/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Browser View

*

*/

// INCLUDE FILES

#include <aknutils.h>

#include <gulicon.h>

#include <StringLoader.h>

#include <data_caging_path_literals.hrh>

#include <eikbtgpc.h>

#include <eikapp.h>

#include <AknsUtils.h>

#include <e32math.h>

#include <browser.mbg>

#include "BrowserShortcutKeyMap.h"

#include "BrowserContentViewContainer.h"

#include "BrowserPreferences.h"

#include "BrowserWindowManager.h"

#include "BrowserWindow.h"

#include "ApiProvider.h"

#include "BrowserUIVariant.hrh"

#include "BrowserAppUi.h"

#include <AknBidiTextUtils.h> 

// CONSTANTS

_LIT( KKeyMapSvgFile, "browser.mif" );

// Value table for 70% Transparency

const TInt KTransparency[256] =

    {

    0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7,

    8, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 13, 13, 13,

    14, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 19,

    19, 19, 20, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 23, 24, 24,

    24, 25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 29,

    30, 30, 30, 31, 31, 31, 32, 32, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35,

    35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 38, 38, 39, 39, 39, 40, 40, 40,

    41, 41, 41, 41, 42, 42, 42, 43, 43, 43, 44, 44, 44, 44, 45, 45, 45, 46,

    46, 46, 47, 47, 47, 47, 48, 48, 48, 49, 49, 49, 50, 50, 50, 50, 51, 51,

    51, 52, 52, 52, 53, 53, 53, 53, 54, 54, 54, 55, 55, 55, 56, 56, 56, 56,

    57, 57, 57, 58, 58, 58, 59, 59, 59, 59, 60, 60, 60, 61, 61, 61, 62, 62,

    62, 62, 63, 63, 63, 64, 64, 64, 65, 65, 65, 65, 66, 66, 66, 67, 67, 67,

    68, 68, 68, 68, 69, 69, 69, 70, 70, 70, 71, 71, 71, 71, 72, 72, 72, 73,

    73, 73, 74, 74, 74, 74, 75, 75, 75, 76, 76, 76, 77, 77

    };

// keymap is 3x4

#define KNumCellsX 3

#define KNumCellsY 4

#define KNumCells  12

// spacing in pixels for scroll bars

#define KKeymapHScrollbarSize 4

#define KKeymapVScrollbarSize 4

// sizing for entire keymap (not counting scrollbar)

// as a percentage of vertical and horizontal screen size

#define KKeymapVSize 0.90

#define KKeymapHSize 0.90

// margins for each cell

#define KCellTopMargin    2

#define KCellRightMargin  5

#define KCellBotMargin    2

#define KCellLeftMargin   5

// Create constant icon assignments for each command

// note that this follows TShortcutsCommandDecodeEntry in BrowserPreferences.h

typedef const TInt TShortcutsIconAndTextDecodeEntry[2];

#define KShortcutsIconAndTextAssignmentSize 22

#define KShortcutsIconAndTextDecodeMatrixText  0  // First entry is the Text

#define KShortcutsIconAndTextDecodeMatrixIcon  1  // Second entry is the Icon

static const TShortcutsIconAndTextDecodeEntry KShortcutsIconAndTextAssignmentMatrix[] =

{

    /* 0   EWmlNoCmd,                       */  { R_BROWSER_KEYMAP_TEXT_NONE,               EMbmBrowserQgn_indi_browser_tb_key_map      },

    /* 1   EWmlCmdHelp,                     */  { R_BROWSER_KEYMAP_TEXT_SHOW_HELP,          EMbmBrowserQgn_indi_browser_tb_help         },

    /* 2   EWmlCmdSwitchWindow,             */  { R_BROWSER_KEYMAP_TEXT_SWITCH_WINDOW,      EMbmBrowserQgn_indi_browser_tb_switch_win   },

