webengine/widgetengine/src/MenuItem.cpp
changeset 0 dd21522fd290
child 5 10e98eab6f85
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/widgetengine/src/MenuItem.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,299 @@
+/*
+* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  
+*
+*/
+
+
+
+// INCLUDES
+
+#include <eikamnt.h>
+
+#include "MenuItem.h"
+#include "MenuItemFuncs.h"
+#include "MenuItemCallbacks.h"
+
+using namespace KJS;
+
+// ----------------------------------------------------------------------------
+// JSMenuItemConstructor::JSMenuItemConstructor
+// Default constructor
+//
+//
+// ----------------------------------------------------------------------------
+JSMenuItemConstructor::JSMenuItemConstructor(MJSMenuItemCallbacks* callbacks)
+    : JSObject(), 
+    m_callbacks(callbacks),
+    m_internalId(0)
+{
+}
+
+
+// ----------------------------------------------------------------------------
+// JSMenuItemConstructor::implementsConstruct
+// returns true if this object implements the construct() method, otherwise
+// returns false
+//
+// ----------------------------------------------------------------------------
+bool JSMenuItemConstructor::implementsConstruct() const
+{
+    return true;
+}
+
+// ----------------------------------------------------------------------------
+// JSMenuItemConstructor::construct
+// Creates a new JSMenuItem object
+//
+//
+// ----------------------------------------------------------------------------
+JSObject* JSMenuItemConstructor::construct( ExecState* exec, const List& aList)
+{
+
+    UString text;
+    int cmdId = 0;
+
+    if ( aList.size() > 1 ) {
+    
+        JSValue* t = aList.at( 0 );
+        JSValue* id = aList.at( 1 );
+        cmdId = id->toInt32( exec );
+        text = t->toString( exec );
+
+        if ( ( t->type() == StringType ) && 
+             ( id->type() == NumberType ) && 
+             ( cmdId >= 0 ) && 
+             ( text.size() > 0 ) ) {
+            
+            text = t->toString( exec );
+           
+            int textlen = (text.size() > CEikAutoMenuTitle::ENominalTextLength) ?
+                        CEikAutoMenuTitle::ENominalTextLength : text.size(); 
+
+            TPtrC tptrc((const unsigned short*)(text.data()), textlen);
+
+            JSMenuItem* mi = new JSMenuItem(exec, m_callbacks, tptrc, cmdId, m_internalId );
+            KJS::Collector::protect(mi); 
+            m_callbacks->createOptionsMenuItem( tptrc, cmdId, m_internalId++, (void*) mi );
+           
+            return static_cast<KJS::JSObject*>(mi);
+        }
+    }
+
+    return throwError(exec, GeneralError);
+}
+
+
+// ------------------------------ JSMenuItem -----------------------------
+
+const ClassInfo JSMenuItem::info = { "MenuItem", 0, &TMenuItemTable, 0 };
+
+/*
+@begin TMenuItemTable 5
+  append    JSMenuItem::Append      DontDelete|Function 1
+  remove    JSMenuItem::Remove      DontDelete|Function 1
+  setDimmed JSMenuItem::SetDim      DontDelete|Function 1
+  onSelect  JSMenuItem::OnSelect    DontDelete|ReadOnly
+  toString  JSMenuItem::ToString    DontDelete|Function 0
+@end
+*/
+
+
+// ----------------------------------------------------------------------------
+// JSMenuItem::JSMenuItem
+// Default constructor
+//
+//
+// ----------------------------------------------------------------------------
+JSMenuItem::JSMenuItem(  
+    ExecState* exec,   
+    MJSMenuItemCallbacks* callbacks,
+    TDesC& text,
+    int cmdId, 
+    int internalId,
+    WidgetEventHandler* onSelectCallback )
+    : JSObject(exec->lexicalInterpreter()->builtinObjectPrototype()),      
+      d(new MenuItemPrivate(callbacks,cmdId,internalId,onSelectCallback))  
+    {
+    }
+    
+// ----------------------------------------------------------------------------
+// JSMenuItem::~JSMenuItem
+// Destructor
+//
+//
+// ----------------------------------------------------------------------------
+JSMenuItem::~JSMenuItem()
+{
+    delete d;
+}
+
+int JSMenuItem::Id() const
+{ 
+    return d->m_cmdId; 
+} 
+       
+int JSMenuItem::InternalId()  const
+{ 
+    return d->m_internalId; 
+}        
+
+bool JSMenuItem::Dimmed()  const
+{ 
+    return d->m_dimmed; 
+}
+
+bool JSMenuItem::Show()  const
+{ 
+    return d->m_show; 
+}
+
