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| 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 "FrameSelection.h" | |
| 28 | |
| 29 #import "AXObjectCache.h" | |
| 30 #import "Frame.h" | |
| 31 #import "RenderView.h" | |
| 32 | |
| 33 namespace WebCore { | |
| 34 | |
| 35 static CGRect accessibilityConvertScreenRect(CGRect bounds) | |
| 36 { | |
| 37 NSArray *screens = [NSScreen screens]; | |
| 38 if ([screens count]) { | |
| 39 CGFloat screenHeight = NSHeight([(NSScreen *)[screens objectAtIndex:0] f
rame]); | |
| 40 bounds.origin.y = (screenHeight - (bounds.origin.y + bounds.size.height)
); | |
| 41 } else | |
| 42 bounds = CGRectZero; | |
| 43 | |
| 44 return bounds; | |
| 45 } | |
| 46 | |
| 47 | |
| 48 void FrameSelection::notifyAccessibilityForSelectionChange() | |
| 49 { | |
| 50 Document* document = m_frame->document(); | |
| 51 | |
| 52 if (m_selection.start().isNotNull() && m_selection.end().isNotNull()) { | |
| 53 if (AXObjectCache* cache = document->existingAXObjectCache()) | |
| 54 cache->postNotification(m_selection.start().deprecatedNode()->render
er(), AXObjectCache::AXSelectedTextChanged, false); | |
| 55 } | |
| 56 | |
| 57 // if zoom feature is enabled, insertion point changes should update the zoo
m | |
| 58 if (!UAZoomEnabled() || !m_selection.isCaret()) | |
| 59 return; | |
| 60 | |
| 61 RenderView* renderView = document->renderView(); | |
| 62 if (!renderView) | |
| 63 return; | |
| 64 FrameView* frameView = m_frame->view(); | |
| 65 if (!frameView) | |
| 66 return; | |
| 67 | |
| 68 IntRect selectionRect = absoluteCaretBounds(); | |
| 69 IntRect viewRect = pixelSnappedIntRect(renderView->viewRect()); | |
| 70 | |
| 71 selectionRect = frameView->contentsToScreen(selectionRect); | |
| 72 viewRect = frameView->contentsToScreen(viewRect); | |
| 73 CGRect cgCaretRect = CGRectMake(selectionRect.x(), selectionRect.y(), select
ionRect.width(), selectionRect.height()); | |
| 74 CGRect cgViewRect = CGRectMake(viewRect.x(), viewRect.y(), viewRect.width(),
viewRect.height()); | |
| 75 cgCaretRect = accessibilityConvertScreenRect(cgCaretRect); | |
| 76 cgViewRect = accessibilityConvertScreenRect(cgViewRect); | |
| 77 | |
| 78 UAZoomChangeFocus(&cgViewRect, &cgCaretRect, kUAZoomFocusTypeInsertionPoint)
; | |
| 79 } | |
| 80 | |
| 81 } // namespace WebCore | |
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