blob: b2b9aa05ca92d2b4fc492b4ddbd3ddf848530c43 [file] [log] [blame]
/*
* Copyright (C) 2013 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
WI.ExecutionContextList = class ExecutionContextList
{
constructor()
{
this._contexts = [];
this._pageExecutionContext = null;
}
// Public
get pageExecutionContext()
{
return this._pageExecutionContext;
}
get contexts()
{
return this._contexts;
}
add(context)
{
// FIXME: The backend sends duplicate page context execution contexts with the same id. Why?
if (context.isPageContext && this._pageExecutionContext) {
console.assert(context.id === this._pageExecutionContext.id);
return false;
}
this._contexts.push(context);
if (context.isPageContext) {
console.assert(!this._pageExecutionContext);
this._pageExecutionContext = context;
return true;
}
return false;
}
clear()
{
this._contexts = [];
this._pageExecutionContext = null;
}
};