Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_control_framework_app_ui_8cpp_source.html
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<h1>examples/AppFramework/UIControls/ControlFramework/src/ControlFrameworkAppUi.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Description:</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include "ControlFrameworkAppUi.h"</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include "ControlFrameworkView.h"</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include "ControlFramework.hrh"</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "uikon.hrh"</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00022"></a>00022 CControlFrameworkAppUi::CControlFrameworkAppUi()
<a name="l00023"></a>00023 {
<a name="l00024"></a>00024 }
<a name="l00025"></a>00025
<a name="l00026"></a>00026 CControlFrameworkAppUi::~CControlFrameworkAppUi()
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 <span class="comment">// Deregister the view(s) from the view server, remove the view(s) from the control stack</span>
<a name="l00029"></a>00029 <span class="comment">// and delete them</span>
<a name="l00030"></a>00030 TInt view = iAppViews.Count();
<a name="l00031"></a>00031 <span class="keywordflow">while</span> (view--)
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 <a class="code" href="class_c_control_framework_view.html">CControlFrameworkView</a>* v = iAppViews[view];
<a name="l00034"></a>00034 RemoveFromStack(v);
<a name="l00035"></a>00035 DeregisterView(*v);
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037 iAppViews.ResetAndDestroy();
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="comment">// Second phase constructor of the application UI.</span>
<a name="l00041"></a>00041 <span class="comment">// It creates and owns a single view. The view is not fully constructed </span>
<a name="l00042"></a>00042 <span class="comment">// (via ViewConstructL()) until the first time the view is activated,</span>
<a name="l00043"></a>00043 <span class="comment">// to improve application startup time.</span>
<a name="l00044"></a>00044 <span class="keywordtype">void</span> CControlFrameworkAppUi::ConstructL()
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 BaseConstructL(CEikAppUi::EStandardApp);
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="comment">// Create the view</span>
<a name="l00049"></a>00049 <a class="code" href="class_c_control_framework_view.html">CControlFrameworkView</a>* view = CControlFrameworkView::NewLC(*<span class="keyword">this</span>);
<a name="l00050"></a>00050 AddViewL(view);
<a name="l00051"></a>00051 CleanupStack::Pop(view);
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">// Called by the UI framework when a command has been issued </span>
<a name="l00056"></a>00056 <span class="comment">// by one of the toolbar buttons.</span>
<a name="l00057"></a>00057 <span class="keywordtype">void</span> CControlFrameworkAppUi::HandleCommandL(TInt aCommandId)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <a class="code" href="class_c_control_framework_view.html">CControlFrameworkView</a>& view = *iAppViews[EExampleView];
<a name="l00060"></a>00060 <span class="keywordflow">switch</span> (aCommandId)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <span class="comment">// command IDs are defined in the hrh file.</span>
<a name="l00063"></a>00063 <span class="keywordflow">case</span> ECmdToggleBoldFont:
<a name="l00064"></a>00064 view.ToggleBold();
<a name="l00065"></a>00065 <span class="keywordflow">break</span>;
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keywordflow">case</span> ECmdToggleItalicFont:
<a name="l00068"></a>00068 view.ToggleItalic();
<a name="l00069"></a>00069 <span class="keywordflow">break</span>;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordflow">case</span> ECmdToggleUnderline:
<a name="l00072"></a>00072 view.ToggleUnderline();
<a name="l00073"></a>00073 <span class="keywordflow">break</span>;
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keywordflow">case</span> ECmdToggleStrikethrough:
<a name="l00076"></a>00076 view.ToggleStrikethrough();
<a name="l00077"></a>00077 <span class="keywordflow">break</span>;
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">default</span>:
<a name="l00080"></a>00080 <span class="keywordflow">case</span> EEikCmdExit:
<a name="l00081"></a>00081 Exit();
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keyword">static</span> <span class="keywordtype">void</span> CleanupRemoveFromStack(TAny* aView)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="keyword">static_cast<</span>CEikAppUi*<span class="keyword">></span>(CCoeEnv::Static()->AppUi())->RemoveFromStack(static_cast<CControlFrameworkView*>(aView));
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keyword">static</span> <span class="keywordtype">void</span> CleanupDeregisterView(TAny* aView)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keyword">static_cast<</span>CEikAppUi*<span class="keyword">></span>(CCoeEnv::Static()->AppUi())->DeregisterView(*static_cast<CControlFrameworkView*>(aView));
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="comment">// Adds the view to the app UI's control stack and registers it with the view server. </span>
<a name="l00097"></a>00097 <span class="comment">// Takes ownership of the view.</span>
<a name="l00098"></a>00098 <span class="keywordtype">void</span> CControlFrameworkAppUi::AddViewL(<a class="code" href="class_c_control_framework_view.html">CControlFrameworkView</a>* aView)
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 ASSERT(aView);
<a name="l00101"></a>00101 ASSERT(KErrNotFound == iAppViews.Find(aView));
<a name="l00102"></a>00102
<a name="l00103"></a>00103 RegisterViewL(*aView); <span class="comment">// Call RegisterViewL before AddToStackL to avoid panic in destructor if AddToStackL leaves </span>
<a name="l00104"></a>00104 CleanupStack::PushL(TCleanupItem(CleanupDeregisterView,aView));
<a name="l00105"></a>00105
<a name="l00106"></a>00106 AddToStackL(*aView, aView);
<a name="l00107"></a>00107 CleanupStack::PushL(TCleanupItem(CleanupRemoveFromStack, aView));
<a name="l00108"></a>00108
<a name="l00109"></a>00109 iAppViews.AppendL(aView);
<a name="l00110"></a>00110 CleanupStack::Pop(2);
<a name="l00111"></a>00111 }
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