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1 /* | 1 /* |
2 * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org> | 2 * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org> |
3 * 1999 Lars Knoll <knoll@kde.org> | 3 * 1999 Lars Knoll <knoll@kde.org> |
4 * 1999 Antti Koivisto <koivisto@kde.org> | 4 * 1999 Antti Koivisto <koivisto@kde.org> |
5 * 2000 Dirk Mueller <mueller@kde.org> | 5 * 2000 Dirk Mueller <mueller@kde.org> |
6 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | 6 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
7 * (C) 2006 Graham Dennis (graham.dennis@gmail.com) | 7 * (C) 2006 Graham Dennis (graham.dennis@gmail.com) |
8 * (C) 2006 Alexey Proskuryakov (ap@nypop.com) | 8 * (C) 2006 Alexey Proskuryakov (ap@nypop.com) |
9 * Copyright (C) 2009 Google Inc. All rights reserved. | 9 * Copyright (C) 2009 Google Inc. All rights reserved. |
10 * | 10 * |
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25 */ | 25 */ |
26 | 26 |
27 #include "core/frame/FrameView.h" | 27 #include "core/frame/FrameView.h" |
28 | 28 |
29 #include "core/HTMLNames.h" | 29 #include "core/HTMLNames.h" |
30 #include "core/MediaTypeNames.h" | 30 #include "core/MediaTypeNames.h" |
31 #include "core/css/FontFaceSet.h" | 31 #include "core/css/FontFaceSet.h" |
32 #include "core/css/resolver/StyleResolver.h" | 32 #include "core/css/resolver/StyleResolver.h" |
33 #include "core/dom/AXObjectCache.h" | 33 #include "core/dom/AXObjectCache.h" |
34 #include "core/dom/Fullscreen.h" | 34 #include "core/dom/Fullscreen.h" |
| 35 #include "core/dom/IntersectionObserverController.h" |
35 #include "core/editing/EditingUtilities.h" | 36 #include "core/editing/EditingUtilities.h" |
36 #include "core/editing/FrameSelection.h" | 37 #include "core/editing/FrameSelection.h" |
37 #include "core/editing/RenderedPosition.h" | 38 #include "core/editing/RenderedPosition.h" |
38 #include "core/editing/markers/DocumentMarkerController.h" | 39 #include "core/editing/markers/DocumentMarkerController.h" |
39 #include "core/fetch/ResourceFetcher.h" | 40 #include "core/fetch/ResourceFetcher.h" |
40 #include "core/frame/FrameHost.h" | 41 #include "core/frame/FrameHost.h" |
41 #include "core/frame/LocalFrame.h" | 42 #include "core/frame/LocalFrame.h" |
42 #include "core/frame/Settings.h" | 43 #include "core/frame/Settings.h" |
43 #include "core/html/HTMLFrameElement.h" | 44 #include "core/html/HTMLFrameElement.h" |
44 #include "core/html/HTMLPlugInElement.h" | 45 #include "core/html/HTMLPlugInElement.h" |
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113 static bool s_initialTrackAllPaintInvalidations = false; | 114 static bool s_initialTrackAllPaintInvalidations = false; |
114 | 115 |
115 FrameView::FrameView(LocalFrame* frame) | 116 FrameView::FrameView(LocalFrame* frame) |
116 : m_frame(frame) | 117 : m_frame(frame) |
117 , m_displayMode(WebDisplayModeBrowser) | 118 , m_displayMode(WebDisplayModeBrowser) |
118 , m_canHaveScrollbars(true) | 119 , m_canHaveScrollbars(true) |
119 , m_hasPendingLayout(false) | 120 , m_hasPendingLayout(false) |
120 , m_inSynchronousPostLayout(false) | 121 , m_inSynchronousPostLayout(false) |
121 , m_postLayoutTasksTimer(this, &FrameView::postLayoutTimerFired) | 122 , m_postLayoutTasksTimer(this, &FrameView::postLayoutTimerFired) |
122 , m_updateWidgetsTimer(this, &FrameView::updateWidgetsTimerFired) | 123 , m_updateWidgetsTimer(this, &FrameView::updateWidgetsTimerFired) |
123 , m_intersectionObserverNotificationFactory(CancellableTaskFactory::create(t
his, &FrameView::notifyIntersectionObservers)) | 124 , m_renderThrottlingObserverNotificationFactory(CancellableTaskFactory::crea
