| /* |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #include "platform/graphics/GraphicsLayer.h" |
| |
| #include "SkImageFilter.h" |
| #include "SkMatrix44.h" |
| #include "platform/geometry/FloatRect.h" |
| #include "platform/geometry/LayoutRect.h" |
| #include "platform/graphics/GraphicsLayerFactory.h" |
| #include "platform/graphics/Image.h" |
| #include "platform/graphics/filters/SkiaImageFilterBuilder.h" |
| #include "platform/graphics/skia/NativeImageSkia.h" |
| #include "platform/scroll/ScrollableArea.h" |
| #include "platform/text/TextStream.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebAnimation.h" |
| #include "public/platform/WebCompositorSupport.h" |
| #include "public/platform/WebFilterOperations.h" |
| #include "public/platform/WebFloatPoint.h" |
| #include "public/platform/WebFloatRect.h" |
| #include "public/platform/WebGraphicsLayerDebugInfo.h" |
| #include "public/platform/WebLayer.h" |
| #include "public/platform/WebPoint.h" |
| #include "public/platform/WebSize.h" |
| #include "wtf/CurrentTime.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/HashSet.h" |
| #include "wtf/text/WTFString.h" |
| |
| #include <algorithm> |
| |
| #ifndef NDEBUG |
| #include <stdio.h> |
| #endif |
| |
| namespace blink { |
| |
| typedef HashMap<const GraphicsLayer*, Vector<FloatRect> > RepaintMap; |
| static RepaintMap& repaintRectMap() |
| { |
| DEFINE_STATIC_LOCAL(RepaintMap, map, ()); |
| return map; |
| } |
| |
| PassOwnPtr<GraphicsLayer> GraphicsLayer::create(GraphicsLayerFactory* factory, GraphicsLayerClient* client) |
| { |
| return factory->createGraphicsLayer(client); |
| } |
| |
| GraphicsLayer::GraphicsLayer(GraphicsLayerClient* client) |
| : m_client(client) |
| , m_backgroundColor(Color::transparent) |
| , m_opacity(1) |
| , m_blendMode(WebBlendModeNormal) |
| , m_hasTransformOrigin(false) |
| , m_contentsOpaque(false) |
| , m_shouldFlattenTransform(true) |
| , m_backfaceVisibility(true) |
| , m_masksToBounds(false) |
| , m_drawsContent(false) |
| , m_contentsVisible(true) |
| , m_isRootForIsolatedGroup(false) |
| , m_hasScrollParent(false) |
| , m_hasClipParent(false) |
| , m_paintingPhase(GraphicsLayerPaintAllWithOverflowClip) |
| , m_parent(0) |
| , m_maskLayer(0) |
| , m_contentsClippingMaskLayer(0) |
| , m_replicaLayer(0) |
| , m_replicatedLayer(0) |
| , m_paintCount(0) |
| , m_contentsLayer(0) |
| , m_contentsLayerId(0) |
| , m_scrollableArea(0) |
| , m_3dRenderingContext(0) |
| { |
| #if ENABLE(ASSERT) |
| if (m_client) |
| m_client->verifyNotPainting(); |
| #endif |
| |
| m_opaqueRectTrackingContentLayerDelegate = adoptPtr(new OpaqueRectTrackingContentLayerDelegate(this)); |
| m_layer = adoptPtr(Platform::current()->compositorSupport()->createContentLayer(m_opaqueRectTrackingContentLayerDelegate.get())); |
| m_layer->layer()->setDrawsContent(m_drawsContent && m_contentsVisible); |
| m_layer->layer()->setWebLayerClient(this); |
| m_layer->setAutomaticallyComputeRasterScale(true); |
| } |
| |
| GraphicsLayer::~GraphicsLayer() |
| { |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->clearCurrentGraphicsLayer(); |
| m_linkHighlights.clear(); |
| |
| #if ENABLE(ASSERT) |
| if (m_client) |
| m_client->verifyNotPainting(); |
| #endif |
| |
| if (m_replicaLayer) |
| m_replicaLayer->setReplicatedLayer(0); |
| |
| if (m_replicatedLayer) |
| m_replicatedLayer->setReplicatedByLayer(0); |
| |
| removeAllChildren(); |
| removeFromParent(); |
| |
| resetTrackedPaintInvalidations(); |
| ASSERT(!m_parent); |
| } |
| |
| void GraphicsLayer::setParent(GraphicsLayer* layer) |
| { |
| ASSERT(!layer || !layer->hasAncestor(this)); |
| m_parent = layer; |
| } |
| |
| #if ENABLE(ASSERT) |
| |
| bool GraphicsLayer::hasAncestor(GraphicsLayer* ancestor) const |
| { |
| for (GraphicsLayer* curr = parent(); curr; curr = curr->parent()) { |
| if (curr == ancestor) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| #endif |
| |
| bool GraphicsLayer::setChildren(const GraphicsLayerVector& newChildren) |
| { |
| // If the contents of the arrays are the same, nothing to do. |
| if (newChildren == m_children) |
| return false; |