    /* 3   EWmlCmdSavePage,                 */  { R_BROWSER_KEYMAP_TEXT_SAVE_PAGE,          EMbmBrowserQgn_indi_browser_tb_save_page    },

    /* 4   EWmlCmdShowImages,               */  { R_BROWSER_KEYMAP_TEXT_VIEW_IMAGES,        EMbmBrowserQgn_indi_browser_tb_view_images  },

    /* 5   EWmlCmdHistory,                  */  { R_BROWSER_KEYMAP_TEXT_VISUAL_HISTORY,     EMbmBrowserQgn_indi_browser_tb_view_pages   },

    /* 6   EWmlCmdFavourites,               */  { R_BROWSER_KEYMAP_TEXT_MANAGE_BOOKMARKS,   EMbmBrowserQgn_indi_browser_tb_bm           },

    /* 7   EWmlCmdShowSubscribeList,        */  { R_BROWSER_KEYMAP_TEXT_SUBSCRIBE_TO_FEEDS, EMbmBrowserQgn_indi_browser_tb_rss          },

    /* 8   EWmlCmdRotateDisplay,            */  { R_BROWSER_KEYMAP_TEXT_ROTATE_SCREEN,      EMbmBrowserQgn_indi_browser_tb_rotate       },

    /* 9   EWmlCmdPreferences,              */  { R_BROWSER_KEYMAP_TEXT_SETTINGS,           EMbmBrowserQgn_indi_browser_tb_settings     },

    /* 10  EWmlCmdZoomOut,                  */  { R_BROWSER_KEYMAP_TEXT_ZOOM_OUT,           EMbmBrowserQgn_indi_browser_tb_zoom_out     },

    /* 11  EWmlCmdZoomIn,                   */  { R_BROWSER_KEYMAP_TEXT_ZOOM_IN,            EMbmBrowserQgn_indi_browser_tb_zoom_in      },

    /* 12  EWmlCmdLaunchHomePage,           */  { R_BROWSER_KEYMAP_TEXT_GO_TO_HOMEPAGE,     EMbmBrowserQgn_indi_browser_tb_home         },

    /* 13  EWmlCmdOneStepBack,              */  { R_BROWSER_KEYMAP_TEXT_PREVIOUS_PAGE,      EMbmBrowserQgn_indi_browser_tb_back         },

    /* 14  EWmlCmdShowMiniature,            */  { R_BROWSER_KEYMAP_TEXT_MINIATURE_SHOW,     EMbmBrowserQgn_indi_browser_tb_page         },

    /* 15  EWmlCmdReload,                   */  { R_BROWSER_KEYMAP_TEXT_RELOAD,             EMbmBrowserQgn_indi_browser_tb_reload       },

    /* 16  EWmlCmdFindKeyword,              */  { R_BROWSER_KEYMAP_TEXT_FIND_KEYWORD,       EMbmBrowserQgn_indi_browser_tb_find_kw      },

    /* 17  EWmlCmdSaveAsBookmark,           */  { R_BROWSER_KEYMAP_TEXT_SAVE_AS_BOOKMARK,   EMbmBrowserQgn_indi_browser_tb_save_bm      },

    /* 18  EWmlCmdGoToAddress,              */  { R_BROWSER_KEYMAP_TEXT_GO_TO_WEB_ADDRESS,  EMbmBrowserQgn_indi_browser_tb_goto         },

    /* 19  EWmlCmdShowToolBar,              */  { R_BROWSER_KEYMAP_TEXT_SHOW_TOOLBAR,       EMbmBrowserQgn_indi_browser_tb_tb           },

    /* 20  EWmlCmdShowShortcutKeymap,       */  { R_BROWSER_KEYMAP_TEXT_SHOW_KEYMAP,        EMbmBrowserQgn_indi_browser_tb_key_map      },

    /* 21  EWmlCmdEnterFullScreenBrowsing,  */  { R_BROWSER_KEYMAP_TEXT_FULL_SCREEN,        EMbmBrowserQgn_indi_button_exit_fs          },

