/*

* 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 System.Collections;

using System.Collections.Generic;

using System.ComponentModel;

using System.Windows.Forms;

using System.Text;

using SymbianUtils;

using HeapLib;

using HeapLib.Cells;

using HeapLib.Array;

using HeapLib.Relationships;

using HeapLib.Reconstructor;

using HeapLib.Statistics.Tracking.Base;

using HeapLib.Statistics.Tracking.BySymbol;

using HeapLib.Reconstructor.DataSources;

namespace HeapUiLib.Controls

{

    public partial class HeapCellInfoControl : UserControl

    {

        #region Constructors & destructor

        public HeapCellInfoControl()

        {

            InitializeComponent();

        }

        #endregion

        #region Properties

        public bool ShowStackBasedFunctionAddresses

        {

            get { return iShowStackBasedFunctionAddresses; }

            set 

            { 

                iShowStackBasedFunctionAddresses = value; 

                if ( value )

                {

                    iLVInfoCellHeader.Items[ 3 ].Text = "Symbol #1";

                    iLVInfoCellHeader.Items[ 4 ].Text = "Symbol #2";

                }

                else

                {

                    iLVInfoCellHeader.Items[ 3 ].Text = "Nesting level";

                    iLVInfoCellHeader.Items[ 4 ].Text = "Allocation #";

                }

            }

        }

        public HeapCell Cell

        {

            set

            {

                if ( value != null )

                {

                    UpdateInfoHeaderListView( value );

                    UpdateInfoPayloadListView( value );

                }

            }

        }

        #endregion

        #region Internal methods

        private void UpdateInfoHeaderListView( HeapCell aCell )

        {

            // Address

            iLVInfoCellHeader.Items[ 0 ].SubItems[ 1 ].Text = "0x" + aCell.Address.ToString( "x8" );

            // Payload address

            iLVInfoCellHeader.Items[ 1 ].SubItems[ 1 ].Text = "0x" + aCell.StartOfPayloadAddress.ToString( "x8" ) + " -> 0x" + aCell.EndAddress.ToString( "x8" );

            // Length

            iLVInfoCellHeader.Items[ 2 ].SubItems[ 1 ].Text = aCell.Length.ToString();

            // Nesting level

            string nestingLevel = "N/A (Release EUSER)";

            if ( aCell.Type == HeapCell.TType.EFree )

            {

                nestingLevel = "N/A (Free Cell)";

            }

            else if ( ShowStackBasedFunctionAddresses )

            {

                nestingLevel = "Unknown";

                if ( aCell.Symbol2 != null )

                {

                    nestingLevel = aCell.Symbol2.Address.ToString( "x8" ) + " " + aCell.Symbol2.Name;

                }

            }

            else if ( HeapCell.IsDebugAllocator )

            {

                nestingLevel = aCell.NestingLevel.ToString();

            }

            iLVInfoCellHeader.Items[ 3 ].SubItems[ 1 ].Text = nestingLevel;

            // Allocation #

            string allocNumber = "N/A (Release EUSER)";

            if ( aCell.Type == HeapCell.TType.EFree )

            {

                allocNumber = "N/A (Free Cell)";

            }

            else if ( ShowStackBasedFunctionAddresses )

            {

                allocNumber = "Unknown";

                if ( aCell.Symbol3 != null )

                {

                    allocNumber = aCell.Symbol3.Address.ToString( "x8" ) + " " + aCell.Symbol3.Name;

                }

            }

            else if ( HeapCell.IsDebugAllocator )

            {

                allocNumber = aCell.AllocationNumber.ToString();

            }

            iLVInfoCellHeader.Items[ 4 ].SubItems[ 1 ].Text = allocNumber;

        }

        private void UpdateInfoPayloadListView( HeapCell aCell )

        {

            // Length

            iLVInfoCellPayload.Items[ 0 ].SubItems[ 1 ].Text = aCell.PayloadLength.ToString();

            // Symbol

            if ( aCell.Symbol != null )

            {

                iLVInfoCellPayload.Items[ 1 ].SubItems[ 1 ].Text = aCell.Symbol.NameWithoutVTablePrefix;

            }

            else if ( aCell.Type == HeapCell.TType.EFree )

            {

                iLVInfoCellPayload.Items[ 1 ].SubItems[ 1 ].Text = "N/A (Free Cell)";

            }

            else

            {

                iLVInfoCellPayload.Items[ 1 ].SubItems[ 1 ].Text = "???";

            }

        }

        #endregion

        #region Event handlers

        private void HeapCellInfoControl_SizeChanged( object sender, EventArgs e )

        {

            int col1Width = iLVInfoCellHeader.Columns[ 0 ].Width;

            int col2Width = iLVInfoCellHeader.Columns[ 1 ].Width;

            int width = iLVInfoCellHeader.Width;

            iLVInfoCellHeader.Columns[ 1 ].Width = width - col1Width;

        }

        private void iLVInfoCellHeader_KeyDown( object sender, KeyEventArgs e )

        {

            bool wasControl = ( e.Modifiers & Keys.Control ) == Keys.Control;

            if ( wasControl && ( e.KeyCode == Keys.C ) )

            {

                if ( iLVInfoCellHeader.SelectedItems != null && iLVInfoCellHeader.SelectedItems.Count > 0 )

                {

                    ListViewItem item = iLVInfoCellHeader.SelectedItems[ 0 ];

                    ListViewItem.ListViewSubItem infoItem = item.SubItems[ 1 ];

                    Clipboard.SetText( infoItem.Text.Trim() );

                }

            }

        }

        #endregion

        #region Data members

        private bool iShowStackBasedFunctionAddresses = false;

        #endregion

    }

}