[cc] Rename all cc/ filenames to Chromium style

cc/CCLayerImpl.cpp

Index: cc/CCLayerImpl.cpp
diff --git a/cc/CCLayerImpl.cpp b/cc/CCLayerImpl.cpp
deleted file mode 100644
index 16c9356dbfbc859ba49b24e947c449781abd93fe..0000000000000000000000000000000000000000
--- a/cc/CCLayerImpl.cpp
+++ /dev/null
@@ -1,685 +0,0 @@
-// Copyright 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "config.h"
-
-#if USE(ACCELERATED_COMPOSITING)
-
-#include "CCLayerImpl.h"
-
-#include "base/stringprintf.h"
-#include "CCDebugBorderDrawQuad.h"
-#include "CCLayerSorter.h"
-#include "CCMathUtil.h"
-#include "CCProxy.h"
-#include "CCQuadSink.h"
-#include "CCScrollbarAnimationController.h"
-#include "CCSettings.h"
-#include "TraceEvent.h"
-
-using WebKit::WebTransformationMatrix;
-
-namespace cc {
-
-CCLayerImpl::CCLayerImpl(int id)
-    : m_parent(0)
-    , m_maskLayerId(-1)
-    , m_replicaLayerId(-1)
-    , m_layerId(id)
-    , m_layerTreeHostImpl(0)
-    , m_anchorPoint(0.5, 0.5)
-    , m_anchorPointZ(0)
-    , m_scrollable(false)
-    , m_shouldScrollOnMainThread(false)
-    , m_haveWheelEventHandlers(false)
-    , m_backgroundColor(0)
-    , m_doubleSided(true)
-    , m_layerPropertyChanged(false)
-    , m_layerSurfacePropertyChanged(false)
-    , m_masksToBounds(false)
-    , m_contentsOpaque(false)
-    , m_opacity(1.0)
-    , m_preserves3D(false)
-    , m_useParentBackfaceVisibility(false)
-    , m_drawCheckerboardForMissingTiles(false)
-    , m_useLCDText(false)
-    , m_drawsContent(false)
-    , m_forceRenderSurface(false)
-    , m_isContainerForFixedPositionLayers(false)
-    , m_fixedToContainerLayer(false)
-    , m_renderTarget(0)
-    , m_drawDepth(0)
-    , m_drawOpacity(0)
-    , m_drawOpacityIsAnimating(false)
-    , m_debugBorderColor(0)
-    , m_debugBorderWidth(0)
-    , m_drawTransformIsAnimating(false)
-    , m_screenSpaceTransformIsAnimating(false)
-#ifndef NDEBUG
-    , m_betweenWillDrawAndDidDraw(false)
-#endif
-    , m_layerAnimationController(CCLayerAnimationController::create(this))
-{
-    ASSERT(CCProxy::isImplThread());
-    ASSERT(m_layerId > 0);
-}
-
-CCLayerImpl::~CCLayerImpl()
-{
-    ASSERT(CCProxy::isImplThread());
-#ifndef NDEBUG
-    ASSERT(!m_betweenWillDrawAndDidDraw);
-#endif
-}
-
-void CCLayerImpl::addChild(scoped_ptr<CCLayerImpl> child)
-{
-    child->setParent(this);
-    m_children.append(child.Pass());
-}
-
-void CCLayerImpl::removeFromParent()
-{
-    if (!m_parent)
-        return;
-
-    CCLayerImpl* parent = m_parent;
-    m_parent = 0;
-
-    for (size_t i = 0; i < parent->m_children.size(); ++i) {
-        if (parent->m_children[i] == this) {
-            parent->m_children.remove(i);
-            return;
-        }
-    }
-}
-
-void CCLayerImpl::removeAllChildren()
-{
-    while (m_children.size())
-        m_children[0]->removeFromParent();
-}
-
-void CCLayerImpl::clearChildList()
-{
-    m_children.clear();
-}
-
-void CCLayerImpl::createRenderSurface()
-{
-    ASSERT(!m_renderSurface);
-    m_renderSurface = adoptPtr(new CCRenderSurface(this));
-    setRenderTarget(this);
-}
-
-bool CCLayerImpl::descendantDrawsContent()
-{
-    for (size_t i = 0; i < m_children.size(); ++i) {
-        if (m_children[i]->drawsContent() || m_children[i]->descendantDrawsContent())
-            return true;
-    }
-    return false;
-}
-
-scoped_ptr<CCSharedQuadState> CCLayerImpl::createSharedQuadState() const
-{
-    return CCSharedQuadState::create(m_drawTransform, m_visibleContentRect, m_drawableContentRect, m_drawOpacity, m_contentsOpaque);
-}
-
-void CCLayerImpl::willDraw(CCResourceProvider*)
-{
-#ifndef NDEBUG
-    // willDraw/didDraw must be matched.
