140 lines
5.7 KiB
C++
140 lines
5.7 KiB
C++
///////////////////////////////////////////////////////
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// File: TBBxt.h (Toolbar Button Extension Headers
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// Author: Karim Farouki
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//
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// We declare here three classes:
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// (1) CToolbarExt a base class that takes care of the
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// button work for our custom extensions
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// (2) CToolbarExtBand the object which deals with custom
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// buttons that plug into bands
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// (3) CToolbarExtExec the object which deals with custom
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// buttons (or tools menu items) that exec stuff.
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//
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// The latter two are derived from the former
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#ifndef _TBEXT_H
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#define _TBEXT_H
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#include "priv.h"
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//
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// Internal interface for accessing ther properties of a button/menu extension.
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// This interface will likely go away afer IE5B2 when we move this functionality to
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// a browser helper object.
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//
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typedef enum _tagGetPropertyIDs
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{
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TBEX_BUTTONTEXT = 100, // VT_BSTR
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TBEX_TOOLTIPTEXT = 101, // VT_BSTR
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TBEX_GRAYICON = 102, // HICON as a VT_BYREF
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TBEX_HOTICON = 103, // HICON as a VT_BYREF
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TBEX_GRAYICONSM = 104, // HICON as a VT_BYREF
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TBEX_HOTICONSM = 105, // HICON as a VT_BYREF
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TBEX_DEFAULTVISIBLE = 106, // VT_BOOL
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TMEX_MENUTEXT = 200, // VT_BSTR
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TMEX_STATUSBARTEXT = 201, // VT_BSTR
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TMEX_CUSTOM_MENU = 202, // VT_BSTR
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} GETPROPERTYIDS;
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interface IBrowserExtension : IUnknown
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{
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virtual STDMETHODIMP Init(REFGUID refguid) = 0;
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virtual STDMETHODIMP GetProperty(SHORT iPropID, VARIANTARG * varProperty) = 0;
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};
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class CToolbarExt : public IBrowserExtension,
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public IOleCommandTarget,
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public IObjectWithSite
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{
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public:
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// Constructor/Destructor
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CToolbarExt();
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virtual ~CToolbarExt();
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// IUnknown Interface Members
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STDMETHODIMP QueryInterface(const IID& iid, void** ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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// IBrowserExtension Interface Members
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STDMETHODIMP Init(REFGUID rguid);
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STDMETHODIMP GetProperty(SHORT iPropID, VARIANTARG * pvarProperty);
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// IOleCommandTarget Interface Members
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STDMETHODIMP QueryStatus(const GUID * pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT * pCmdText);
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STDMETHODIMP Exec(const GUID * pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT* pvaIn, VARIANT* pvaOut) = 0;
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// IObjectWithSite Interface Members
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STDMETHODIMP SetSite(IUnknown* pUnkSite);
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STDMETHODIMP GetSite(REFIID riid, void ** ppvSite);
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protected:
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BOOL _RegGetBoolValue(LPCWSTR pszPropName, BOOL fDefault);
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BOOL _RegReadString(HKEY hkeyThisExtension, LPCWSTR szPropName, BSTR * pbstrProp, BOOL fExpand = FALSE);
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HICON _ExtractIcon(LPWSTR pszPath, int resid, int cx, int cy);
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HRESULT _GetIcon(LPCWSTR pszIcon, int nWidth, int nHeight, HICON& rhIcon, VARIANTARG * pvarProperty);
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long _cRef;
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HICON _hIcon; // gray icon regular size
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HICON _hIconSm; // gray icon small
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HICON _hHotIcon; // Hot... are color versions of above
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HICON _hHotIconSm;
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BSTR _bstrButtonText; // The buttons caption
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BSTR _bstrToolTip; // This is optional (not supported on our side yet)
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HKEY _hkeyThisExtension;
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HKEY _hkeyCurrentLang; // optional location for localized strings
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IShellBrowser* _pisb; // passed in by IObjectWithSite::SetSite() Used to load band
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};
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class CToolbarExtBand : public CToolbarExt
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{
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public:
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// Constructor / Destructor
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CToolbarExtBand();
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virtual ~CToolbarExtBand();
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// Overridden IBrowserExtension Interface Members
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STDMETHODIMP Init(REFGUID rguid);
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// Overridden IOleCommandTarget Interface Members
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STDMETHODIMP QueryStatus(const GUID * pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT * pCmdText);
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STDMETHODIMP Exec(const GUID * pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT* pvaIn, VARIANT* pvaOut);
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protected:
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BOOL _bBandState; // This is a hack... ideally state will be determined from the browser
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BSTR _bstrBandCLSID; // CLSID of band to load. Kept as BSTR because this is how it is passed
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// to load the band
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};
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class CToolbarExtExec : public CToolbarExt
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{
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public:
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// Constructor / Destructor
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CToolbarExtExec();
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virtual ~CToolbarExtExec();
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// Overridden IBrowserExtension Interface Members
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STDMETHODIMP Init(REFGUID rguid);
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STDMETHODIMP GetProperty(SHORT iPropID, VARIANTARG * pvarProperty);
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// Overridden IObjectWithSite Interface Members
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STDMETHODIMP SetSite(IUnknown* pUnkSite);
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// Overridden IOleCommandTarget Interface Members
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STDMETHODIMP QueryStatus(const GUID * pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT * pCmdText);
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STDMETHODIMP Exec(const GUID * pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT* pvaIn, VARIANT* pvaOut);
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protected:
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BOOL _bButton; // Does this object support being a button?
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BOOL _bMenuItem; // Does it support being a menu item?
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BOOL _bExecCalled; // if Exec was called
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BSTR _bstrExec; // Thing to ShellExecute
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BSTR _bstrScript; // Script to Execute
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BSTR _bstrMenuText;
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BSTR _bstrMenuCustomize; // the menu that is to be customized
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BSTR _bstrMenuStatusBar;
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IUnknown* _punkExt; // (Optional) created when button is first pressed
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};
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#endif // _TBEXT_H
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