| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 * Copyright (C) 2006 Apple Computer, Inc. | 3 * Copyright (C) 2006 Apple Computer, Inc. |
| 4 * | 4 * |
| 5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
| 6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
| 7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
| 8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
| 9 * | 9 * |
| 10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
| (...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 57 // | 57 // |
| 58 // Because there is one LayoutView per rooted layout tree (or Frame), this class | 58 // Because there is one LayoutView per rooted layout tree (or Frame), this class |
| 59 // is used to add members shared by this tree (e.g. m_layoutState or | 59 // is used to add members shared by this tree (e.g. m_layoutState or |
| 60 // m_layoutQuoteHead). | 60 // m_layoutQuoteHead). |
| 61 class CORE_EXPORT LayoutView final : public LayoutBlockFlow { | 61 class CORE_EXPORT LayoutView final : public LayoutBlockFlow { |
| 62 public: | 62 public: |
| 63 explicit LayoutView(Document*); | 63 explicit LayoutView(Document*); |
| 64 ~LayoutView() override; | 64 ~LayoutView() override; |
| 65 void willBeDestroyed() override; | 65 void willBeDestroyed() override; |
| 66 | 66 |
| 67 // hitTest() will update layout, style and compositing first while hitTestNoLi
fecycleUpdate() does not. | 67 // hitTest() will update layout, style and compositing first while |
| 68 // hitTestNoLifecycleUpdate() does not. |
| 68 bool hitTest(HitTestResult&); | 69 bool hitTest(HitTestResult&); |
| 69 bool hitTestNoLifecycleUpdate(HitTestResult&); | 70 bool hitTestNoLifecycleUpdate(HitTestResult&); |
| 70 | 71 |
| 71 // Returns the total count of calls to HitTest, for testing. | 72 // Returns the total count of calls to HitTest, for testing. |
| 72 unsigned hitTestCount() const { return m_hitTestCount; } | 73 unsigned hitTestCount() const { return m_hitTestCount; } |
| 73 unsigned hitTestCacheHits() const { return m_hitTestCacheHits; } | 74 unsigned hitTestCacheHits() const { return m_hitTestCacheHits; } |
| 74 | 75 |
| 75 void clearHitTestCache(); | 76 void clearHitTestCache(); |
| 76 | 77 |
| 77 const char* name() const override { return "LayoutView"; } | 78 const char* name() const override { return "LayoutView"; } |
| (...skipping 100 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 178 // Notification that this view moved into or out of a native window. | 179 // Notification that this view moved into or out of a native window. |
| 179 void setIsInWindow(bool); | 180 void setIsInWindow(bool); |
| 180 | 181 |
| 181 PaintLayerCompositor* compositor(); | 182 PaintLayerCompositor* compositor(); |
| 182 bool usesCompositing() const; | 183 bool usesCompositing() const; |
| 183 | 184 |
| 184 LayoutRect backgroundRect(LayoutBox* backgroundLayoutObject) const; | 185 LayoutRect backgroundRect(LayoutBox* backgroundLayoutObject) const; |
| 185 | 186 |
| 186 IntRect documentRect() const; | 187 IntRect documentRect() const; |
| 187 | 188 |
| 188 // LayoutObject that paints the root background has background-images which al
l have background-attachment: fixed. | 189 // LayoutObject that paints the root background has background-images which |
| 190 // all have background-attachment: fixed. |
| 189 bool rootBackgroundIsEntirelyFixed() const; | 191 bool rootBackgroundIsEntirelyFixed() const; |
| 190 | 192 |
| 191 IntervalArena* intervalArena(); | 193 IntervalArena* intervalArena(); |
| 192 | 194 |
| 193 void setLayoutQuoteHead(LayoutQuote* head) { m_layoutQuoteHead = head; } | 195 void setLayoutQuoteHead(LayoutQuote* head) { m_layoutQuoteHead = head; } |
| 194 LayoutQuote* layoutQuoteHead() const { return m_layoutQuoteHead; } | 196 LayoutQuote* layoutQuoteHead() const { return m_layoutQuoteHead; } |
| 195 | 197 |
| 196 // FIXME: This is a work around because the current implementation of counters | 198 // FIXME: This is a work around because the current implementation of counters |
| 197 // requires walking the entire tree repeatedly and most pages don't actually u
se either | 199 // requires walking the entire tree repeatedly and most pages don't actually |
| 198 // feature so we shouldn't take the performance hit when not needed. Long term
we should | 200 // use either feature so we shouldn't take the performance hit when not |
| 199 // rewrite the counter and quotes code. | 201 // needed. Long term we should rewrite the counter and quotes code. |