-    ASSERT(!m_betweenWillDrawAndDidDraw);
-    m_betweenWillDrawAndDidDraw = true;
-#endif
-}
-
-void CCLayerImpl::didDraw(CCResourceProvider*)
-{
-#ifndef NDEBUG
-    ASSERT(m_betweenWillDrawAndDidDraw);
-    m_betweenWillDrawAndDidDraw = false;
-#endif
-}
-
-void CCLayerImpl::appendDebugBorderQuad(CCQuadSink& quadList, const CCSharedQuadState* sharedQuadState, CCAppendQuadsData& appendQuadsData) const
-{
-    if (!hasDebugBorders())
-        return;
-
-    IntRect contentRect(IntPoint(), contentBounds());
-    quadList.append(CCDebugBorderDrawQuad::create(sharedQuadState, contentRect, debugBorderColor(), debugBorderWidth()).PassAs<CCDrawQuad>(), appendQuadsData);
-}
-
-bool CCLayerImpl::hasContributingDelegatedRenderPasses() const
-{
-    return false;
-}
-
-CCRenderPass::Id CCLayerImpl::firstContributingRenderPassId() const
-{
-    return CCRenderPass::Id(0, 0);
-}
-
-CCRenderPass::Id CCLayerImpl::nextContributingRenderPassId(CCRenderPass::Id) const
-{
-    return CCRenderPass::Id(0, 0);
-}
-
-CCResourceProvider::ResourceId CCLayerImpl::contentsResourceId() const
-{
-    ASSERT_NOT_REACHED();
-    return 0;
-}
-
-FloatSize CCLayerImpl::scrollBy(const FloatSize& scroll)
-{
-    IntSize minDelta = -toSize(m_scrollPosition);
-    IntSize maxDelta = m_maxScrollPosition - toSize(m_scrollPosition);
-    // Clamp newDelta so that position + delta stays within scroll bounds.