| |
| removeAllChildren(); |
| |
| size_t listSize = newChildren.size(); |
| for (size_t i = 0; i < listSize; ++i) |
| addChildInternal(newChildren[i]); |
| |
| updateChildList(); |
| |
| return true; |
| } |
| |
| void GraphicsLayer::addChildInternal(GraphicsLayer* childLayer) |
| { |
| ASSERT(childLayer != this); |
| |
| if (childLayer->parent()) |
| childLayer->removeFromParent(); |
| |
| childLayer->setParent(this); |
| m_children.append(childLayer); |
| |
| // Don't call updateChildList here, this function is used in cases where it |
| // should not be called until all children are processed. |
| } |
| |
| void GraphicsLayer::addChild(GraphicsLayer* childLayer) |
| { |
| addChildInternal(childLayer); |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::addChildBelow(GraphicsLayer* childLayer, GraphicsLayer* sibling) |
| { |
| ASSERT(childLayer != this); |
| childLayer->removeFromParent(); |
| |
| bool found = false; |
| for (unsigned i = 0; i < m_children.size(); i++) { |
| if (sibling == m_children[i]) { |
| m_children.insert(i, childLayer); |
| found = true; |
| break; |
| } |
| } |
| |
| childLayer->setParent(this); |
| |
| if (!found) |
| m_children.append(childLayer); |
| |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::removeAllChildren() |
| { |
| while (!m_children.isEmpty()) { |
| GraphicsLayer* curLayer = m_children.last(); |
| ASSERT(curLayer->parent()); |
| curLayer->removeFromParent(); |
| } |
| } |
| |
| void GraphicsLayer::removeFromParent() |
| { |
| if (m_parent) { |
| // We use reverseFind so that removeAllChildren() isn't n^2. |
| m_parent->m_children.remove(m_parent->m_children.reverseFind(this)); |
| setParent(0); |
| } |
| |
| platformLayer()->removeFromParent(); |
| } |
| |
| void GraphicsLayer::setReplicatedByLayer(GraphicsLayer* layer) |
| { |
| // FIXME: this could probably be a full early exit. |
| if (m_replicaLayer != layer) { |
| if (m_replicaLayer) |
| m_replicaLayer->setReplicatedLayer(0); |
| |
| if (layer) |
| layer->setReplicatedLayer(this); |
| |
| m_replicaLayer = layer; |
| } |
| |
| WebLayer* webReplicaLayer = layer ? layer->platformLayer() : 0; |
| platformLayer()->setReplicaLayer(webReplicaLayer); |
| } |
| |
| void GraphicsLayer::setOffsetFromRenderer(const IntSize& offset, ShouldSetNeedsDisplay shouldSetNeedsDisplay) |
| { |
| if (offset == m_offsetFromRenderer) |
| return; |
| |
| m_offsetFromRenderer = offset; |
| |
| // If the compositing layer offset changes, we need to repaint. |
| if (shouldSetNeedsDisplay == SetNeedsDisplay) |
| setNeedsDisplay(); |
| } |
| |
| void GraphicsLayer::paintGraphicsLayerContents(GraphicsContext& context, const IntRect& clip) |
| { |
| if (!m_client) |
| return; |
| incrementPaintCount(); |
| m_client->paintContents(this, context, m_paintingPhase, clip); |
| } |
| |
| void GraphicsLayer::updateChildList() |
| { |
| WebLayer* childHost = m_layer->layer(); |
| childHost->removeAllChildren(); |
| |
| clearContentsLayerIfUnregistered(); |
| |
| if (m_contentsLayer) { |
| // FIXME: add the contents layer in the correct order with negative z-order children. |
| // This does not cause visible rendering issues because currently contents layers are only used |
| // for replaced elements that don't have children. |
| childHost->addChild(m_contentsLayer); |
| } |
| |
| for (size_t i = 0; i < m_children.size(); ++i) |
| childHost->addChild(m_children[i]->platformLayer()); |
| |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| childHost->addChild(m_linkHighlights[i]->layer()); |
| } |
| |
| void GraphicsLayer::updateLayerIsDrawable() |
| { |
| // For the rest of the accelerated compositor code, there is no reason to make a |
| // distinction between drawsContent and contentsVisible. So, for m_layer->layer(), these two |
| // flags are combined here. m_contentsLayer shouldn't receive the drawsContent flag |
| // so it is only given contentsVisible. |
| |
| m_layer->layer()->setDrawsContent(m_drawsContent && m_contentsVisible); |
| if (WebLayer* contentsLayer = contentsLayerIfRegistered()) |
| contentsLayer->setDrawsContent(m_contentsVisible); |
| |