};

// key assignments

static const TInt KDialpadAssignments[] =

{

    /*  0  */ R_BROWSER_KEYMAP_KEY0,

    /*  1  */ R_BROWSER_KEYMAP_KEY1,

    /*  2  */ R_BROWSER_KEYMAP_KEY2,

    /*  3  */ R_BROWSER_KEYMAP_KEY3,

    /*  4  */ R_BROWSER_KEYMAP_KEY4,

    /*  5  */ R_BROWSER_KEYMAP_KEY5,

    /*  6  */ R_BROWSER_KEYMAP_KEY6,

    /*  7  */ R_BROWSER_KEYMAP_KEY7,

    /*  8  */ R_BROWSER_KEYMAP_KEY8,

    /*  9  */ R_BROWSER_KEYMAP_KEY9,

    /* 10  */ R_BROWSER_KEYMAP_KEY10,

    /* 11  */ R_BROWSER_KEYMAP_KEY11

};

// ============================= LOCAL FUNCTIONS ===============================

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// TKeymapCellData::TKeymapCellData

// TKeymapCellData Utility Class constructor

// -----------------------------------------------------------------------------

TKeymapCellData::TKeymapCellData() :

    keyText(NULL),

    lineText(NULL),

    cmdRscId(NULL),

    keyBitmapImage(NULL),

    keyBitmapMask(NULL)

    {

    }

// -----------------------------------------------------------------------------

// TKeymapCellData::TKeymapCellData

// TKeymapCellData Utility Class destructor

// -----------------------------------------------------------------------------

TKeymapCellData::~TKeymapCellData()

    {

    if(keyText) delete keyText;

    if(lineText) delete lineText;

    if(keyBitmapImage) delete keyBitmapImage;

    if(keyBitmapMask) delete keyBitmapMask;

    }

// -----------------------------------------------------------------------------

// CBrowserShortcutKeyMap::NewL

// The two-phase Symbian constructor

// -----------------------------------------------------------------------------

//

CBrowserShortcutKeyMap* CBrowserShortcutKeyMap::NewL( CBrowserContentViewContainer* aContentViewContainer, MApiProvider& aApiProvider )

    {

    CBrowserShortcutKeyMap* self = new (ELeave) CBrowserShortcutKeyMap( aContentViewContainer, aApiProvider );

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(); //self

    return self;

    }

// -----------------------------------------------------------------------------

// Destructor

// -----------------------------------------------------------------------------

CBrowserShortcutKeyMap::~CBrowserShortcutKeyMap()

    {

    // Close out array and delete data members

    iCellData.Close();

    // cleanup svg mbm file name

    if(iSvgMbmFile)

        {

        delete iSvgMbmFile;

        iSvgMbmFile = NULL;

        }

    // Cleanup Sprite data

    iSprite.Close();

    if(iSpriteBitmapDevice)

        {

        delete iSpriteBitmapDevice;

        iSpriteBitmapDevice = NULL;

        }

    if(iSpriteBitmapContext)

        {

        delete iSpriteBitmapContext;

        iSpriteBitmapContext = NULL;

        }

    if(iSpriteBitmap)

        {

        delete iSpriteBitmap;

        iSpriteBitmap = NULL;

        }

    if(iSpriteMaskBitmapDevice)

        {

        delete iSpriteMaskBitmapDevice;

        iSpriteMaskBitmapDevice = NULL;

        }

    if(iSpriteMaskBitmapContext)

        {

        delete iSpriteMaskBitmapContext;

        iSpriteMaskBitmapContext = NULL;

        }

    if(iSpriteMaskBitmap)

        {

        delete iSpriteMaskBitmap;

        iSpriteMaskBitmap = NULL;

        }

    }

// -----------------------------------------------------------------------------

// CBrowserShortcutKeyMap::CBrowserShortcutKeyMap

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CBrowserShortcutKeyMap::CBrowserShortcutKeyMap( CBrowserContentViewContainer* aContentViewContainer, MApiProvider& aApiProvider )

    : iContentViewContainer( aContentViewContainer ), iApiProvider( aApiProvider )

    {

    }

// -----------------------------------------------------------------------------

// CBrowserShortcutKeyMap::ConstructL

// The constructor that can contain code that might leave.

