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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>BrCtlSampleAppLayoutObserver.cpp Source File</title><link href="style.css" rel="stylesheet" type="text/css"></head><table border="0" width="100%" height="8" bgcolor="#eeeeee"> <tr> <td width="100%" height="1"><b><font size="2" color="#000000" face="Arial, Helvetica, sans-serif"><strong><a name=Top></a> S60 3rd Edition SDK for Symbian OS </strong></font></b><br><i>Example Applications Guide</i></td></tr> </table><!-- Generated by Doxygen 1.4.5 --><h1>BrCtlSampleAppLayoutObserver.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment">* ============================================================================</span><a name="l00003"></a>00003 <span class="comment">* Name : BrCtlSampleAppLayoutObserver.cpp</span><a name="l00004"></a>00004 <span class="comment">* Part of : BrCtlSampleApp</span><a name="l00005"></a>00005 <span class="comment">* Interface : Browser Control API</span><a name="l00006"></a>00006 <span class="comment">* Description : Handle scrollbar and tab events</span><a name="l00007"></a>00007 <span class="comment">* Version : </span><a name="l00008"></a>00008 <span class="comment">*</span><a name="l00009"></a>00009 <span class="comment">* Copyright (c) 2005-2006 Nokia Corporation.</span><a name="l00010"></a>00010 <span class="comment">* This material, including documentation and any related </span><a name="l00011"></a>00011 <span class="comment">* computer programs, is protected by copyright controlled by </span><a name="l00012"></a>00012 <span class="comment">* Nokia Corporation.</span><a name="l00013"></a>00013 <span class="comment">* ============================================================================</span><a name="l00014"></a>00014 <span class="comment">*/</span><a name="l00015"></a>00015 <a name="l00016"></a>00016 <span class="comment">// INCLUDE FILES</span><a name="l00017"></a>00017 <span class="preprocessor">#include "BrCtlSampleAppContainer.h"</span><a name="l00018"></a>00018 <span class="preprocessor">#include "BrCtlSampleAppLayoutObserver.h"</span><a name="l00019"></a>00019 <a name="l00020"></a>00020 <span class="comment">// ================= MEMBER FUNCTIONS =======================</span><a name="l00021"></a>00021 <a name="l00022"></a>00022 <span class="comment">// ---------------------------------------------------------</span><a name="l00023"></a>00023 <span class="comment">// CBrCtlSampleAppLayoutObserver::UpdateBrowserVScrollBarL</span><a name="l00024"></a>00024 <span class="comment">// ---------------------------------------------------------</span><a name="l00025"></a>00025 <span class="comment">//</span><a name="l00026"></a><a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#9bbc0a5fb947786fbb3d0a999cf21f1d">00026</a> <span class="keywordtype">void</span> <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#9bbc0a5fb947786fbb3d0a999cf21f1d">CBrCtlSampleAppLayoutObserver::UpdateBrowserVScrollBarL</a>(TInt aDocumentHeight, <a name="l00027"></a>00027 TInt aDisplayHeight,<a name="l00028"></a>00028 TInt aDisplayPosY ) <a name="l00029"></a>00029 {<a name="l00030"></a>00030 <span class="comment">// Here we are creating a text string that will be displayed on the screen</span><a name="l00031"></a>00031 <span class="comment">// But if you were implementing this method, you most likely would be implementing</span><a name="l00032"></a>00032 <span class="comment">// your own scroll bars here.</span><a name="l00033"></a>00033 TBuf16<256> tgt;<a name="l00034"></a>00034 TPoint point(0, 220);<a name="l00035"></a>00035 <a name="l00036"></a>00036 _LIT(KUpdateScrollbar, <span class="stringliteral">"Doc Height=%d, Dis Height=%d, Dis Pos=%d"</span>);<a name="l00037"></a>00037 <a name="l00038"></a>00038 tgt.AppendFormat(KUpdateScrollbar, aDocumentHeight, aDisplayHeight, aDisplayPosY);<a name="l00039"></a>00039 <a name="l00040"></a>00040 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>-><a class="code" href="class_c_br_ctl_sample_app_container.html#0d5135f692b821997451b42177b8774e">SetPoint</a>(point);<a name="l00041"></a>00041 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>-><a class="code" href="class_c_br_ctl_sample_app_container.html#a6d697ab177a94bd02bf8b97ed737330">SetText</a>(tgt);<a name="l00042"></a>00042 <a name="l00043"></a>00043 