uiacceltk/hitchcock/Client/src/alfanchorlayout.cpp
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     1 /*
       
     2 * Copyright (c) 2006 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 "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:   Anchor layout
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #include "alf/alfanchorlayout.h"
       
    21 #include "alf/alfcontrol.h"
       
    22 #include "alf/alfenv.h"
       
    23 #include "alfclient.h"
       
    24 #include "alf/alfconstants.h"
       
    25 #include "alf/alfgencomponent.h"
       
    26 #include "alflogger.h"
       
    27 
       
    28 #include <uiacceltk/HuiUtil.h>
       
    29 
       
    30 /** Specifies a cardinal point for an anchor corner. These would
       
    31  *  typically be used in pairs to specify the top left and bottom right
       
    32  *  anchor points of a layout. 
       
    33  */
       
    34 NONSHARABLE_STRUCT(TCornerAnchor)
       
    35         {
       
    36         /** <code>ETrue</code>, if this corner anchor should be applied. */
       
    37         TBool iActive;
       
    38 
       
    39         /** Horizontal origin. */
       
    40         TAlfAnchorOrigin iHorizontalOrigin;
       
    41 
       
    42         /** Vertical origin. */
       
    43         TAlfAnchorOrigin iVerticalOrigin;
       
    44 
       
    45         /** Horizontal offset type. */
       
    46         TAlfAnchorMetric iHorizontalMetric;
       
    47 
       
    48         /** Horizontal offset type. */
       
    49         TAlfAnchorMetric iVerticalMetric;
       
    50 
       
    51         /** Offset in coordinates or relative to size (e.g., 1.0 * width). */
       
    52         TAlfTimedPoint iOffset;
       
    53         };
       
    54 
       
    55 /** Anchor that defines a visual's position and/or size. */
       
    56 NONSHARABLE_STRUCT(TAnchor)
       
    57         {
       
    58         /** Child ordinal to which the anchor applies. */
       
    59         TInt iOrdinal;
       
    60 
       
    61         /** Anchor for the top left corner (i.e., SetPos(tl)). */
       
    62         TCornerAnchor iTl;
       
    63 
       
    64         /** Anchor for the bottom right corner (i.e., SetSize(br - tl)). */
       
    65         TCornerAnchor iBr;
       
    66         };
       
    67 
       
    68 
       
    69 
       
    70 // ======== LOCAL FUNCTIONS ========
       
    71 
       
    72 
       
    73 // ======== MEMBER FUNCTIONS ========
       
    74 
       
    75 // ---------------------------------------------------------------------------
       
    76 // 1st phase constructor
       
    77 // ---------------------------------------------------------------------------
       
    78 //
       
    79 EXPORT_C CAlfAnchorLayout::CAlfAnchorLayout()
       
    80     : CAlfLayout()
       
    81     {
       
    82     }
       
    83 
       
    84 
       
    85 // ---------------------------------------------------------------------------
       
    86 // 2nd phase constructor
       
    87 // ---------------------------------------------------------------------------
       
    88 //
       
    89 EXPORT_C void CAlfAnchorLayout::ConstructL(CAlfControl& aOwner)
       
    90     {
       
    91     CAlfLayout::ConstructL(aOwner);
       
    92     }
       
    93 
       
    94 // ---------------------------------------------------------------------------
       
    95 // Destructor
       
    96 // ---------------------------------------------------------------------------
       
    97 //
       
    98 EXPORT_C CAlfAnchorLayout::~CAlfAnchorLayout()
       
    99     {
       
   100     }
       
   101 
       
   102 
       
   103 // ---------------------------------------------------------------------------
       
   104 // Creates new anchor layout for the control.
       
   105 // ---------------------------------------------------------------------------
       
   106 //
       
   107 EXPORT_C CAlfAnchorLayout* CAlfAnchorLayout::AddNewL(
       
   108     CAlfControl& aOwnerControl,
       
   109     CAlfLayout* aParentLayout )
       
   110     {
       
   111     CAlfAnchorLayout* layout = STATIC_CAST(CAlfAnchorLayout*,
       
   112         aOwnerControl.AppendLayoutL(EAlfLayoutTypeAnchor, aParentLayout));
       
   113     return layout;
       
   114     }
       
   115 
       
   116 // ---------------------------------------------------------------------------
       
   117 // Resets anchors.
       
