FCL/sftools/ana/dynaanaapps: comparison sysperfana/heapanalyser/Libraries/UI/HeapCtrlLib/Utilities/HeapRenderingNavigator.cs

equal deleted inserted replaced

-:8e12a575a9b5
+:15296fd0af4a
+/*
+* 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
+}
+}