Source/web/WebBindings.cpp

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This source file includes following definitions.
construct
createObject
enumerate
evaluate
evaluateHelper
getIntIdentifier
getProperty
getStringIdentifier
getStringIdentifiers
hasMethod
hasProperty
identifierIsString
intFromIdentifier
initializeVariantWithStringCopy
invoke
invokeDefault
releaseObject
releaseVariantValue
removeProperty
retainObject
setException
setProperty
registerObjectOwner
unregisterObjectOwner
getObjectOwner
unregisterObject
utf8FromIdentifier
extractIdentifierData
getRangeImpl
getNodeImpl
getElementImpl
getArrayBufferImpl
getArrayBufferViewImpl
makeIntArrayImpl
makeStringArrayImpl
getRange
getArrayBuffer
getArrayBufferView
getNode
getElement
makeIntArray
makeStringArray
pushExceptionHandler
popExceptionHandler
toNPVariant
toV8Value
/*
 * 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 "WebBindings.h"

#include "V8Element.h"
#include "V8Range.h"
#include "WebArrayBufferView.h"
#include "WebElement.h"
#include "WebRange.h"
#include "bindings/v8/NPV8Object.h"  // for PrivateIdentifier
#include "bindings/v8/ScriptController.h"
#include "bindings/v8/V8DOMWrapper.h"
#include "bindings/v8/V8NPUtils.h"
#include "bindings/v8/custom/V8ArrayBufferCustom.h"
#include "bindings/v8/custom/V8ArrayBufferViewCustom.h"
#include "bindings/v8/npruntime_impl.h"
#include "bindings/v8/npruntime_priv.h"
#include "core/dom/Range.h"
#include "core/frame/DOMWindow.h"
#include "core/frame/LocalFrame.h"
#include "public/platform/WebArrayBuffer.h"
#include "wtf/ArrayBufferView.h"

using namespace WebCore;

namespace blink {

bool WebBindings::construct(NPP npp, NPObject* object, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
    return _NPN_Construct(npp, object, args, argCount, result);
}

NPObject* WebBindings::createObject(NPP npp, NPClass* npClass)
{
    return _NPN_CreateObject(npp, npClass);
}

bool WebBindings::enumerate(NPP npp, NPObject* object, NPIdentifier** identifier, uint32_t* identifierCount)
{
    return _NPN_Enumerate(npp, object, identifier, identifierCount);
}

bool WebBindings::evaluate(NPP npp, NPObject* object, NPString* script, NPVariant* result)
{
    return _NPN_Evaluate(npp, object, script, result);
}

bool WebBindings::evaluateHelper(NPP npp, bool popupsAllowed, NPObject* object, NPString* script, NPVariant* result)
{
    return _NPN_EvaluateHelper(npp, popupsAllowed, object, script, result);
}

NPIdentifier WebBindings::getIntIdentifier(int32_t number)
{
    return _NPN_GetIntIdentifier(number);
}

bool WebBindings::getProperty(NPP npp, NPObject* object, NPIdentifier property, NPVariant* result)
{
    return _NPN_GetProperty(npp, object, property, result);
}

NPIdentifier WebBindings::getStringIdentifier(const NPUTF8* string)
{
    return _NPN_GetStringIdentifier(string);
}

void WebBindings::getStringIdentifiers(const NPUTF8** names, int32_t nameCount, NPIdentifier* identifiers)
{
    _NPN_GetStringIdentifiers(names, nameCount, identifiers);
}

bool WebBindings::hasMethod(NPP npp, NPObject* object, NPIdentifier method)
{
    return _NPN_HasMethod(npp, object, method);
}

bool WebBindings::hasProperty(NPP npp, NPObject* object, NPIdentifier property)
{
    return _NPN_HasProperty(npp, object, property);
}

bool WebBindings::identifierIsString(NPIdentifier identifier)
{
    return _NPN_IdentifierIsString(identifier);
}

int32_t WebBindings::intFromIdentifier(NPIdentifier identifier)
{
    return _NPN_IntFromIdentifier(identifier);
}

void WebBindings::initializeVariantWithStringCopy(NPVariant* variant, const NPString* value)
{
    _NPN_InitializeVariantWithStringCopy(variant, value);
}

bool WebBindings::invoke(NPP npp, NPObject* object, NPIdentifier method, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
    return _NPN_Invoke(npp, object, method, args, argCount, result);
}

bool WebBindings::invokeDefault(NPP npp, NPObject* object, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
    return _NPN_InvokeDefault(npp, object, args, argCount, result);
}

void WebBindings::releaseObject(NPObject* object)
{
    return _NPN_ReleaseObject(object);
}

void WebBindings::releaseVariantValue(NPVariant* variant)
{
    _NPN_ReleaseVariantValue(variant);
}

bool WebBindings::removeProperty(NPP npp, NPObject* object, NPIdentifier identifier)
{
    return _NPN_RemoveProperty(npp, object, identifier);
}

