Remove bindings-dart

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

Index: sky/engine/bindings-dart/core/dart/DartEventListener.cpp
diff --git a/sky/engine/bindings-dart/core/dart/DartEventListener.cpp b/sky/engine/bindings-dart/core/dart/DartEventListener.cpp
deleted file mode 100644
index 04d5d77d39b74066415aa005f09f177b4b09e6db..0000000000000000000000000000000000000000
--- a/sky/engine/bindings-dart/core/dart/DartEventListener.cpp
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * Copyright (C) 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.
- */
-
-#include "config.h"
-#include "bindings/core/dart/DartEventListener.h"
-
-#include "bindings/core/dart/DartController.h"
-#include "bindings/core/dart/DartDOMData.h"
-#include "bindings/core/dart/DartEvent.h"
-#include "bindings/core/dart/DartUtilities.h"
-#include "core/dom/ExecutionContext.h"
-#include "core/events/BeforeUnloadEvent.h"
-
-namespace blink {
-
-DartEventListener::DartEventListener()
-    : EventListener(static_cast<EventListener::Type>(DartEventListenerType))
-    , m_isolate(0)
-    , m_listener(0)
-{
-}
-
-DartEventListener::~DartEventListener()
-{
-    ASSERT(!m_listener);
-}
-
-DartEventListener* DartEventListener::createOrFetch(Dart_Handle closure)
-{
-    ASSERT(Dart_IsClosure(closure));
-    void* peer;
-    Dart_Handle ALLOW_UNUSED result = Dart_GetPeer(closure, &peer);
-    ASSERT(!Dart_IsError(result));
-    DartEventListener* existingListener = static_cast<DartEventListener*>(peer);
-    if (existingListener)
-        return existingListener;
-
-    RefPtr<DartEventListener> listener = adoptRef(new DartEventListener());
-    DartEventListener* listenerObj = listener.get();
-    intptr_t peerSize = sizeof(*listenerObj);
-    listener->m_isolate = Dart_CurrentIsolate();
-    listener->m_listener = Dart_NewPrologueWeakPersistentHandle(closure, listenerObj, peerSize, &weakCallback);
-    result = Dart_SetPeer(closure, listenerObj);
-    ASSERT(!Dart_IsError(result));
-    listener->ref();
-    return listenerObj;
-}
-
-void DartEventListener::weakCallback(void* isolateCallbackData, Dart_WeakPersistentHandle handle, void* peer)
-{
-    DartEventListener* listener = static_cast<DartEventListener*>(peer);
-    listener->m_listener = 0;
-    listener->deref();
-}
-
-void DartEventListener::handleEvent(ExecutionContext* context, Event* event)
-{
-    if (!m_listener)
-        return;
-
-    // Don't reenter Dart if execution was terminated in this instance of Dart.
-    // FIXME: we probably need isDartExecutionForbidden.
-    if (context->isJSExecutionForbidden())
-        return;
-
-    ASSERT(event);
-
-    DartIsolateScope scope(m_isolate);
-    DartApiScope apiScope;
-
-    // The callback function on XMLHttpRequest can clear the event listener and destroys 'this' object. Keep a local reference to it.
-    // See issue 889829.
-    RefPtr<DartEventListener> protect(this);
-    // Keep a strong handle to the listener.
-    Dart_Handle listener = Dart_HandleFromWeakPersistent(m_listener);
-
-    // Get the Dart wrapper for the event object.
-    Dart_Handle dartEvent = DartEvent::toDart(event);
-    ASSERT(dartEvent);
-
-    // FIXME: consider if DateExtension manipulations are necessary and if yes (most probably),
-    // factor out common logic. For example by introducing EventProcessScope RAII to manage DateExtension.
-    Dart_Handle result = callListenerFunction(context, listener, dartEvent);
-    if (Dart_IsError(result)) {
-        DartUtilities::reportProblem(context, result);
-        return;
-    }
-
-    if (Dart_IsString(result)) {
-        if (event->isBeforeUnloadEvent())
-            toBeforeUnloadEvent(event)->setReturnValue(DartUtilities::toString(result));
-    }
-}
-
-EventListener* DartEventListener::toNative(Dart_Handle handle, Dart_Handle& exception)
-{
-    if (Dart_IsNull(handle)) {
-        exception = Dart_NewStringFromCString("Null passed where Dart closure is expected");
-        return 0;
-    }
-
-    if (!Dart_IsClosure(handle)) {
-        exception = Dart_NewStringFromCString("Not a Dart closure passed");
-        return 0;
-    }
-
-    return createOrFetch(handle);
-}
-
-Dart_Handle DartEventListener::callListenerFunction(ExecutionContext* context, Dart_Handle listener, Dart_Handle dartEvent)
-{
-    ASSERT(listener);
-
-    DartController* dartController = DartController::retrieve(context);
-    if (!dartController)
-        return Dart_NewApiError("Internal error: failed to fetch Dart controller");
-
-    Dart_Handle parameters[1] = { dartEvent };
-    return dartController->callFunction(listener, 1, parameters);
-}
-
-}