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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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196 #include "core/loader/NavigationScheduler.h" | 196 #include "core/loader/NavigationScheduler.h" |
197 #include "core/loader/PrerendererClient.h" | 197 #include "core/loader/PrerendererClient.h" |
198 #include "core/loader/appcache/ApplicationCacheHost.h" | 198 #include "core/loader/appcache/ApplicationCacheHost.h" |
199 #include "core/origin_trials/OriginTrials.h" | 199 #include "core/origin_trials/OriginTrials.h" |
200 #include "core/page/ChromeClient.h" | 200 #include "core/page/ChromeClient.h" |
201 #include "core/page/EventWithHitTestResults.h" | 201 #include "core/page/EventWithHitTestResults.h" |
202 #include "core/page/FocusController.h" | 202 #include "core/page/FocusController.h" |
203 #include "core/page/FrameTree.h" | 203 #include "core/page/FrameTree.h" |
204 #include "core/page/Page.h" | 204 #include "core/page/Page.h" |
205 #include "core/page/PointerLockController.h" | 205 #include "core/page/PointerLockController.h" |
206 #include "core/page/scrolling/OverscrollController.h" | |
206 #include "core/page/scrolling/RootScrollerController.h" | 207 #include "core/page/scrolling/RootScrollerController.h" |
207 #include "core/page/scrolling/ScrollStateCallback.h" | 208 #include "core/page/scrolling/ScrollStateCallback.h" |
208 #include "core/page/scrolling/ScrollingCoordinator.h" | 209 #include "core/page/scrolling/ScrollingCoordinator.h" |
209 #include "core/page/scrolling/SnapCoordinator.h" | 210 #include "core/page/scrolling/SnapCoordinator.h" |
210 #include "core/page/scrolling/TopDocumentRootScrollerController.h" | 211 #include "core/page/scrolling/TopDocumentRootScrollerController.h" |
211 #include "core/paint/compositing/PaintLayerCompositor.h" | 212 #include "core/paint/compositing/PaintLayerCompositor.h" |
212 #include "core/probe/CoreProbes.h" | 213 #include "core/probe/CoreProbes.h" |
213 #include "core/resize_observer/ResizeObserverController.h" | 214 #include "core/resize_observer/ResizeObserverController.h" |
214 #include "core/svg/SVGDocumentExtensions.h" | 215 #include "core/svg/SVGDocumentExtensions.h" |
215 #include "core/svg/SVGScriptElement.h" | 216 #include "core/svg/SVGScriptElement.h" |
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1943 overflow_y = EOverflow::kAuto; | 1944 overflow_y = EOverflow::kAuto; |
1944 if (overflow_anchor == EOverflowAnchor::kVisible) | 1945 if (overflow_anchor == EOverflowAnchor::kVisible) |
1945 overflow_anchor = EOverflowAnchor::kAuto; | 1946 overflow_anchor = EOverflowAnchor::kAuto; |
1946 // Column-gap is (ab)used by the current paged overflow implementation (in | 1947 // Column-gap is (ab)used by the current paged overflow implementation (in |
1947 // lack of other ways to specify gaps between pages), so we have to | 1948 // lack of other ways to specify gaps between pages), so we have to |
1948 // propagate it too. | 1949 // propagate it too. |
1949 column_gap = overflow_style->ColumnGap(); | 1950 column_gap = overflow_style->ColumnGap(); |
1950 } | 1951 } |
1951 | 1952 |
1952 ScrollSnapType snap_type = overflow_style->GetScrollSnapType(); | 1953 ScrollSnapType snap_type = overflow_style->GetScrollSnapType(); |
1954 EScrollBoundaryBehavior scroll_boundary_behavior_x = | |
1955 overflow_style->ScrollBoundaryBehaviorX(); | |
1956 EScrollBoundaryBehavior scroll_boundary_behavior_y = | |
1957 overflow_style->ScrollBoundaryBehaviorY(); | |
1958 using ScrollBoundaryBehaviorType = | |
1959 WebScrollBoundaryBehavior::ScrollBoundaryBehaviorType; | |
1960 if (RuntimeEnabledFeatures::CSSScrollBoundaryBehaviorEnabled() && | |
1961 IsInMainFrame()) { | |
1962 GetPage()->GetOverscrollController().SetScrollBoundaryBehavior( | |
1963 WebScrollBoundaryBehavior( | |
1964 static_cast<ScrollBoundaryBehaviorType>(scroll_boundary_behavior_x), | |
dtapuska
2017/08/22 14:51:04
Is there someone where asserting that the CSS cast
sunyunjia
2017/08/22 23:55:37
Yes see https://cs.chromium.org/chromium/src/third
| |
1965 static_cast<ScrollBoundaryBehaviorType>( | |
1966 scroll_boundary_behavior_y))); | |
1967 } | |
1953 | 1968 |
1954 RefPtr<ComputedStyle> viewport_style = GetLayoutViewItem().MutableStyle(); | 1969 RefPtr<ComputedStyle> viewport_style = GetLayoutViewItem().MutableStyle(); |