   118 // ---------------------------------------------------------------------------
       
   119 //
       
   120 EXPORT_C void CAlfAnchorLayout::Reset()
       
   121     {
       
   122     TBuf8<1> outDum;
       
   123     
       
   124     TInt err = Comms()->DoSynchronousCmd(EAlfAnchorLayoutReset, KNullDesC8(), outDum );
       
   125     
       
   126     if ( err )
       
   127         {
       
   128         __ALFLOGSTRING1( "CAlfAnchorLayout::Reset panic error %d", err )
       
   129         USER_INVARIANT();
       
   130         }
       
   131     }
       
   132 
       
   133 // ---------------------------------------------------------------------------
       
   134 // Sets anchor
       
   135 // ---------------------------------------------------------------------------
       
   136 //
       
   137 EXPORT_C TInt CAlfAnchorLayout::SetAnchor(
       
   138     TAlfAnchor aAnchor, 
       
   139     TInt aOrdinal,
       
   140     TAlfAnchorOrigin aHorizOrigin,
       
   141     TAlfAnchorOrigin aVertOrigin,
       
   142     TAlfAnchorMetric aHorizMetric,
       
   143     TAlfAnchorMetric aVertMetric,
       
   144     const TAlfTimedPoint& aOffset)
       
   145     {
       
   146     TAlfLayoutSetAnchorParams params;
       
   147     params.iAnchor = aAnchor;
       
   148     params.iOrdinal = aOrdinal;
       
   149     params.iHorizOrigin = aHorizOrigin;
       
   150     params.iVertOrigin = aVertOrigin;
       
   151     params.iHorizMetric = aHorizMetric;
       
   152     params.iVertMetric = aVertMetric;
       
   153     params.iOffset = aOffset;
       
   154     
       
   155     TPckg<TAlfLayoutSetAnchorParams> paramsPckg(params);
       
   156 
       
   157     TBuf8<1> dum;
       
   158     TInt err = Comms()->DoSynchronousCmd(EAlfAnchorLayoutSetAnchor, paramsPckg, dum );
       
   159     if ( err != KErrNone )
       
   160         {
       
   161         __ALFLOGSTRING1( "CAlfAnchorLayout::SetAnchor return error %d", err )
       
   162         }
       
   163     return err;
       
   164     }
       
   165 
       
   166 // ---------------------------------------------------------------------------
       
   167 // Set relative anchor rect
       
   168 // ---------------------------------------------------------------------------
       
   169 //
       
   170 EXPORT_C TInt CAlfAnchorLayout::SetRelativeAnchorRect(TInt aOrdinal,
       
   171                                         TAlfAnchorOrigin aTlHorizOrigin,
       
   172                                         TAlfAnchorOrigin aTlVertOrigin,
       
   173                                         const TAlfRealPoint& aTopLeftOffset,
       
   174                                         TAlfAnchorOrigin aBrHorizOrigin,
       
   175                                         TAlfAnchorOrigin aBrVertOrigin,
       
   176                                         const TAlfRealPoint& aBottomRightOffset)
       
   177     {
       
   178     TAlfLayoutSetRelativeAnchorRectParams params;
       
   179     params.iOrdinal = aOrdinal;
       
   180     params.iTlHorizOrigin = aTlHorizOrigin;
       
   181     params.iTlVertOrigin = aTlVertOrigin;
       
   182     params.iTopLeftOffset = aTopLeftOffset;
       
   183     params.iBrHorizOrigin = aBrHorizOrigin;
       
   184     params.iBrVertOrigin = aBrVertOrigin;
       
   185     params.iBottomRightOffset = aBottomRightOffset;
       
   186     
       
   187     TPckg<TAlfLayoutSetRelativeAnchorRectParams> paramsPckg(params);
       
   188     TBuf8<1> outDum;
       
   189     
       
   190     TInt err = Comms()->DoSynchronousCmd(EAlfAnchorLayoutSetRelativeAnchorRect, paramsPckg, outDum );
       
   191     if ( err != KErrNone )
       
   192         {
       
   193         __ALFLOGSTRING1( "CAlfAnchorLayout::SetRelativeAnchorRect return error %d", err )
       
   194         }
       
   195     return err;
       
   196     }
       
   197    
       
   198 // ---------------------------------------------------------------------------
       
   199 // Removes an anchor.
       
