Added Dartium changes onto 45.0.2454.104

Source/bindings/core/dart/DartController.h

+// Copyright 2011, 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 DartController_h
+#define DartController_h
+
+#include "bindings/core/v8/ScriptSourceCode.h"
+#include "wtf/Deque.h"
+#include "wtf/HashMap.h"
+#include "wtf/Vector.h"
+#include "wtf/text/WTFString.h"
+
+#include <dart_api.h>
+#include <v8.h>
+
+struct NPObject;
+
+namespace blink {
+
+class DartApplicationLoader;
+class DartDOMData;
+class DartScriptInfo;
+class DartScriptState;
+class Document;
+class ExecutionContext;
+class LocalDOMWindow;
+class LocalFrame;
+class ScriptLoader;
+class ScriptState;
+class V8ScriptState;
+
+typedef HashMap<intptr_t, RefPtr<DartScriptState> > LibraryIdMap;
+typedef HashMap<Dart_Isolate, LibraryIdMap*> ScriptStatesMap;
+
+// This class provides the linkage between a LocalFrame and its attached
+// Dart isolates. It is similar to ScriptController for JavaScript.
+// The DartController is owned by its LocalFrame.
+class DartController {
+public:
+    DartController(LocalFrame*);
+    virtual ~DartController();
+
+    void evaluate(const ScriptSourceCode&, ScriptLoader* = 0);
+
+    // Exposes NPObject instance to Dart environment.
+    void bindToWindowObject(LocalFrame*, const String& key, NPObject*);
+    NPObject* npObject(const String& key);
+
+    void clearWindowShell();
+    void clearScriptObjects();
+
+    Dart_Handle callFunction(Dart_Handle function, int argc, Dart_Handle* argv);
+
+    LocalFrame* frame() const { return m_frame; }
+    void collectScriptStates(V8ScriptState*, Vector<DartScriptState*>& result);
+    void collectScriptStatesForIsolate(Dart_Isolate, v8::Handle<v8::Context> v8Context, Vector<DartScriptState*>& result);
+    DartScriptState* lookupScriptState(Dart_Isolate, v8::Handle<v8::Context> v8Context, intptr_t libraryId);
+
+    static DartController* retrieve(LocalFrame*);
+    static DartController* retrieve(ExecutionContext*);
+
+    bool isActive() { return !m_isolates.isEmpty(); }
+
+    void spawnDomUri(const String& uri);
+    void spawnHelperDomIsolate(const String& libraryUrl, const String& entryPoint, DartDOMData* parentDOMData, Dart_Port replyTo);
+
+private:
+    const char* ExpirationMessage = "This version of Dartium has expired.\n\n"
+        "Please download the latest version at https://www.dartlang.org/tools/dartium";
+
+    static void initVMIfNeeded();
+
+    static Dart_Isolate createIsolate(const char* scriptURL, const char* entryPoint, const char* packageRoot, Dart_IsolateFlags*,
+        Document*, bool isDOMEnabled, bool isDebuggerEnabled, char** errorMessage);
+    void shutdownIsolate(Dart_Isolate);
+
+    Dart_Isolate createDOMEnabledIsolate(const String& scriptURL, const String& entryPoint, const char* packageRoot, Document*);
+    void scheduleScriptExecution(const String&, Dart_Isolate, PassRefPtr<DartScriptInfo>);
+    void loadAndRunScript(const String&, Dart_Isolate, PassRefPtr<DartScriptInfo>);
+    static void shutdownIsolateCallback(void* data);
+    static Dart_Isolate createPureIsolateCallback(const char* prefix, const char* main, const char* packageRoot, Dart_IsolateFlags*, void* callbackData, char** errorMsg);
+
+    static void weakCallback(void* isolateCallbackData, Dart_WeakPersistentHandle, void* peer);
+
+    LibraryIdMap* libraryIdMapForIsolate(Dart_Isolate);
+    DartScriptState* lookupScriptStateFromLibraryIdMap(Dart_Isolate, v8::Handle<v8::Context>, LibraryIdMap*, intptr_t libraryId);
+
+    String isolateName(Dart_Isolate);
+    // The frame that owns this controller.
+    LocalFrame* m_frame;
+
+    // Isolate associated with scripts in this document.
+    Vector<Dart_Isolate> m_isolates;
+    typedef HashMap<Dart_Isolate, RefPtr<DartApplicationLoader> > DartApplicationLoaderMap;
+
+    DartApplicationLoaderMap m_loaders;
+    RefPtr<DartApplicationLoader> m_mainLoader;
+    HashMap<Dart_Isolate, String> m_isolateNames;
+    HashSet<String> m_usedNames;
+
+    ScriptStatesMap m_scriptStates;
+
+    typedef HashMap<String, NPObject*> NPObjectMap;
+    NPObjectMap m_npObjectMap;
+
+    friend class DartDomLoadCallback;
+    friend class DartScriptRunner;
+    friend class DartService;
+};
+
+}
+
+#endif // DartController_h