// -----------------------------------------------------------------------------

//

void CBrowserShortcutKeyMap::ConstructL()

    {

    //LoadResourceFileL();

    iSvgMbmFile = GetCannedImageDirL();

    iSvgMbmFile->Des().Append( KKeyMapSvgFile );

    InitKeymap();

    CreateBitmapAndContextL();

    ConstructSprite();

    }

// -----------------------------------------------------------------------------

// CBrowserShortcutKeyMap::InitKeymap

// Initialize Keymap properties

// -----------------------------------------------------------------------------

//

void CBrowserShortcutKeyMap::InitKeymap()

    {

    // derive keymap's size from the container's size

    iTargetRect = iContentViewContainer->Rect();

    // resize it to account for scrollbar width/height

    iTargetRect.Resize(-TSize(KKeymapHScrollbarSize,KKeymapVScrollbarSize));

    TBool landscape = iTargetRect.Size().iWidth > iTargetRect.Size().iHeight ; 

    //

    // derive shrink amounts based on keymap size constants and shrink the rect

    //

    TInt newHeight = (KKeymapVSize * iTargetRect.Size().iHeight);

    TInt newWidth  = (KKeymapHSize * iTargetRect.Size().iWidth);

    if(newWidth > KKeymapHSize * iTargetRect.Size().iWidth)

        {

        newWidth = (KKeymapHSize * iTargetRect.Size().iWidth);

        }

    // shrink the height and width slightly

    // as necessary to be evenly divisible by the rows/cols later on

    TReal remainder;

    TInt result;

    result = Math::Mod(remainder,newWidth,KNumCellsX);

    if((result == KErrNone) && (remainder != 0))

        {

        newWidth -= remainder;

        }

    result = Math::Mod(remainder,newHeight,KNumCellsY);

    if((result == KErrNone) && (remainder != 0))

        {

        newHeight -= remainder;

        }

    TInt hShrink = (iTargetRect.Size().iWidth - newWidth)/2;

    TInt vShrink = (iTargetRect.Size().iHeight - newHeight)/2;

    iTargetRect.Shrink(TSize(hShrink,vShrink));

    // Set font types

    iLineFont = LatinPlain12();

    if (landscape)

        { // in landscape need to shrink the font or else it gets clipped

        iKeyFont = LatinBold13();

        }

    else

        {

        iKeyFont = LatinBold16();

        }

    // init cell data

    InitCellDataL();

    }

// -----------------------------------------------------------------------------

// CBrowserShortcutKeyMap::InitCellDataL

// Initialize Keymap data kept for each cell of the map

// -----------------------------------------------------------------------------

void CBrowserShortcutKeyMap::InitCellDataL()

    {

    for(TInt i = 0; i < KNumCells; i++)

        {

        TKeymapCellData* cellData = new (ELeave) TKeymapCellData();

        TInt shortcutAssign;

        // get the shortcut assignment from Browser Prefs

        switch(i)

            {

            case 0:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey1Cmd();

                break;

            case 1:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey2Cmd();

                break;

            case 2:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey3Cmd();

                break;

            case 3:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey4Cmd();

                break;

            case 4:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey5Cmd();

                break;

            case 5:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey6Cmd();

                break;

            case 6:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey7Cmd();

                break;

            case 7:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey8Cmd();

                break;

            case 8:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey9Cmd();

                break;

            case 9:

                shortcutAssign = iApiProvider.Preferences().ShortcutKeyStarCmd();

                break;

            case 10:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey0Cmd();

                break;

            case 11:

                shortcutAssign = iApiProvider.Preferences().ShortcutKeyHashCmd();

                break;

            default:

                shortcutAssign = iApiProvider.Preferences().ShortcutKey1Cmd();

                break;