-    FloatSize newDelta = (m_scrollDelta + scroll).expandedTo(minDelta).shrunkTo(maxDelta);
-    FloatSize unscrolled = m_scrollDelta + scroll - newDelta;
-
-    if (m_scrollDelta == newDelta)
-        return unscrolled;
-
-    m_scrollDelta = newDelta;
-    if (m_scrollbarAnimationController)
-        m_scrollbarAnimationController->updateScrollOffset(this);
-    noteLayerPropertyChangedForSubtree();
-
-    return unscrolled;
-}
-
-CCInputHandlerClient::ScrollStatus CCLayerImpl::tryScroll(const IntPoint& viewportPoint, CCInputHandlerClient::ScrollInputType type) const
-{
-    if (shouldScrollOnMainThread()) {
-        TRACE_EVENT0("cc", "CCLayerImpl::tryScroll: Failed shouldScrollOnMainThread");
-        return CCInputHandlerClient::ScrollOnMainThread;
-    }
-
-    if (!screenSpaceTransform().isInvertible()) {
-        TRACE_EVENT0("cc", "CCLayerImpl::tryScroll: Ignored nonInvertibleTransform");
-        return CCInputHandlerClient::ScrollIgnored;
-    }
-
-    if (!nonFastScrollableRegion().isEmpty()) {
-        bool clipped = false;
-        FloatPoint hitTestPointInLocalSpace = CCMathUtil::projectPoint(screenSpaceTransform().inverse(), FloatPoint(viewportPoint), clipped);
-        if (!clipped && nonFastScrollableRegion().contains(flooredIntPoint(hitTestPointInLocalSpace))) {
-            TRACE_EVENT0("cc", "CCLayerImpl::tryScroll: Failed nonFastScrollableRegion");
-            return CCInputHandlerClient::ScrollOnMainThread;
-        }
-    }
-
-    if (type == CCInputHandlerClient::Wheel && haveWheelEventHandlers()) {
-        TRACE_EVENT0("cc", "CCLayerImpl::tryScroll: Failed wheelEventHandlers");
-        return CCInputHandlerClient::ScrollOnMainThread;
-    }
-
-    if (!scrollable()) {
-        TRACE_EVENT0("cc", "CCLayerImpl::tryScroll: Ignored not scrollable");
-        return CCInputHandlerClient::ScrollIgnored;
-    }
-
-    return CCInputHandlerClient::ScrollStarted;
-}
-
-bool CCLayerImpl::drawCheckerboardForMissingTiles() const
-{
-    return m_drawCheckerboardForMissingTiles && !CCSettings::backgroundColorInsteadOfCheckerboard();
-}
-
-IntRect CCLayerImpl::layerRectToContentRect(const WebKit::WebRect& layerRect)
-{
-    float widthScale = static_cast<float>(contentBounds().width()) / bounds().width();
-    float heightScale = static_cast<float>(contentBounds().height()) / bounds().height();
-    FloatRect contentRect(layerRect.x, layerRect.y, layerRect.width, layerRect.height);
-    contentRect.scale(widthScale, heightScale);
-    return enclosingIntRect(contentRect);
-}
-
-std::string CCLayerImpl::indentString(int indent)
-{
-    std::string str;
-    for (int i = 0; i != indent; ++i)
-        str.append("  ");
-    return str;
-}
-
-void CCLayerImpl::dumpLayerProperties(std::string* str, int indent) const
-{
-    std::string indentStr = indentString(indent);
-    str->append(indentStr);
-    base::StringAppendF(str, "layer ID: %d\n", m_layerId);
-
-    str->append(indentStr);
-    base::StringAppendF(str, "bounds: %d, %d\n", bounds().width(), bounds().height());
-
-    if (m_renderTarget) {
-        str->append(indentStr);
-        base::StringAppendF(str, "renderTarget: %d\n", m_renderTarget->m_layerId);
-    }
-
-    str->append(indentStr);
-    base::StringAppendF(str, "drawTransform: %f, %f, %f, %f  //  %f, %f, %f, %f  //  %f, %f, %f, %f  //  %f, %f, %f, %f\n",
-        m_drawTransform.m11(), m_drawTransform.m12(), m_drawTransform.m13(), m_drawTransform.m14(),
-        m_drawTransform.m21(), m_drawTransform.m22(), m_drawTransform.m23(), m_drawTransform.m24(),
-        m_drawTransform.m31(), m_drawTransform.m32(), m_drawTransform.m33(), m_drawTransform.m34(),
-        m_drawTransform.m41(), m_drawTransform.m42(), m_drawTransform.m43(), m_drawTransform.m44());
-
-    str->append(indentStr);
-    base::StringAppendF(str, "drawsContent: %s\n", m_drawsContent ? "yes" : "no");
-}
-
-void sortLayers(std::vector<CCLayerImpl*>::iterator first, std::vector<CCLayerImpl*>::iterator end, CCLayerSorter* layerSorter)
-{
-    TRACE_EVENT0("cc", "CCLayerImpl::sortLayers");
-    layerSorter->sort(first, end);
-}
-
-std::string CCLayerImpl::layerTreeAsText() const
-{
-    std::string str;
-    dumpLayer(&str, 0);
-    return str;
-}
-
-void CCLayerImpl::dumpLayer(std::string* str, int indent) const
-{
-    str->append(indentString(indent));
-    base::StringAppendF(str, "%s(%s)\n", layerTypeAsString(), m_debugName.data());
-    dumpLayerProperties(str, indent+2);
-    if (m_replicaLayer) {
-        str->append(indentString(indent+2));
-        str->append("Replica:\n");
-        m_replicaLayer->dumpLayer(str, indent+3);
-    }
-    if (m_maskLayer) {
-        str->append(indentString(indent+2));
-        str->append("Mask:\n");
-        m_maskLayer->dumpLayer(str, indent+3);
-    }
-    for (size_t i = 0; i < m_children.size(); ++i)
-        m_children[i]->dumpLayer(str, indent+1);
-}
-
-void CCLayerImpl::setStackingOrderChanged(bool stackingOrderChanged)
-{
-    // We don't need to store this flag; we only need to track that the change occurred.
