webengine/widgetengine/src/Widget.cpp
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     1 /*
       
     2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include <SysUtil.h>
       
    22 #include "../../bidi.h"
       
    23 #include <AknAppUi.h>
       
    24 
       
    25 #include "Widget.h"
       
    26 #include "WidgetFuncs.h"
       
    27 #include "WidgetCallbacks.h"
       
    28 #include "WidgetEventHandler.h"
       
    29 #include "Wrt.h"
       
    30 
       
    31 // EXTERNAL DATA STRUCTURES
       
    32 
       
    33 // EXTERNAL FUNCTION PROTOTYPES
       
    34 
       
    35 // CONSTANTS
       
    36 
       
    37 // MACROS
       
    38 
       
    39 // LOCAL CONSTANTS AND MACROS
       
    40 
       
    41 // MODULE DATA STRUCTURES
       
    42 
       
    43 // LOCAL FUNCTION PROTOTYPES
       
    44 
       
    45 // FORWARD DECLARATIONS
       
    46 using namespace KJS;
       
    47 const ClassInfo JSWidget::info = { "JSWidget", 0, &WidgetTable, 0 };
       
    48 
       
    49 // ============================= LOCAL FUNCTIONS ===============================
       
    50 /*
       
    51 @begin WidgetTable 16
       
    52     openApplication JSWidget::openApplication DontDelete|Function 1
       
    53     openURL JSWidget::openURL DontDelete|Function 1
       
    54     preferenceForKey JSWidget::preferenceForKey DontDelete|Function 1
       
    55     prepareForTransition JSWidget::prepareForTransition DontDelete|Function 1
       
    56     performTransition JSWidget::performTransition DontDelete|Function 0
       
    57     setPreferenceForKey JSWidget::setPreferenceForKey DontDelete|Function 2
       
    58     setNavigationEnabled JSWidget::setNavigationEnabled DontDelete|Function 1
       
    59     identifier JSWidget::identifier DontDelete|ReadOnly
       
    60     onhide JSWidget::onhide DontDelete|ReadOnly
       
    61     onremove JSWidget::onremove DontDelete|ReadOnly
       
    62     onshow  JSWidget::onshow DontDelete|ReadOnly
       
    63     onexit  JSWidget::onexit DontDelete|ReadOnly
       
    64     setDisplayLandscape JSWidget::setDisplayLandscape DontDelete|Function 0
       
    65     setDisplayPortrait JSWidget::setDisplayPortrait DontDelete|Function 0
       
    66     isrotationsupported JSWidget::isRotationSupported DontDelete|ReadOnly
       
    67     wrt JSWidget::wrt  DontDelete|ReadOnly
       
    68 @end
       
    69 */
       
    70 
       
    71 // ============================ MEMBER FUNCTIONS ===============================
       
    72 
       
    73 // ----------------------------------------------------------------------------
       
    74 // JSWidget::JSWidget
       
    75 //
       
    76 //
       
    77 //
       
    78 // ----------------------------------------------------------------------------
       
    79 JSWidget::JSWidget(MJSWidgetCallbacks* aWidgetCallbacks) :
       
    80                     JSObject(),
       
    81                     d(new WidgetPrivate(aWidgetCallbacks,0,0,0,0))
       
    82 {
       
    83 }
       
    84 
       
    85 // ----------------------------------------------------------------------------
       
    86 // JSWidget::~JSWidget
       
    87 //
       
    88 //
       
    89 //
       
    90 // ----------------------------------------------------------------------------
       
    91 JSWidget::~JSWidget()
       
    92 {
       
    93     delete d;
       
    94 }
       
    95 
       
    96 // ----------------------------------------------------------------------------
       
    97 // JSWidget::type
       
    98 //
       
    99 //
       
   100 //
       
   101 // ----------------------------------------------------------------------------
       
   102 JSType JSWidget::type() const
       
   103 {
       
   104     return ObjectType;
       
   105 }
       
   106 
       
   107 // ----------------------------------------------------------------------------
       
   108 // JSWidget::mark
       
   109 //
       
   110 //
       
   111 //
       
   112 // ----------------------------------------------------------------------------
       
   113 void JSWidget::mark()
       
   114 {
       
   115 	JSObject::mark();
       
   116 	if(d->m_wrt)
       
   117 	   d->m_wrt->mark();
       
   118 }
       
   119 
       
   120 // ----------------------------------------------------------------------------
       
   121 // JSWidget::toString
       
   122 //
       
   123 //
       
   124 //
       
   125 // ----------------------------------------------------------------------------
       
   126 UString JSWidget::toString(ExecState *exec) const
       
   127 {
       
   128     return "[object JSWidget]";
       
   129 }
       
   130 
       
   131 
       
   132 // ----------------------------------------------------------------------------
       
   133 // JSWidget::getOwnPropertySlot
       
   134 //
       
   135 //
       
   136 //
       
   137 // ----------------------------------------------------------------------------
       
   138 bool JSWidget::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
       
   139 {
       
   140     const HashEntry* entry = Lookup::findEntry(&WidgetTable, propertyName);
       
   141     if (entry)
       
   142         {
       
   143         slot.setStaticEntry(this, entry, staticValueGetter<JSWidget>);
       
