?? ebook.c

?? Actions ucOS-II mp3方案源碼,可以做參考
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/********************************************************************************
*                        SDK30F_D1
*                     music player main sub
*
*                (c) Copyright 2002, Actions Co,Ld.
*                        All Right Reserved
*
* File: ebook.c
* By  : wurui
* Version: 1> v1.00     first version     2005-9-19 8:28
*
*    $Id: ebook.c,v 1.20 2005/12/27 01:53:52 wurui Exp $
*******************************************************************************
*/
#include "main.h"  
#include "ebook.h"
#include "string.h"
#include "fifo.h"

#ifndef WIN32
#include "sdfs.h"
#endif
#ifdef WIN32
bool EBookTaskExistFlag = FALSE;
#endif

static OS_EVENT *ShowBookSem = 0;

void EBook_Task();
void EBook_KeyResolveInBook(book_vars *EBookTaskVars,int key);
void EBook_CreateFrameWindow(book_vars *EBookTaskVars);
void EBook_CreateBookWindow(book_vars *EBookTaskVars);
void EBook_ReadCurPage(book_vars *EBookTaskVars);
void EBook_ShowPrevLine(book_vars *EBookTaskVars);
void EBook_ShowNextLine(book_vars *EBookTaskVars);
void EBook_ShowCurPage(book_vars *EBookTaskVars);
void EBook_BackToMainTask(book_vars *EBookTaskVars);
void EBook_ReadPrevPage(book_vars *EBookTaskVars);
void EBook_ReadNextPage(book_vars *EBookTaskVars);
bool EBook_IsBookEnd(book_vars *EBookTaskVars);
void EBook_ResetBookWin(book_vars *EBookTaskVars);
void EBook_KeyResolveInList(book_vars *EBookTaskVars,int key);
void EBook_CreateListWindow(book_vars *EBookTaskVars);
void EBook_DeleteBookWindow(book_vars *EBookTaskVars);
void EBook_DeleteListWindow(book_vars *EBookTaskVars);
void EBook_ShowBookWindow(book_vars *EBookTaskVars);
void EBook_HideBookWindow(book_vars *EBookTaskVars);
void EBook_ShowListWindow(book_vars *EBookTaskVars);
void EBook_DealFSelMessage(book_vars *EBookTaskVars, msg_t *msg);
void EBook_GetMusicList(book_vars *EBookTaskVars);
void EBook_GetNextFile(book_vars *EBookTaskVars);
void EBook_GetPrevFile(book_vars *EBookTaskVars);
void EBook_ListBoxInc(book_vars *EBookTaskVars);
void EBook_ListBoxDec(book_vars *EBookTaskVars);
void EBook_SetLocation(book_vars *EBookTaskVars);
void EBook_DealFSelErr(book_vars *EBookTaskVars, msg_t *msg);

int GetDisplayStringForGui(const char * src,char *dst,int sel,int xlength);
int GetMaxSelForTask(const char * src,int xlength);

void cbCallBack_EBookLISTWindow(WM_MESSAGE* pMsg);
void cbCallBack_EBookReadWindow(WM_MESSAGE* pMsg);
void cbCallBack_KeyResolve(WM_MESSAGE* pMsg);

void GetBookFileName(book_vars *EBookTaskVars);
void GetBookFilePartName(book_vars *EBookTaskVars);   

void EBook_SemInit(msg_t *msg_list);
void EBook_ShowBookLock();
void EBook_ShowBookUnlock(); 
void EBook_SemExit();

void EBook_Task()
{
    msg_t   msg; 
    book_vars EBookTaskVars;
    msg_t   msg_list[10];       
                             
    char *ListEBookBox[6];
    char ebook_menu[65];
    int fileno[5];

    char Title[6];
    char book_ext[5];
    char *filesel_exts[2];    
    
    
    EBook_SemInit(msg_list);
    memset(&EBookTaskVars,0,sizeof(book_vars));
    OSSetTaskOwnPtr((unsigned int *)&EBookTaskVars, EBOOK_FACE_ID); 
    