1955 if (viewport_style->GetWritingMode() != root_writing_mode || | 1970 if (viewport_style->GetWritingMode() != root_writing_mode || |
1956 viewport_style->Direction() != root_direction || | 1971 viewport_style->Direction() != root_direction || |
1957 viewport_style->VisitedDependentColor(CSSPropertyBackgroundColor) != | 1972 viewport_style->VisitedDependentColor(CSSPropertyBackgroundColor) != |
1958 background_color || | 1973 background_color || |
1959 viewport_style->BackgroundLayers() != background_layers || | 1974 viewport_style->BackgroundLayers() != background_layers || |
1960 viewport_style->ImageRendering() != image_rendering || | 1975 viewport_style->ImageRendering() != image_rendering || |
1961 viewport_style->OverflowAnchor() != overflow_anchor || | 1976 viewport_style->OverflowAnchor() != overflow_anchor || |
1962 viewport_style->OverflowX() != overflow_x || | 1977 viewport_style->OverflowX() != overflow_x || |
1963 viewport_style->OverflowY() != overflow_y || | 1978 viewport_style->OverflowY() != overflow_y || |
1964 viewport_style->ColumnGap() != column_gap || | 1979 viewport_style->ColumnGap() != column_gap || |
1965 viewport_style->GetScrollSnapType() != snap_type) { | 1980 viewport_style->GetScrollSnapType() != snap_type || |
1981 viewport_style->ScrollBoundaryBehaviorX() != scroll_boundary_behavior_x || | |
1982 viewport_style->ScrollBoundaryBehaviorY() != scroll_boundary_behavior_y) { | |
1966 RefPtr<ComputedStyle> new_style = ComputedStyle::Clone(*viewport_style); | 1983 RefPtr<ComputedStyle> new_style = ComputedStyle::Clone(*viewport_style); |
1967 new_style->SetWritingMode(root_writing_mode); | 1984 new_style->SetWritingMode(root_writing_mode); |
1968 new_style->SetDirection(root_direction); | 1985 new_style->SetDirection(root_direction); |
1969 new_style->SetBackgroundColor(background_color); | 1986 new_style->SetBackgroundColor(background_color); |
1970 new_style->AccessBackgroundLayers() = background_layers; | 1987 new_style->AccessBackgroundLayers() = background_layers; |
1971 new_style->SetImageRendering(image_rendering); | 1988 new_style->SetImageRendering(image_rendering); |
1972 new_style->SetOverflowAnchor(overflow_anchor); | 1989 new_style->SetOverflowAnchor(overflow_anchor); |
1973 new_style->SetOverflowX(overflow_x); | 1990 new_style->SetOverflowX(overflow_x); |
1974 new_style->SetOverflowY(overflow_y); | 1991 new_style->SetOverflowY(overflow_y); |
1975 new_style->SetColumnGap(column_gap); | 1992 new_style->SetColumnGap(column_gap); |
1976 new_style->SetScrollSnapType(snap_type); | 1993 new_style->SetScrollSnapType(snap_type); |
1994 new_style->SetScrollBoundaryBehaviorX(scroll_boundary_behavior_x); | |
1995 new_style->SetScrollBoundaryBehaviorY(scroll_boundary_behavior_y); | |
1977 GetLayoutViewItem().SetStyle(new_style); | 1996 GetLayoutViewItem().SetStyle(new_style); |
1978 SetupFontBuilder(*new_style); | 1997 SetupFontBuilder(*new_style); |
1979 } | 1998 } |
1980 } | 1999 } |
1981 | 2000 |
1982 #if DCHECK_IS_ON() | 2001 #if DCHECK_IS_ON() |
1983 static void AssertLayoutTreeUpdated(Node& root) { | 2002 static void AssertLayoutTreeUpdated(Node& root) { |
1984 for (Node& node : NodeTraversal::InclusiveDescendantsOf(root)) { | 2003 for (Node& node : NodeTraversal::InclusiveDescendantsOf(root)) { |
1985 // We leave some nodes with dirty bits in the tree because they don't | 2004 // We leave some nodes with dirty bits in the tree because they don't |
1986 // matter like Comment and ProcessingInstruction nodes. | 2005 // matter like Comment and ProcessingInstruction nodes. |
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6966 } | 6985 } |
6967 | 6986 |
6968 void showLiveDocumentInstances() { | 6987 void showLiveDocumentInstances() { |
6969 WeakDocumentSet& set = liveDocumentSet(); | 6988 WeakDocumentSet& set = liveDocumentSet(); |
6970 fprintf(stderr, "There are %u documents currently alive:\n", set.size()); | 6989 fprintf(stderr, "There are %u documents currently alive:\n", set.size()); |
6971 for (blink::Document* document : set) | 6990 for (blink::Document* document : set) |
6972 fprintf(stderr, "- Document %p URL: %s\n", document, | 6991 fprintf(stderr, "- Document %p URL: %s\n", document, |
6973 document->Url().GetString().Utf8().data()); | 6992 document->Url().GetString().Utf8().data()); |
6974 } | 6993 } |
6975 #endif | 6994 #endif |
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