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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "FrameSelection.h"
#import "AXObjectCache.h"
#import "Frame.h"
#import "RenderView.h"
namespace WebCore {
static CGRect accessibilityConvertScreenRect(CGRect bounds)
{
NSArray *screens = [NSScreen screens];
if ([screens count]) {
CGFloat screenHeight = NSHeight([(NSScreen *)[screens objectAtIndex:0] frame]);
bounds.origin.y = (screenHeight - (bounds.origin.y + bounds.size.height));
} else
bounds = CGRectZero;
return bounds;
}
void FrameSelection::notifyAccessibilityForSelectionChange()
{
Document* document = m_frame->document();
if (m_selection.start().isNotNull() && m_selection.end().isNotNull()) {
if (AXObjectCache* cache = document->existingAXObjectCache())
cache->postNotification(m_selection.start().deprecatedNode()->renderer(), AXObjectCache::AXSelectedTextChanged, false);
}
// if zoom feature is enabled, insertion point changes should update the zoom
if (!UAZoomEnabled() || !m_selection.isCaret())
return;
RenderView* renderView = document->renderView();
if (!renderView)
return;
FrameView* frameView = m_frame->view();
if (!frameView)
return;
IntRect selectionRect = absoluteCaretBounds();
IntRect viewRect = pixelSnappedIntRect(renderView->viewRect());
selectionRect = frameView->contentsToScreen(selectionRect);
viewRect = frameView->contentsToScreen(viewRect);
CGRect cgCaretRect = CGRectMake(selectionRect.x(), selectionRect.y(), selectionRect.width(), selectionRect.height());
CGRect cgViewRect = CGRectMake(viewRect.x(), viewRect.y(), viewRect.width(), viewRect.height());
cgCaretRect = accessibilityConvertScreenRect(cgCaretRect);
cgViewRect = accessibilityConvertScreenRect(cgViewRect);
UAZoomChangeFocus(&cgViewRect, &cgCaretRect, kUAZoomFocusTypeInsertionPoint);
}
} // namespace WebCore
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