| if (m_drawsContent) { |
| m_layer->layer()->invalidate(); |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->invalidate(); |
| } |
| } |
| |
| void GraphicsLayer::updateContentsRect() |
| { |
| WebLayer* contentsLayer = contentsLayerIfRegistered(); |
| if (!contentsLayer) |
| return; |
| |
| contentsLayer->setPosition(FloatPoint(m_contentsRect.x(), m_contentsRect.y())); |
| contentsLayer->setBounds(IntSize(m_contentsRect.width(), m_contentsRect.height())); |
| |
| if (m_contentsClippingMaskLayer) { |
| if (m_contentsClippingMaskLayer->size() != m_contentsRect.size()) { |
| m_contentsClippingMaskLayer->setSize(m_contentsRect.size()); |
| m_contentsClippingMaskLayer->setNeedsDisplay(); |
| } |
| m_contentsClippingMaskLayer->setPosition(FloatPoint()); |
| m_contentsClippingMaskLayer->setOffsetFromRenderer(offsetFromRenderer() + IntSize(m_contentsRect.location().x(), m_contentsRect.location().y())); |
| } |
| } |
| |
| static HashSet<int>* s_registeredLayerSet; |
| |
| void GraphicsLayer::registerContentsLayer(WebLayer* layer) |
| { |
| if (!s_registeredLayerSet) |
| s_registeredLayerSet = new HashSet<int>; |
| if (s_registeredLayerSet->contains(layer->id())) |
| CRASH(); |
| s_registeredLayerSet->add(layer->id()); |
| } |
| |
| void GraphicsLayer::unregisterContentsLayer(WebLayer* layer) |
| { |
| ASSERT(s_registeredLayerSet); |
| if (!s_registeredLayerSet->contains(layer->id())) |
| CRASH(); |
| s_registeredLayerSet->remove(layer->id()); |
| } |
| |
| void GraphicsLayer::setContentsTo(WebLayer* layer) |
| { |
| bool childrenChanged = false; |
| if (layer) { |
| ASSERT(s_registeredLayerSet); |
| if (!s_registeredLayerSet->contains(layer->id())) |
| CRASH(); |
| if (m_contentsLayerId != layer->id()) { |
| setupContentsLayer(layer); |
| childrenChanged = true; |
| } |
| updateContentsRect(); |
| } else { |
| if (m_contentsLayer) { |
| childrenChanged = true; |
| |
| // The old contents layer will be removed via updateChildList. |
| m_contentsLayer = 0; |
| m_contentsLayerId = 0; |
| } |
| } |
| |
| if (childrenChanged) |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::setupContentsLayer(WebLayer* contentsLayer) |
| { |
| ASSERT(contentsLayer); |
| m_contentsLayer = contentsLayer; |
| m_contentsLayerId = m_contentsLayer->id(); |
| |
| m_contentsLayer->setWebLayerClient(this); |
| m_contentsLayer->setTransformOrigin(FloatPoint3D()); |
| m_contentsLayer->setUseParentBackfaceVisibility(true); |
| |
| // It is necessary to call setDrawsContent as soon as we receive the new contentsLayer, for |
| // the correctness of early exit conditions in setDrawsContent() and setContentsVisible(). |
| m_contentsLayer->setDrawsContent(m_contentsVisible); |
| |
| // Insert the content layer first. Video elements require this, because they have |
| // shadow content that must display in front of the video. |
| m_layer->layer()->insertChild(m_contentsLayer, 0); |
| WebLayer* borderWebLayer = m_contentsClippingMaskLayer ? m_contentsClippingMaskLayer->platformLayer() : 0; |
| m_contentsLayer->setMaskLayer(borderWebLayer); |
| |
| m_contentsLayer->setRenderingContext(m_3dRenderingContext); |
| } |
| |
| void GraphicsLayer::clearContentsLayerIfUnregistered() |
| { |
| if (!m_contentsLayerId || s_registeredLayerSet->contains(m_contentsLayerId)) |
| return; |
| |
| m_contentsLayer = 0; |
| m_contentsLayerId = 0; |
| } |
| |
| GraphicsLayerDebugInfo& GraphicsLayer::debugInfo() |
| { |
| return m_debugInfo; |
| } |
| |
| WebGraphicsLayerDebugInfo* GraphicsLayer::takeDebugInfoFor(WebLayer* layer) |
| { |
| GraphicsLayerDebugInfo* clone = m_debugInfo.clone(); |
| clone->setDebugName(debugName(layer)); |
| return clone; |
| } |
| |
| WebLayer* GraphicsLayer::contentsLayerIfRegistered() |
| { |
| clearContentsLayerIfUnregistered(); |
| return m_contentsLayer; |
| } |
| |
| void GraphicsLayer::resetTrackedPaintInvalidations() |
| { |
| repaintRectMap().remove(this); |
| } |
| |
| void GraphicsLayer::addRepaintRect(const FloatRect& repaintRect) |
| { |
| if (m_client->isTrackingPaintInvalidations()) { |
| FloatRect largestRepaintRect(FloatPoint(), m_size); |