            }

        cellData->cmdRscId = KShortcutsIconAndTextAssignmentMatrix[shortcutAssign][KShortcutsIconAndTextDecodeMatrixText];

        cellData->lineText = StringLoader::LoadLC(cellData->cmdRscId);

        // get shortcut key assignments and set dialpad assignments

        cellData->keyText = StringLoader::LoadLC(KDialpadAssignments[i]);

        // load the icon its mask (use a default if we're out of range)

        TInt iconId = EMbmBrowserQgn_indi_browser_tb_key_map;

        if(shortcutAssign < KShortcutsIconAndTextAssignmentSize)

            {

            iconId = KShortcutsIconAndTextAssignmentMatrix[shortcutAssign][KShortcutsIconAndTextDecodeMatrixIcon];

            }

        if(shortcutAssign == NULL)

            {

            cellData->keyBitmapImage = NULL;

            cellData->keyBitmapMask = NULL;

            }

        else

            {

            LoadSvg(iconId,

                    *iSvgMbmFile,

                    cellData->keyBitmapImage,

                    cellData->keyBitmapMask);

            }

        // add to the data array

        iCellData.Append(cellData);

        // remove keytext, linetext from stack

        CleanupStack::Pop(2);

        }

    }

// -----------------------------------------------------------------------------

// CBrowserShortcutKeyMap::CreateBitmapAndContextL

// Create the bitmap and context that will be used for the sprite

// -----------------------------------------------------------------------------

//

void CBrowserShortcutKeyMap::CreateBitmapAndContextL()

    {

    // Create Sprite Bitmap

    iSpriteBitmap = new (ELeave) CFbsBitmap;

    User::LeaveIfError( iSpriteBitmap->Create( iTargetRect.Size(), EColor16MA ) );

    iSpriteBitmapDevice = CFbsBitmapDevice::NewL( iSpriteBitmap );

    User::LeaveIfError( iSpriteBitmapDevice->CreateContext( iSpriteBitmapContext ) );

    // Create Mask Bitmap

    iSpriteMaskBitmap = new (ELeave) CFbsBitmap;

    User::LeaveIfError( iSpriteMaskBitmap->Create( iTargetRect.Size(), EColor16MA ) );

    iSpriteMaskBitmapDevice = CFbsBitmapDevice::NewL( iSpriteMaskBitmap );

    User::LeaveIfError( iSpriteMaskBitmapDevice->CreateContext( iSpriteMaskBitmapContext ) );

    TRect r( TPoint( 0, 0 ), iSpriteMaskBitmap->SizeInPixels());

    iSpriteMaskBitmapContext->SetBrushStyle( CGraphicsContext::ESolidBrush );

    iSpriteMaskBitmapContext->SetPenStyle( CGraphicsContext::ESolidPen );

    iSpriteMaskBitmapContext->SetBrushColor( TRgb( 0, 0, 0) );

    iSpriteMaskBitmapContext->SetPenColor( TRgb( 0, 0, 0) );

    iSpriteMaskBitmapContext->DrawRect(r);

    // Draw the rectangular outline

    iSpriteBitmapContext->SetBrushStyle( CGraphicsContext::ESolidBrush );

    iSpriteBitmapContext->SetPenStyle( CGraphicsContext::ESolidPen );

    iSpriteBitmapContext->SetBrushColor( TRgb( 242, 244, 242) );

    iSpriteBitmapContext->SetPenColor( TRgb( 100, 100, 0) );

    iSpriteBitmapContext->SetPenSize( TSize(2,2) );

    iSpriteBitmapContext->DrawRect(r);