te(this, &FrameView::notifyRenderThrottlingObservers)) |
124 , m_isTransparent(false) | 125 , m_isTransparent(false) |
125 , m_baseBackgroundColor(Color::white) | 126 , m_baseBackgroundColor(Color::white) |
126 , m_mediaType(MediaTypeNames::screen) | 127 , m_mediaType(MediaTypeNames::screen) |
127 , m_safeToPropagateScrollToParent(true) | 128 , m_safeToPropagateScrollToParent(true) |
128 , m_isTrackingPaintInvalidations(false) | 129 , m_isTrackingPaintInvalidations(false) |
129 , m_scrollCorner(nullptr) | 130 , m_scrollCorner(nullptr) |
130 , m_inputEventsScaleFactorForEmulation(1) | 131 , m_inputEventsScaleFactorForEmulation(1) |
131 , m_layoutSizeFixedToFrameSize(true) | 132 , m_layoutSizeFixedToFrameSize(true) |
132 , m_didScrollTimer(this, &FrameView::didScrollTimerFired) | 133 , m_didScrollTimer(this, &FrameView::didScrollTimerFired) |
133 , m_topControlsViewportAdjustment(0) | 134 , m_topControlsViewportAdjustment(0) |
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278 | 279 |
279 // Destroy |m_autoSizeInfo| as early as possible, to avoid dereferencing | 280 // Destroy |m_autoSizeInfo| as early as possible, to avoid dereferencing |
280 // partially destroyed |this| via |m_autoSizeInfo->m_frameView|. | 281 // partially destroyed |this| via |m_autoSizeInfo->m_frameView|. |
281 m_autoSizeInfo.clear(); | 282 m_autoSizeInfo.clear(); |
282 | 283 |
283 if (m_postLayoutTasksTimer.isActive()) | 284 if (m_postLayoutTasksTimer.isActive()) |
284 m_postLayoutTasksTimer.stop(); | 285 m_postLayoutTasksTimer.stop(); |
285 | 286 |
286 if (m_didScrollTimer.isActive()) | 287 if (m_didScrollTimer.isActive()) |
287 m_didScrollTimer.stop(); | 288 m_didScrollTimer.stop(); |
288 m_intersectionObserverNotificationFactory->cancel(); | 289 m_renderThrottlingObserverNotificationFactory->cancel(); |
289 | 290 |
290 // FIXME: Do we need to do something here for OOPI? | 291 // FIXME: Do we need to do something here for OOPI? |
291 HTMLFrameOwnerElement* ownerElement = m_frame->deprecatedLocalOwner(); | 292 HTMLFrameOwnerElement* ownerElement = m_frame->deprecatedLocalOwner(); |
292 // TODO(dcheng): It seems buggy that we can have an owner element that | 293 // TODO(dcheng): It seems buggy that we can have an owner element that |
293 // points to another Widget. | 294 // points to another Widget. |
294 if (ownerElement && ownerElement->ownedWidget() == this) | 295 if (ownerElement && ownerElement->ownedWidget() == this) |
295 ownerElement->setWidget(nullptr); | 296 ownerElement->setWidget(nullptr); |
296 | 297 |
297 #if ENABLE(ASSERT) | 298 #if ENABLE(ASSERT) |
298 m_hasBeenDisposed = true; | 299 m_hasBeenDisposed = true; |
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2371 // Otherwise the lifecycles of the frames might be out of sync. | 2372 // Otherwise the lifecycles of the frames might be out of sync. |
2372 ASSERT(m_frame->isLocalRoot()); | 2373 ASSERT(m_frame->isLocalRoot()); |
2373 | 2374 |
2374 // Updating layout can run script, which can tear down the FrameView. | 2375 // Updating layout can run script, which can tear down the FrameView. |
2375 RefPtrWillBeRawPtr<FrameView> protector(this); | 2376 RefPtrWillBeRawPtr<FrameView> protector(this); |
2376 | 2377 |
2377 updateStyleAndLayoutIfNeededRecursive(); | 2378 updateStyleAndLayoutIfNeededRecursive(); |
2378 ASSERT(lifecycle().state() >= DocumentLifecycle::LayoutClean); | 2379 ASSERT(lifecycle().state() >= DocumentLifecycle::LayoutClean); |
2379 | 2380 |
2380 if (phases == OnlyUpToLayoutClean) { | 2381 if (phases == OnlyUpToLayoutClean) { |