| largestRepaintRect.intersect(repaintRect); |
| RepaintMap::iterator repaintIt = repaintRectMap().find(this); |
| if (repaintIt == repaintRectMap().end()) { |
| Vector<FloatRect> repaintRects; |
| repaintRects.append(largestRepaintRect); |
| repaintRectMap().set(this, repaintRects); |
| } else { |
| Vector<FloatRect>& repaintRects = repaintIt->value; |
| repaintRects.append(largestRepaintRect); |
| } |
| } |
| } |
| |
| static bool compareFloatRects(const FloatRect& a, const FloatRect& b) |
| { |
| if (a.x() != b.x()) |
| return a.x() > b.x(); |
| if (a.y() != b.y()) |
| return a.y() > b.y(); |
| if (a.width() != b.width()) |
| return a.width() > b.width(); |
| return a.height() > b.height(); |
| } |
| |
| template <typename T> |
| static PassRefPtr<JSONArray> pointAsJSONArray(const T& point) |
| { |
| RefPtr<JSONArray> array = adoptRef(new JSONArray); |
| array->pushNumber(point.x()); |
| array->pushNumber(point.y()); |
| return array; |
| } |
| |
| template <typename T> |
| static PassRefPtr<JSONArray> sizeAsJSONArray(const T& size) |
| { |
| RefPtr<JSONArray> array = adoptRef(new JSONArray); |
| array->pushNumber(size.width()); |
| array->pushNumber(size.height()); |
| return array; |
| } |
| |
| template <typename T> |
| static PassRefPtr<JSONArray> rectAsJSONArray(const T& rect) |
| { |
| RefPtr<JSONArray> array = adoptRef(new JSONArray); |
| array->pushNumber(rect.x()); |
| array->pushNumber(rect.y()); |
| array->pushNumber(rect.width()); |
| array->pushNumber(rect.height()); |
| return array; |
| } |
| |
| static double roundCloseToZero(double number) |
| { |
| return std::abs(number) < 1e-7 ? 0 : number; |
| } |
| |
| static PassRefPtr<JSONArray> transformAsJSONArray(const TransformationMatrix& t) |
| { |
| RefPtr<JSONArray> array = adoptRef(new JSONArray); |
| { |
| RefPtr<JSONArray> row = adoptRef(new JSONArray); |
| row->pushNumber(roundCloseToZero(t.m11())); |
| row->pushNumber(roundCloseToZero(t.m12())); |
| row->pushNumber(roundCloseToZero(t.m13())); |
| row->pushNumber(roundCloseToZero(t.m14())); |
| array->pushArray(row); |
| } |
| { |
| RefPtr<JSONArray> row = adoptRef(new JSONArray); |
| row->pushNumber(roundCloseToZero(t.m21())); |
| row->pushNumber(roundCloseToZero(t.m22())); |
| row->pushNumber(roundCloseToZero(t.m23())); |
| row->pushNumber(roundCloseToZero(t.m24())); |
| array->pushArray(row); |
| } |
| { |
| RefPtr<JSONArray> row = adoptRef(new JSONArray); |
| row->pushNumber(roundCloseToZero(t.m31())); |
| row->pushNumber(roundCloseToZero(t.m32())); |
| row->pushNumber(roundCloseToZero(t.m33())); |
| row->pushNumber(roundCloseToZero(t.m34())); |
| array->pushArray(row); |
| } |
| { |
| RefPtr<JSONArray> row = adoptRef(new JSONArray); |
| row->pushNumber(roundCloseToZero(t.m41())); |
| row->pushNumber(roundCloseToZero(t.m42())); |
| row->pushNumber(roundCloseToZero(t.m43())); |
| row->pushNumber(roundCloseToZero(t.m44())); |
| array->pushArray(row); |
| } |
| return array; |
| } |
| |
| static String pointerAsString(const void* ptr) |
| { |
| TextStream ts; |
| ts << ptr; |
| return ts.release(); |
| } |
| |
| PassRefPtr<JSONObject> GraphicsLayer::layerTreeAsJSON(LayerTreeFlags flags, RenderingContextMap& renderingContextMap) const |
| { |
| RefPtr<JSONObject> json = adoptRef(new JSONObject); |
| |
| if (flags & LayerTreeIncludesDebugInfo) { |
| json->setString("this", pointerAsString(this)); |
| json->setString("debugName", m_client->debugName(this)); |
| } |
| |
| if (m_position != FloatPoint()) |
| json->setArray("position", pointAsJSONArray(m_position)); |
| |
| if (m_hasTransformOrigin && m_transformOrigin != FloatPoint3D(m_size.width() * 0.5f, m_size.height() * 0.5f, 0)) |
| json->setArray("transformOrigin", pointAsJSONArray(m_transformOrigin)); |
| |
| if (m_size != IntSize()) |
| json->setArray("bounds", sizeAsJSONArray(m_size)); |
| |
| if (m_opacity != 1) |
| json->setNumber("opacity", m_opacity); |
| |
| if (m_blendMode != WebBlendModeNormal) |
| json->setString("blendMode", compositeOperatorName(CompositeSourceOver, m_blendMode)); |
| |
| if (m_isRootForIsolatedGroup) |
| json->setBoolean("isolate", m_isRootForIsolatedGroup); |
