WebCore/bindings/v8/ScriptObjectQuarantine.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * 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
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#include "config.h"
#include "ScriptObjectQuarantine.h"

#include "Database.h"
#include "Document.h"
#include "DOMWindow.h"
#include "Frame.h"
#include "InspectorController.h"
#include "Page.h"
#include "ScriptObject.h"
#include "ScriptValue.h"
#include "Storage.h"

#include "V8Binding.h"
#include "V8Proxy.h"

#include <v8.h>

namespace WebCore {

ScriptValue quarantineValue(ScriptState* scriptState, const ScriptValue& value)
{
    return value;
}

bool getQuarantinedScriptObject(Database* database, ScriptObject& quarantinedObject)
{
    ASSERT(database);

#if ENABLE(DATABASE)
    v8::HandleScope handleScope;
    Frame* frame = database->document()->frame();
    if (!frame)
        return false;

    v8::Local<v8::Context> context = V8Proxy::context(frame);
    if (context.IsEmpty())
        return false;

    v8::Context::Scope scope(context);
    v8::Handle<v8::Value> v8Database = V8DOMWrapper::convertToV8Object(V8ClassIndex::DATABASE, database);
    ScriptState* scriptState = frame->page()->inspectorController()->frontendScriptState();
    quarantinedObject = ScriptObject(scriptState, v8::Local<v8::Object>(v8::Object::Cast(*v8Database)));
#else
    ASSERT_NOT_REACHED();
    quarantinedObject = ScriptObject();
#endif
    return true;
}

bool getQuarantinedScriptObject(Storage* storage, ScriptObject& quarantinedObject)
{
    ASSERT(storage);
    Frame* frame = storage->frame();
    ASSERT(frame);

#if ENABLE(DOM_STORAGE)
    v8::HandleScope handleScope;
    v8::Local<v8::Context> context = V8Proxy::context(frame);
    if (context.IsEmpty())
        return false;

    v8::Context::Scope scope(context);

    v8::Handle<v8::Value> v8Storage = V8DOMWrapper::convertToV8Object(V8ClassIndex::STORAGE, storage);
    ScriptState* scriptState = frame->page()->inspectorController()->frontendScriptState();
    quarantinedObject = ScriptObject(scriptState, v8::Local<v8::Object>(v8::Object::Cast(*v8Storage)));
#else
    ASSERT_NOT_REACHED();
    quarantinedObject = ScriptObject();
#endif
    return true;
}

bool getQuarantinedScriptObject(Node* node, ScriptObject& quarantinedObject)
{
    ASSERT(node);

    v8::HandleScope handleScope;
    // FIXME: What if document() is null?
    // FIXME: Why are we grabbing the mainFrame?
    Frame* frame = node->document()->page()->mainFrame();
    v8::Local<v8::Context> context = V8Proxy::context(frame);
    // FIXME: What if context.IsEmpty()?
    v8::Context::Scope scope(context);

    v8::Handle<v8::Value> v8Node = V8DOMWrapper::convertNodeToV8Object(node);
    ScriptState* scriptState = frame->page()->inspectorController()->frontendScriptState();
    quarantinedObject = ScriptObject(scriptState, v8::Local<v8::Object>(v8::Object::Cast(*v8Node)));

    return true;
}

bool getQuarantinedScriptObject(DOMWindow* domWindow, ScriptObject& quarantinedObject)
{
    ASSERT(domWindow);

    v8::HandleScope handleScope;
    Frame* frame = domWindow->frame();
    // FIXME: What if frame is null?
    v8::Local<v8::Context> context = V8Proxy::context(frame);
    // FIXME: What if context.IsEmpty()?
    v8::Context::Scope scope(context);

    v8::Handle<v8::Value> v8DomWindow = V8DOMWrapper::convertToV8Object(V8ClassIndex::DOMWINDOW, domWindow);
    ScriptState* scriptState = frame->page()->inspectorController()->frontendScriptState();
    quarantinedObject = ScriptObject(scriptState, v8::Local<v8::Object>(v8::Object::Cast(*v8DomWindow)));

    return true;
}


} // namespace WebCore