2381 updateViewportIntersectionsForSubtree(); | 2382 updateViewportIntersectionsForSubtree(phases); |
2382 return; | 2383 return; |
2383 } | 2384 } |
2384 | 2385 |
2385 if (LayoutView* view = layoutView()) { | 2386 if (LayoutView* view = layoutView()) { |
2386 { | 2387 { |
2387 TRACE_EVENT1("devtools.timeline", "UpdateLayerTree", "data", Inspect
orUpdateLayerTreeEvent::data(m_frame.get())); | 2388 TRACE_EVENT1("devtools.timeline", "UpdateLayerTree", "data", Inspect
orUpdateLayerTreeEvent::data(m_frame.get())); |
2388 | 2389 |
2389 // This was required for slimming paint v1 but is only temporarily | 2390 // This was required for slimming paint v1 but is only temporarily |
2390 // needed for slimming paint v2. | 2391 // needed for slimming paint v2. |
2391 view->compositor()->updateIfNeededRecursive(); | 2392 view->compositor()->updateIfNeededRecursive(); |
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2415 | 2416 |
2416 if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) | 2417 if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) |
2417 pushPaintArtifactToCompositor(); | 2418 pushPaintArtifactToCompositor(); |
2418 | 2419 |
2419 ASSERT(!view->hasPendingSelection()); | 2420 ASSERT(!view->hasPendingSelection()); |
2420 ASSERT(lifecycle().state() == DocumentLifecycle::PaintInvalidationCl
ean | 2421 ASSERT(lifecycle().state() == DocumentLifecycle::PaintInvalidationCl
ean |
2421 || (RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEna
bled() && lifecycle().state() == DocumentLifecycle::PaintClean)); | 2422 || (RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEna
bled() && lifecycle().state() == DocumentLifecycle::PaintClean)); |
2422 } | 2423 } |
2423 } | 2424 } |
2424 | 2425 |
2425 updateViewportIntersectionsForSubtree(); | 2426 updateViewportIntersectionsForSubtree(phases); |
2426 } | 2427 } |
2427 | 2428 |
2428 void FrameView::updatePaintProperties() | 2429 void FrameView::updatePaintProperties() |
2429 { | 2430 { |
2430 ASSERT(RuntimeEnabledFeatures::slimmingPaintV2Enabled()); | 2431 ASSERT(RuntimeEnabledFeatures::slimmingPaintV2Enabled()); |
2431 | 2432 |
2432 forAllNonThrottledFrameViews([](FrameView& frameView) { frameView.lifecycle(
).advanceTo(DocumentLifecycle::InUpdatePaintProperties); }); | 2433 forAllNonThrottledFrameViews([](FrameView& frameView) { frameView.lifecycle(
).advanceTo(DocumentLifecycle::InUpdatePaintProperties); }); |
2433 PaintPropertyTreeBuilder().buildPropertyTrees(*this); | 2434 PaintPropertyTreeBuilder().buildPropertyTrees(*this); |
2434 forAllNonThrottledFrameViews([](FrameView& frameView) { frameView.lifecycle(
).advanceTo(DocumentLifecycle::UpdatePaintPropertiesClean); }); | 2435 forAllNonThrottledFrameViews([](FrameView& frameView) { frameView.lifecycle(
).advanceTo(DocumentLifecycle::UpdatePaintPropertiesClean); }); |
2435 } | 2436 } |
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3912 | 3913 |
3913 void FrameView::setNeedsUpdateViewportIntersection() | 3914 void FrameView::setNeedsUpdateViewportIntersection() |
3914 { | 3915 { |
3915 m_needsUpdateViewportIntersection = true; | 3916 m_needsUpdateViewportIntersection = true; |
3916 for (FrameView* parent = parentFrameView(); parent; parent = parent->parentF
rameView()) | 3917 for (FrameView* parent = parentFrameView(); parent; parent = parent->parentF
rameView()) |
3917 parent->m_needsUpdateViewportIntersectionInSubtree = true; | 3918 parent->m_needsUpdateViewportIntersectionInSubtree = true; |
3918 } | 3919 } |
3919 | 3920 |
3920 void FrameView::updateViewportIntersectionIfNeeded() | 3921 void FrameView::updateViewportIntersectionIfNeeded() |