   144         return true;
       
   145         }
       
   146 
       
   147     return JSObject::getOwnPropertySlot(exec, propertyName, slot);
       
   148 }
       
   149 
       
   150 
       
   151 // ----------------------------------------------------------------------------
       
   152 // JSWidget::getValueProperty
       
   153 //
       
   154 //
       
   155 //
       
   156 // ----------------------------------------------------------------------------
       
   157 JSValue* JSWidget::getValueProperty(KJS::ExecState* exec, int token) const
       
   158 {
       
   159 
       
   160     switch (token)  {
       
   161         case openApplication:
       
   162         case openURL:
       
   163         case preferenceForKey:
       
   164         case prepareForTransition:
       
   165         case performTransition:
       
   166         case setPreferenceForKey:
       
   167         case setNavigationEnabled:
       
   168         case setDisplayLandscape:
       
   169         case setDisplayPortrait: {
       
   170             JSWidgetFunc *wf = new JSWidgetFunc(exec,token,d->m_callbacks);
       
   171             return wf;
       
   172         }
       
   173         case identifier: {
       
   174             TPtrC tstrUrl(d->m_callbacks->getWidgetBundleId());
       
   175             return jsString(UString((const KJS::UChar*)tstrUrl.Ptr(), tstrUrl.Length()));
       
   176         }
       
   177         case isRotationSupported: {
       
   178             return jsBoolean(iAvkonAppUi->OrientationCanBeChanged());
       
   179         }
       
   180         case wrt: {
       
   181             return d->m_wrt ? d->m_wrt : d->m_wrt = new JSWrt(exec);
       
   182         }
       
   183         default:
       
   184             return throwError(exec, GeneralError);
       
   185     }
       
   186 
       
   187 }
       
   188 
       
   189 // ----------------------------------------------------------------------------
       
   190 // JSWidget::canPut
       
   191 //
       
   192 //
       
   193 //
       
   194 // ----------------------------------------------------------------------------
       
   195 bool JSWidget::canPut(ExecState *exec, const Identifier &propertyName) const
       
   196 {
       
   197     return true;
       
   198 }
       
   199 
       
   200 // ----------------------------------------------------------------------------
       
   201 // JSWidget::put
       
   202 //
       
   203 //
       
   204 //
       
   205 // ----------------------------------------------------------------------------
       
   206 void JSWidget::put(ExecState *exec, const Identifier &propertyName, JSValue *value, int attr)
       
   207 {
       
   208     const HashEntry* entry = Lookup::findEntry(&WidgetTable, propertyName);
       
   209     if (entry) {
       
   210         switch( entry->value ) {
       
   211             case onhide: {
       
   212                 delete d->m_hideCallback;
       
   213                 d->m_hideCallback = NULL;
       
   214                 d->m_hideCallback = new WidgetEventHandler(value, exec->lexicalInterpreter()->globalExec());
       
   215                 break;
       
   216             }
       
   217             case onshow: {
       
   218                 delete d->m_showCallback;
       
   219                 d->m_showCallback = NULL;
       
   220                 d->m_showCallback = new WidgetEventHandler(value, exec->lexicalInterpreter()->globalExec());
       
   221                 // fire the onShow if the SetVisibilty was called before the onShowCallback was created
       
   222                 if (d->m_visibility) {
       
   223                     d->m_visibility = !d->m_visibility;
       
   224                     setVisibility(!d->m_visibility);
       
   225                 }
       
   226                 break;
       
   227             }
       
   228             case onexit: {
       
   229                 delete d->m_exitCallback;
       
   230                 d->m_exitCallback = NULL;
       
   231                 d->m_exitCallback = new WidgetEventHandler(value, exec->lexicalInterpreter()->globalExec());
       
   232                 break;
       
   233             }
       
   234             default:
       
   235                 break;
       
   236         }
       
   237     }
       
   238 
       
   239 }
       
   240 
       
   241 
       
   242 // ----------------------------------------------------------------------------
       
   243 // JSWidget::SetVisibility
       
   244 // Invokes onShow or onHide callback function depending on the visibility
       
   245 // status of the widget
       
   246 //
       
   247 //
       
   248 //
       
   249 // ----------------------------------------------------------------------------
       
   250 void JSWidget::setVisibility(bool visibility)
       
   251 {
       
   252     if (d->m_visibility != visibility) {
       
   253         d->m_visibility = visibility;
       
   254         if(visibility && d->m_showCallback)
       
   255             d->m_showCallback->InvokeCall();
       
   256         else if (d->m_hideCallback)
       
   257             d->m_hideCallback->InvokeCall();
       
   258     }
       
   259 }
       
   260 
       
   261 // ----------------------------------------------------------------------------
       
   262 // JSWidget::handleExit
       
   263 // Invokes onExit callback function
       
   264 //
       
   265 //
       
   266 //
       
   267 // ----------------------------------------------------------------------------
       
   268 void JSWidget::handleExit()
       
   269 {
       
   270     if (d->m_exitCallback)
       
   271         d->m_exitCallback->InvokeCall();
       
   272 }
       
   273 //END OF FILE
       
   274 
       
   275 
       
   276 
       
   277