   200 // ---------------------------------------------------------------------------
       
   201 // 
       
   202 EXPORT_C void CAlfAnchorLayout::RemoveAnchor(TAlfAnchor aAnchor, TInt aOrdinal)
       
   203     {
       
   204     TInt2 params( aAnchor, aOrdinal );
       
   205     TPckg<TInt2> paramsPckg(params);
       
   206     TBuf8<1> outDum;
       
   207     
       
   208     TInt err = Comms()->DoSynchronousCmd(EAlfAnchorLayoutRemoveAnchor, paramsPckg, outDum );
       
   209     if ( err != KErrNone )
       
   210         {
       
   211         __ALFLOGSTRING1( "CAlfAnchorLayout::RemoveAnchor panic error %d", err )
       
   212         USER_INVARIANT(); 
       
   213         }
       
   214     }
       
   215 
       
   216 // ---------------------------------------------------------------------------
       
   217 // Attach edge
       
   218 // ---------------------------------------------------------------------------
       
   219 EXPORT_C TInt CAlfAnchorLayout::Attach(
       
   220     TInt aOrdinal,
       
   221     TAlfAnchorType aType, 
       
   222     const TAlfMetric& aOffset,
       
   223     TAlfAnchorAttachmentOrigin aAttachmentOrigin,
       
   224     TInt aAttachmentOrdinal)
       
   225     {
       
   226     TAlfMetric metric(aOffset);
       
   227     
       
   228     TAlfLayoutAttachEdgeParams params = 
       
   229         {
       
   230         aOrdinal,
       
   231         aType, 
       
   232         metric,
       
   233         aAttachmentOrigin,
       
   234         aAttachmentOrdinal
       
   235         };
       
   236 
       
   237     TPckg<TAlfLayoutAttachEdgeParams> paramsPckg(params);
       
   238     TBuf8<1> outDum;
       
   239     
       
   240     TInt err = Comms()->DoSynchronousCmd(EAlfAnchorLayoutAttachEdge, paramsPckg, outDum );
       
   241     if ( err != KErrNone )
       
   242         {
       
   243         __ALFLOGSTRING1( "CAlfAnchorLayout::Attach error %d", err )
       
   244         }
       
   245         
       
   246     return err;
       
   247     }
       
   248 
       
   249 
       
   250 
       
   251 // ---------------------------------------------------------------------------
       
   252 // Attach corner
       
   253 // ---------------------------------------------------------------------------
       
   254 EXPORT_C TInt CAlfAnchorLayout::Attach(
       
   255     TInt aOrdinal,
       
   256     TAlfAnchorType aType, 
       
   257     const TAlfXYMetric& aOffset,
       
   258     TAlfAnchorAttachmentOrigin aAttachmentOrigin,
       
   259     TInt aAttachmentOrdinal)
       
   260     {
       
   261     TAlfLayoutAttachCornerParams params = 
       
   262         {
       
   263         aOrdinal,
       
   264         aType, 
       
   265         aOffset,
       
   266         aAttachmentOrigin,
       
   267         aAttachmentOrdinal
       
   268         };
       
   269 
       
   270     TPckg<TAlfLayoutAttachCornerParams> paramsPckg(params);
       
   271     TBuf8<1> outDum;
       
   272     
       
   273     TInt err = Comms()->DoSynchronousCmd(EAlfAnchorLayoutAttachCorner, paramsPckg, outDum );
       
   274     if ( err != KErrNone )
       
   275         {
       
   276         __ALFLOGSTRING1( "CAlfAnchorLayout::Attach error %d", err )
       
   277         }
       
   278     return err;
       
   279     }
       
   280 
       
   281 // ---------------------------------------------------------------------------
       
   282 // Attach box
       
   283 // ---------------------------------------------------------------------------
       
   284 EXPORT_C TInt CAlfAnchorLayout::Attach(
       
   285     TInt aOrdinal,
       
   286     const TAlfBoxMetric& aOffset,
       
   287     TAlfAnchorAttachmentOrigin aAttachmentOrigin,
       
   288     TInt aAttachmentOrdinal)
       
   289     {
       
   290     TAlfLayoutAttachBoxParams params = 
       
   291         {
       
   292         aOrdinal,
       
   293         aOffset,
       
   294         aAttachmentOrigin,
       
   295         aAttachmentOrdinal
       
   296         };
       
   297 
       
   298     TPckg<TAlfLayoutAttachBoxParams> paramsPckg(params);
       
   299     TBuf8<1> outDum;
       
   300     
       
   301     TInt err = Comms()->DoSynchronousCmd(EAlfAnchorLayoutAttachBox, paramsPckg, outDum );
       
   302     if ( err != KErrNone )
       