3921 { | 3922 { |
3922 // TODO(skyostil): Replace this with a real intersection observer. | |
3923 if (!m_needsUpdateViewportIntersection) | 3923 if (!m_needsUpdateViewportIntersection) |
3924 return; | 3924 return; |
3925 m_needsUpdateViewportIntersection = false; | 3925 m_needsUpdateViewportIntersection = false; |
3926 m_viewportIntersectionValid = true; | 3926 m_viewportIntersectionValid = true; |
3927 | |
3928 FrameView* parent = parentFrameView(); | 3927 FrameView* parent = parentFrameView(); |
3929 if (!parent) { | 3928 if (!parent) { |
3930 m_viewportIntersection = frameRect(); | 3929 m_viewportIntersection = frameRect(); |
3931 return; | 3930 return; |
3932 } | 3931 } |
3933 ASSERT(!parent->m_needsUpdateViewportIntersection); | 3932 ASSERT(!parent->m_needsUpdateViewportIntersection); |
3934 | 3933 |
3935 // If our parent is hidden, then we are too. | 3934 // If our parent is hidden, then we are too. |
3936 if (parent->m_viewportIntersection.isEmpty()) { | 3935 if (parent->m_viewportIntersection.isEmpty()) { |
3937 m_viewportIntersection = parent->m_viewportIntersection; | 3936 m_viewportIntersection = parent->m_viewportIntersection; |
3938 return; | 3937 return; |
3939 } | 3938 } |
3940 | 3939 |
3941 // Transform our bounds into the root frame's content coordinate space, | 3940 // Transform our bounds into the root frame's content coordinate space, |
3942 // making sure we have valid layout data in our parent document. If our | 3941 // making sure we have valid layout data in our parent document. If our |
3943 // parent is throttled, we'll use possible stale layout information and | 3942 // parent is throttled, we'll use possible stale layout information and |
3944 // rely on the fact that another lifecycle update will be scheduled once | 3943 // rely on the fact that another lifecycle update will be scheduled once |
3945 // our parent becomes unthrottled. | 3944 // our parent becomes unthrottled. |
3946 ASSERT(parent->lifecycle().state() >= DocumentLifecycle::LayoutClean || pare
nt->shouldThrottleRendering()); | 3945 ASSERT(parent->lifecycle().state() >= DocumentLifecycle::LayoutClean || pare
nt->shouldThrottleRendering()); |
3947 m_viewportIntersection = parent->contentsToRootFrame(frameRect()); | 3946 m_viewportIntersection = parent->contentsToRootFrame(frameRect()); |
3948 | 3947 |
3949 // TODO(skyostil): Expand the viewport to make it less likely to see stale c
ontent while scrolling. | 3948 // TODO(skyostil): Expand the viewport to make it less likely to see stale c
ontent while scrolling. |
3950 IntRect viewport = parent->m_viewportIntersection; | 3949 IntRect viewport = parent->m_viewportIntersection; |
3951 m_viewportIntersection.intersect(viewport); | 3950 m_viewportIntersection.intersect(viewport); |
3952 } | 3951 } |
3953 | 3952 |
3954 void FrameView::updateViewportIntersectionsForSubtree() | 3953 void FrameView::updateViewportIntersectionsForSubtree(LifeCycleUpdateOption phas
es) |
3955 { | 3954 { |
3956 bool hadValidIntersection = m_viewportIntersectionValid; | 3955 bool hadValidIntersection = m_viewportIntersectionValid; |
3957 bool hadEmptyIntersection = m_viewportIntersection.isEmpty(); | 3956 bool hadEmptyIntersection = m_viewportIntersection.isEmpty(); |
3958 updateViewportIntersectionIfNeeded(); | 3957 updateViewportIntersectionIfNeeded(); |
| 3958 |
| 3959 // Notify javascript IntersectionObservers |
| 3960 if (phases == AllPhases) |
| 3961 frame().document()->ensureIntersectionObserverController().computeTracke
dIntersectionObservations(); |
| 3962 |
| 3963 // Adjust render throttling for iframes based on visibility |
