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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2001 Dirk Mueller (mueller@kde.org) | 4 * (C) 2001 Dirk Mueller (mueller@kde.org) |
5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org) | 5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org) |
6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All | 6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All |
7 * rights reserved. | 7 * rights reserved. |
8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. | 8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. |
9 * (http://www.torchmobile.com/) | 9 * (http://www.torchmobile.com/) |
10 * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved. | 10 * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved. |
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194 #include "core/loader/FrameLoader.h" | 194 #include "core/loader/FrameLoader.h" |
195 #include "core/loader/NavigationScheduler.h" | 195 #include "core/loader/NavigationScheduler.h" |
196 #include "core/loader/PrerendererClient.h" | 196 #include "core/loader/PrerendererClient.h" |
197 #include "core/loader/appcache/ApplicationCacheHost.h" | 197 #include "core/loader/appcache/ApplicationCacheHost.h" |
198 #include "core/page/ChromeClient.h" | 198 #include "core/page/ChromeClient.h" |
199 #include "core/page/EventWithHitTestResults.h" | 199 #include "core/page/EventWithHitTestResults.h" |
200 #include "core/page/FocusController.h" | 200 #include "core/page/FocusController.h" |
201 #include "core/page/FrameTree.h" | 201 #include "core/page/FrameTree.h" |
202 #include "core/page/Page.h" | 202 #include "core/page/Page.h" |
203 #include "core/page/PointerLockController.h" | 203 #include "core/page/PointerLockController.h" |
204 #include "core/page/scrolling/OverscrollController.h" | |
204 #include "core/page/scrolling/RootScrollerController.h" | 205 #include "core/page/scrolling/RootScrollerController.h" |
205 #include "core/page/scrolling/ScrollStateCallback.h" | 206 #include "core/page/scrolling/ScrollStateCallback.h" |
206 #include "core/page/scrolling/ScrollingCoordinator.h" | 207 #include "core/page/scrolling/ScrollingCoordinator.h" |
207 #include "core/page/scrolling/SnapCoordinator.h" | 208 #include "core/page/scrolling/SnapCoordinator.h" |
208 #include "core/page/scrolling/TopDocumentRootScrollerController.h" | 209 #include "core/page/scrolling/TopDocumentRootScrollerController.h" |
209 #include "core/probe/CoreProbes.h" | 210 #include "core/probe/CoreProbes.h" |
210 #include "core/resize_observer/ResizeObserverController.h" | 211 #include "core/resize_observer/ResizeObserverController.h" |
211 #include "core/svg/SVGDocumentExtensions.h" | 212 #include "core/svg/SVGDocumentExtensions.h" |
212 #include "core/svg/SVGScriptElement.h" | 213 #include "core/svg/SVGScriptElement.h" |
213 #include "core/svg/SVGTitleElement.h" | 214 #include "core/svg/SVGTitleElement.h" |
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1964 overflow_y = EOverflow::kAuto; | 1965 overflow_y = EOverflow::kAuto; |
1965 if (overflow_anchor == EOverflowAnchor::kVisible) | 1966 if (overflow_anchor == EOverflowAnchor::kVisible) |
1966 overflow_anchor = EOverflowAnchor::kAuto; | 1967 overflow_anchor = EOverflowAnchor::kAuto; |
1967 // Column-gap is (ab)used by the current paged overflow implementation (in | 1968 // Column-gap is (ab)used by the current paged overflow implementation (in |
1968 // lack of other ways to specify gaps between pages), so we have to | 1969 // lack of other ways to specify gaps between pages), so we have to |
1969 // propagate it too. | 1970 // propagate it too. |
1970 column_gap = overflow_style->ColumnGap(); | 1971 column_gap = overflow_style->ColumnGap(); |
1971 } | 1972 } |
1972 | 1973 |
1973 ScrollSnapType snap_type = overflow_style->GetScrollSnapType(); | 1974 ScrollSnapType snap_type = overflow_style->GetScrollSnapType(); |
1975 EScrollBoundaryBehavior scroll_boundary_behavior_x = | |
1976 overflow_style->ScrollBoundaryBehaviorX(); | |
1977 EScrollBoundaryBehavior scroll_boundary_behavior_y = | |
1978 overflow_style->ScrollBoundaryBehaviorY(); | |
1979 using ScrollBoundaryBehaviorType = | |
1980 WebScrollBoundaryBehavior::ScrollBoundaryBehaviorType; | |
1981 if (RuntimeEnabledFeatures::CSSScrollBoundaryBehaviorEnabled()) { | |
1982 GetPage()->GetOverscrollController().SetScrollBoundaryBehavior( | |
majidvp
2017/07/21 15:24:12
If I understand this correctly, the current logic
sunyunjia
2017/07/25 20:20:55
Done.
