webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 110 insertions, 0 deletions

diff --git a/Source/WebInspectorUI/UserInterface/Controllers/BranchManager.js b/Source/WebInspectorUI/UserInterface/Controllers/BranchManager.js
new file mode 100644
index 000000000..6dc8de1ca
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Controllers/BranchManager.js
@@ -0,0 +1,110 @@
+/*
+ * 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 = class BranchManager extends WebInspector.Object
+{
+    constructor()
+    {
+        super();
+
+        WebInspector.Frame.addEventListener(WebInspector.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this);
+
+        this.initialize();
+    }
+
+    // Public
+
+    initialize()
+    {
+        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(displayName, fromBranch)
+    {
+        if (!fromBranch)
+            fromBranch = this._originalBranch;
+
+        console.assert(fromBranch instanceof WebInspector.Branch);
+        if (!(fromBranch instanceof WebInspector.Branch))
+            return null;
+
+        var newBranch = fromBranch.fork(displayName);
+        this._branches.push(newBranch);
+        return newBranch;
+    }
+
+    deleteBranch(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(event)
+    {
+        console.assert(event.target instanceof WebInspector.Frame);
+
+        if (!event.target.isMainFrame())
+            return;
+
+        this.initialize();
+    }
+};