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 

    34 namespace WebCore {

    35 

    36 void 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