| |
| if (m_contentsOpaque) |
| json->setBoolean("contentsOpaque", m_contentsOpaque); |
| |
| if (!m_shouldFlattenTransform) |
| json->setBoolean("shouldFlattenTransform", m_shouldFlattenTransform); |
| |
| if (m_3dRenderingContext) { |
| RenderingContextMap::const_iterator it = renderingContextMap.find(m_3dRenderingContext); |
| int contextId = renderingContextMap.size() + 1; |
| if (it == renderingContextMap.end()) |
| renderingContextMap.set(m_3dRenderingContext, contextId); |
| else |
| contextId = it->value; |
| |
| json->setNumber("3dRenderingContext", contextId); |
| } |
| |
| if (m_drawsContent) |
| json->setBoolean("drawsContent", m_drawsContent); |
| |
| if (!m_contentsVisible) |
| json->setBoolean("contentsVisible", m_contentsVisible); |
| |
| if (!m_backfaceVisibility) |
| json->setString("backfaceVisibility", m_backfaceVisibility ? "visible" : "hidden"); |
| |
| if (flags & LayerTreeIncludesDebugInfo) |
| json->setString("client", pointerAsString(m_client)); |
| |
| if (m_backgroundColor.alpha()) |
| json->setString("backgroundColor", m_backgroundColor.nameForRenderTreeAsText()); |
| |
| if (!m_transform.isIdentity()) |
| json->setArray("transform", transformAsJSONArray(m_transform)); |
| |
| if (m_replicaLayer) |
| json->setObject("replicaLayer", m_replicaLayer->layerTreeAsJSON(flags, renderingContextMap)); |
| |
| if (m_replicatedLayer) |
| json->setString("replicatedLayer", flags & LayerTreeIncludesDebugInfo ? pointerAsString(m_replicatedLayer) : ""); |
| |
| if ((flags & LayerTreeIncludesPaintInvalidationRects) && repaintRectMap().contains(this) && !repaintRectMap().get(this).isEmpty()) { |
| Vector<FloatRect> repaintRectsCopy = repaintRectMap().get(this); |
| std::sort(repaintRectsCopy.begin(), repaintRectsCopy.end(), &compareFloatRects); |
| RefPtr<JSONArray> repaintRectsJSON = adoptRef(new JSONArray); |
| for (size_t i = 0; i < repaintRectsCopy.size(); ++i) { |
| if (repaintRectsCopy[i].isEmpty()) |
| continue; |
| repaintRectsJSON->pushArray(rectAsJSONArray(repaintRectsCopy[i])); |
| } |
| json->setArray("repaintRects", repaintRectsJSON); |
| } |
| |
| if ((flags & LayerTreeIncludesPaintingPhases) && m_paintingPhase) { |
| RefPtr<JSONArray> paintingPhasesJSON = adoptRef(new JSONArray); |
| if (m_paintingPhase & GraphicsLayerPaintBackground) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintBackground"); |
| if (m_paintingPhase & GraphicsLayerPaintForeground) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintForeground"); |
| if (m_paintingPhase & GraphicsLayerPaintMask) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintMask"); |
| if (m_paintingPhase & GraphicsLayerPaintChildClippingMask) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintChildClippingMask"); |
| if (m_paintingPhase & GraphicsLayerPaintOverflowContents) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintOverflowContents"); |
| if (m_paintingPhase & GraphicsLayerPaintCompositedScroll) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintCompositedScroll"); |
| json->setArray("paintingPhases", paintingPhasesJSON); |
| } |
| |
| if (flags & LayerTreeIncludesClipAndScrollParents) { |
| if (m_hasScrollParent) |
| json->setBoolean("hasScrollParent", true); |
| if (m_hasClipParent) |
| json->setBoolean("hasClipParent", true); |
| } |
| |
| if (flags & LayerTreeIncludesDebugInfo) { |
| RefPtr<JSONArray> compositingReasonsJSON = adoptRef(new JSONArray); |
| for (size_t i = 0; i < kNumberOfCompositingReasons; ++i) { |
| if (m_debugInfo.compositingReasons() & kCompositingReasonStringMap[i].reason) |
| compositingReasonsJSON->pushString(kCompositingReasonStringMap[i].description); |
| } |
| json->setArray("compositingReasons", compositingReasonsJSON); |
| } |
| |
| if (m_children.size()) { |
| RefPtr<JSONArray> childrenJSON = adoptRef(new JSONArray); |
| for (size_t i = 0; i < m_children.size(); i++) |
| childrenJSON->pushObject(m_children[i]->layerTreeAsJSON(flags, renderingContextMap)); |
| json->setArray("children", childrenJSON); |
| } |
| |
| return json; |
| } |
| |
| String GraphicsLayer::layerTreeAsText(LayerTreeFlags flags) const |