    TSize cellSize(r.Width()/KNumCellsX,r.Height()/KNumCellsY);

    for(TInt i = 0; i < KNumCellsY; i++)

        {

        for(TInt j = 0; j < KNumCellsX; j++)

            {

            TInt cellIndex(i*KNumCellsX + j);

            CreateCellLayout( cellIndex, TPoint(j*cellSize.iWidth,i*cellSize.iHeight),cellSize);

            CreateSpriteCellL( cellIndex );

            }

        }

    }

// -----------------------------------------------------------------------------

// CBrowserShortcutKeyMap::CreateCellLayout

// Calculate the layout of the sprite rects for a given cell

// -----------------------------------------------------------------------------

void CBrowserShortcutKeyMap::CreateCellLayout(const TInt& aCellIndex, const TPoint& aUpperL, const TSize& aSize)

    {

    // Create pointer for easy access curr Cell

    TKeymapCellData* pCurrCell = iCellData[aCellIndex];

    // Create rect for Cell

    pCurrCell->r.SetRect(aUpperL, aSize);

    // Internally, Our Cell is sized accounting for margin

    // Setup this

    TPoint marginOffset(KCellLeftMargin, KCellTopMargin);

    TSize marginSize(KCellLeftMargin + KCellRightMargin, KCellTopMargin + KCellBotMargin);

    pCurrCell->rCell.SetRect( aUpperL + marginOffset, aSize - marginSize );

    // Upper LH key indicator

    TInt keyFontHeight = iKeyFont->HeightInPixels() + iKeyFont->DescentInPixels();

    pCurrCell->rKey.SetRect( pCurrCell->rCell.iTl, TSize(keyFontHeight, iKeyFont->MaxCharWidthInPixels()) );

    // Prep the line rects, calculating the position based upon the font size

    TInt lineFontHeight = iLineFont->HeightInPixels() + iLineFont->DescentInPixels();

    TSize lineSize(pCurrCell->rCell.Width(),lineFontHeight);

    TPoint lineAreaUpperLH(pCurrCell->rCell.iTl.iX, pCurrCell->rCell.iBr.iY - (2*lineSize.iHeight));

    // Set this point to be the upper left of the line(s) of text.

    // If we have two lines, this will be the upperLH of Line1

    // If we have one line, this will be the upperLH of Line2

    // This, we will use to set the rect size of the icon later

    pCurrCell->rLine1.SetRect(lineAreaUpperLH,lineSize);

    pCurrCell->rLine2.SetRect(lineAreaUpperLH + TPoint(0,lineSize.iHeight),lineSize);

    TPoint linesUpperLH = pCurrCell->rLine1.iTl;

    // CREATE the icon area from what is left over

    TPoint iconUpperLH(pCurrCell->rCell.iTl + TPoint(pCurrCell->rKey.Size().iWidth,0));

    TPoint iconLowerRH(pCurrCell->rCell.iBr.iX,linesUpperLH.iY);

    pCurrCell->rIcon.SetRect(iconUpperLH,iconLowerRH);

    // resize the icon rect to be square if its not already... according to its smallest dimension

    if(pCurrCell->rIcon.Height() > pCurrCell->rIcon.Width())

        {

        TSize sizeChange(0,pCurrCell->rIcon.Width() - pCurrCell->rIcon.Height());

        pCurrCell->rIcon.Resize(sizeChange);

        pCurrCell->rIcon.Move(TPoint(0,-sizeChange.iHeight/2));

        }

    else if(pCurrCell->rIcon.Width() > pCurrCell->rIcon.Height())

        {

        TSize sizeChange(pCurrCell->rIcon.Height() - pCurrCell->rIcon.Width(),0);

        pCurrCell->rIcon.Resize(sizeChange);

        pCurrCell->rIcon.Move(TPoint(-sizeChange.iWidth/2,0));

        }

    }