Move rendering/svg/RenderSVGResource* to layout/svg.

Source/core/rendering/svg/RenderSVGResourceContainer.cpp

Index: Source/core/rendering/svg/RenderSVGResourceContainer.cpp
diff --git a/Source/core/rendering/svg/RenderSVGResourceContainer.cpp b/Source/core/rendering/svg/RenderSVGResourceContainer.cpp
deleted file mode 100644
index 9d6df2eb8bb073c0d9ce5d44484d7ab54a3b69e1..0000000000000000000000000000000000000000
--- a/Source/core/rendering/svg/RenderSVGResourceContainer.cpp
+++ /dev/null
@@ -1,299 +0,0 @@
-/*
- * Copyright (C) Research In Motion Limited 2010. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-#include "core/rendering/svg/RenderSVGResourceContainer.h"
-
-#include "core/layout/Layer.h"
-#include "core/layout/svg/SVGResources.h"
-#include "core/layout/svg/SVGResourcesCache.h"
-#include "core/rendering/svg/RenderSVGResourceClipper.h"
-#include "core/rendering/svg/RenderSVGResourceFilter.h"
-#include "core/rendering/svg/RenderSVGResourceMasker.h"
-
-#include "wtf/TemporaryChange.h"
-
-namespace blink {
-
-static inline SVGDocumentExtensions& svgExtensionsFromElement(SVGElement* element)
-{
-    ASSERT(element);
-    return element->document().accessSVGExtensions();
-}
-
-RenderSVGResourceContainer::RenderSVGResourceContainer(SVGElement* node)
-    : RenderSVGHiddenContainer(node)
-    , m_isInLayout(false)
-    , m_id(node->getIdAttribute())
-    , m_invalidationMask(0)
-    , m_registered(false)
-    , m_isInvalidating(false)
-{
-}
-
-RenderSVGResourceContainer::~RenderSVGResourceContainer()
-{
-}
-
-void RenderSVGResourceContainer::layout()
-{
-    // FIXME: Investigate a way to detect and break resource layout dependency cycles early.
-    // Then we can remove this method altogether, and fall back onto RenderSVGHiddenContainer::layout().
-    ASSERT(needsLayout());
-    if (m_isInLayout)
-        return;
-
-    TemporaryChange<bool> inLayoutChange(m_isInLayout, true);
-
-    RenderSVGHiddenContainer::layout();
-
-    clearInvalidationMask();
-}
-
-void RenderSVGResourceContainer::willBeDestroyed()
-{
-    SVGResourcesCache::resourceDestroyed(this);
-    RenderSVGHiddenContainer::willBeDestroyed();
-    if (m_registered)
-        svgExtensionsFromElement(element()).removeResource(m_id);
-}
-
-void RenderSVGResourceContainer::styleDidChange(StyleDifference diff, const LayoutStyle* oldStyle)
-{
-    RenderSVGHiddenContainer::styleDidChange(diff, oldStyle);
-
-    if (!m_registered) {
-        m_registered = true;
-        registerResource();
-    }
-}
-
-void RenderSVGResourceContainer::idChanged()
-{
-    // Invalidate all our current clients.
-    removeAllClientsFromCache();
-
-    // Remove old id, that is guaranteed to be present in cache.
-    SVGDocumentExtensions& extensions = svgExtensionsFromElement(element());
-    extensions.removeResource(m_id);
-    m_id = element()->getIdAttribute();
-
-    registerResource();
-}
-
-void RenderSVGResourceContainer::markAllClientsForInvalidation(InvalidationMode mode)
-{
-    if ((m_clients.isEmpty() && m_clientLayers.isEmpty()) || m_isInvalidating)
-        return;
-
-    if (m_invalidationMask & mode)
-        return;
-
-    m_invalidationMask |= mode;
-    m_isInvalidating = true;
-    bool needsLayout = mode == LayoutAndBoundariesInvalidation;
-    bool markForInvalidation = mode != ParentOnlyInvalidation;
-
-    HashSet<LayoutObject*>::iterator end = m_clients.end();
-    for (HashSet<LayoutObject*>::iterator it = m_clients.begin(); it != end; ++it) {
-        LayoutObject* client = *it;
-        if (client->isSVGResourceContainer()) {
-            toRenderSVGResourceContainer(client)->removeAllClientsFromCache(markForInvalidation);
-            continue;
-        }
-
-        if (markForInvalidation)
-            markClientForInvalidation(client, mode);
-
-        RenderSVGResourceContainer::markForLayoutAndParentResourceInvalidation(client, needsLayout);
-    }
-
-    markAllClientLayersForInvalidation();
-
-    m_isInvalidating = false;
-}
-
-void RenderSVGResourceContainer::markAllClientLayersForInvalidation()
-{
-    HashSet<Layer*>::iterator layerEnd = m_clientLayers.end();
-    for (HashSet<Layer*>::iterator it = m_clientLayers.begin(); it != layerEnd; ++it)
-        (*it)->filterNeedsPaintInvalidation();
-}
-
-void RenderSVGResourceContainer::markClientForInvalidation(LayoutObject* client, InvalidationMode mode)
-{
-    ASSERT(client);
-    ASSERT(!m_clients.isEmpty());
-
-    switch (mode) {
-    case LayoutAndBoundariesInvalidation:
-    case BoundariesInvalidation:
-        client->setNeedsBoundariesUpdate();
-        break;
-    case PaintInvalidation:
-        client->setShouldDoFullPaintInvalidation();
-        break;
-    case ParentOnlyInvalidation:
-        break;
-    }
-}
-
-void RenderSVGResourceContainer::addClient(LayoutObject* client)
-{
-    ASSERT(client);
-    m_clients.add(client);
-    clearInvalidationMask();
-}
-
