win32musicbrowser.h

FreeAMP(MP3播放)程序源代码-用来研究MP3解码

/*____________________________________________________________________________

        FreeAmp - The Free MP3 Player

        Portions Copyright (C) 1999 EMusic.com

        This program is free software; you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation; either version 2 of the License, or
        (at your option) any later version.

        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with this program; if not, write to the Free Software
        Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

        $Id: Win32MusicBrowser.h,v 1.92 2001/01/18 17:30:55 ijr Exp $
____________________________________________________________________________*/

#ifndef INCLUDED_WIN32MUSICBROWSER_H_
#define INCLUDED_WIN32MUSICBROWSER_H_

// The debugger can't handle symbols more than 255 characters long.
// STL often creates symbols longer than that.
// When symbols are longer than 255 characters, the warning is disabled.
#ifdef WIN32
#pragma warning(disable:4786)
#endif

#include <windows.h>
#include <commctrl.h>
#include <dbt.h>

#include <vector>
#include <string>
#include <set>

using namespace std;

#include "config.h"
#include "ui.h"
#include "event.h"
#include "thread.h"
#include "playlist.h"
#include "musiccatalog.h"
#include "DataIndex.h"
#include "DropTarget.h"
#include "timer.h"
#include "FreeAmpStreams.h"
#include "ColumnInfo.h"

class FAContext;

#define STATE_COLLAPSED 0
#define STATE_EXPANDED  1

#define PLAYERSTATE_STOPPED 0
#define PLAYERSTATE_PLAYING 1
#define PLAYERSTATE_PAUSED 2

#define IDC_REBAR          13000
#define IDC_TOOLBAR        13001
#define TOOLBAR_INDENT	   8

#define ALBUM_COLUMN       "Album"
#define ARTIST_COLUMN      "Artist"
#define COMMENT_COLUMN     "Comment"
#define GENRE_COLUMN       "Genre"
#define LOCATION_COLUMN    "Location"
#define TIME_COLUMN        "Time"
#define TITLE_COLUMN       "Title"
#define YEAR_COLUMN        "Year"
#define TRACK_COLUMN       "Track"

bool operator<(const TreeData &A, const TreeData &b);
bool operator==(const TreeData &A, const TreeData &b);
void ClientToWindow(HWND hWnd, POINT *Pt); 
extern HINSTANCE g_hinst;

class TrackSort : public binary_function<PlaylistItem*, PlaylistItem*, bool> {

 public:
    TrackSort(){ }

    bool operator() (PlaylistItem* item1, PlaylistItem* item2) const;
};


LRESULT WINAPI 
ListViewWndProc(HWND hwnd, 
                UINT msg, 
                WPARAM wParam, 
                LPARAM lParam);

LRESULT WINAPI 
TreeViewWndProc(HWND hwnd, 
                UINT msg, 
                WPARAM wParam, 
                LPARAM lParam);

BOOL CALLBACK 
MusicSearchDlgProc(HWND hwnd, 
                   UINT msg, 
                   WPARAM wParam, 
                   LPARAM lParam);

BOOL CALLBACK 
SavePlaylistDlgProc(HWND hwnd, 
                    UINT msg, 
                    WPARAM wParam, 
                    LPARAM lParam);

BOOL CALLBACK 
RemoveTracksDlgProc(HWND hwnd, 
                    UINT msg, 
                    WPARAM wParam, 
                    LPARAM lParam);

BOOL CALLBACK 
PerformDBCheckDlgProc(HWND hwnd, 
                      UINT msg, 
                      WPARAM wParam, 
                      LPARAM lParam );

class MusicBrowserUI : public UserInterface 
{
 public:

             MusicBrowserUI(FAContext      *context, 
                            MusicBrowserUI *parent,
                            HWND            hParent,
                            const string   &oPlaylistName);

             MusicBrowserUI(FAContext      *context, 
                            MusicBrowserUI *parent,
                            HWND            hParent,
                            DeviceInfo     *pDevice);

    virtual ~MusicBrowserUI();

    virtual Error AcceptEvent(Event *);
    virtual Error Init(int32);
						 
    static void UIThreadFunc(void* arg);
    void   InitDialog(HWND hwnd);
    void   SetMinMaxInfo();
    void   EditItemLabel(HWND hwnd, HTREEITEM item);

    bool   IntroductionWizard(vector<string>* searchPaths, 
                              APSInterface *pInterface);

    BOOL   DialogProc(HWND hwnd, UINT msg, 
                      WPARAM wParam, LPARAM lParam);


    LRESULT TreeViewWndProc(HWND hwnd, 
                            UINT msg, 
                            WPARAM wParam, 
                            LPARAM lParam);

    LRESULT ListViewWndProc(HWND hwnd, 
                            UINT msg, 
                            WPARAM wParam, 
                            LPARAM lParam);

    BOOL MusicSearchDlgProc(HWND hwnd, 
                            UINT msg, 
                            WPARAM wParam, 
                            LPARAM lParam);   
    
    bool FileOpenDialog(HWND hwnd, 
                    const char* title,
                    const char* filter,
                    vector<string>* fileList,
                    bool allowURL);
    
    const PlaylistManager* PLManager() const { return m_plm; }

    static void streams_timer(void* arg);
    void StreamsTimer();
 
 protected:
    FAContext *m_context;

 private:

    void   Init();

    // Functions in Dialog.cpp
    void   ShowBrowser(bool bShowExpanded);
    void   HideBrowser();
    void   Close();
    void   Destroy();
	void   ExpandCollapseEvent();
    void   GetMinMaxInfo(MINMAXINFO *pInfo);
    void   SizeWindow(int type, int iWidth, int iHeight);
    BOOL   SetCursor(int hitTest, int mouseMsg);
    void   DropFiles(HDROP dropHandle, bool filesAreURLs);
    void   MouseMove(uint32 uFlags, POINT &sPoint);
    void   MouseButtonDown(int keys, int x, int y);
    void   MouseButtonUp(int keys, int x, int y);
    BOOL   DrawItem(int32 controlId, DRAWITEMSTRUCT* dis);
    void   SetStatusText(const char *text);
    void   CreateToolbar();
    void   AddToolbarButtons(bool textLabels, bool images);
    void   ToggleVisEvent();
    void   SetTitles();
    void   UpdateMenuStates();
    void   UpdateButtonStates();
    void   MoveControls(int iPixelsToMove);
    bool   CreateMainDialog();
    Error  CloseMainDialog();
    uint32 CalcStringEllipsis(HDC hdc, string& displayString, 
                                 int32 columnWidth);