| { |
| RenderingContextMap renderingContextMap; |
| RefPtr<JSONObject> json = layerTreeAsJSON(flags, renderingContextMap); |
| return json->toPrettyJSONString(); |
| } |
| |
| String GraphicsLayer::debugName(WebLayer* webLayer) const |
| { |
| String name; |
| if (!m_client) |
| return name; |
| |
| String highlightDebugName; |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) { |
| if (webLayer == m_linkHighlights[i]->layer()) { |
| highlightDebugName = "LinkHighlight[" + String::number(i) + "] for " + m_client->debugName(this); |
| break; |
| } |
| } |
| |
| if (webLayer == m_contentsLayer) { |
| name = "ContentsLayer for " + m_client->debugName(this); |
| } else if (!highlightDebugName.isEmpty()) { |
| name = highlightDebugName; |
| } else if (webLayer == m_layer->layer()) { |
| name = m_client->debugName(this); |
| } else { |
| ASSERT_NOT_REACHED(); |
| } |
| return name; |
| } |
| |
| void GraphicsLayer::setCompositingReasons(CompositingReasons reasons) |
| { |
| m_debugInfo.setCompositingReasons(reasons); |
| } |
| |
| void GraphicsLayer::setOwnerNodeId(int nodeId) |
| { |
| m_debugInfo.setOwnerNodeId(nodeId); |
| } |
| |
| void GraphicsLayer::setPosition(const FloatPoint& point) |
| { |
| m_position = point; |
| platformLayer()->setPosition(m_position); |
| } |
| |
| void GraphicsLayer::setSize(const FloatSize& size) |
| { |
| // We are receiving negative sizes here that cause assertions to fail in the compositor. Clamp them to 0 to |
| // avoid those assertions. |
| // FIXME: This should be an ASSERT instead, as negative sizes should not exist in WebCore. |
| FloatSize clampedSize = size; |
| if (clampedSize.width() < 0 || clampedSize.height() < 0) |
| clampedSize = FloatSize(); |
| |
| if (clampedSize == m_size) |
| return; |
| |
| m_size = clampedSize; |
| |
| m_layer->layer()->setBounds(flooredIntSize(m_size)); |
| // Note that we don't resize m_contentsLayer. It's up the caller to do that. |
| } |
| |
| void GraphicsLayer::setTransform(const TransformationMatrix& transform) |
| { |
| m_transform = transform; |
| platformLayer()->setTransform(TransformationMatrix::toSkMatrix44(m_transform)); |
| } |
| |
| void GraphicsLayer::setTransformOrigin(const FloatPoint3D& transformOrigin) |
| { |
| m_hasTransformOrigin = true; |
| m_transformOrigin = transformOrigin; |
| platformLayer()->setTransformOrigin(transformOrigin); |
| } |
| |
| void GraphicsLayer::setShouldFlattenTransform(bool shouldFlatten) |
| { |
| if (shouldFlatten == m_shouldFlattenTransform) |
| return; |
| |
| m_shouldFlattenTransform = shouldFlatten; |
| |
| m_layer->layer()->setShouldFlattenTransform(shouldFlatten); |
| } |
| |
| void GraphicsLayer::setRenderingContext(int context) |
| { |
| if (m_3dRenderingContext == context) |
| return; |
| |
| m_3dRenderingContext = context; |
| m_layer->layer()->setRenderingContext(context); |
| |
| if (m_contentsLayer) |
| m_contentsLayer->setRenderingContext(m_3dRenderingContext); |
| } |
| |
| void GraphicsLayer::setMasksToBounds(bool masksToBounds) |
| { |
| m_masksToBounds = masksToBounds; |
| m_layer->layer()->setMasksToBounds(m_masksToBounds); |
| } |
| |
| void GraphicsLayer::setDrawsContent(bool drawsContent) |
| { |
| // Note carefully this early-exit is only correct because we also properly call |
| // WebLayer::setDrawsContent whenever m_contentsLayer is set to a new layer in setupContentsLayer(). |
| if (drawsContent == m_drawsContent) |
| return; |
| |
| m_drawsContent = drawsContent; |
| updateLayerIsDrawable(); |
| } |
| |
| void GraphicsLayer::setContentsVisible(bool contentsVisible) |
| { |
| // Note carefully this early-exit is only correct because we also properly call |
| // WebLayer::setDrawsContent whenever m_contentsLayer is set to a new layer in setupContentsLayer(). |
| if (contentsVisible == m_contentsVisible) |
| return; |
| |
| m_contentsVisible = contentsVisible; |
| updateLayerIsDrawable(); |
| } |
| |
| void GraphicsLayer::setClipParent(WebLayer* parent) |
| { |
| m_hasClipParent = !!parent; |
| m_layer->layer()->setClipParent(parent); |
| } |
| |