NPObject* WebBindings::retainObject(NPObject* object)
{
    return _NPN_RetainObject(object);
}

void WebBindings::setException(NPObject* object, const NPUTF8* message)
{
    _NPN_SetException(object, message);
}

bool WebBindings::setProperty(NPP npp, NPObject* object, NPIdentifier identifier, const NPVariant* value)
{
    return _NPN_SetProperty(npp, object, identifier, value);
}

void WebBindings::registerObjectOwner(NPP)
{
}

void WebBindings::unregisterObjectOwner(NPP)
{
}

NPP WebBindings::getObjectOwner(NPObject*)
{
    return 0;
}

void WebBindings::unregisterObject(NPObject* object)
{
    _NPN_UnregisterObject(object);
}

NPUTF8* WebBindings::utf8FromIdentifier(NPIdentifier identifier)
{
    return _NPN_UTF8FromIdentifier(identifier);
}

void WebBindings::extractIdentifierData(const NPIdentifier& identifier, const NPUTF8*& string, int32_t& number, bool& isString)
{
    PrivateIdentifier* data = static_cast<PrivateIdentifier*>(identifier);
    if (!data) {
        isString = false;
        number = 0;
        return;
    }

    isString = data->isString;
    if (isString)
        string = data->value.string;
    else
        number = data->value.number;
}

static bool getRangeImpl(NPObject* object, WebRange* webRange, v8::Isolate* isolate)
{
    if (!object)
        return false;

    V8NPObject* v8NPObject = npObjectToV8NPObject(object);
    if (!v8NPObject)
        return false;

    v8::HandleScope handleScope(isolate);
    v8::Handle<v8::Object> v8Object = v8::Local<v8::Object>::New(isolate, v8NPObject->v8Object);
    if (v8Object.IsEmpty())
        return false;
    if (!V8Range::wrapperTypeInfo.equals(toWrapperTypeInfo(v8Object)))
        return false;

    Range* native = V8Range::hasInstance(v8Object, isolate) ? V8Range::toNative(v8Object) : 0;
    if (!native)
        return false;

    *webRange = WebRange(native);
    return true;
}

static bool getNodeImpl(NPObject* object, WebNode* webNode, v8::Isolate* isolate)
{
    if (!object)
        return false;

    V8NPObject* v8NPObject = npObjectToV8NPObject(object);
    if (!v8NPObject)
        return false;

    v8::HandleScope handleScope(isolate);
    v8::Handle<v8::Object> v8Object = v8::Local<v8::Object>::New(isolate, v8NPObject->v8Object);
    if (v8Object.IsEmpty())
        return false;
    Node* native = V8Node::hasInstance(v8Object, isolate) ? V8Node::toNative(v8Object) : 0;
    if (!native)
        return false;

    *webNode = WebNode(native);
    return true;
}

static bool getElementImpl(NPObject* object, WebElement* webElement, v8::Isolate* isolate)
{
    if (!object)
        return false;

    V8NPObject* v8NPObject = npObjectToV8NPObject(object);
    if (!v8NPObject)
        return false;

    v8::HandleScope handleScope(isolate);
    v8::Handle<v8::Object> v8Object = v8::Local<v8::Object>::New(isolate, v8NPObject->v8Object);
    if (v8Object.IsEmpty())
        return false;
    Element* native = V8Element::hasInstance(v8Object, isolate) ? V8Element::toNative(v8Object) : 0;
    if (!native)
        return false;

    *webElement = WebElement(native);
    return true;
}

static bool getArrayBufferImpl(NPObject* object, WebArrayBuffer* arrayBuffer, v8::Isolate* isolate)
{
    if (!object)
        return false;

    V8NPObject* v8NPObject = npObjectToV8NPObject(object);
    if (!v8NPObject)
        return false;

    v8::HandleScope handleScope(isolate);
    v8::Handle<v8::Object> v8Object = v8::Local<v8::Object>::New(isolate, v8NPObject->v8Object);
    if (v8Object.IsEmpty())
        return false;
    ArrayBuffer* native = V8ArrayBuffer::hasInstance(v8Object, isolate) ? V8ArrayBuffer::toNative(v8Object) : 0;
    if (!native)
        return false;

