src/third_party/blink/Source/bindings/core/v8/custom/V8HTMLDocumentCustom.cpp

/*
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 *
 * 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.
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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
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#include "config.h"
#include "bindings/core/v8/V8HTMLDocument.h"

#include "bindings/core/v8/ScriptController.h"
#include "bindings/core/v8/V8Binding.h"
#include "bindings/core/v8/V8HTMLAllCollection.h"
#include "bindings/core/v8/V8HTMLCollection.h"
#include "bindings/core/v8/V8Node.h"
#include "bindings/core/v8/V8Window.h"
#include "core/HTMLNames.h"
#include "core/frame/LocalFrame.h"
#include "core/html/HTMLAllCollection.h"
#include "core/html/HTMLCollection.h"
#include "core/html/HTMLDocument.h"
#include "core/html/HTMLIFrameElement.h"
#include "wtf/OwnPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/StdLibExtras.h"

namespace blink {

// HTMLDocument ----------------------------------------------------------------

void V8HTMLDocument::openMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
    HTMLDocument* htmlDocument = V8HTMLDocument::toImpl(info.Holder());

    if (info.Length() > 2) {
        if (RefPtrWillBeRawPtr<LocalFrame> frame = htmlDocument->frame()) {
            // Fetch the global object for the frame.
            v8::Local<v8::Context> context = toV8Context(frame.get(), DOMWrapperWorld::current(info.GetIsolate()));
            // Bail out if we cannot get the context.
            if (context.IsEmpty())
                return;
            v8::Local<v8::Object> global = context->Global();
            // Get the open property of the global object.
            v8::Local<v8::Value> function = global->Get(v8AtomicString(info.GetIsolate(), "open"));
            // Failed; return without throwing (new) exception.
            if (function.IsEmpty())
                return;
            // If the open property is not a function throw a type error.
            if (!function->IsFunction()) {
                V8ThrowException::throwTypeError("open is not a function", info.GetIsolate());
                return;
            }
            // Wrap up the arguments and call the function.
            OwnPtr<v8::Local<v8::Value>[]> params = adoptArrayPtr(new v8::Local<v8::Value>[info.Length()]);
            for (int i = 0; i < info.Length(); i++)
                params[i] = info[i];

            v8SetReturnValue(info, frame->script().callFunction(v8::Local<v8::Function>::Cast(function), global, info.Length(), params.get()));
            return;
        }
    }

    ExceptionState exceptionState(ExceptionState::ExecutionContext, "open", "Document", info.Holder(), info.GetIsolate());
    htmlDocument->open(callingDOMWindow(info.GetIsolate())->document(), exceptionState);
    if (exceptionState.throwIfNeeded())
        return;

    v8SetReturnValue(info, info.Holder());
}

} // namespace blink