18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2005 Apple Computer, Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * its contributors may be used to endorse or promote products derived 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * from this software without specific prior written permission. 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#import "WebClipView.h" 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 3121939df44de1705786c545cd1bf519d47250322dBen Murdoch#import "WebFrameInternal.h" 3221939df44de1705786c545cd1bf519d47250322dBen Murdoch#import "WebFrameView.h" 3321939df44de1705786c545cd1bf519d47250322dBen Murdoch#import "WebViewPrivate.h" 3421939df44de1705786c545cd1bf519d47250322dBen Murdoch#import <WebCore/FrameView.h> 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// WebClipView's entire reason for existing is to set the clip used by focus ring redrawing. 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// There's no easy way to prevent the focus ring from drawing outside the passed-in clip rectangle 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// because it expects to have to draw outside the bounds of the view it's being drawn for. 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// But it looks for the enclosing clip view, which gives us a hook we can use to control it. 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// The "additional clip" is a clip for focus ring redrawing. 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// FIXME: Change terminology from "additional clip" to "focus ring clip". 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 4421939df44de1705786c545cd1bf519d47250322dBen Murdochusing namespace WebCore; 4521939df44de1705786c545cd1bf519d47250322dBen Murdoch 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project@interface NSView (WebViewMethod) 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project- (WebView *)_webView; 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project@end 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 5021939df44de1705786c545cd1bf519d47250322dBen Murdoch@interface NSClipView (WebNSClipViewDetails) 5121939df44de1705786c545cd1bf519d47250322dBen Murdoch- (void)_immediateScrollToPoint:(NSPoint)newOrigin; 5221939df44de1705786c545cd1bf519d47250322dBen Murdoch@end 5321939df44de1705786c545cd1bf519d47250322dBen Murdoch 542bde8e466a4451c7319e3a072d118917957d6554Steve Block#if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) 552bde8e466a4451c7319e3a072d118917957d6554Steve Block@interface NSWindow (WebNSWindowDetails) 562bde8e466a4451c7319e3a072d118917957d6554Steve Block- (void)_disableDelayedWindowDisplay; 572bde8e466a4451c7319e3a072d118917957d6554Steve Block- (void)_enableDelayedWindowDisplay; 582bde8e466a4451c7319e3a072d118917957d6554Steve Block@end 592bde8e466a4451c7319e3a072d118917957d6554Steve Block#endif 602bde8e466a4451c7319e3a072d118917957d6554Steve Block 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project@implementation WebClipView 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project- (id)initWithFrame:(NSRect)frame 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project self = [super initWithFrame:frame]; 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!self) 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return nil; 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // In WebHTMLView, we set a clip. This is not typical to do in an 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // NSView, and while correct for any one invocation of drawRect:, 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // it causes some bad problems if that clip is cached between calls. 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // The cached graphics state, which clip views keep around, does 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // cache the clip in this undesirable way. Consequently, we want to 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // release the GState for all clip views for all views contained in 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // a WebHTMLView. Here we do it for subframes, which use WebClipView. 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // See these bugs for more information: 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // <rdar://problem/3409315>: REGRESSSION (7B58-7B60)?: Safari draws blank frames on macosx.apple.com perf page 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project [self releaseGState]; 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return self; 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 8321939df44de1705786c545cd1bf519d47250322dBen Murdoch#if USE(ACCELERATED_COMPOSITING) 8421939df44de1705786c545cd1bf519d47250322dBen Murdoch- (NSRect)visibleRect 8521939df44de1705786c545cd1bf519d47250322dBen Murdoch{ 8621939df44de1705786c545cd1bf519d47250322dBen Murdoch if (!