167 lines
6.7 KiB
C
167 lines
6.7 KiB
C
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#ifndef _BROWSEXT_H
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#define _BROWSEXT_H
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#include "tbext.h"
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#define FCIDM_TOOLS_EXT_PLACEHOLDER 0x9000
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#define FCIDM_TOOLS_EXT_MOD_MARKER 0x9001
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#define FCIDM_HELP_EXT_PLACEHOLDER 0x9002
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#define FCIDM_HELP_EXT_MOD_MARKER 0x9003
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//
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// This class is used to store/retrieve images by name (guid) from shared image lists
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//
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class CImageList
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{
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public:
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CImageList(HIMAGELIST himl = NULL);
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~CImageList();
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CImageList& operator=(HIMAGELIST himl);
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operator HIMAGELIST() { return _himl; }
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int GetImageIndex(REFGUID rguid);
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int AddIcon(HICON hicon, REFGUID rguid);
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BOOL HasImages() { return (_himl != NULL); }
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void FreeImages();
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protected:
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static int _DPADestroyCallback(LPVOID p, LPVOID d);
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// Associate guids with indices into the image list
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struct ImageAssoc
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{
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GUID guid;
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int iImage;
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};
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HIMAGELIST _himl;
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HDPA _hdpa; // Array of ImageAssoc
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};
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//
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// Internal interface fo managing buttons added to the internet toolbar and menu items added to the
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// tools menu. 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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EXTERN_C const IID IID_IToolbarExt;
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DECLARE_INTERFACE_(IToolbarExt, IUnknown)
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{
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// *** IUnknown methods ***
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj) PURE;
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virtual STDMETHODIMP_(ULONG) AddRef(void) PURE;
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virtual STDMETHODIMP_(ULONG) Release(void) PURE;
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// *** IToolbarExt methods ***
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virtual STDMETHODIMP GetButtons(TBBUTTON* ptbArr, int nNumButtons, BOOL fInit) PURE;
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virtual STDMETHODIMP GetNumButtons(UINT* pButtons) PURE;
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virtual STDMETHODIMP InitButtons(IExplorerToolbar* pxtb, UINT* puStringIndex, const GUID* pguidCommandGroup) PURE;
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virtual STDMETHODIMP OnCustomizableMenuPopup(HMENU hMenuParent, HMENU hMenu) PURE;
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virtual STDMETHODIMP OnMenuSelect(UINT nCmdID) PURE;
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};
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class CBrowserExtension : public IToolbarExt
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, public IObjectWithSite
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, public IOleCommandTarget
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{
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public:
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// *** IUnknown methods ***
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
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virtual STDMETHODIMP_(ULONG) AddRef(void);
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virtual STDMETHODIMP_(ULONG) Release(void);
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// *** IObjectWithSite methods ***
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virtual STDMETHODIMP SetSite(IUnknown* pUnkSite);
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virtual STDMETHODIMP GetSite(REFIID riid, void ** ppvSite);
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// *** IToolbarExt methods ***
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virtual STDMETHODIMP GetButtons(TBBUTTON* ptbArr, int nNumButtons, BOOL fInit);
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virtual STDMETHODIMP GetNumButtons(UINT* pButtons);
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virtual STDMETHODIMP InitButtons(IExplorerToolbar* pxtb, UINT* puStringIndex, const GUID* pguidCommandGroup);
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virtual STDMETHODIMP OnCustomizableMenuPopup(HMENU hMenuParent, HMENU hMenu);
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virtual STDMETHODIMP OnMenuSelect(UINT nCmdID);
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// *** IOleCommandTarget methods ***
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virtual STDMETHODIMP Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANTARG *pvarargIn, VARIANTARG *pvarargOut);
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virtual STDMETHODIMP QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD rgCmds[], OLECMDTEXT *pcmdtext);
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protected:
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// Instance creator
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friend HRESULT CBrowserExtension_CreateInstance(IUnknown* pUnkOuter, IUnknown** ppunk, LPCOBJECTINFO poi);
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CBrowserExtension();
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~CBrowserExtension();
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HRESULT Update();
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struct ExtensionItem
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{
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CLSID guid; // id of the extension
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IBrowserExtension* pIBE;
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BITBOOL fButton:1; // if has a button
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BITBOOL fVisible:1; // if defaults to visible on the toolbar
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int iStringID; // Keeps track of the location in the string resource for the button
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int iImageID; // The ID of the icon in the image lists
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int idCmd; // toolbar CmdId
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UINT idmMenu; // idm of the menu this extension belongs to
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};
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void _AddItem(HKEY hkeyExtensions, LPCWSTR pszButtonGuid, REFGUID rguid);
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ExtensionItem* _FindItem(REFGUID rguid);
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void _FreeItems();
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HRESULT _Exec(int nItem, int nCmdID);
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UINT _GetImageLists(CImageList** ppimlDef, CImageList** ppimlHot, BOOL fSmall);
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void _ReleaseImageLists(UINT uiIndex);
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HRESULT _AddCustomImagesToImageList(CImageList& rimlNormal, CImageList& rimlHot, BOOL fSmallIcons);
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HRESULT _AddCustomStringsToBuffer(IExplorerToolbar * pxtb, const GUID* pguidCommandGroup);
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int _GetCmdIdFromClsid(LPCWSTR pszGuid);
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int _GetIdpaFromCmdId(int nCmdId);
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typedef struct tagBROWSEXT_MENU_INFO
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{
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UINT idmMenu; // idm for this menu
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UINT idmPlaceholder;
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UINT idmModMarker; // separator with this idm is present if customizations have been made
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int iInsert; // insertion point for custom items
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} BROWSEXT_MENU_INFO;
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HRESULT _GetCustomMenuInfo(HMENU hMenuParent, HMENU hMenu, BROWSEXT_MENU_INFO * pMI);
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LONG _cRef; // reference count
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HDPA _hdpa; // array of ExtensionItem*
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int _nExtButtons; // Number of Buttons
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int _nExtToolsMenuItems; // Number of Tools Menu Items
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IShellBrowser* _pISB; // Passed into the IObjectWithSite::GetSite
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UINT _uStringIndex; // index of first string added to toolbar
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// Used for CUT/COPY/PASTE imagelist
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struct CImageCache
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{
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UINT uiResDef; // resource id for grey-scale bitmap
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UINT uiResHot; // resource id for color bitmap
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CImageList imlDef; // grey scale imagelist
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CImageList imlHot; // color imagelist
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int cUsage; // number of instances using this item
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BOOL bShell32; // resource stored in shell32
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};
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static CImageCache _rgImages[3]; // cached image lists:
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// 16 color 16x16
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// 16 color 20x20
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// 256 color 20x20
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UINT _uiImageIndex; // Currently used index into _rgImages (-1 is none)
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#ifdef DEBUG
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BOOL _fStringInit; // These are used to insure that AddExtButtonsTBArray is only called after
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BOOL _fImageInit; // AddCustomImag... and AddCustomStrin... have been called.
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#endif
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};
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EXTERN_C const CLSID CLSID_PrivBrowsExtCommands;
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typedef enum {
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PBEC_GETSTRINGINDEX = 1,
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} PBEC_COMMANDS;
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#endif // _BROWSEXT_H
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