+void JSMenuItem::SetDimmed(bool val)
+{ 
+    d->m_dimmed=val; 
+    d->m_callbacks->setDimmed(d->m_internalId, val);
+}                
+
+void JSMenuItem::SetShow(bool val) 
+{ 
+    d->m_show=val; 
+}       
+
+WidgetEventHandler* JSMenuItem::callback()  const
+{ 
+    return d->m_onSelectCallback; 
+}
+
+// ----------------------------------------------------------------------------
+// JSMenuItem::AddOptionsMenuItem
+//
+//
+// ----------------------------------------------------------------------------
+void JSMenuItem::AddOptionsMenuItem(bool show)
+{    
+ 
+    // if no error (KErrNone) in adding the menu item
+    if ( ( d->m_callbacks->addOptionsMenuItem(d->m_internalId, -1, ETrue ) == KErrNone ) ) {        
+        SetShow( show );
+        if ( d->m_callbacks ) {
+            d->m_callbacks->setMenuItemObserver(d->m_internalId, d->m_onSelectCallback);
+        }
+    }    
+}
+
+// ----------------------------------------------------------------------------
+// JSMenuItem::DeleteMenuItem
+//
+//
+// ----------------------------------------------------------------------------
+void JSMenuItem::DeleteMenuItem()
+{
+    d->m_callbacks->deleteMenuItem( d->m_internalId );    
+}
+
+// ----------------------------------------------------------------------------
+// JSMenuItem::toString
+// Returns string representation of the object
+//
+//
+// ----------------------------------------------------------------------------
+UString JSMenuItem::toString( ExecState *exec ) const
+{
+    return "[object MenuItem]";
+}
+
+// ----------------------------------------------------------------------------
+// JSMenuItem::canPut
+//
+//
+//
+// ----------------------------------------------------------------------------
+bool JSMenuItem::canPut(ExecState *exec, const Identifier &propertyName) const 
+{ 
+    return true; 
+}        
+
+// ----------------------------------------------------------------------------
+// JSMenuItem::put
+// Sets the specified property
+//
+//
+// ----------------------------------------------------------------------------
+void JSMenuItem::put(ExecState *exec, const Identifier &propertyName, JSValue *value, int attr)
+{
+    const HashEntry * entry = Lookup::findEntry( &TMenuItemTable, propertyName );
+
+    // if the property exists in the table
+    if ( entry ) {
+        
+        // changes the properties of the Menu element
+        switch ( entry->value ) {
+            case OnSelect: {
+                delete d->m_onSelectCallback;
+                d->m_onSelectCallback = NULL;
+                d->m_onSelectCallback = new WidgetEventHandler ( value, exec->lexicalInterpreter()->globalExec() );
+                d->m_callbacks->setMenuItemObserver( d->m_internalId, d->m_onSelectCallback );
+                break;
+            }
+            default:
+                break;
+        }
+    }
+        
+}
+
+
+// ----------------------------------------------------------------------------
+// MenuPrototypeImp::getOwnPropertySlot
+//
+//
+//
+// ----------------------------------------------------------------------------
+bool JSMenuItem::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
+{
+    const HashEntry* entry = Lookup::findEntry(&TMenuItemTable, propertyName);
+    if (entry) {
+        slot.setStaticEntry(this, entry, staticValueGetter<JSMenuItem>);
+        return true;
+    }
+   
+    return JSObject::getOwnPropertySlot(exec, propertyName, slot);    
+}
+      
+// ----------------------------------------------------------------------------
+// JSMenuItem::getValueProperty
+// Retrieves the specified property from the object. If neither the object
+// or any other object in it's prototype chain have the property, this function
+// will return Undefined
+//
+//
+// ----------------------------------------------------------------------------
+JSValue* JSMenuItem::getValueProperty(KJS::ExecState* exec, int token) const
+{
+    
+    switch ( token ) {
+        case Append:
+        case Remove:
+        case SetDim:
+        case ToString: {
+            KJS::JSMenuItemFunc *mif = new KJS::JSMenuItemFunc(exec, d->m_callbacks, token);
+            return mif;
+        }
+        default:
+            break;
+    }
+
+    return throwError(exec, GeneralError);
+}
+