Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/core/dart/DartDOMData.h

+/*
+ * 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.
+ */
+
+#ifndef DartDOMData_h
+#define DartDOMData_h
+
+#include "bindings/core/dart/DartCustomElementBinding.h"
+#include "bindings/core/dart/DartJsInteropData.h"
+#include "bindings/core/dart/DartLibraryIds.h"
+#include "bindings/core/dart/DartScriptState.h"
+#include "bindings/core/dart/DartStringCache.h"
+#include "bindings/dart/DartWebkitClassIds.h"
+
+#include "wtf/HashMap.h"
+#include "wtf/HashSet.h"
+#include "wtf/RefPtr.h"
+#include "wtf/Threading.h"
+#include "wtf/ThreadingPrimitives.h"
+#include "wtf/Vector.h"
+#include "wtf/text/WTFString.h"
+
+#include <dart_api.h>
+
+namespace blink {
+
+class ActiveDOMObject;
+class CustomElementDefinition;
+class DartApplicationLoader;
+class DartEventListener;
+class DartIsolateDestructionObserver;
+class EventTarget;
+class ExecutionContext;
+class LocalDOMWindow;
+class MessagePort;
+class Node;
+class ThreadSafeDartIsolateWrapper;
+
+typedef HashMap<void*, Dart_WeakPersistentHandle> DartDOMObjectMap;
+typedef HashMap<MessagePort*, Dart_WeakPersistentHandle> DartMessagePortMap;
+typedef HashSet<DartIsolateDestructionObserver*> DartIsolateDestructionObservers;
+typedef HashMap<CustomElementDefinition*, OwnPtr<DartCustomElementBinding> > DartCustomElementBindingMap;
+typedef Dart_PersistentHandle ClassTable[NumWebkitClassIds];
+typedef Dart_PersistentHandle LibraryTable[NumDartLibraryIds];
+typedef HashMap<Node*, Dart_WeakReferenceSet> WeakReferenceSetForRootMap;
+
+class DartDOMData {
+public:
+    DartDOMData(ExecutionContext*, const char* scriptURL, bool isDOMEnabled);
+    ~DartDOMData();
+
+    static DartDOMData* current();
+
+    char* scriptURL() const { return m_scriptURL; }
+    ExecutionContext* scriptExecutionContext() { return m_scriptExecutionContext; }
+    bool isDOMEnabled() { return m_isDOMEnabled; }
+
+    // We track the Dart specific recursion level here as well as the global
+    // recursion level tracked by m_recursionScope due to dartbug.com/14183.
+    int* recursion() { return &m_recursion; }
+    DartStringCache& stringCache() { return m_stringCache; }
+
+    void setThreadSafeIsolateWrapper(PassRefPtr<ThreadSafeDartIsolateWrapper>);
+    PassRefPtr<ThreadSafeDartIsolateWrapper> threadSafeIsolateWrapper();
+
+    void setApplicationLoader(PassRefPtr<DartApplicationLoader>);
+    PassRefPtr<DartApplicationLoader> applicationLoader();
+
+    Vector<uint8_t>* applicationSnapshot() { return &m_applicationSnapshot; }
+
+    void setReachableWeakHandle(Dart_WeakPersistentHandle reachableWeakHandle)
+    {
+        m_reachableWeakHandle = reachableWeakHandle;
+    }
+    Dart_WeakPersistentHandle reachableWeakHandle() { return m_reachableWeakHandle; }
+
+    DartDOMObjectMap* objectMap() { return &m_objectMap; }
+    DartMessagePortMap* messagePortMap() { return &m_messagePortMap; }
+    DartIsolateDestructionObservers* isolateDestructionObservers()
+    {
+        return &m_isolateDestructionObservers;
+    }
+    ClassTable* classHandleCache() { return &m_classHandleCache; }
+
+    void addCustomElementBinding(CustomElementDefinition*, PassOwnPtr<DartCustomElementBinding>);
+    void clearCustomElementBinding(CustomElementDefinition*);
+    DartCustomElementBinding* customElementBinding(CustomElementDefinition*);
+
+    Dart_PersistentHandle library(int libraryId) const { return m_libraryHandleCache[libraryId]; }
+
+    Dart_PersistentHandle blinkLibrary() const
+    {
+        return m_libraryHandleCache[DartBlinkLibraryId];
+    }
+    void setBlinkLibrary(Dart_PersistentHandle lib)
+    {
+        m_libraryHandleCache[DartBlinkLibraryId] = lib;
+    }
+
+    Dart_PersistentHandle htmlLibrary() const
+    {
+        return m_libraryHandleCache[DartHtmlLibraryId];
+    }
+    void setHtmlLibrary(Dart_PersistentHandle lib)