    ListEBookBox[0] = &ebook_menu[0];
    ListEBookBox[1] = &ebook_menu[13];
    ListEBookBox[2] = &ebook_menu[26];
    ListEBookBox[3] = &ebook_menu[39];
    ListEBookBox[4] = &ebook_menu[52];
    ListEBookBox[5] = NULL;
    
    book_ext[0] = 'T';
    book_ext[1] = 'X';
    book_ext[2] = 'T';
    book_ext[3] = 0;
    book_ext[4] = 0;
    
    EBookTaskVars.infomation.fileflag = FALSE;
    Title[0] = 'E';
    Title[1] = 'B';
    Title[2] = 'O';
    Title[3] = 'O';
    Title[4] = 'K';
    Title[5] =  0;
    EBookTaskVars.point[0] = ListEBookBox;
    EBookTaskVars.point[1]= Title;
    EBookTaskVars.point[2]= fileno;
    

    EBookTaskVars.infomation.FifoCntNo = api_open(1, 0x0500000, 0x100000);
    api_SetSelMode(EBookTaskVars.infomation.FifoCntNo, 1, (int)book_ext);

    EBook_GetMusicList(&EBookTaskVars);
    EBook_CreateListWindow(&EBookTaskVars);

    while(1)
    {
        MYOSQPend(GUIToEBookWindow, &msg, 0); 
        
        switch(msg.type)
        {
        case MSG_REBUILDWIN:
            EBook_CreateListWindow(&EBookTaskVars);
            break;

        case MSG_KEY:
            MYOSQFlush(GUIToEBookWindow);
            if(EBookTaskVars.CurWinSel == 0)
            {
                EBook_KeyResolveInBook(&EBookTaskVars,msg.msg.data[0]);
                break;
            }
            if(EBookTaskVars.CurWinSel == 2)
            {
                EBook_KeyResolveInList(&EBookTaskVars,msg.msg.data[0]);
                break;
            }
        }
    } 
}
void EBook_GetMusicList(book_vars *EBookTaskVars)
{
    int i,result;
    char **ListEBookBox = EBookTaskVars->point[0];
    int *fileno = EBookTaskVars->point[2];
    
    for(i = 0; i < 5; i++)
    {
        fileno[i] = i+1;
        result = api_GetFileNameByNo(EBookTaskVars->infomation.FifoCntNo, ListEBookBox[i], i+1);
        if(result == 0)
        {
            ListEBookBox[i] = NULL;
            break;
        }
    }
}
void EBook_ListBoxInc(book_vars *EBookTaskVars)
{
    char **ListEBookBox = EBookTaskVars->point[0];
    int *fileno = EBookTaskVars->point[2];
    char *sav_charptr;
    int i,sav_int;

    sav_charptr = ListEBookBox[0];
    sav_int = fileno[0];
    for(i = 0; i< 4 ; i++ )
    {
        ListEBookBox[i] = ListEBookBox[i+1];
        fileno[i] = fileno[i+1];
    }
    ListEBookBox[4] = sav_charptr;
    fileno[4] = sav_int;
    WM_InvalidateWindow(EBookTaskVars->ChildWin[2]);
}

void EBook_ListBoxDec(book_vars *EBookTaskVars)
{
    char **ListEBookBox = EBookTaskVars->point[0];
    int *fileno = EBookTaskVars->point[2];
    char *sav_charptr;
    int i,sav_int;

    sav_charptr = ListEBookBox[4];
    sav_int = fileno[4];
    for(i = 4; i > 0 ; i-- )
    {
        ListEBookBox[i] = ListEBookBox[i-1];
        fileno[i] = fileno[i-1];
    }
    ListEBookBox[0] = sav_charptr;
    fileno[0] = sav_int;
    