| void GraphicsLayer::setScrollParent(WebLayer* parent) |
| { |
| m_hasScrollParent = !!parent; |
| m_layer->layer()->setScrollParent(parent); |
| } |
| |
| void GraphicsLayer::setBackgroundColor(const Color& color) |
| { |
| if (color == m_backgroundColor) |
| return; |
| |
| m_backgroundColor = color; |
| m_layer->layer()->setBackgroundColor(m_backgroundColor.rgb()); |
| } |
| |
| void GraphicsLayer::setContentsOpaque(bool opaque) |
| { |
| m_contentsOpaque = opaque; |
| m_layer->layer()->setOpaque(m_contentsOpaque); |
| m_opaqueRectTrackingContentLayerDelegate->setOpaque(m_contentsOpaque); |
| clearContentsLayerIfUnregistered(); |
| if (m_contentsLayer) |
| m_contentsLayer->setOpaque(opaque); |
| } |
| |
| void GraphicsLayer::setMaskLayer(GraphicsLayer* maskLayer) |
| { |
| if (maskLayer == m_maskLayer) |
| return; |
| |
| m_maskLayer = maskLayer; |
| WebLayer* maskWebLayer = m_maskLayer ? m_maskLayer->platformLayer() : 0; |
| m_layer->layer()->setMaskLayer(maskWebLayer); |
| } |
| |
| void GraphicsLayer::setContentsClippingMaskLayer(GraphicsLayer* contentsClippingMaskLayer) |
| { |
| if (contentsClippingMaskLayer == m_contentsClippingMaskLayer) |
| return; |
| |
| m_contentsClippingMaskLayer = contentsClippingMaskLayer; |
| WebLayer* contentsLayer = contentsLayerIfRegistered(); |
| if (!contentsLayer) |
| return; |
| WebLayer* contentsClippingMaskWebLayer = m_contentsClippingMaskLayer ? m_contentsClippingMaskLayer->platformLayer() : 0; |
| contentsLayer->setMaskLayer(contentsClippingMaskWebLayer); |
| updateContentsRect(); |
| } |
| |
| void GraphicsLayer::setBackfaceVisibility(bool visible) |
| { |
| m_backfaceVisibility = visible; |
| m_layer->setDoubleSided(m_backfaceVisibility); |
| } |
| |
| void GraphicsLayer::setOpacity(float opacity) |
| { |
| float clampedOpacity = std::max(std::min(opacity, 1.0f), 0.0f); |
| m_opacity = clampedOpacity; |
| platformLayer()->setOpacity(opacity); |
| } |
| |
| void GraphicsLayer::setBlendMode(WebBlendMode blendMode) |
| { |
| if (m_blendMode == blendMode) |
| return; |
| m_blendMode = blendMode; |
| platformLayer()->setBlendMode(WebBlendMode(blendMode)); |
| } |
| |
| void GraphicsLayer::setIsRootForIsolatedGroup(bool isolated) |
| { |
| if (m_isRootForIsolatedGroup == isolated) |
| return; |
| m_isRootForIsolatedGroup = isolated; |
| platformLayer()->setIsRootForIsolatedGroup(isolated); |
| } |
| |
| void GraphicsLayer::setContentsNeedsDisplay() |
| { |
| if (WebLayer* contentsLayer = contentsLayerIfRegistered()) { |
| contentsLayer->invalidate(); |
| addRepaintRect(m_contentsRect); |
| } |
| } |
| |
| void GraphicsLayer::setNeedsDisplay() |
| { |
| if (drawsContent()) { |
| m_layer->layer()->invalidate(); |
| addRepaintRect(FloatRect(FloatPoint(), m_size)); |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->invalidate(); |
| } |
| } |
| |
| void GraphicsLayer::setNeedsDisplayInRect(const FloatRect& rect) |
| { |
| if (drawsContent()) { |
| m_layer->layer()->invalidateRect(rect); |
| addRepaintRect(rect); |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->invalidate(); |
| } |
| } |
| |
| void GraphicsLayer::setContentsRect(const IntRect& rect) |
| { |
| if (rect == m_contentsRect) |
| return; |
| |
| m_contentsRect = rect; |
| updateContentsRect(); |
| } |
| |
| void GraphicsLayer::setContentsToImage(Image* image) |
| { |
| RefPtr<NativeImageSkia> nativeImage = image ? image->nativeImageForCurrentFrame() : nullptr; |
| if (nativeImage) { |
| if (!m_imageLayer) { |
| m_imageLayer = adoptPtr(Platform::current()->compositorSupport()->createImageLayer()); |
| registerContentsLayer(m_imageLayer->layer()); |
| } |
| m_imageLayer->setBitmap(nativeImage->bitmap()); |
| m_imageLayer->layer()->setOpaque(image->currentFrameKnownToBeOpaque()); |
| updateContentsRect(); |
| } else { |
| if (m_imageLayer) { |
| unregisterContentsLayer(m_imageLayer->layer()); |
| m_imageLayer.clear(); |
| } |
| } |
| |
| setContentsTo(m_imageLayer ? m_imageLayer->layer() : 0); |
| } |
| |
| void GraphicsLayer::setContentsToNinePatch(Image* image, const IntRect& aperture) |
| { |
| if (m_ninePatchLayer) { |
