1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26WebInspector.BranchManager = function() 27{ 28 WebInspector.Object.call(this); 29 30 WebInspector.Frame.addEventListener(WebInspector.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this); 31 32 this.initialize(); 33} 34 35WebInspector.BranchManager.prototype = { 36 constructor: WebInspector.BranchManager, 37 38 // Public 39 40 initialize: function() 41 { 42 this._originalBranch = new WebInspector.Branch(WebInspector.UIString("Original"), null, true); 43 this._currentBranch = this._originalBranch.fork(WebInspector.UIString("Working Copy")); 44 this._branches = [this._originalBranch, this._currentBranch]; 45 }, 46 47 get branches() 48 { 49 return this._branches; 50 }, 51 52 get currentBranch() 53 { 54 return this._currentBranch; 55 }, 56 57 set currentBranch(branch) 58 { 59 console.assert(branch instanceof WebInspector.Branch); 60 if (!(branch instanceof WebInspector.Branch)) 61 return; 62 63 this._currentBranch.revert(); 64 65 this._currentBranch = branch; 66 67 this._currentBranch.apply(); 68 }, 69 70 createBranch: function(displayName, fromBranch) 71 { 72 if (!fromBranch) 73 fromBranch = this._originalBranch; 74 75 console.assert(fromBranch instanceof WebInspector.Branch); 76 if (!(fromBranch instanceof WebInspector.Branch)) 77 return; 78 79 var newBranch = fromBranch.fork(displayName); 80 this._branches.push(newBranch); 81 return newBranch; 82 }, 83 84 deleteBranch: function(branch) 85 { 86 console.assert(branch instanceof WebInspector.Branch); 87 if (!(branch instanceof WebInspector.Branch)) 88 return; 89 90 console.assert(branch !== this._originalBranch); 91 if (branch === this._originalBranch) 92 return; 93 94 this._branches.remove(branch); 95 96 if (branch === this._currentBranch) 97 this._currentBranch = this._originalBranch; 98 }, 99 100 // Private 101 102 _mainResourceDidChange: function(event) 103 { 104 console.assert(event.target instanceof WebInspector.Frame); 105 106 if (!event.target.isMainFrame()) 107 return; 108 109 this.initialize(); 110 } 111}; 112 113WebInspector.BranchManager.prototype.__proto__ = WebInspector.Object.prototype; 114