/*****************************************************************************
 *
 *  (C) COPYRIGHT MICROSOFT CORPORATION, 1999-2000
 *
 *  TITLE:       baseview.h
 *
 *  VERSION:     1.0
 *
 *  AUTHOR:      DavidShi
 *
 *  DATE:        3/1/99
 *
 *  DESCRIPTION: Definition for CBaseView class
 *
 *****************************************************************************/

#ifndef __baseview_h
#define __baseview_h

#define SHCNE_DEVICE_DISCONNECT 0x0FFFFFFF

struct EVENTDATA
    {
        const GUID *pEventGuid;
        IUnknown *pUnk;
    };
class CBaseView : public IShellFolderViewCB, public IObjectWithSite, public IWiaEventCallback, public CUnknown
{
public:
    CBaseView (CImageFolder *pFolder, folder_type ft = FOLDER_IS_ROOT);

    // IUnknown
    STDMETHOD(QueryInterface)(REFIID riid, void **ppv);
    STDMETHOD_(ULONG, AddRef)();
    STDMETHOD_(ULONG, Release)();

    // IShellFolderViewCB
    STDMETHOD(MessageSFVCB)(UINT uMsg, WPARAM wParam, LPARAM lParam);

    // IObjectWithSite
    STDMETHOD(SetSite)(IUnknown *punkSite);
    STDMETHOD(GetSite)(REFIID riid, void **ppv);
    STDMETHOD(ImageEventCallback)(const GUID __RPC_FAR *pEventGUID,
                                      BSTR bstrEventDescription,
                                      BSTR bstrDeviceID,
                                      BSTR bstrDeviceDescription,
                                      DWORD dwDeviceType,
                                      BSTR bstrFullItemName,
                                      ULONG *pulEventType,
                                      ULONG ulReserved)=0;


protected:
    virtual ~CBaseView ();

private:

    // must be set by the subclasses
    virtual EVENTDATA *GetEvents(){return NULL;};
    virtual BSTR GetEventDevice (){return NULL;};
    VOID RegisterDeviceEvents ();
    VOID UnregisterDeviceEvents ();
    // derived classes implement HandleMessage, not MessageSFVCB
    virtual
    HRESULT
    HandleMessage (UINT uMsg, WPARAM wParam, LPARAM lParam) = 0;

    HRESULT
    OnSFVM_GetViewInfo (WPARAM wp, SFVM_VIEWINFO_DATA * lp);

    HRESULT
    OnSFVM_GetNotify (WPARAM wp, LPARAM lp);

    HRESULT
    OnSFVM_Refresh (BOOL fPreOrPost);

    HRESULT
    OnSFVM_InvokeCommand (WPARAM wp, LPARAM lp);

    HRESULT
    OnSFVM_GetHelpText (WPARAM wp, LPARAM lp);

protected:
    CComPtr<IShellBrowser> m_psb;
    CComPtr<IShellFolderView> m_psfv;
    HWND m_hwnd;
    CImageFolder *m_pFolder;
    EVENTDATA *m_pEvents;
    folder_type m_type;
};

// CRootView is a view on the root of our namespace
class CRootView : public CBaseView
{

public:
    CRootView (CImageFolder *pFolder)  : CBaseView (pFolder) {};

    STDMETHOD(ImageEventCallback)(const GUID __RPC_FAR *pEventGUID,
                                      BSTR bstrEventDescription,
                                      BSTR bstrDeviceID,
                                      BSTR bstrDeviceDescription,
                                      DWORD dwDeviceType,
                                      BSTR bstrFullItemName,
                                      ULONG *pulEventType,
                                      ULONG ulReserved);

    static HRESULT SupportsWizard(IUnknown *punk, IShellItemArray *psiItemArray, BOOL fOkToBeSlow, UISTATE *puiState);
    static HRESULT SupportsProperties(IUnknown *punk, IShellItemArray *psiItemArray, BOOL fOkToBeSlow, UISTATE *puiState);
    static HRESULT InvokeWizard(IUnknown *punk, IShellItemArray *psiItemArray, IBindCtx *pbc);
    static HRESULT InvokeProperties(IUnknown *punk, IShellItemArray *psiItemArray, IBindCtx *pbc);
    static HRESULT AddDevice(IUnknown *punk, IShellItemArray *psiItemArray, IBindCtx *pbc);

private:
    HRESULT
    HandleMessage (UINT uMsg, WPARAM wParam, LPARAM lParam);

    HRESULT
    OnSFVM_InsertItem (LPITEMIDLIST pidl);

    HRESULT
    OnSFVM_GetHelpTopic (WPARAM wp, LPARAM lp);

    HRESULT
    OnSFVM_GetWebviewLayout(WPARAM wp, SFVM_WEBVIEW_LAYOUT_DATA* pData);

    HRESULT
    OnSFVM_GetWebviewContent(SFVM_WEBVIEW_CONTENT_DATA* pData);

    HRESULT
    OnSFVM_GetWebviewTasks(SFVM_WEBVIEW_TASKSECTION_DATA* pData);


    EVENTDATA *
    GetEvents ();
};

// CCameraView is a view on a folder within a camera
class CCameraView : public CBaseView
{
public:
    CCameraView (CImageFolder *pFolder, LPCWSTR szDeviceId, folder_type ft);

    STDMETHOD(ImageEventCallback)(const GUID __RPC_FAR *pEventGUID,
                                      BSTR bstrEventDescription,
                                      BSTR bstrDeviceID,
                                      BSTR bstrDeviceDescription,
                                      DWORD dwDeviceType,
                                      BSTR bstrFullItemName,
                                      ULONG *pulEventType,
                                      ULONG ulReserved);

    static HRESULT SupportsSnapshot(IUnknown *punk, IShellItemArray *psiItemArray, BOOL fOkToBeSlow, UISTATE *puiState);
    static HRESULT SupportsWizard(IUnknown *punk, IShellItemArray *psiItemArray, BOOL fOkToBeSlow, UISTATE *puiState);
    static HRESULT InvokeWizard(IUnknown *punk, IShellItemArray *psiItemArray, IBindCtx *pbc);
    static HRESULT InvokeSnapshot(IUnknown *punk, IShellItemArray *psiItemArray, IBindCtx *pbc);
    static HRESULT InvokeProperties(IUnknown *punk, IShellItemArray *psiItemArray, IBindCtx *pbc);
    static HRESULT InvokeDeleteAll(IUnknown *punk, IShellItemArray *psiItemArray, IBindCtx *pbc);

private:

    ~CCameraView ();

    HRESULT
    HandleMessage (UINT uMsg, WPARAM wParam, LPARAM lParam);


    HRESULT
    OnSFVM_GetAnimation (WPARAM wp, LPARAM lp);

    HRESULT
    OnSFVM_FsNotify (LPCITEMIDLIST pidl, LPARAM lEvent);

    HRESULT
    OnSFVM_InsertItem (LPITEMIDLIST pidl);

    HRESULT
    OnSFVM_GetWebviewLayout(WPARAM wp, SFVM_WEBVIEW_LAYOUT_DATA* pData);

    HRESULT
    OnSFVM_GetWebviewContent(SFVM_WEBVIEW_CONTENT_DATA* pData);

    HRESULT
    OnSFVM_GetWebviewTasks(SFVM_WEBVIEW_TASKSECTION_DATA* pData);

    EVENTDATA*
    GetEvents ();

    BSTR
    GetEventDevice() {return (BSTR)m_strDeviceId;};

    CComBSTR m_strDeviceId;

    DWORD       m_dwCookie;
};


#endif