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/*
* 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.
*/
WebInspector.BranchManager = function()
{
WebInspector.Object.call(this);
WebInspector.Frame.addEventListener(WebInspector.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this);
this.initialize();
}
WebInspector.BranchManager.prototype = {
constructor: WebInspector.BranchManager,
// Public
initialize: function()
{
this._originalBranch = new WebInspector.Branch(WebInspector.UIString("Original"), null, true);
this._currentBranch = this._originalBranch.fork(WebInspector.UIString("Working Copy"));
this._branches = [this._originalBranch, this._currentBranch];
},
get branches()
{
return this._branches;
},
get currentBranch()
{
return this._currentBranch;
},
set currentBranch(branch)
{
console.assert(branch instanceof WebInspector.Branch);
if (!(branch instanceof WebInspector.Branch))
return;
this._currentBranch.revert();
this._currentBranch = branch;
this._currentBranch.apply();
},
createBranch: function(displayName, fromBranch)
{
if (!fromBranch)
fromBranch = this._originalBranch;
console.assert(fromBranch instanceof WebInspector.Branch);
if (!(fromBranch instanceof WebInspector.Branch))
return;
var newBranch = fromBranch.fork(displayName);
this._branches.push(newBranch);
return newBranch;
},
deleteBranch: function(branch)
{
console.assert(branch instanceof WebInspector.Branch);
if (!(branch instanceof WebInspector.Branch))
return;
console.assert(branch !== this._originalBranch);
if (branch === this._originalBranch)
return;
this._branches.remove(branch);
if (branch === this._currentBranch)
this._currentBranch = this._originalBranch;
},
// Private
_mainResourceDidChange: function(event)
{
console.assert(event.target instanceof WebInspector.Frame);
if (!event.target.isMainFrame())
return;
this.initialize();
}
};
WebInspector.BranchManager.prototype.__proto__ = WebInspector.Object.prototype;
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