    WM_InvalidateWindow(EBookTaskVars->ChildWin[2]);
}
void EBook_GetNextFile(book_vars *EBookTaskVars)
{
    msg_t msg_send;
    char **listbox;
    int *fileno;
    int result;
    
    listbox = EBookTaskVars->point[0];
    fileno = EBookTaskVars->point[2];

    result = api_GetFileNameByNo(EBookTaskVars->infomation.FifoCntNo, listbox[0], fileno[4] + 1);
    if(result == 0)
        return;
    fileno[0] = fileno[4] + 1;
    EBook_ListBoxInc(EBookTaskVars);
}
void EBook_GetPrevFile(book_vars *EBookTaskVars)
{
    msg_t msg_send;
    char **listbox;
    int *fileno,result;
    
    listbox = EBookTaskVars->point[0];
    fileno = EBookTaskVars->point[2];
    if(fileno[0] - 1 > 0)
    {
        result = api_GetFileNameByNo(EBookTaskVars->infomation.FifoCntNo, listbox[4], fileno[0] - 1);
        if(result == 0)
            return;
        fileno[4] = fileno[0] - 1;
        EBook_ListBoxDec(EBookTaskVars);
    }
}

void EBook_KeyResolveInList(book_vars *EBookTaskVars,int key)
{
    int *fileno = EBookTaskVars->point[2];
    switch(key)
    {
    case GUI_KeyEnter_KeyMode | GUI_Key_Long: 
        EBook_BackToMainTask(EBookTaskVars);
        break;

    case GUI_KeyEnter_KeyMode | GUI_Key_Up:
        if( EBookTaskVars->infomation.fileno != fileno[ LISTBOX_GetSel(EBookTaskVars->ChildWin[2]) ] )
        {
            EBookTaskVars->infomation.fileno = fileno[ LISTBOX_GetSel(EBookTaskVars->ChildWin[2]) ];
            EBook_DeleteBookWindow(EBookTaskVars);
            EBook_CreateBookWindow(EBookTaskVars);
        }
        else
            EBook_ShowBookWindow(EBookTaskVars);
        break;  
    case GUI_KeyUp_KeyPrev | GUI_Key_Hold:
    case GUI_KeyUp_KeyPrev | GUI_Key_Down:
        if( LISTBOX_GetSel(EBookTaskVars->ChildWin[2]) == 0 )
            EBook_GetPrevFile(EBookTaskVars);
        else
            LISTBOX_DecSel(EBookTaskVars->ChildWin[2]);
        break;
    case GUI_KeyDown_KeyNext | GUI_Key_Hold:
    case GUI_KeyDown_KeyNext | GUI_Key_Down:
        if( LISTBOX_GetSel(EBookTaskVars->ChildWin[2]) == 4 )
            EBook_GetNextFile(EBookTaskVars);
        else
            LISTBOX_IncSel(EBookTaskVars->ChildWin[2]);
        break;
        
    }
}

void EBook_KeyResolveInBook(book_vars *EBookTaskVars,int key)
{
    switch(key)
    {
    case GUI_KeyBackspace_KeyPlay | GUI_Key_Up: 
        EBook_ShowListWindow(EBookTaskVars);
        break;
    case GUI_KeyEnd_KeyEQ | GUI_Key_Hold:
    case GUI_KeyEnd_KeyEQ | GUI_Key_Down:
        EBookTaskVars->sel -=4;
    case GUI_KeyUp_KeyPrev | GUI_Key_Hold:
    case GUI_KeyUp_KeyPrev | GUI_Key_Down:
        EBook_ShowBookLock();
        EBook_ShowPrevLine(EBookTaskVars);
        break;
    case GUI_KeyDelete_KeyLoop | GUI_Key_Hold:
    case GUI_KeyDelete_KeyLoop | GUI_Key_Down:
        EBookTaskVars->sel +=4;
    case GUI_KeyDown_KeyNext | GUI_Key_Hold:
    case GUI_KeyDown_KeyNext | GUI_Key_Down:
        EBook_ShowBookLock();
        EBook_ShowNextLine(EBookTaskVars);
        break;
    }