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>->DrawNow();<a name="l00044"></a>00044 }<a name="l00045"></a>00045 <a name="l00046"></a>00046 <span class="comment">// ---------------------------------------------------------</span><a name="l00047"></a>00047 <span class="comment">// CBrCtlSampleAppLayoutObserver::UpdateBrowserHScrollBarL</span><a name="l00048"></a>00048 <span class="comment">// ---------------------------------------------------------</span><a name="l00049"></a>00049 <span class="comment">//</span><a name="l00050"></a><a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#9789cd4948dfb24cfe6216452903bafc">00050</a> <span class="keywordtype">void</span> <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#9789cd4948dfb24cfe6216452903bafc">CBrCtlSampleAppLayoutObserver::UpdateBrowserHScrollBarL</a>(TInt aDocumentWidth, <a name="l00051"></a>00051 TInt aDisplayWidth,<a name="l00052"></a>00052 TInt aDisplayPosX ) <a name="l00053"></a>00053 {<a name="l00054"></a>00054 <span class="comment">// Here we are creating a text string that will be displayed on the screen</span><a name="l00055"></a>00055 <span class="comment">// But if you were implementing this method, you most likely would be implementing</span><a name="l00056"></a>00056 <span class="comment">// your own scroll bars here.</span><a name="l00057"></a>00057 TBuf16<256> tgt;<a name="l00058"></a>00058 TPoint point(0, 130);<a name="l00059"></a>00059 <a name="l00060"></a>00060 _LIT(KUpdateScrollbar, <span class="stringliteral">"Doc Width=%d, Dis Width=%d, Dis Pos=%d"</span>);<a name="l00061"></a>00061 <a name="l00062"></a>00062 tgt.AppendFormat(KUpdateScrollbar, aDocumentWidth, aDisplayWidth, aDisplayPosX);<a name="l00063"></a>00063 <a name="l00064"></a>00064 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>-><a class="code" href="class_c_br_ctl_sample_app_container.html#0d5135f692b821997451b42177b8774e">SetPoint</a>(point);<a name="l00065"></a>00065 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>-><a class="code" href="class_c_br_ctl_sample_app_container.html#a6d697ab177a94bd02bf8b97ed737330">SetText</a>(tgt);<a name="l00066"></a>00066 <a name="l00067"></a>00067 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>->DrawNow();<a name="l00068"></a>00068 }<a name="l00069"></a>00069 <a name="l00070"></a>00070 <span class="comment">// ---------------------------------------------------------</span><a name="l00071"></a>00071 <span class="comment">// CBrCtlSampleAppLayoutObserver::NotifyLayoutChange</span><a name="l00072"></a>00072 <span class="comment">// ---------------------------------------------------------</span><a name="l00073"></a>00073 <span class="comment">//</span><a name="l00074"></a><a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#708b734505a0d86668954190c170a740">00074</a> <span class="keywordtype">void</span> <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#708b734505a0d86668954190c170a740">CBrCtlSampleAppLayoutObserver::NotifyLayoutChange</a>( TBrCtlLayout aNewLayout ) <a name="l00075"></a>00075 {<a name="l00076"></a>00076 TBuf16<256> tgt;<a name="l00077"></a>00077 TPoint point(0, 120);<a name="l00078"></a>00078 <a name="l00079"></a>00079 _LIT(KUpdateLayout, <span class="stringliteral">"New layout is %d"</span>);<a name="l00080"></a>00080 <a name="l00081"></a>00081 tgt.AppendFormat(KUpdateLayout, aNewLayout);<a name="l00082"></a>00082 <a name="l00083"></a>00083 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>-><a class="code" href="class_c_br_ctl_sample_app_container.html#0d5135f692b821997451b42177b8774e">SetPoint</a>(point);<a name="l00084"></a>00084 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>-><a class="code" href="class_c_br_ctl_sample_app_container.html#a6d697ab177a94bd02bf8b97ed737330">SetText</a>(tgt);<a name="l00085"></a>00085 <a name="l00086"></a>00086 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>->DrawNow();<a name="l00087"></a>00087 }<a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="comment">// ---------------------------------------------------------</span><a name="l00090"></a>00090 <span class="comment">// CBrCtlSampleAppLayoutObserver::UpdateTitle</span><a name="l00091"></a>00091 <span class="comment">// ---------------------------------------------------------</span><a name="l00092"></a>00092 <span class="comment">//</span><a