionRect = frameView->contentsToScreen(selectionRect);
58    viewRect = frameView->contentsToScreen(viewRect);
59    CGRect cgCaretRect = CGRectMake(selectionRect.x(), selectionRect.y(), selectionRect.width(), selectionRect.height());
60    CGRect cgViewRect = CGRectMake(viewRect.x(), viewRect.y(), viewRect.width(), viewRect.height());
61    cgCaretRect = [[WebCoreViewFactory sharedFactory] accessibilityConvertScreenRect:cgCaretRect];
62    cgViewRect = [[WebCoreViewFactory sharedFactory] accessibilityConvertScreenRect:cgViewRect];
63
64    UAZoomChangeFocus(&cgViewRect, &cgCaretRect, kUAZoomFocusTypeInsertionPoint);
65}
66
67} // namespace WebCore
68