_isScrolling) 8721939df44de1705786c545cd1bf519d47250322dBen Murdoch return [super visibleRect]; 8821939df44de1705786c545cd1bf519d47250322dBen Murdoch 8921939df44de1705786c545cd1bf519d47250322dBen Murdoch WebFrameView *webFrameView = (WebFrameView *)[[self superview] superview]; 9021939df44de1705786c545cd1bf519d47250322dBen Murdoch if (![webFrameView isKindOfClass:[WebFrameView class]]) 9121939df44de1705786c545cd1bf519d47250322dBen Murdoch return [super visibleRect]; 9221939df44de1705786c545cd1bf519d47250322dBen Murdoch 9321939df44de1705786c545cd1bf519d47250322dBen Murdoch if (Frame* coreFrame = core([webFrameView webFrame])) { 9421939df44de1705786c545cd1bf519d47250322dBen Murdoch if (FrameView* frameView = coreFrame->view()) { 9521939df44de1705786c545cd1bf519d47250322dBen Murdoch if (frameView->isEnclosedInCompositingLayer()) 9621939df44de1705786c545cd1bf519d47250322dBen Murdoch return [self bounds]; 9721939df44de1705786c545cd1bf519d47250322dBen Murdoch } 9821939df44de1705786c545cd1bf519d47250322dBen Murdoch } 9921939df44de1705786c545cd1bf519d47250322dBen Murdoch 10021939df44de1705786c545cd1bf519d47250322dBen Murdoch return [super visibleRect]; 10121939df44de1705786c545cd1bf519d47250322dBen Murdoch} 10221939df44de1705786c545cd1bf519d47250322dBen Murdoch 10321939df44de1705786c545cd1bf519d47250322dBen Murdoch- (void)_immediateScrollToPoint:(NSPoint)newOrigin 10421939df44de1705786c545cd1bf519d47250322dBen Murdoch{ 10521939df44de1705786c545cd1bf519d47250322dBen Murdoch _isScrolling = YES; 1062bde8e466a4451c7319e3a072d118917957d6554Steve Block 1072bde8e466a4451c7319e3a072d118917957d6554Steve Block#if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) 1082bde8e466a4451c7319e3a072d118917957d6554Steve Block [[self window] _disableDelayedWindowDisplay]; 1092bde8e466a4451c7319e3a072d118917957d6554Steve Block#endif 1102bde8e466a4451c7319e3a072d118917957d6554Steve Block 11121939df44de1705786c545cd1bf519d47250322dBen Murdoch [super _immediateScrollToPoint:newOrigin]; 1122bde8e466a4451c7319e3a072d118917957d6554Steve Block 1132bde8e466a4451c7319e3a072d118917957d6554Steve Block#if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) 1142bde8e466a4451c7319e3a072d118917957d6554Steve Block [[self window] _enableDelayedWindowDisplay]; 1152bde8e466a4451c7319e3a072d118917957d6554Steve Block#endif 1162bde8e466a4451c7319e3a072d118917957d6554Steve Block 11721939df44de1705786c545cd1bf519d47250322dBen Murdoch _isScrolling = NO; 11821939df44de1705786c545cd1bf519d47250322dBen Murdoch} 11921939df44de1705786c545cd1bf519d47250322dBen Murdoch#endif 12021939df44de1705786c545cd1bf519d47250322dBen Murdoch 1218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project- (void)resetAdditionalClip 1228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ASSERT(_haveAdditionalClip); 1248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project _haveAdditionalClip = NO; 1258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project- (void)setAdditionalClip:(NSRect)additionalClip 1288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ASSERT(!_haveAdditionalClip); 1308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project _haveAdditionalClip = YES; 1318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project _additionalClip = additionalClip; 1328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project- (BOOL)hasAdditionalClip 1358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return _haveAdditionalClip; 1378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project- (NSRect)additionalClip 1408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ASSERT(_haveAdditionalClip); 1428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return _additionalClip; 1438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project- (NSRect)_focusRingVisibleRect 1468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project NSRect rect = [self visibleRect]; 1488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (_haveAdditionalClip) { 1498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project rect = NSIntersectionRect(rect, _additionalClip); 1508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return rect; 1528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project- (void)scrollWheel:(NSEvent *)event 1558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project NSView *docView = [self documentView]; 1578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if ([docView respondsToSelector:@selector(_webView)]) { 1588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#if ENABLE(DASHBOARD_SUPPORT) 1598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project WebView *wv = [docView _webView]; 1608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if ([wv _dashboardBehavior:WebDashboardBehaviorAllowWheelScrolling]) { 1618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project [super scrollWheel:event]; 1628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif 1648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return; 1658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project [super scrollWheel:event]; 1678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project@end 170