Remove bindings-dart

sky/engine/bindings-dart/core/dart/DartGCController.cpp

Index: sky/engine/bindings-dart/core/dart/DartGCController.cpp
diff --git a/sky/engine/bindings-dart/core/dart/DartGCController.cpp b/sky/engine/bindings-dart/core/dart/DartGCController.cpp
deleted file mode 100644
index 04e36b9bba04e2287cb3b5c4536ec4ddf7d23db3..0000000000000000000000000000000000000000
--- a/sky/engine/bindings-dart/core/dart/DartGCController.cpp
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- * Copyright (C) 2012 Google 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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 THE COPYRIGHT
- * OWNER 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 "bindings/core/dart/DartGCController.h"
-
-#include "core/HTMLNames.h"
-#include "bindings/core/dart/DartDOMData.h"
-#include "bindings/core/dart/DartDOMWrapper.h"
-#include "bindings/core/dart/DartEventListener.h"
-#include "bindings/core/dart/DartUtilities.h"
-#include "core/dom/ActiveDOMObject.h"
-#include "core/dom/Attr.h"
-#include "core/dom/Document.h"
-#include "core/dom/Node.h"
-#include "core/frame/LocalDOMWindow.h"
-#include "core/html/HTMLImageElement.h"
-
-#include <wtf/Vector.h>
-
-namespace blink {
-
-typedef HashMap<Node*, Dart_WeakReferenceSet> WeakReferenceSetForRootMap;
-
-static Node* calculateRootNode(Node*);
-static void collectEventListenerWrappers(EventTarget*, Dart_WeakReferenceSet);
-
-static void createWeakReferenceSetForNode(
-    DartDOMData* domData,
-    Dart_WeakReferenceSetBuilder setBuilder,
-    Node* node,
-    Dart_WeakPersistentHandle wrapper,
-    WeakReferenceSetForRootMap* weakReferenceSetForRootMap)
-{
-    Dart_WeakReferenceSet weakReferenceSet = 0;
-    ASSERT(node);
-
-    Node* root = 0;
-    if (node->inDocument() || (node->hasTagName(HTMLNames::imgTag) && static_cast<HTMLImageElement*>(node)->hasPendingActivity())) {
-        root = &node->document();
-    } else {
-        root = calculateRootNode(node);
-        if (!root)
-            return;
-    }
-    ASSERT(root);
-
-    Document* document = static_cast<Document*>(domData->scriptExecutionContext());
-    if (root == document) {
-        weakReferenceSet = domData->documentWeakReferenceSet();
-        Dart_AppendToWeakReferenceSet(weakReferenceSet, wrapper, wrapper);
-    } else {
-        WeakReferenceSetForRootMap::const_iterator weakReferenceSetIterator = weakReferenceSetForRootMap->find(root);
-        if (weakReferenceSetIterator != weakReferenceSetForRootMap->end()) {
-            weakReferenceSet = weakReferenceSetIterator->value;
-            Dart_AppendToWeakReferenceSet(weakReferenceSet, wrapper, wrapper);
-        }
-        else {
-            weakReferenceSet = Dart_NewWeakReferenceSet(setBuilder, wrapper, wrapper);
-            weakReferenceSetForRootMap->set(root, weakReferenceSet);
-        }
-    }
-    EventTarget* eventTarget = node;
-    if (eventTarget->hasEventListeners())
-        collectEventListenerWrappers(node, weakReferenceSet);
-}
-
-static void collectRetainedActiveDOMObjectWrappers(DartDOMData* domData, Dart_WeakReferenceSet set)
-{
-    DartMessagePortMap* messagePortMap = domData->messagePortMap();
-    for (DartMessagePortMap::const_iterator it = messagePortMap->begin(); it != messagePortMap->end(); ++it) {
-        MessagePort* messagePort = it->key;
-        if (messagePort->isEntangled() || messagePort->hasPendingActivity()) {
-            Dart_AppendValueToWeakReferenceSet(set, it->value);
-        }
-    }
-}
-
-static Node* calculateRootNode(Node* node)
-{
-    Node* root = node;
-    if (node->isAttributeNode()) {
-        root = static_cast<Attr*>(node)->ownerElement();
-        // If the attribute has no element, no need to put it in the group,
-        // because it'll always be a group of 1.