    *arrayBuffer = WebArrayBuffer(native);
    return true;
}

static bool getArrayBufferViewImpl(NPObject* object, WebArrayBufferView* arrayBufferView, v8::Isolate* isolate)
{
    if (!object)
        return false;

    V8NPObject* v8NPObject = npObjectToV8NPObject(object);
    if (!v8NPObject)
        return false;

    v8::HandleScope handleScope(isolate);
    v8::Handle<v8::Object> v8Object = v8::Local<v8::Object>::New(isolate, v8NPObject->v8Object);
    if (v8Object.IsEmpty())
        return false;
    ArrayBufferView* native = V8ArrayBufferView::hasInstance(v8Object, isolate) ? V8ArrayBufferView::toNative(v8Object) : 0;
    if (!native)
        return false;

    *arrayBufferView = WebArrayBufferView(native);
    return true;
}

static NPObject* makeIntArrayImpl(const WebVector<int>& data, v8::Isolate* isolate)
{
    v8::HandleScope handleScope(isolate);
    v8::Handle<v8::Array> result = v8::Array::New(isolate, data.size());
    for (size_t i = 0; i < data.size(); ++i)
        result->Set(i, v8::Number::New(isolate, data[i]));

    DOMWindow* window = currentDOMWindow(isolate);
    return npCreateV8ScriptObject(0, result, window, isolate);
}

static NPObject* makeStringArrayImpl(const WebVector<WebString>& data, v8::Isolate* isolate)
{
    v8::HandleScope handleScope(isolate);
    v8::Handle<v8::Array> result = v8::Array::New(isolate, data.size());
    for (size_t i = 0; i < data.size(); ++i)
        result->Set(i, v8String(isolate, data[i]));

    DOMWindow* window = currentDOMWindow(isolate);
    return npCreateV8ScriptObject(0, result, window, isolate);
}

bool WebBindings::getRange(NPObject* range, WebRange* webRange)
{
    return getRangeImpl(range, webRange, v8::Isolate::GetCurrent());
}

bool WebBindings::getArrayBuffer(NPObject* arrayBuffer, WebArrayBuffer* webArrayBuffer)
{
    return getArrayBufferImpl(arrayBuffer, webArrayBuffer, v8::Isolate::GetCurrent());
}

bool WebBindings::getArrayBufferView(NPObject* arrayBufferView, WebArrayBufferView* webArrayBufferView)
{
    return getArrayBufferViewImpl(arrayBufferView, webArrayBufferView, v8::Isolate::GetCurrent());
}

bool WebBindings::getNode(NPObject* node, WebNode* webNode)
{
    return getNodeImpl(node, webNode, v8::Isolate::GetCurrent());
}

bool WebBindings::getElement(NPObject* element, WebElement* webElement)
{
    return getElementImpl(element, webElement, v8::Isolate::GetCurrent());
}

NPObject* WebBindings::makeIntArray(const WebVector<int>& data)
{
    return makeIntArrayImpl(data, v8::Isolate::GetCurrent());
}

NPObject* WebBindings::makeStringArray(const WebVector<WebString>& data)
{
    return makeStringArrayImpl(data, v8::Isolate::GetCurrent());
}

void WebBindings::pushExceptionHandler(ExceptionHandler handler, void* data)
{
    WebCore::pushExceptionHandler(handler, data);
}

void WebBindings::popExceptionHandler()
{
    WebCore::popExceptionHandler();
}

void WebBindings::toNPVariant(v8::Local<v8::Value> object, NPObject* root, NPVariant* result)
{
    WebCore::convertV8ObjectToNPVariant(object, root, result, v8::Isolate::GetCurrent());
}

v8::Handle<v8::Value> WebBindings::toV8Value(const NPVariant* variant)
{
    v8::Isolate* isolate = v8::Isolate::GetCurrent();
    if (variant->type == NPVariantType_Object) {
        NPObject* object = NPVARIANT_TO_OBJECT(*variant);
        V8NPObject* v8Object = npObjectToV8NPObject(object);
        if (!v8Object)
            return v8::Undefined(isolate);
        return convertNPVariantToV8Object(variant, v8Object->rootObject->frame()->script().windowScriptNPObject(), isolate);
    }
    // Safe to pass 0 since we have checked the script object class to make sure the
    // argument is a primitive v8 type.
    return convertNPVariantToV8Object(variant, 0, isolate);
}

} // namespace blink
/* [<][>][^][v][top][bottom][index][help] */
root/Source/web/WebBindings.cpp

DEFINITIONS