| |
1983 WebScrollBoundaryBehavior( | |
1984 static_cast<ScrollBoundaryBehaviorType>(scroll_boundary_behavior_x), | |
1985 static_cast<ScrollBoundaryBehaviorType>( | |
1986 scroll_boundary_behavior_y))); | |
1987 } | |
1974 | 1988 |
1975 RefPtr<ComputedStyle> viewport_style = GetLayoutViewItem().MutableStyle(); | 1989 RefPtr<ComputedStyle> viewport_style = GetLayoutViewItem().MutableStyle(); |
1976 if (viewport_style->GetWritingMode() != root_writing_mode || | 1990 if (viewport_style->GetWritingMode() != root_writing_mode || |
1977 viewport_style->Direction() != root_direction || | 1991 viewport_style->Direction() != root_direction || |
1978 viewport_style->VisitedDependentColor(CSSPropertyBackgroundColor) != | 1992 viewport_style->VisitedDependentColor(CSSPropertyBackgroundColor) != |
1979 background_color || | 1993 background_color || |
1980 viewport_style->BackgroundLayers() != background_layers || | 1994 viewport_style->BackgroundLayers() != background_layers || |
1981 viewport_style->ImageRendering() != image_rendering || | 1995 viewport_style->ImageRendering() != image_rendering || |
1982 viewport_style->OverflowAnchor() != overflow_anchor || | 1996 viewport_style->OverflowAnchor() != overflow_anchor || |
1983 viewport_style->OverflowX() != overflow_x || | 1997 viewport_style->OverflowX() != overflow_x || |
1984 viewport_style->OverflowY() != overflow_y || | 1998 viewport_style->OverflowY() != overflow_y || |
1985 viewport_style->ColumnGap() != column_gap || | 1999 viewport_style->ColumnGap() != column_gap || |
1986 viewport_style->GetScrollSnapType() != snap_type) { | 2000 viewport_style->GetScrollSnapType() != snap_type || |
2001 viewport_style->ScrollBoundaryBehaviorX() != scroll_boundary_behavior_x || | |
2002 viewport_style->ScrollBoundaryBehaviorY() != scroll_boundary_behavior_y) { | |
1987 RefPtr<ComputedStyle> new_style = ComputedStyle::Clone(*viewport_style); | 2003 RefPtr<ComputedStyle> new_style = ComputedStyle::Clone(*viewport_style); |
1988 new_style->SetWritingMode(root_writing_mode); | 2004 new_style->SetWritingMode(root_writing_mode); |
1989 new_style->SetDirection(root_direction); | 2005 new_style->SetDirection(root_direction); |
1990 new_style->SetBackgroundColor(background_color); | 2006 new_style->SetBackgroundColor(background_color); |
1991 new_style->AccessBackgroundLayers() = background_layers; | 2007 new_style->AccessBackgroundLayers() = background_layers; |
1992 new_style->SetImageRendering(image_rendering); | 2008 new_style->SetImageRendering(image_rendering); |
1993 new_style->SetOverflowAnchor(overflow_anchor); | 2009 new_style->SetOverflowAnchor(overflow_anchor); |
1994 new_style->SetOverflowX(overflow_x); | 2010 new_style->SetOverflowX(overflow_x); |
1995 new_style->SetOverflowY(overflow_y); | 2011 new_style->SetOverflowY(overflow_y); |
1996 new_style->SetColumnGap(column_gap); | 2012 new_style->SetColumnGap(column_gap); |
1997 new_style->SetScrollSnapType(snap_type); | 2013 new_style->SetScrollSnapType(snap_type); |
2014 new_style->SetScrollBoundaryBehaviorX(scroll_boundary_behavior_x); | |
2015 new_style->SetScrollBoundaryBehaviorY(scroll_boundary_behavior_y); | |
1998 GetLayoutViewItem().SetStyle(new_style); | 2016 GetLayoutViewItem().SetStyle(new_style); |
1999 SetupFontBuilder(*new_style); | 2017 SetupFontBuilder(*new_style); |
2000 } | 2018 } |
2001 | 2019 |
2002 if (body) { | 2020 if (body) { |
2003 if (const ComputedStyle* style = body->GetComputedStyle()) { | 2021 if (const ComputedStyle* style = body->GetComputedStyle()) { |
2004 if (style->Direction() != root_direction || | 2022 if (style->Direction() != root_direction || |
2005 style->GetWritingMode() != root_writing_mode) | 2023 style->GetWritingMode() != root_writing_mode) |
2006 body->SetNeedsStyleRecalc(kSubtreeStyleChange, | 2024 body->SetNeedsStyleRecalc(kSubtreeStyleChange, |
2007 StyleChangeReasonForTracing::Create( | 2025 StyleChangeReasonForTracing::Create( |
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6968 } | 6986 } |
6969 | 6987 |
6970 void showLiveDocumentInstances() { | 6988 void showLiveDocumentInstances() { |
6971 WeakDocumentSet& set = liveDocumentSet(); | 6989 WeakDocumentSet& set = liveDocumentSet(); |
6972 fprintf(stderr, "There are %u documents currently alive:\n", set.size()); | 6990 fprintf(stderr, "There are %u documents currently alive:\n", set.size()); |
6973 for (blink::Document* document : set) | 6991 for (blink::Document* document : set) |
6974 fprintf(stderr, "- Document %p URL: %s\n", document, | 6992 fprintf(stderr, "- Document %p URL: %s\n", document, |
6975 document->Url().GetString().Utf8().data()); | 6993 document->Url().GetString().Utf8().data()); |
6976 } | 6994 } |
6977 #endif | 6995 #endif |
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