+    {
+        m_libraryHandleCache[DartHtmlLibraryId] = lib;
+    }
+
+    Dart_PersistentHandle svgLibrary()
+    {
+        Dart_PersistentHandle lib = m_libraryHandleCache[DartSvgLibraryId];
+        if (!lib) {
+            lib = getLibrary(DartSvgLibraryId, "dart:svg");
+            m_libraryHandleCache[DartSvgLibraryId] = lib;
+        }
+        return lib;
+    }
+    void setSvgLibrary(Dart_PersistentHandle lib)
+    {
+        m_libraryHandleCache[DartSvgLibraryId] = lib;
+    }
+
+    Dart_PersistentHandle jsLibrary() const
+    {
+        return m_libraryHandleCache[DartJsLibraryId];
+    }
+    void setJsLibrary(Dart_PersistentHandle lib)
+    {
+        m_libraryHandleCache[DartJsLibraryId] = lib;
+    }
+
+    Dart_Handle emptyString() const
+    {
+        return Dart_EmptyString();
+    }
+
+    Dart_PersistentHandle functionType() const
+    {
+        return m_functionType;
+    }
+    void setFunctionType(Dart_PersistentHandle functionType)
+    {
+        m_functionType = functionType;
+    }
+
+    DartJsInteropData* jsInteropData()
+    {
+        return &m_jsInteropData;
+    }
+
+    DartScriptState* rootScriptState()
+    {
+        return m_rootScriptState;
+    }
+
+    void setRootScriptState(DartScriptState* scriptState)
+    {
+        m_rootScriptState = scriptState;
+    }
+
+    Dart_PersistentHandle currentException() const
+    {
+        return m_currentException;
+    }
+    void setCurrentException(Dart_PersistentHandle exception)
+    {
+        m_currentException = exception;
+    }
+
+    WeakReferenceSetForRootMap* weakReferenceSetForRootMap() const
+    {
+        return m_weakReferenceSetForRootMap;
+    }
+    void setWeakReferenceSetForRootMap(WeakReferenceSetForRootMap* map)
+    {
+        m_weakReferenceSetForRootMap = map;
+    }
+
+    Dart_WeakReferenceSet documentWeakReferenceSet() const
+    {
+        return m_documentWeakReferenceSet;
+    }
+    void setDocumentWeakReferenceSet(Dart_WeakReferenceSet set)
+    {
+        m_documentWeakReferenceSet = set;
+    }
+
+    Dart_WeakReferenceSetBuilder weakReferenceSetBuilder() const
+    {
+        return m_weakReferenceSetBuilder;
+    }
+    void setWeakReferenceSetBuilder(Dart_WeakReferenceSetBuilder setBuilder)
+    {
+        m_weakReferenceSetBuilder = setBuilder;
+    }
+
+    bool isObservatoryFakeDartDOMData() const
+    {
+        return m_isObservatoryFakeDartDOMData;
+    }
+    void setIsObservatoryFakeDartDOMData(bool isObservatoryFakeDartDOMData)
+    {
+        m_isObservatoryFakeDartDOMData = isObservatoryFakeDartDOMData;
+    }
+
+private:
+    Dart_PersistentHandle getLibrary(int libraryId, const char* name);
+
+    char* m_scriptURL;
+    ExecutionContext* m_scriptExecutionContext;
+    bool m_isDOMEnabled;
+    int m_recursion;
+    DartStringCache m_stringCache;
+    RefPtr<ThreadSafeDartIsolateWrapper> m_threadSafeIsolateWrapper;
+    Mutex m_isolateWrapperMutex;
+    RefPtr<DartApplicationLoader> m_applicationLoader;
+    Vector<uint8_t> m_applicationSnapshot;
+    Dart_WeakPersistentHandle m_reachableWeakHandle;
+
+    DartJsInteropData m_jsInteropData;
+    DartDOMObjectMap m_objectMap;
+    DartMessagePortMap m_messagePortMap;
+    DartIsolateDestructionObservers m_isolateDestructionObservers;
+    DartCustomElementBindingMap m_customElementBindings;
+    ClassTable m_classHandleCache;
+    LibraryTable m_libraryHandleCache;
+    Dart_PersistentHandle m_functionType;
+    Dart_PersistentHandle m_currentException;
+    DartScriptState* m_rootScriptState;
+
+    WeakReferenceSetForRootMap* m_weakReferenceSetForRootMap;
+    Dart_WeakReferenceSet m_documentWeakReferenceSet;
+    Dart_WeakReferenceSetBuilder m_weakReferenceSetBuilder;
+
+    // FIXME(dartbug.com/20303): remove this field once we support service
+    // isolates.
+    bool m_isObservatoryFakeDartDOMData;
+};
+
+}
+
+#endif // DartDOMData_h