| unregisterContentsLayer(m_ninePatchLayer->layer()); |
| m_ninePatchLayer.clear(); |
| } |
| RefPtr<NativeImageSkia> nativeImage = image ? image->nativeImageForCurrentFrame() : nullptr; |
| if (nativeImage) { |
| m_ninePatchLayer = adoptPtr(Platform::current()->compositorSupport()->createNinePatchLayer()); |
| m_ninePatchLayer->setBitmap(nativeImage->bitmap(), aperture); |
| m_ninePatchLayer->layer()->setOpaque(image->currentFrameKnownToBeOpaque()); |
| registerContentsLayer(m_ninePatchLayer->layer()); |
| } |
| setContentsTo(m_ninePatchLayer ? m_ninePatchLayer->layer() : 0); |
| } |
| |
| bool GraphicsLayer::addAnimation(PassOwnPtr<WebAnimation> popAnimation) |
| { |
| OwnPtr<WebAnimation> animation(popAnimation); |
| ASSERT(animation); |
| platformLayer()->setAnimationDelegate(this); |
| |
| // Remove any existing animations with the same animation id and target property. |
| platformLayer()->removeAnimation(animation->id(), animation->targetProperty()); |
| return platformLayer()->addAnimation(animation.leakPtr()); |
| } |
| |
| void GraphicsLayer::pauseAnimation(int animationId, double timeOffset) |
| { |
| platformLayer()->pauseAnimation(animationId, timeOffset); |
| } |
| |
| void GraphicsLayer::removeAnimation(int animationId) |
| { |
| platformLayer()->removeAnimation(animationId); |
| } |
| |
| WebLayer* GraphicsLayer::platformLayer() const |
| { |
| return m_layer->layer(); |
| } |
| |
| void GraphicsLayer::setFilters(const FilterOperations& filters) |
| { |
| SkiaImageFilterBuilder builder; |
| OwnPtr<WebFilterOperations> webFilters = adoptPtr(Platform::current()->compositorSupport()->createFilterOperations()); |
| FilterOutsets outsets = filters.outsets(); |
| builder.setCropOffset(FloatSize(outsets.left(), outsets.top())); |
| builder.buildFilterOperations(filters, webFilters.get()); |
| m_layer->layer()->setFilters(*webFilters); |
| } |
| |
| void GraphicsLayer::setPaintingPhase(GraphicsLayerPaintingPhase phase) |
| { |
| if (m_paintingPhase == phase) |
| return; |
| m_paintingPhase = phase; |
| setNeedsDisplay(); |
| } |
| |
| void GraphicsLayer::addLinkHighlight(LinkHighlightClient* linkHighlight) |
| { |
| ASSERT(linkHighlight && !m_linkHighlights.contains(linkHighlight)); |
| m_linkHighlights.append(linkHighlight); |
| linkHighlight->layer()->setWebLayerClient(this); |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::removeLinkHighlight(LinkHighlightClient* linkHighlight) |
| { |
| m_linkHighlights.remove(m_linkHighlights.find(linkHighlight)); |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::setScrollableArea(ScrollableArea* scrollableArea, bool isMainFrame) |
| { |
| if (m_scrollableArea == scrollableArea) |
| return; |
| |
| m_scrollableArea = scrollableArea; |
| |
| // Main frame scrolling may involve pinch zoom and gets routed through |
| // WebViewImpl explicitly rather than via GraphicsLayer::didScroll. |
| // TODO(bokan): With pinch virtual viewport the special case will no |
| // longer be needed, remove once old-style pinch is gone. |
| if (isMainFrame) |
| m_layer->layer()->setScrollClient(0); |
| else |
| m_layer->layer()->setScrollClient(this); |
| } |
| |
| void GraphicsLayer::paint(GraphicsContext& context, const IntRect& clip) |
| { |
| paintGraphicsLayerContents(context, clip); |
| } |
| |
| |
| void GraphicsLayer::notifyAnimationStarted(double monotonicTime, WebAnimation::TargetProperty) |
| { |
| if (m_client) |
| m_client->notifyAnimationStarted(this, monotonicTime); |
| } |
| |
| void GraphicsLayer::notifyAnimationFinished(double, WebAnimation::TargetProperty) |
| { |
| // Do nothing. |
| } |
| |
| void GraphicsLayer::didScroll() |
| { |
| if (m_scrollableArea) |
| m_scrollableArea->scrollToOffsetWithoutAnimation(m_scrollableArea->minimumScrollPosition() + toIntSize(m_layer->layer()->scrollPosition())); |
| } |
| |
| } // namespace blink |
| |
| #ifndef NDEBUG |
| void showGraphicsLayerTree(const blink::GraphicsLayer* layer) |
| { |
| if (!layer) |
| return; |
| |
| String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo); |
| fprintf(stderr, "%s\n", output.utf8().data()); |
| } |
| #endif |