Moved files under Source/bindings/v8 to Source/bindings/core/v8.

Source/bindings/v8/ScriptEventListener.cpp

-/*
- * Copyright (C) 2009 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/v8/ScriptEventListener.h"
-
-#include "bindings/v8/ScriptController.h"
-#include "bindings/v8/ScriptState.h"
-#include "bindings/v8/V8AbstractEventListener.h"
-#include "bindings/v8/V8Binding.h"
-#include "bindings/v8/V8WindowShell.h"
-#include "core/dom/Document.h"
-#include "core/dom/DocumentParser.h"
-#include "core/dom/QualifiedName.h"
-#include "core/events/EventListener.h"
-#include "core/frame/LocalFrame.h"
-#include <v8.h>
-
-namespace WebCore {
-
-PassRefPtr<V8LazyEventListener> createAttributeEventListener(Node* node, const QualifiedName& name, const AtomicString& value, const AtomicString& eventParameterName)
-{
-    ASSERT(node);
-    if (value.isNull())
-        return nullptr;
-
-    // FIXME: Very strange: we initialize zero-based number with '1'.
-    TextPosition position(OrdinalNumber::fromZeroBasedInt(1), OrdinalNumber::first());
-    String sourceURL;
-
-    v8::Isolate* isolate;
-    if (LocalFrame* frame = node->document().frame()) {
-        isolate = toIsolate(frame);
-        ScriptController& scriptController = frame->script();
-        if (!scriptController.canExecuteScripts(AboutToExecuteScript))
-            return nullptr;
-        position = scriptController.eventHandlerPosition();
-        sourceURL = node->document().url().string();
-    } else {
-        isolate = v8::Isolate::GetCurrent();
-    }
-
-    return V8LazyEventListener::create(name.localName(), eventParameterName, value, sourceURL, position, node, isolate);
-}
-
-PassRefPtr<V8LazyEventListener> createAttributeEventListener(LocalFrame* frame, const QualifiedName& name, const AtomicString& value, const AtomicString& eventParameterName)
-{
-    if (!frame)
-        return nullptr;
-
-    if (value.isNull())
-        return nullptr;
-
-    ScriptController& scriptController = frame->script();
-    if (!scriptController.canExecuteScripts(AboutToExecuteScript))
-        return nullptr;
-
-    TextPosition position = scriptController.eventHandlerPosition();
-    String sourceURL = frame->document()->url().string();
-
-    return V8LazyEventListener::create(name.localName(), eventParameterName, value, sourceURL, position, 0, toIsolate(frame));
-}
-
-static v8::Handle<v8::Function> eventListenerEffectiveFunction(v8::Isolate* isolate, v8::Handle<v8::Object> listenerObject)
-{
-    v8::Handle<v8::Function> function;
-    if (listenerObject->IsFunction()) {
-        function = v8::Handle<v8::Function>::Cast(listenerObject);
-    } else if (listenerObject->IsObject()) {
-        // Try the "handleEvent" method (EventListener interface).
-        v8::Handle<v8::Value> property = listenerObject->Get(v8AtomicString(isolate, "handleEvent"));
-        if (property.IsEmpty() || !property->IsFunction()) {
-            // Fall back to the "constructor" property.
-            property = listenerObject->Get(v8AtomicString(isolate, "constructor"));
-        }
-        if (!property.IsEmpty() && property->IsFunction())
-            function = v8::Handle<v8::Function>::Cast(property);
-    }
-    return function;
-}
-
-String eventListenerHandlerBody(Document* document, EventListener* listener)
-{
-    if (listener->type() != EventListener::JSEventListenerType)
-        return "";
-
-    v8::HandleScope scope(toIsolate(document));
-    V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListener*>(listener);
-    v8::Handle<v8::Context> context = toV8Context(document, v8Listener->world());
-    v8::Context::Scope contextScope(context);
-    v8::Handle<v8::Object> object = v8Listener->getListenerObject(document);
-    if (object.IsEmpty())
-        return "";
-    v8::Handle<v8::Function> function = eventListenerEffectiveFunction(scope.GetIsolate(), object);
-    if (function.IsEmpty())
-        return "";
-
-    TOSTRING_DEFAULT(V8StringResource<WithNullCheck>, functionString, function, "");
-    return functionString;
-}
-
-ScriptValue eventListenerHandler(Document* document, EventListener* listener)
-{
-    if (listener->type() != EventListener::JSEventListenerType)
-        return ScriptValue();
-
-    v8::Isolate* isolate = toIsolate(document);
-    v8::HandleScope scope(isolate);
-    V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListener*>(listener);
-    v8::Handle<v8::Context> context = toV8Context(document, v8Listener->world());
-    v8::Context::Scope contextScope(context);
-    v8::Handle<v8::Object> function = v8Listener->getListenerObject(document);
-    if (function.IsEmpty())
-        return ScriptValue();
-    return ScriptValue(ScriptState::from(context), function);
-}
-
-ScriptState* eventListenerHandlerScriptState(LocalFrame* frame, EventListener* listener)
-{
-    if (listener->type() != EventListener::JSEventListenerType)
-        return 0;
-    V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListener*>(listener);
-    v8::HandleScope scope(toIsolate(frame));
-    v8::Handle<v8::Context> v8Context = frame->script().windowShell(v8Listener->world())->context();
-    return ScriptState::from(v8Context);
-}
-
-bool eventListenerHandlerLocation(Document* document, EventListener* listener, String& sourceName, String& scriptId, int& lineNumber)
-{
-    if (listener->type() != EventListener::JSEventListenerType)
-        return false;
-
-    v8::HandleScope scope(toIsolate(document));
-    V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListener*>(listener);
-    v8::Handle<v8::Context> context = toV8Context(document, v8Listener->world());
-    v8::Context::Scope contextScope(context);
-    v8::Local<v8::Object> object = v8Listener->getListenerObject(document);
-    if (object.IsEmpty())
-        return false;
-    v8::Handle<v8::Function> function = eventListenerEffectiveFunction(scope.GetIsolate(), object);
-    if (function.IsEmpty())
-        return false;
-    v8::Handle<v8::Function> originalFunction = getBoundFunction(function);
-    int scriptIdValue = originalFunction->ScriptId();
-    scriptId = String::number(scriptIdValue);
-    v8::ScriptOrigin origin = originalFunction->GetScriptOrigin();
-    if (!origin.ResourceName().IsEmpty() && origin.ResourceName()->IsString())
-        sourceName = toCoreString(origin.ResourceName().As<v8::String>());
-    else
-        sourceName = "";
-    lineNumber = originalFunction->GetScriptLineNumber();
-    return true;
-}
-
-} // namespace WebCore