michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* nsIVariant based Property Bag support. */
michael@0: 
michael@0: #include "nsIPropertyBag.idl"
michael@0: 
michael@0: [scriptable, uuid(625cfd1e-da1e-4417-9ee9-dbc8e0b3fd79)]
michael@0: interface nsIPropertyBag2 : nsIPropertyBag
michael@0: {
michael@0:   // Accessing a property as a different type may attempt conversion to the
michael@0:   // requested value
michael@0: 
michael@0:   int32_t     getPropertyAsInt32       (in AString prop);
michael@0:   uint32_t    getPropertyAsUint32      (in AString prop);
michael@0:   int64_t     getPropertyAsInt64       (in AString prop);
michael@0:   uint64_t    getPropertyAsUint64      (in AString prop);
michael@0:   double      getPropertyAsDouble      (in AString prop);
michael@0:   AString     getPropertyAsAString     (in AString prop);
michael@0:   ACString    getPropertyAsACString    (in AString prop);
michael@0:   AUTF8String getPropertyAsAUTF8String (in AString prop);
michael@0:   boolean     getPropertyAsBool        (in AString prop);
michael@0: 
michael@0:   /**
michael@0:    * This method returns null if the value exists, but is null.
michael@0:    */
michael@0:   void        getPropertyAsInterface   (in AString prop,
michael@0:                                         in nsIIDRef iid,
michael@0:                                         [iid_is(iid), retval] out nsQIResult result);
michael@0: 
michael@0:   /**
michael@0:    * This method returns null if the value does not exist,
michael@0:    * or exists but is null.
michael@0:    */
michael@0:   nsIVariant  get                      (in AString prop);
michael@0:  
michael@0:   /**
michael@0:    * Check for the existence of a key.
michael@0:    */
michael@0:   boolean     hasKey                   (in AString prop);
michael@0: };