-void RenderSVGResourceContainer::removeClient(LayoutObject* client)
-{
-    ASSERT(client);
-    removeClientFromCache(client, false);
-    m_clients.remove(client);
-}
-
-void RenderSVGResourceContainer::addClientLayer(Node* node)
-{
-    ASSERT(node);
-    if (!node->renderer() || !node->renderer()->hasLayer())
-        return;
-    m_clientLayers.add(toLayoutLayerModelObject(node->renderer())->layer());
-    clearInvalidationMask();
-}
-
-void RenderSVGResourceContainer::addClientLayer(Layer* client)
-{
-    ASSERT(client);
-    m_clientLayers.add(client);
-    clearInvalidationMask();
-}
-
-void RenderSVGResourceContainer::removeClientLayer(Layer* client)
-{
-    ASSERT(client);
-    m_clientLayers.remove(client);
-}
-
-void RenderSVGResourceContainer::invalidateCacheAndMarkForLayout(SubtreeLayoutScope* layoutScope)
-{
-    if (selfNeedsLayout())
-        return;
-
-    setNeedsLayoutAndFullPaintInvalidation(MarkContainingBlockChain, layoutScope);
-
-    if (everHadLayout())
-        removeAllClientsFromCache();
-}
-
-void RenderSVGResourceContainer::registerResource()
-{
-    SVGDocumentExtensions& extensions = svgExtensionsFromElement(element());
-    if (!extensions.hasPendingResource(m_id)) {
-        extensions.addResource(m_id, this);
-        return;
-    }
-
-    OwnPtrWillBeRawPtr<SVGDocumentExtensions::SVGPendingElements> clients(extensions.removePendingResource(m_id));
-
-    // Cache us with the new id.
-    extensions.addResource(m_id, this);
-
-    // Update cached resources of pending clients.
-    const SVGDocumentExtensions::SVGPendingElements::const_iterator end = clients->end();
-    for (SVGDocumentExtensions::SVGPendingElements::const_iterator it = clients->begin(); it != end; ++it) {
-        ASSERT((*it)->hasPendingResources());
-        extensions.clearHasPendingResourcesIfPossible(*it);
-        LayoutObject* renderer = (*it)->renderer();
-        if (!renderer)
-            continue;
-
-        StyleDifference diff;
-        diff.setNeedsFullLayout();
-        SVGResourcesCache::clientStyleChanged(renderer, diff, renderer->styleRef());
-        renderer->setNeedsLayoutAndFullPaintInvalidation();
-    }
-}
-
-static inline void removeFromCacheAndInvalidateDependencies(LayoutObject* object, bool needsLayout)
-{
-    ASSERT(object);
-    if (SVGResources* resources = SVGResourcesCache::cachedResourcesForLayoutObject(object)) {
-        if (RenderSVGResourceFilter* filter = resources->filter())
-            filter->removeClientFromCache(object);
-
-        if (RenderSVGResourceMasker* masker = resources->masker())
-            masker->removeClientFromCache(object);
-
-        if (RenderSVGResourceClipper* clipper = resources->clipper())
-            clipper->removeClientFromCache(object);
-    }
-
-    if (!object->node() || !object->node()->isSVGElement())
-        return;
-    SVGElementSet* dependencies = toSVGElement(object->node())->setOfIncomingReferences();
-    if (!dependencies)
-        return;
-
-    // We allow cycles in SVGDocumentExtensions reference sets in order to avoid expensive
-    // reference graph adjustments on changes, so we need to break possible cycles here.
-    // This strong reference is safe, as it is guaranteed that this set will be emptied
-    // at the end of recursion.
-    typedef WillBeHeapHashSet<RawPtrWillBeMember<SVGElement> > SVGElementSet;
-    DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<SVGElementSet>, invalidatingDependencies, (adoptPtrWillBeNoop(new SVGElementSet)));
-
-    SVGElementSet::iterator end = dependencies->end();
-    for (SVGElementSet::iterator it = dependencies->begin(); it != end; ++it) {
-        if (LayoutObject* renderer = (*it)->renderer()) {
-            if (UNLIKELY(!invalidatingDependencies->add(*it).isNewEntry)) {
-                // Reference cycle: we are in process of invalidating this dependant.
-                continue;
-            }
-
-            RenderSVGResourceContainer::markForLayoutAndParentResourceInvalidation(renderer, needsLayout);
-            invalidatingDependencies->remove(*it);
-        }
-    }
-}
-
-void RenderSVGResourceContainer::markForLayoutAndParentResourceInvalidation(LayoutObject* object, bool needsLayout)
-{
-    ASSERT(object);
-    ASSERT(object->node());
-
-    if (needsLayout && !object->documentBeingDestroyed())
-        object->setNeedsLayoutAndFullPaintInvalidation();
-
-    removeFromCacheAndInvalidateDependencies(object, needsLayout);
-
-    // Invalidate resources in ancestor chain, if needed.
-    LayoutObject* current = object->parent();
-    while (current) {
-        removeFromCacheAndInvalidateDependencies(current, needsLayout);
-
-        if (current->isSVGResourceContainer()) {
-            // This will process the rest of the ancestors.
-            toRenderSVGResourceContainer(current)->removeAllClientsFromCache();
-            break;
-        }
-
-        current = current->parent();
-    }
-}
-
-}