-        if (!root)
-            return 0;
-    } else {
-        while (Node* parent = root->parentOrShadowHostOrTemplateHostNode())
-            root = parent;
-    }
-    return root;
-}
-
-static void collectEventListenerWrappers(EventTarget* eventTarget, Dart_WeakReferenceSet weakReferenceSet)
-{
-    EventListenerIterator iterator(eventTarget);
-    while (EventListener* listener = iterator.nextListener()) {
-        if (static_cast<int>(listener->type()) != DartEventListenerType)
-            continue;
-        DartEventListener* dartListener = static_cast<DartEventListener*>(listener);
-        if (dartListener->isolate() != Dart_CurrentIsolate())
-            continue;
-        Dart_AppendValueToWeakReferenceSet(weakReferenceSet, dartListener->listenerObject());
-    }
-}
-
-void DartGCController::prologueCallback()
-{
-    Dart_EnterScope();
-
-    DartDOMData* domData = DartDOMData::current();
-    ASSERT(domData->isDOMEnabled());
-    ASSERT(domData->reachableWeakHandle());
-
-    // Setup weak reference set builder.
-    Dart_WeakReferenceSetBuilder setBuilder = Dart_NewWeakReferenceSetBuilder();
-    ASSERT(setBuilder);
-    domData->setWeakReferenceSetBuilder(setBuilder);
-
-    // Setup root <=> weak_reference_set map.
-    WeakReferenceSetForRootMap weakReferenceSetForRootMap;
-    domData->setWeakReferenceSetForRootMap(&weakReferenceSetForRootMap);
-
-    // Create dedicated weak reference set for a document.
-    // ActiveDOMObjects with pending activity and active Message ports
-    // will be added to this set.
-    ASSERT(domData->scriptExecutionContext()->isDocument());
-    Document* document = static_cast<Document*>(domData->scriptExecutionContext());
-    Dart_WeakReferenceSet documentWeakReferenceSet =
-        Dart_NewWeakReferenceSet(setBuilder, domData->reachableWeakHandle(), 0);
-    domData->setDocumentWeakReferenceSet(documentWeakReferenceSet);
-    weakReferenceSetForRootMap.set(document, documentWeakReferenceSet);
-
-    // Now visit all the prolog weak handles.
-    Dart_Handle ALLOW_UNUSED result = Dart_VisitPrologueWeakHandles(prologueWeakHandleCallback);
-    collectRetainedActiveDOMObjectWrappers(domData, documentWeakReferenceSet);
-}
-
-void DartGCController::epilogueCallback()
-{
-    Dart_ExitScope();
-}
-
-void DartGCController::prologueWeakHandleCallback(void* isolateCallbackData, Dart_WeakPersistentHandle obj, intptr_t numNativeFields, intptr_t* nativeFields)
-{
-    if (!numNativeFields)
-        return;
-    ASSERT(numNativeFields == DartDOMWrapper::NativeFieldCount);
-
-    DartDOMData* domData = reinterpret_cast<DartDOMData*>(isolateCallbackData);
-    ASSERT(domData->isDOMEnabled());
-
-    intptr_t cid = nativeFields[DartDOMWrapper::NativeTypeIndex];
-    void* nativeObject = reinterpret_cast<void*>(nativeFields[DartDOMWrapper::NativeImplementationIndex]);
-    const DartWrapperTypeInfo& typeInfo = DartWebkitClassInfo[cid];
-    ASSERT(typeInfo.toNode);
-    Node* node = typeInfo.toNode(nativeObject);
-    if (node) {
-        Dart_WeakReferenceSetBuilder setBuilder = domData->weakReferenceSetBuilder();
-        WeakReferenceSetForRootMap* weakReferenceSetForRootMap = domData->weakReferenceSetForRootMap();
-        createWeakReferenceSetForNode(domData, setBuilder, node, obj, weakReferenceSetForRootMap);
-        return;
-    }
-    ASSERT(typeInfo.toEventTarget);
-    EventTarget* eventTarget = typeInfo.toEventTarget(nativeObject);
-    if (eventTarget) {
-        if (eventTarget->hasEventListeners()) {
-            Dart_WeakReferenceSetBuilder setBuilder = domData->weakReferenceSetBuilder();
-            Dart_WeakReferenceSet set = Dart_NewWeakReferenceSet(setBuilder, obj, 0);
-
-            collectEventListenerWrappers(eventTarget, set);
-        }
-    }
-    ASSERT(typeInfo.toActiveDOMObject);
-    ActiveDOMObject* activeDOMObject = typeInfo.toActiveDOMObject(nativeObject);
-    if (activeDOMObject && activeDOMObject->hasPendingActivity()) {
-        Dart_WeakReferenceSet documentWeakReferenceSet = domData->documentWeakReferenceSet();
-        Dart_AppendValueToWeakReferenceSet(documentWeakReferenceSet, obj);
-    }
-}
-
-}