blob: 423010d6f963e26e964e830501629ad17c0d3d1c [file] [log] [blame]
#ifndef _H_SessionData
#define _H_SessionData
/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
#include "mozincludes.h"
#include "SessionHandler.h"
#include "jsapi.h"
#if GECKO_VERSION >= 2000 && GECKO_VERSION < 10000
#include "jsobj.h"
#endif
class HostChannel;
class SessionData {
public:
SessionData(HostChannel* channel, SessionHandler* sessionHandler,
JSContext* ctx) : channel(channel), sessionHandler(sessionHandler),
global(SessionData::getJSGlobalObject(ctx)), runtime(JS_GetRuntime(ctx)),
toStringTearOff(JSVAL_VOID)
{
}
HostChannel* getHostChannel() const {
return channel;
}
SessionHandler* getSessionHandler() const {
return sessionHandler;
}
JSObject* getGlobalObject() const {
return global;
}
jsval getToStringTearOff() const {
return toStringTearOff;
}
/*
* Convert a value from the JavaScript into something that can be sent back
* to the OOPHM host.
*/
virtual void makeValueFromJsval(gwt::Value& retVal, JSContext* ctx, const jsval& value)=0;
/*
* Convert a value from the OOPHM host into something that can be passed into
* the JavaScript execution environment.
*/
virtual void makeJsvalFromValue(jsval& retVal, JSContext* ctx, const gwt::Value& value)=0;
/*
* Removes the JavaObject wrapper with the given id and notifies the host.
*/
virtual void freeJavaObject(int objectId)=0;
private:
static JSObject* getJSGlobalObject(JSContext* ctx) {
#if GECKO_VERSION < 10000
JSObject* global = JS_GetGlobalObject(ctx);
#endif
// See: https://developer.mozilla.org/en/SpiderMonkey/JSAPI_Reference/JS_GetGlobalObject
#if GECKO_VERSION >= 2000 && GECKO_VERSION < 10000
// Innerize the global object from the WindowProxy object to its inner
// Window delegate since the proxy can't be used for evaluating scripts.
OBJ_TO_INNER_OBJECT(ctx, global);
#endif
#if GECKO_VERSION >= 25000
JSObject* global = JS::CurrentGlobalOrNull(ctx);
#else
#if GECKO_VERSION >= 10000
JSObject* global = JS_GetGlobalForScopeChain(ctx);
#endif
#endif
return global;
}
protected:
/*
* The communication channel used for the OOPHM session.
*/
HostChannel* const channel;
/*
* A reference to the SessionHandler being used in the OOPHM session.
*/
SessionHandler* const sessionHandler;
JSRuntime* runtime;
JSObject* const global;
/**
* A function object representing the toString tear-off method.
*/
jsval toStringTearOff;
};
#endif