| 200 void addLayoutCounter() { m_layoutCounterCount++; } | 202 void addLayoutCounter() { m_layoutCounterCount++; } |
| 201 void removeLayoutCounter() { | 203 void removeLayoutCounter() { |
| 202 ASSERT(m_layoutCounterCount > 0); | 204 ASSERT(m_layoutCounterCount > 0); |
| 203 m_layoutCounterCount--; | 205 m_layoutCounterCount--; |
| 204 } | 206 } |
| 205 bool hasLayoutCounters() { return m_layoutCounterCount; } | 207 bool hasLayoutCounters() { return m_layoutCounterCount; } |
| 206 | 208 |
| 207 bool backgroundIsKnownToBeOpaqueInRect( | 209 bool backgroundIsKnownToBeOpaqueInRect( |
| 208 const LayoutRect& localRect) const override; | 210 const LayoutRect& localRect) const override; |
| 209 | 211 |
| 210 // Returns the viewport size in (CSS pixels) that vh and vw units are calculat
ed from. | 212 // Returns the viewport size in (CSS pixels) that vh and vw units are |
| 213 // calculated from. |
| 211 FloatSize viewportSizeForViewportUnits() const; | 214 FloatSize viewportSizeForViewportUnits() const; |
| 212 | 215 |
| 213 void pushLayoutState(LayoutState& layoutState) { | 216 void pushLayoutState(LayoutState& layoutState) { |
| 214 m_layoutState = &layoutState; | 217 m_layoutState = &layoutState; |
| 215 } | 218 } |
| 216 void popLayoutState() { | 219 void popLayoutState() { |
| 217 ASSERT(m_layoutState); | 220 ASSERT(m_layoutState); |
| 218 m_layoutState = m_layoutState->next(); | 221 m_layoutState = m_layoutState->next(); |
| 219 } | 222 } |
| 220 | 223 |
| 221 LayoutRect visualOverflowRect() const override; | 224 LayoutRect visualOverflowRect() const override; |
| 222 LayoutRect localOverflowRectForPaintInvalidation() const override; | 225 LayoutRect localOverflowRectForPaintInvalidation() const override; |
| 223 | 226 |
| 224 // Invalidates paint for the entire view, including composited descendants, bu
t not including child frames. | 227 // Invalidates paint for the entire view, including composited descendants, |
| 228 // but not including child frames. |
| 225 // It is very likely you do not want to call this method. | 229 // It is very likely you do not want to call this method. |
| 226 void setShouldDoFullPaintInvalidationForViewAndAllDescendants(); | 230 void setShouldDoFullPaintInvalidationForViewAndAllDescendants(); |
| 227 | 231 |
| 228 // The document scrollbar is always on the right, even in RTL. This is to prev
ent it from moving around on navigations. | 232 // The document scrollbar is always on the right, even in RTL. This is to |
| 229 // TODO(skobes): This is not quite the ideal behavior, see http://crbug.com/25
0514 and http://crbug.com/249860. | 233 // prevent it from moving around on navigations. |
| 234 // TODO(skobes): This is not quite the ideal behavior, see |
| 235 // http://crbug.com/250514 and http://crbug.com/249860. |
| 230 bool shouldPlaceBlockDirectionScrollbarOnLogicalLeft() const override { | 236 bool shouldPlaceBlockDirectionScrollbarOnLogicalLeft() const override { |
| 231 return false; | 237 return false; |
| 232 } | 238 } |
| 233 | 239 |
| 234 // Some LayoutMedias want to know about their viewport visibility for | 240 // Some LayoutMedias want to know about their viewport visibility for |
| 235 // crbug.com/487345,402044 . This facility will be removed once those | 241 // crbug.com/487345,402044 . This facility will be removed once those |
| 236 // experiments complete. | 242 // experiments complete. |
| 237 // TODO(ojan): Merge this with IntersectionObserver once it lands. | 243 // TODO(ojan): Merge this with IntersectionObserver once it lands. |
| 238 void registerMediaForPositionChangeNotification(LayoutMedia&); | 244 void registerMediaForPositionChangeNotification(LayoutMedia&); |
| 239 void unregisterMediaForPositionChangeNotification(LayoutMedia&); | 245 void unregisterMediaForPositionChangeNotification(LayoutMedia&); |
| (...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 322 Persistent<HitTestCache> m_hitTestCache; | 328 Persistent<HitTestCache> m_hitTestCache; |
| 323 | 329 |
| 324 Vector<LayoutMedia*> m_mediaForPositionNotification; | 330 Vector<LayoutMedia*> m_mediaForPositionNotification; |
| 325 }; | 331 }; |
| 326 | 332 |
| 327 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutView, isLayoutView()); | 333 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutView, isLayoutView()); |
| 328 | 334 |
| 329 } // namespace blink | 335 } // namespace blink |
| 330 | 336 |
| 331 #endif // LayoutView_h | 337 #endif // LayoutView_h |
| OLD | NEW |