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/*
* 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.
*/
#ifndef WebBindings_h
#define WebBindings_h
#include <bindings/npruntime.h>
#include "WebCommon.h"
namespace WebKit {
class WebDragData;
// A haphazard collection of functions for dealing with plugins.
class WebBindings {
public:
// NPN Functions ------------------------------------------------------
// These are all defined in npruntime.h and are well documented.
// NPN_Construct
WEBKIT_API static bool construct(NPP npp, NPObject *npobj, const NPVariant *args, uint32_t argCount, NPVariant* result);
// NPN_CreateObject
WEBKIT_API static NPObject* createObject(NPP npp, NPClass* npClass);
// NPN_Enumerate
WEBKIT_API static bool enumerate(NPP id, NPObject* obj, NPIdentifier** identifier, uint32_t* val);
// NPN_EvaluateHelper
WEBKIT_API static bool evaluateHelper(NPP npp, bool popups_allowed, NPObject* npobj, NPString* npscript, NPVariant* result);
// NPN_GetIntIdentifier
WEBKIT_API static NPIdentifier getIntIdentifier(int32_t number);
// NPN_GetProperty
WEBKIT_API static bool getProperty(NPP npp, NPObject* obj, NPIdentifier propertyName, NPVariant *result);
// NPN_GetStringIdentifier
WEBKIT_API static NPIdentifier getStringIdentifier(const NPUTF8* string);
// NPN_GetStringIdentifiers
WEBKIT_API static void getStringIdentifiers(const NPUTF8** names, int32_t nameCount, NPIdentifier* identifiers);
// NPN_HasMethod
WEBKIT_API static bool hasMethod(NPP npp, NPObject* npObject, NPIdentifier methodName);
// NPN_HasProperty
WEBKIT_API static bool hasProperty(NPP npp, NPObject* npObject, NPIdentifier propertyName);
// NPN_IdentifierIsString
WEBKIT_API static bool identifierIsString(NPIdentifier identifier);
// NPN_InitializeVariantWithStringCopy (though sometimes prefixed with an underscore)
WEBKIT_API static void initializeVariantWithStringCopy(NPVariant* variant, const NPString* value);
// NPN_IntFromIdentifier
WEBKIT_API static int32_t intFromIdentifier(NPIdentifier identifier);
// NPN_Invoke
WEBKIT_API static bool invoke(NPP npp, NPObject* npObject, NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
// NPN_InvokeDefault
WEBKIT_API static bool invokeDefault(NPP id, NPObject* obj, const NPVariant* args, uint32_t count, NPVariant* result);
// NPN_ReleaseObject
WEBKIT_API static void releaseObject(NPObject* npObject);
// NPN_ReleaseVariantValue
WEBKIT_API static void releaseVariantValue(NPVariant* variant);
// NPN_RemoveProperty
WEBKIT_API static bool removeProperty(NPP id, NPObject* object, NPIdentifier identifier);
// NPN_RetainObject
WEBKIT_API static NPObject* retainObject(NPObject* npObject);
// NPN_SetException
WEBKIT_API static void setException(NPObject* obj, const NPUTF8* message);
// NPN_SetProperty
WEBKIT_API static bool setProperty(NPP id, NPObject* obj, NPIdentifier identifier, const NPVariant* variant);
// _NPN_UnregisterObject
WEBKIT_API static void unregisterObject(NPObject* npObject);
// NPN_UTF8FromIdentifier
WEBKIT_API static NPUTF8* utf8FromIdentifier(NPIdentifier identifier);
// Miscellaneous utility functions ------------------------------------
// Complement to NPN_Get___Identifier functions. Extracts data from the NPIdentifier data
// structure. If isString is true upon return, string will be set but number's value is
// undefined. If iString is false, the opposite is true.
WEBKIT_API static void extractIdentifierData(const NPIdentifier&, const NPUTF8*& string, int32_t& number, bool& isString);
// Return true (success) if the given npobj is the current drag event in browser dispatch,
// and is accessible based on context execution frames and their security origins and
// WebKit clipboard access policy. If so, return the event id and the clipboard data (WebDragData).
// This only works with V8. If compiled without V8, it'll always return false.
WEBKIT_API static bool getDragData(NPObject* event, int* event_id, WebDragData* data);
// Invoke the event access policy checks listed above with GetDragData(). No need for clipboard
// data or event_id outputs, just confirm the given npobj is the current & accessible drag event.
// This only works with V8. If compiled without V8, it'll always return false.
WEBKIT_API static bool isDragEvent(NPObject* event);
};
} // namespace WebKit
#endif
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