1 files changed, 147 insertions, 0 deletions
diff --git a/src/interpreter/imports/qtsystemtest/scripts/ComponentCacher.js b/src/interpreter/imports/qtsystemtest/scripts/ComponentCacher.js
new file mode 100644
index 0000000..781914f
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+++ b/src/interpreter/imports/qtsystemtest/scripts/ComponentCacher.js
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of QtSystemTest.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+Js.include_check(ComponentCacher === undefined, 'ComponentCacher.js already included');
+Js.require('Exception.js');
+Js.require('Class.js');
+
+var OriginalCallerDepth = 5; // explaination below
+/*
+  the stack for factory.register(foo, bar) or this.setDefaultItemFile would  lead to
+  1. something.register()
+  2. class.call (register)
+  3. this.register
+  3.      absolutePathOf
+  4.            inside register
+  to get the file that called register, we would have to traverse back in stack 5 levels
+*/
+
+    function absolutePathOf(path) {
+        if ( !Qt.qst.isRelativePath(path) ) {
+            return path;
+        }
+        // get the filename that called applicaton.register
+        var stack = Js.Engine.callSite(OriginalCallerDepth);
+        var callerFilePath = stack.last().fileName;
+        var lastSlash = callerFilePath.lastIndexOf('/');
+        return callerFilePath.left(lastSlash + 1) + path;
+    }
+
+
+var ComponentCacher = Class.create(function() {
+    var __registry = {
+        //key: qmlFile
+    };
+
+    var __componentsCache = {
+        //key: Component
+    };
+    var __defaultItemFile;
+    var fallbackToDefault = true;
+
+    function setDefaultItemFile(qmlFilePath) {
+        __defaultItemFile = absolutePathOf(qmlFilePath);
+    }
+
+    function unregister(key)  {
+        if (key in __registry) {
+           delete __registry[key];
+        }
+        if (key in __componentsCache) {
+           delete __componentsCache[key];
+        }
+    }
+
+    function register(key, qmlFilePath)  {
+        __registry[key] = absolutePathOf(qmlFilePath);
+    }
+
+    function fileForKey(key) {
+        if (key in __registry) {
+            return __registry[key];
+        }
+        if ( !fallbackToDefault) {
+            return null;
+        }
+
+        if ( !__defaultItemFile) {
+            throw new Qtt.Error( 'Error: ComponentCacher - unable to find a file for ' + key);
+        }
+        return __defaultItemFile;
+    }
+
+    function componentForKey(key) {
+        var qmlFile = this.fileForKey(key);
+        if (qmlFile === null) {
+            return null;
+        }
+
+        var component = null;
+        if ( ! (qmlFile in __componentsCache)) {
+
+            component = Qt.createComponent(qmlFile)
+            // HACK ... 1 means Component.Ready I want to access Component.Ready here...
+            if (component.status !== 1) {
+                // fix me ... Change error to accept msg and formatted msg,
+                throw new Qtt.Error('Component creation failed : ' + component.errorString(), 2);
+            }
+            __componentsCache[qmlFile] = component;
+        } else  {
+            component = __componentsCache[qmlFile];
+        }
+
+        return component;
+    }
+    function setFallbackToDefault(value) {
+        fallbackToDefault = value;
+    }
+
+    return {
+
+        setFallbackToDefault: setFallbackToDefault,
+        setDefaultItemFile: setDefaultItemFile,
+        fileForKey: fileForKey,
+        register: register,
+        unregister: unregister,
+        componentForKey: componentForKey,
+        keys: function() { return  Object.keys(__registry); },
+    };
+});