-    if (stackingOrderChanged)
-        noteLayerPropertyChangedForSubtree();
-}
-
-bool CCLayerImpl::layerSurfacePropertyChanged() const
-{
-    if (m_layerSurfacePropertyChanged)
-        return true;
-
-    // If this layer's surface property hasn't changed, we want to see if
-    // some layer above us has changed this property. This is done for the
-    // case when such parent layer does not draw content, and therefore will
-    // not be traversed by the damage tracker. We need to make sure that
-    // property change on such layer will be caught by its descendants.
-    CCLayerImpl* current = this->m_parent;
-    while (current && !current->m_renderSurface) {
-        if (current->m_layerSurfacePropertyChanged)
-            return true;
-        current = current->m_parent;
-    }
-
-    return false;
-}
-
-void CCLayerImpl::noteLayerPropertyChangedForSubtree()
-{
-    m_layerPropertyChanged = true;
-    noteLayerPropertyChangedForDescendants();
-}
-
-void CCLayerImpl::noteLayerPropertyChangedForDescendants()
-{
-    for (size_t i = 0; i < m_children.size(); ++i)
-        m_children[i]->noteLayerPropertyChangedForSubtree();
-}
-
-const char* CCLayerImpl::layerTypeAsString() const
-{
-    return "LayerChromium";
-}
-
-void CCLayerImpl::resetAllChangeTrackingForSubtree()
-{
-    m_layerPropertyChanged = false;
-    m_layerSurfacePropertyChanged = false;
-
-    m_updateRect = FloatRect();
-
-    if (m_renderSurface)
-        m_renderSurface->resetPropertyChangedFlag();
-
-    if (m_maskLayer)
-        m_maskLayer->resetAllChangeTrackingForSubtree();
-
-    if (m_replicaLayer)
-        m_replicaLayer->resetAllChangeTrackingForSubtree(); // also resets the replica mask, if it exists.