   303         {
       
   304         __ALFLOGSTRING1( "CAlfAnchorLayout::Attach error %d", err )
       
   305         }
       
   306     return err;        
       
   307     }
       
   308 
       
   309 
       
   310 // ---------------------------------------------------------------------------
       
   311 // Detach all anchors
       
   312 // ---------------------------------------------------------------------------
       
   313 EXPORT_C void CAlfAnchorLayout::Detach(TInt aOrdinal)
       
   314     {
       
   315     TInt param( aOrdinal );
       
   316     TPckg<TInt> paramsPckg(param);
       
   317     TBuf8<1> outDum;
       
   318     
       
   319     TInt err = Comms()->DoSynchronousCmd(EAlfAnchorLayoutDetachAll, paramsPckg, outDum );
       
   320     if ( err != KErrNone )
       
   321         {
       
   322         __ALFLOGSTRING1( "CAlfAnchorLayout::Detach panic error %d", err )
       
   323         USER_INVARIANT(); 
       
   324         }    
       
   325     }
       
   326     
       
   327 // ---------------------------------------------------------------------------
       
   328 // Detach anchor
       
   329 // ---------------------------------------------------------------------------
       
   330 EXPORT_C void CAlfAnchorLayout::Detach(TInt aOrdinal, TAlfAnchorType aType)
       
   331     {
       
   332     TInt2 params( aOrdinal, aType );
       
   333     TPckg<TInt2> paramsPckg(params);
       
   334     TBuf8<1> outDum;
       
   335     
       
   336     TInt err = Comms()->DoSynchronousCmd(EAlfAnchorLayoutDetach, paramsPckg, outDum );
       
   337     if ( err != KErrNone )
       
   338         {
       
   339         __ALFLOGSTRING1( "CAlfAnchorLayout::Detach panic error %d", err )
       
   340         USER_INVARIANT(); 
       
   341         }    
       
   342     }
       
   343 
       
   344 // ---------------------------------------------------------------------------
       
   345 // Place holder from CAlfVisual
       
   346 // ---------------------------------------------------------------------------
       
   347 //     
       
   348 EXPORT_C void CAlfAnchorLayout::RemoveAndDestroyAllD()
       
   349     {
       
   350     CAlfLayout::RemoveAndDestroyAllD();
       
   351     }
       
   352   
       
   353 // ---------------------------------------------------------------------------
       
   354 // Place holder from CAlfVisual
       
   355 // ---------------------------------------------------------------------------
       
   356 //  
       
   357 EXPORT_C void CAlfAnchorLayout::UpdateChildrenLayout(TInt aTransitionTime )
       
   358     {
       
   359     CAlfLayout::UpdateChildrenLayout( aTransitionTime );
       
   360     }
       
   361   
       
   362 // ---------------------------------------------------------------------------
       
   363 // Place holder from CAlfVisual
       
   364 // ---------------------------------------------------------------------------
       
   365 //  
       
   366 EXPORT_C CAlfVisual* CAlfAnchorLayout::FindTag(const TDesC8& aTag)
       
   367     {
       
   368     return CAlfLayout::FindTag( aTag );
       
   369     }
       
   370 
       
   371 // ---------------------------------------------------------------------------
       
   372 // Place holder from CAlfVisual
       
   373 // ---------------------------------------------------------------------------
       
   374 //  
       
   375 EXPORT_C void CAlfAnchorLayout::DoRemoveAndDestroyAllD()
       
   376     {
       
   377     CAlfLayout::DoRemoveAndDestroyAllD();
       
   378     }
       
   379     
       
   380 // ---------------------------------------------------------------------------
       
   381 // Place holder from CAlfLayout
       
   382 // ---------------------------------------------------------------------------
       
   383 //  
       
   384 EXPORT_C TAlfXYMetric CAlfAnchorLayout::BaseUnit() const
       
   385     {
       
   386     return CAlfLayout::BaseUnit();
       
   387     }
       
   388     
       
   389 // ---------------------------------------------------------------------------
       
   390 //  future proofing  
       
   391 // ---------------------------------------------------------------------------
       
   392 //  
       
   393 EXPORT_C void CAlfAnchorLayout::PropertyOwnerExtension(const TUid& aExtensionUid, TAny** aExtensionParams)
       
   394     {
       
   395     CAlfLayout::PropertyOwnerExtension(aExtensionUid,aExtensionParams);
       
   396     }
       
   397     
       
   398