--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/heapanalyser/Libraries/UI/HeapCtrlLib/Utilities/HeapRenderingNavigator.cs Tue Jun 15 12:47:20 2010 +0300
@@ -0,0 +1,203 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* - Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+* - Neither the name of Nokia Corporation nor the names of its contributors
+* may be used to endorse or promote products derived from this software
+* without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+using System;
+using System.Drawing;
+using HeapLib;
+using HeapLib.Cells;
+using HeapLib.Array;
+
+namespace HeapCtrlLib.Utilities
+{
+ public class HeapRenderingNavigator
+ {
+ #region Delegates
+ public delegate void NavBegin();
+ public delegate void NavEnd();
+ public delegate void NavHeapCellBegin( HeapCell aCell, uint aAddress, Point aPosition, Size aDimensions, Size aBoxSize, Size aPadding );
+ public delegate void NavHeapCellEnd( HeapCell aCell, HeapCellMetaData aMetaData, uint aAddress, Point aPosition, Size aDimensions, Size aBoxSize, Size aPadding );
+ public delegate void NavNewRowHeader( uint aAddress, Point aPosition, Size aDimensions, Size aBoxSize, Size aPadding );
+ public delegate void NavNewRowBody( HeapCellMetaData aMetaData, uint aAddress, Point aPosition, Size aDimensions, Size aBoxSize, Size aPadding );
+ public delegate void NavNewColumn( HeapCell aCell, HeapCellMetaData aMetaData, uint aAddress, Point aPixelPos, Point aBoxPos, Size aDimensions, Size aBoxSize, Size aPadding );
+ #endregion
+
+ #region Events
+ public event NavBegin iNavBegin;
+ public event NavEnd iNavEnd;
+ public event NavHeapCellBegin iNavHeapCellBegin;
+ public event NavHeapCellEnd iNavHeapCellEnd;
+ public event NavNewRowHeader iNavNewRowHeader;
+ public event NavNewRowBody iNavNewRowBody;
+ public event NavNewColumn iNavNewColumn;
+ #endregion
+
+ #region Constructors & destructor
+ public HeapRenderingNavigator( HeapCellArray aCells )
+ {
+ iCells = aCells;
+ //
+ iMetaData = new HeapCellMetaData( this );
+ }
+ #endregion
+
+ #region Properties
+ public HeapCellArray Cells
+ {
+ get { return iCells; }
+ }
+ #endregion
+
+ #region API
+ public void Navigate( int aStartingCellIndex, uint aStartingAddress, int aHeaderTextWidth, Point aStartOffset, Size aDimensions, Size aBoxSize, Size aPadding )
+ {
+ // This is the size of the cell including padding
+ Size cellSizeIncPadding = aBoxSize + aPadding;
+
+ if ( Cells.Count > 0 )
+ {
+ // The co-ordinates at which we will render a box (or header).
+ Point pos = new Point( aStartOffset.X, aStartOffset.Y - cellSizeIncPadding.Height );
+
+ // The index of the current heap cell within the iCells data structure.
+ // We start one before the requested cell, since we immediately skip
+ // on to the next one during the initialisation phase.
+ int cellIndex = aStartingCellIndex - 1;
+
+ // The total number of cells we have to work with
+ int cellCount = Cells.Count;
+
+ // The cell we are rendering. This changes as we move through the capture data.
+ HeapCell cell = null;
+
+ // The address of the currently paining box
+ uint address = aStartingAddress;
+
+ // Notify that we are starting.
+ if ( iNavBegin != null )
+ {
+ iNavBegin();
+ }
+
+ // Draw the cells
+ bool abort = false;
+ for( int row = 0; row < aDimensions.Height && !abort; row++ )
+ {
+ // Handle the header at the start of each row
+ pos.X = aStartOffset.X;
+ pos.Y += cellSizeIncPadding.Height;
+ if ( iNavNewRowHeader != null )
+ {
+ iNavNewRowHeader( address, pos, aDimensions, aBoxSize, aPadding );
+ }
+
+ // Move forwards, past the header
+ pos.X += aHeaderTextWidth;
+ if ( iNavNewRowBody != null )
+ {
+ iNavNewRowBody( iMetaData, address, pos, aDimensions, aBoxSize, aPadding );
+ }
+
+ // Prepare for columns in this row
+ //System.Diagnostics.Debug.WriteLine( "Nav[" /*+ col.ToString("d2")*/ + "00," + row.ToString("d2") + "], ");
+ //System.Diagnostics.Debug.Write( ".");
+ for( int col = 0; col < aDimensions.Width && !abort; col++ )
+ {
+ // Do we need to also move to the next cell?
+ if ( cell == null || cell.RegionForAddress( address ) == HeapCell.TRegion.EAfterCell )
+ {
+ // Notify finishing a cell
+ if ( cell != null && iNavHeapCellEnd != null )
+ {
+ iNavHeapCellEnd( cell, iMetaData, address, pos, aDimensions, aBoxSize, aPadding );
+ }
+
+ if ( cellIndex < cellCount - 1 )
+ {
+ // Get next cell
+ cell = Cells[ ++cellIndex ];
+
+ // Notify starting a cell
+ if ( iNavHeapCellBegin != null )
+ {
+ iNavHeapCellBegin( cell, address, pos, aDimensions, aBoxSize, aPadding );
+ }
+ }
+ else
+ {
+ abort = true;
+ break;
+ }
+ }
+ //
+ if ( !abort )
+ {
+ // Notify starting a new box
+ if ( iNavNewColumn != null )
+ {
+ iNavNewColumn( cell, iMetaData, address, pos, new Point( col, row ), aDimensions, aBoxSize, aPadding );
+ }
+
+ // Move to next address & position
+ pos.X += cellSizeIncPadding.Width;
+ address += SymbianUtils.RawItems.RawItem.KSizeOfOneRawItemInBytes;
+ }
+ }
+ }
+
+ if ( !abort )
+ {
+ if ( cell != null && iNavHeapCellEnd != null )
+ {
+ iNavHeapCellEnd( cell, iMetaData, address, pos, aDimensions, aBoxSize, aPadding );
+ }
+ }
+
+ // Notify that we are ending
+ if ( iNavEnd != null )
+ {
+ iNavEnd();
+ }
+ }
+ }
+ #endregion
+
+ #region Data members
+ private readonly HeapCellArray iCells;
+ private readonly HeapCellMetaData iMetaData;
+ #endregion
+ }
+}