-
-    for (size_t i = 0; i < m_children.size(); ++i)
-        m_children[i]->resetAllChangeTrackingForSubtree();
-}
-
-bool CCLayerImpl::layerIsAlwaysDamaged() const
-{
-    return false;
-}
-
-int CCLayerImpl::id() const
-{
-     return m_layerId;
-}
-
-float CCLayerImpl::opacity() const
-{
-     return m_opacity;
-}
-
-void CCLayerImpl::setOpacityFromAnimation(float opacity)
-{
-    setOpacity(opacity);
-}
-
-const WebKit::WebTransformationMatrix& CCLayerImpl::transform() const
-{
-     return m_transform;
-}
-
-void CCLayerImpl::setTransformFromAnimation(const WebTransformationMatrix& transform)
-{
-    setTransform(transform);
-}
-
-void CCLayerImpl::setBounds(const IntSize& bounds)
-{
-    if (m_bounds == bounds)
-        return;
-
-    m_bounds = bounds;
-
-    if (masksToBounds())
-        noteLayerPropertyChangedForSubtree();
-    else
-        m_layerPropertyChanged = true;
-}
-
-void CCLayerImpl::setMaskLayer(scoped_ptr<CCLayerImpl> maskLayer)
-{
-    m_maskLayer = maskLayer.Pass();
-
-    int newLayerId = m_maskLayer ? m_maskLayer->id() : -1;
-    if (newLayerId == m_maskLayerId)
-        return;
-
-    m_maskLayerId = newLayerId;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setReplicaLayer(scoped_ptr<CCLayerImpl> replicaLayer)
-{
-    m_replicaLayer = replicaLayer.Pass();
-
-    int newLayerId = m_replicaLayer ? m_replicaLayer->id() : -1;
-    if (newLayerId == m_replicaLayerId)
-        return;
-
-    m_replicaLayerId = newLayerId;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setDrawsContent(bool drawsContent)
-{
-    if (m_drawsContent == drawsContent)
-        return;
-
-    m_drawsContent = drawsContent;
-    m_layerPropertyChanged = true;
-}
-
-void CCLayerImpl::setAnchorPoint(const FloatPoint& anchorPoint)
-{
-    if (m_anchorPoint == anchorPoint)
-        return;
-
-    m_anchorPoint = anchorPoint;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setAnchorPointZ(float anchorPointZ)
-{
-    if (m_anchorPointZ == anchorPointZ)
-        return;
-
-    m_anchorPointZ = anchorPointZ;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setBackgroundColor(SkColor backgroundColor)
-{
-    if (m_backgroundColor == backgroundColor)
-        return;
-
-    m_backgroundColor = backgroundColor;
-    m_layerPropertyChanged = true;
-}
-
-void CCLayerImpl::setFilters(const WebKit::WebFilterOperations& filters)
-{
-    if (m_filters == filters)
-        return;
-
-    m_filters = filters;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setBackgroundFilters(const WebKit::WebFilterOperations& backgroundFilters)
-{
-    if (m_backgroundFilters == backgroundFilters)
-        return;
-
-    m_backgroundFilters = backgroundFilters;
-    m_layerPropertyChanged = true;
-}
-
-void CCLayerImpl::setMasksToBounds(bool masksToBounds)
-{
-    if (m_masksToBounds == masksToBounds)
-        return;
-
-    m_masksToBounds = masksToBounds;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setContentsOpaque(bool opaque)
-{
-    if (m_contentsOpaque == opaque)
-        return;
-
-    m_contentsOpaque = opaque;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setOpacity(float opacity)
-{
-    if (m_opacity == opacity)
-        return;
-
-    m_opacity = opacity;
-    m_layerSurfacePropertyChanged = true;
-}
-
-bool CCLayerImpl::opacityIsAnimating() const
-{
-    return m_layerAnimationController->isAnimatingProperty(CCActiveAnimation::Opacity);
-}
-
-void CCLayerImpl::setPosition(const FloatPoint& position)
-{
-    if (m_position == position)
-        return;
-
-    m_position = position;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setPreserves3D(bool preserves3D)
-{
-    if (m_preserves3D == preserves3D)
-        return;
-
-    m_preserves3D = preserves3D;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setSublayerTransform(const WebTransformationMatrix& sublayerTransform)
-{
-    if (m_sublayerTransform == sublayerTransform)
-        return;
-
-    m_sublayerTransform = sublayerTransform;
-    // sublayer transform does not affect the current layer; it affects only its children.
