chxavfileui.h

来自「symbian 下的helix player源代码」· C头文件 代码 · 共 197 行

/************************************************************************
 * chxavfileui.h
 * -------------
 *
 * Synopsis:
 * 
 *
 * Target:
 * Symbian OS
 *
 *
 * (c) 1995-2003 RealNetworks, Inc. Patents pending. All rights reserved.
 *
 ************************************************************************/

#ifndef _chxavfileui_h_
#define _chxavfileui_h_

// Symbian includes...

// Helix includes...
#include "hxstring.h"

// Includes from this project...
#include "chxavnamedisplaytrait.h"
#include "chxavfilestore.h"
#include "chxavrefptr.h"
#include "chxavwaitnote.h"

// forward decl
class CHXAvPlayerUI;

// class CHXAvFileUI
class CHXAvFileUI
: public CHXBody
, private CHXAvNameDisplayTrait
, public FileStoreOperationObserver
{

public:

// ctor and dtor
    CHXAvFileUI(bool bHideExtensions = true);
    virtual ~CHXAvFileUI();
    void ConstructL(CHXAvPlayerUI* playerUI, const CHXAvFileStorePtr& spStore);
    void SetHideExtensions(bool bHide);
    CHXAvFileStorePtr GetStore();
   
    const TDesC& GetLastNewItemName() const;


// ui interactions for file
    TInt DoNewFolderL(TInt resIdPrompt);
    TInt DoMoveItemL(TInt idxItem, 
		    TInt resIdPrompt);
    TInt DoMoveItemsL(const CArrayFix<TInt>& items, 
		    TInt resIdPrompt);
    TInt DoDeleteItemL(TInt idxItem);
    TInt DoDeleteItemsL(const CArrayFix<TInt>& items);
    TInt DoRenameL(TInt idxItem, TInt resIdPrompt);
    TInt DoCreateLinkL(const CHXString& url, const TDesC& defaultName);

    TInt DoSavePlaylistL(const TDesC& fullPathSource, const TDesC& defaultName);
    TInt DoSaveClipL(const TDesC& fullPathSource, const TDesC& defaultName);
#if(0)
    TInt DoCopyItemL(TInt idxItem, 
		    TInt resIdPrompt);
    TInt DoCopyItemsL(const CArrayFix<TInt>& items, 
		    TInt resIdPrompt);
#endif
  
protected:

// FileStoreOperationObserver
    void OnFileOpStart(FileStoreOperationObserver::OperationType type, const TDesC& source, const TDesC& target);
    bool OnFileOpTick(FileStoreOperationObserver::OperationType type, const TDesC& source, const TDesC& target, TInt64 cbCopied);
    void OnFileOpEnd(FileStoreOperationObserver::OperationType type, TInt err, const TDesC& source, const TDesC& target);


// for CopyFileL()
struct CopyFileResourceIds
{
    TInt idPromptTargetName;
    TInt idPromptTargetPath;
    TInt idPromptTargetPathSelectButtonText;
    TInt idInfoNowCopying;
    TInt idInfoConfirmCopy;
    TInt idInfoCopyFailed;
};

protected:
// implementation helpers
    enum QueryTargetNameFlags
    {
        fWantFolder = 0x01,
        fSuggestUniqueDefaultName = 0x02,
        fDisallowFileOverwrite = 0x04
        //fCancelIfSameName = 0x08
    };

    enum QueryTargetNameResult
    {
        qtrPathTooLong,
        qtrAbort,
        qtrUnique,
        qtrOverwrite
    };
    

    TInt DoCopyFileL(const TDesC& fullPathSource, const CopyFileResourceIds& resIds, const TDesC& targetName);
    TInt DoCopyFileL(const TDesC& pathDest,  const TDesC& fullPathSource, const CopyFileResourceIds& resIds, const TDesC& targetName);
    TInt DoCopyFileHelperL(const TDesC& pathDest, 
				const TDesC& fullPathSource,
                                const CopyFileResourceIds& resIds,bool bAllowOverwrite);
    bool DoGetTargetFolderPathL(TInt resIdPrompt, TInt resIdSelectButton);
    TInt DoMoveItemL(const TDesC& pathDest, TInt idxItem);
    TInt DoMoveItemsL(const TDesC& pathDest, const CArrayFix<TInt>& items);
    TInt DoCreateLinkL(const TDesC& folder, const CHXString& url, const TDesC& defaultName);
    QueryTargetNameResult QueryTargetNameL(const TDesC& prompt,const TDesC& pathDest, const TDesC& defaultName,TUint flags);
    TFileName* AllocSuggestedFileNameL(const TDesC& pathDest, const TDesC& defaultName, TUint flags );
    void HandleDiskFullCase(TInt err);


protected:
// disallow copy
    CHXAvFileUI& operator=(const CHXAvFileUI& other);
    CHXAvFileUI(const CHXAvFileUI& other);

// implementation helpers
    TPtrC NameFromIndex(TInt idxItem);
    TInt MoveItemHelperL(const TDesC& pathDest, TInt idxItem);
    TInt DoOverwriteMoveItemHelperL(const TDesC& pathDest, TInt idxItem);
    TInt DoPromptMoveItemHelperL(const TDesC& pathDest, TInt idxItem);
    void InitNameBufWithSuggestionL(const TDesC& pathDest, const TDesC& fileName, TUint flags);
    void EnableWaitNoteCancelButtonL(bool bEnable);
    void UserCancelPendingFileOp();


private:
     
    CCoeEnv*		m_pCone;
    CHXAvPlayerUI*	m_playerUI;
    CHXAvFileStorePtr	m_spStore;

    // working buffers
    TFileName		m_targetFolderPath;
    TFileName		m_nameBuf;

    refptr<HBufC>       m_spLastUniqueName;

    CHXAvWaitNotePtr    m_spWaitNote;

    bool    m_bIsCancelOpPending;
};

typedef CHXSmartPtr<CHXAvFileUI> CHXAvFileUIPtr;

////////////////////////////////////////////////////////////
//
inline
void CHXAvFileUI::SetHideExtensions(bool bHide)
{
    CHXAvNameDisplayTrait::SetHideExtensions(bHide);
}


////////////////////////////////////////////////////////////
//
inline
CHXAvFileStorePtr CHXAvFileUI::GetStore()
{
    return m_spStore;
}

////////////////////////////////////////////////////////////
// after certain operations this contains the user-supplied
// folder/file name applying to the operation
//
// name includes extension if relevant, e.g., 'foo.rm'
//
// *** only valid after rename or create folder
//
// name is full significant name (without path)
//
// e.g.:  'foo.rm', 'myfolder'
// 
// XXXLCM consider fixing rename, new folder and do away with this
//
inline
const TDesC& CHXAvFileUI::GetLastNewItemName() const
{
    return *m_spLastUniqueName;
}

#endif //_chxavfileui_h_