name="l00093"></a><a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#c98cea34681bc42a61e98ba0eafef6ba">00093</a> <span class="keywordtype">void</span> <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#c98cea34681bc42a61e98ba0eafef6ba">CBrCtlSampleAppLayoutObserver::UpdateTitleL</a>( <span class="keyword">const</span> TDesC& <span class="comment">/*aTitle*/</span> )<a name="l00094"></a>00094 {<a name="l00095"></a>00095 }<a name="l00096"></a>00096 <a name="l00097"></a>00097 <span class="comment">//----------------------------------------------------------</span><a name="l00098"></a>00098 <span class="comment">// CBrCtlSampleAppLayoutObserver::ConstructL</span><a name="l00099"></a>00099 <span class="comment">// ---------------------------------------------------------</span><a name="l00100"></a>00100 <span class="comment">//</span><a name="l00101"></a><a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#1ab13f06c65a5d88cba6c0219ed3d5eb">00101</a> <span class="keywordtype">void</span> <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#1ab13f06c65a5d88cba6c0219ed3d5eb">CBrCtlSampleAppLayoutObserver::ConstructL</a>(<a class="code" href="class_c_br_ctl_sample_app_container.html">CBrCtlSampleAppContainer</a>* aContainer)<a name="l00102"></a>00102 {<a name="l00103"></a>00103 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a> = aContainer;<a name="l00104"></a>00104 }<a name="l00105"></a>00105 <a name="l00106"></a>00106 <span class="comment">// ---------------------------------------------------------</span><a name="l00107"></a>00107 <span class="comment">// CBrCtlSampleAppObserver::~CBrCtlSampleAppObserver</span><a name="l00108"></a>00108 <span class="comment">// ---------------------------------------------------------</span><a name="l00109"></a>00109 <span class="comment">//</span><a name="l00110"></a><a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#1f5b8e19484ef0b486ea94d5d4e531ee">00110</a> <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#1f5b8e19484ef0b486ea94d5d4e531ee">CBrCtlSampleAppLayoutObserver::~CBrCtlSampleAppLayoutObserver</a>()<a name="l00111"></a>00111 {<a name="l00112"></a>00112 }<a name="l00113"></a>00113 <a name="l00114"></a>00114 <a name="l00115"></a>00115 <span class="comment">// ---------------------------------------------------------</span><a name="l00116"></a>00116 <span class="comment">// CBrCtlSampleAppObserver::NewL</span><a name="l00117"></a>00117 <span class="comment">// ---------------------------------------------------------</span><a name="l00118"></a>00118 <span class="comment">//</span><a name="l00119"></a><a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#4fd01c832782cfd14178a08789e4d753">00119</a> <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html">CBrCtlSampleAppLayoutObserver</a>* <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html#4fd01c832782cfd14178a08789e4d753">CBrCtlSampleAppLayoutObserver::NewL</a>(<a class="code" href="class_c_br_ctl_sample_app_container.html">CBrCtlSampleAppContainer</a>* aContainer)<a name="l00120"></a>00120 {<a name="l00121"></a>00121 <a class="code" href="class_c_br_ctl_sample_app_layout_observer.html">CBrCtlSampleAppLayoutObserver</a>* <span class="keyword">self</span> = <span class="keyword">new</span>(ELeave)<a class="code" href="class_c_br_ctl_sample_app_layout_observer.html">CBrCtlSampleAppLayoutObserver</a>();<a name="l00122"></a>00122 CleanupStack::PushL(<span class="keyword">self</span>);<a name="l00123"></a>00123 <span class="keyword">self</span>->ConstructL(aContainer);<a name="l00124"></a>00124 CleanupStack::Pop();<a name="l00125"></a>00125 <span class="keywordflow">return</span> <span class="keyword">self</span>;<a name="l00126"></a>00126 }<a name="l00127"></a>00127 <a name="l00128"></a>00128 <span class="comment">// End of File </span><a name="l00129"></a>00129 </pre></div><hr><table x-use-null-cells style="x-cell-content-align: top; width: 100%; border-spacing: 0px; border-spacing: 0px;" cellspacing=0 width=100%> <col style="width: 50%;"> <col style="width: 50%;"> <tr style="x-cell-content-align: top;" valign=top> <td style="width: 50%; padding-right: 10px; padding-left: 10px; border-right-style: None; border-left-style: None; border-top-style: None; border-bottom-style: None;" width=50%> <p style="font-family: Arial;"><small style="font-size: smaller;">⌨️ 快捷键说明
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