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 33namespace WebCore { 34 35static CGRect accessibilityConvertScreenRect(CGRect bounds) 36{ 37 NSArray *screens = [NSScreen screens]; 38 if ([screens count]) { 39 CGFloat screenHeight = NSHeight([(NSScreen *)[screens objectAtIndex:0] frame]); 40 bounds.origin.y = (screenHeight - (bounds.origin.y + bounds.size.height)); 41 } else 42 bounds = CGRectZero; 43 44 return bounds; 45} 46 47 48void 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()->renderer(), AXObjectCache::AXSelectedTextChanged, false); 55 } 56 57 // if zoom feature is enabled, insertion point changes should update the zoom 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(), selectionRect.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 82