-    noteLayerPropertyChangedForDescendants();
-}
-
-void CCLayerImpl::setTransform(const WebTransformationMatrix& transform)
-{
-    if (m_transform == transform)
-        return;
-
-    m_transform = transform;
-    m_layerSurfacePropertyChanged = true;
-}
-
-bool CCLayerImpl::transformIsAnimating() const
-{
-    return m_layerAnimationController->isAnimatingProperty(CCActiveAnimation::Transform);
-}
-
-void CCLayerImpl::setDebugBorderColor(SkColor debugBorderColor)
-{
-    if (m_debugBorderColor == debugBorderColor)
-        return;
-
-    m_debugBorderColor = debugBorderColor;
-    m_layerPropertyChanged = true;
-}
-
-void CCLayerImpl::setDebugBorderWidth(float debugBorderWidth)
-{
-    if (m_debugBorderWidth == debugBorderWidth)
-        return;
-
-    m_debugBorderWidth = debugBorderWidth;
-    m_layerPropertyChanged = true;
-}
-
-bool CCLayerImpl::hasDebugBorders() const
-{
-    return SkColorGetA(m_debugBorderColor) && debugBorderWidth() > 0;
-}
-
-void CCLayerImpl::setContentBounds(const IntSize& contentBounds)
-{
-    if (m_contentBounds == contentBounds)
-        return;
-
-    m_contentBounds = contentBounds;
-    m_layerPropertyChanged = true;
-}
-
-void CCLayerImpl::setScrollPosition(const IntPoint& scrollPosition)
-{
-    if (m_scrollPosition == scrollPosition)
-        return;
-
-    m_scrollPosition = scrollPosition;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setScrollDelta(const FloatSize& scrollDelta)
-{
-    if (m_scrollDelta == scrollDelta)
-        return;
-
-    m_scrollDelta = scrollDelta;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setImplTransform(const WebKit::WebTransformationMatrix& transform)
-{
-    if (m_implTransform == transform)
-        return;
-
-    m_implTransform = transform;
-    noteLayerPropertyChangedForSubtree();
-}
-
-void CCLayerImpl::setDoubleSided(bool doubleSided)
-{
-    if (m_doubleSided == doubleSided)
-        return;
-
-    m_doubleSided = doubleSided;
-    noteLayerPropertyChangedForSubtree();
-}
-
-Region CCLayerImpl::visibleContentOpaqueRegion() const
-{
-    if (contentsOpaque())
-        return visibleContentRect();
-    return Region();
-}
-
-void CCLayerImpl::didLoseContext()
-{
-}
-
-void CCLayerImpl::setMaxScrollPosition(const IntSize& maxScrollPosition)
-{
-    m_maxScrollPosition = maxScrollPosition;
-
-    if (!m_scrollbarAnimationController)
-        return;
-    m_scrollbarAnimationController->updateScrollOffset(this);
-}
-
-CCScrollbarLayerImpl* CCLayerImpl::horizontalScrollbarLayer() const
-{
-    return m_scrollbarAnimationController ? m_scrollbarAnimationController->horizontalScrollbarLayer() : 0;
-}
-
-void CCLayerImpl::setHorizontalScrollbarLayer(CCScrollbarLayerImpl* scrollbarLayer)
-{
-    if (!m_scrollbarAnimationController)
-        m_scrollbarAnimationController = CCScrollbarAnimationController::create(this);
-    m_scrollbarAnimationController->setHorizontalScrollbarLayer(scrollbarLayer);
-    m_scrollbarAnimationController->updateScrollOffset(this);
-}
-
-CCScrollbarLayerImpl* CCLayerImpl::verticalScrollbarLayer() const
-{
-    return m_scrollbarAnimationController ? m_scrollbarAnimationController->verticalScrollbarLayer() : 0;
-}
-
-void CCLayerImpl::setVerticalScrollbarLayer(CCScrollbarLayerImpl* scrollbarLayer)
-{
-    if (!m_scrollbarAnimationController)
-        m_scrollbarAnimationController = CCScrollbarAnimationController::create(this);
-    m_scrollbarAnimationController->setVerticalScrollbarLayer(scrollbarLayer);
-    m_scrollbarAnimationController->updateScrollOffset(this);
-}
-
-}
-
-
-#endif // USE(ACCELERATED_COMPOSITING)