}
void EBook_ShowListWindow(book_vars *EBookTaskVars)
{
    EBook_HideBookWindow(EBookTaskVars);
    FRAMEWIN_SetText(EBookTaskVars->FrameWin, (char*)EBookTaskVars->point[1]);
    WM_InvalidateWindow(EBookTaskVars->FrameWin);
    WM_InvalidateWindow(EBookTaskVars->ChildWin[2]);
}
void EBook_ShowBookWindow(book_vars *EBookTaskVars)
{
    EBookTaskVars->CurWinSel = 0;
    FRAMEWIN_SetText(EBookTaskVars->FrameWin, EBookTaskVars->infomation.FileLongName);
    WM_InvalidateWindow(EBookTaskVars->FrameWin);
    WM_SetFocus(EBookTaskVars->ChildWin[0]);
    WM_ShowWindow(EBookTaskVars->ChildWin[0]);
    WM_ShowWindow(EBookTaskVars->ChildWin[1]);
    WM_InvalidateWindow(EBookTaskVars->ChildWin[0]);

}
void EBook_HideBookWindow(book_vars *EBookTaskVars)
{
    EBookTaskVars->CurWinSel = 2;
    WM_SetFocus(EBookTaskVars->ChildWin[2]);
    WM_HideWindow(EBookTaskVars->ChildWin[0]);
    WM_HideWindow(EBookTaskVars->ChildWin[1]);
}
void EBook_BackToMainTask(book_vars *EBookTaskVars)
{

    if(EBookTaskVars->infomation.fileflag == TRUE)
    {
        api_CloseFile(EBookTaskVars->infomation.FifoCntNo);
        EBookTaskVars->infomation.fileflag == FALSE;
    }
    api_close(EBookTaskVars->infomation.FifoCntNo);
    WM_SetFocus(WM_HBKWIN);
    WM_DeleteWindow(EBookTaskVars->FrameWin);  
    MainTaskCreate();
    EBookTaskDelete(EBookTaskVars);
    
}
void EBook_ShowPrevLine(book_vars *EBookTaskVars)
{
    if(--EBookTaskVars->sel<0)
    {
        if(EBookTaskVars->page == 0)
        {
            EBookTaskVars->sel = 0;
        }
        else
        {
            EBook_ReadPrevPage(EBookTaskVars);
            EBook_ResetBookWin(EBookTaskVars);        
            EBookTaskVars->sel = EBookTaskVars->maxsel - 6;
        }
    }
    WM_InvalidateWindow(EBookTaskVars->ChildWin[0]);
    if(EBookTaskVars->ChildWin[1])
        SCROLLBAR_SetValue(EBookTaskVars->ChildWin[1],EBookTaskVars->sel);
}

void EBook_ShowNextLine(book_vars *EBookTaskVars)
{
    if(++EBookTaskVars->sel > EBookTaskVars->maxsel)
    {
        EBookTaskVars->sel=EBookTaskVars->maxsel;
    }
    else if(EBookTaskVars->sel + 6 >EBookTaskVars->maxsel)
    {
        if(!EBook_IsBookEnd(EBookTaskVars))
        {        
            EBook_ReadNextPage(EBookTaskVars);
            EBook_ResetBookWin(EBookTaskVars);        
        }
    }
    WM_InvalidateWindow(EBookTaskVars->ChildWin[0]);
    if(EBookTaskVars->ChildWin[1])
        SCROLLBAR_SetValue(EBookTaskVars->ChildWin[1],EBookTaskVars->sel);
}
void EBook_ResetBookWin(book_vars *EBookTaskVars)
{
    EBookTaskVars->sel=0;
    EBookTaskVars->getmaxselflag = TRUE;

    GetBookFilePartName(EBookTaskVars);
    FRAMEWIN_SetText(EBookTaskVars->FrameWin, EBookTaskVars->infomation.FileLongName);
    WM_InvalidateWindow(EBookTaskVars->FrameWin);
    WM_InvalidateWindow(EBookTaskVars->ChildWin[0]);
    for(;EBookTaskVars->getmaxselflag;)
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