3959 bool shouldNotify = !hadValidIntersection || hadEmptyIntersection != m_viewp
ortIntersection.isEmpty(); | 3964 bool shouldNotify = !hadValidIntersection || hadEmptyIntersection != m_viewp
ortIntersection.isEmpty(); |
3960 if (shouldNotify && !m_intersectionObserverNotificationFactory->isPending()) | 3965 if (shouldNotify && !m_renderThrottlingObserverNotificationFactory->isPendin
g()) |
3961 m_frame->frameScheduler()->timerTaskRunner()->postTask(BLINK_FROM_HERE,
m_intersectionObserverNotificationFactory->cancelAndCreate()); | 3966 m_frame->frameScheduler()->timerTaskRunner()->postTask(BLINK_FROM_HERE,
m_renderThrottlingObserverNotificationFactory->cancelAndCreate()); |
3962 | 3967 |
3963 if (!m_needsUpdateViewportIntersectionInSubtree) | 3968 if (!m_needsUpdateViewportIntersectionInSubtree) |
3964 return; | 3969 return; |
3965 m_needsUpdateViewportIntersectionInSubtree = false; | 3970 m_needsUpdateViewportIntersectionInSubtree = false; |
3966 | 3971 |
3967 for (Frame* child = m_frame->tree().firstChild(); child; child = child->tree
().nextSibling()) { | 3972 for (Frame* child = m_frame->tree().firstChild(); child; child = child->tree
().nextSibling()) { |
3968 if (!child->isLocalFrame()) | 3973 if (!child->isLocalFrame()) |
3969 continue; | 3974 continue; |
3970 if (FrameView* view = toLocalFrame(child)->view()) | 3975 if (FrameView* view = toLocalFrame(child)->view()) |
3971 view->updateViewportIntersectionsForSubtree(); | 3976 view->updateViewportIntersectionsForSubtree(phases); |
3972 } | 3977 } |
3973 } | 3978 } |
3974 | 3979 |
3975 void FrameView::notifyIntersectionObservers() | 3980 void FrameView::notifyRenderThrottlingObservers() |
3976 { | 3981 { |
3977 TRACE_EVENT0("blink", "FrameView::notifyIntersectionObservers"); | 3982 TRACE_EVENT0("blink", "FrameView::notifyRenderThrottlingObservers"); |
3978 ASSERT(!isInPerformLayout()); | 3983 ASSERT(!isInPerformLayout()); |
3979 ASSERT(!m_frame->document()->inStyleRecalc()); | 3984 ASSERT(!m_frame->document()->inStyleRecalc()); |
3980 bool wasThrottled = canThrottleRendering(); | 3985 bool wasThrottled = canThrottleRendering(); |
3981 | 3986 |
3982 // Only offscreen frames can be throttled. | 3987 // Only offscreen frames can be throttled. |
3983 m_hiddenForThrottling = m_viewportIntersectionValid && m_viewportIntersectio
n.isEmpty(); | 3988 m_hiddenForThrottling = m_viewportIntersectionValid && m_viewportIntersectio
n.isEmpty(); |
3984 | 3989 |
3985 // We only throttle the rendering pipeline in cross-origin frames. This is | 3990 // We only throttle the rendering pipeline in cross-origin frames. This is |
3986 // to avoid a situation where an ancestor frame directly depends on the | 3991 // to avoid a situation where an ancestor frame directly depends on the |
3987 // pipeline timing of a descendant and breaks as a result of throttling. | 3992 // pipeline timing of a descendant and breaks as a result of throttling. |
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4017 return m_hiddenForThrottling && m_crossOriginForThrottling; | 4022 return m_hiddenForThrottling && m_crossOriginForThrottling; |
4018 } | 4023 } |
4019 | 4024 |
4020 LayoutBox& FrameView::boxForScrollControlPaintInvalidation() const | 4025 LayoutBox& FrameView::boxForScrollControlPaintInvalidation() const |
4021 { | 4026 { |
4022 ASSERT(layoutView()); | 4027 ASSERT(layoutView()); |
4023 return *layoutView(); | 4028 return *layoutView(); |
4024 } | 4029 } |
4025 | 4030 |
4026 } // namespace blink | 4031 } // namespace blink |
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