Source code of Windows XP (NT5)
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#ifndef _DUIVIEW_H_INCLUDED_
#define _DUIVIEW_H_INCLUDED_
#define GADGET_ENABLE_TRANSITIONS
#define GADGET_ENABLE_CONTROLS
#define GADGET_ENABLE_OLE
#include <duser.h>
#include <directui.h>
#include <duserctrl.h>
using namespace DirectUI;
UsingDUIClass(Element);
UsingDUIClass(Button);
UsingDUIClass(RepeatButton);
UsingDUIClass(Thumb);
UsingDUIClass(ScrollBar);
UsingDUIClass(Viewer);
UsingDUIClass(Selector);
UsingDUIClass(HWNDElement);
UsingDUIClass(ScrollViewer);
UsingDUIClass(Edit);
#define WM_HTML_BITMAP (WM_USER + 100)
#define WM_DETAILS_INFO (WM_USER + 101)
typedef enum {
DUISEC_UNKNOWN = 0,
DUISEC_SPECIALTASKS = 1,
DUISEC_FILETASKS = 2,
DUISEC_OTHERPLACESTASKS = 3,
DUISEC_DETAILSTASKS = 4
} DUISEC;
struct DUISEC_ATTRIBUTES;
// Right now our themeing information is hard-coded due to limitations of DirectUI (only one resource)
// so we'll ask the namespace for a hardcoded name that we can look up in the below table. Add new
// names/entries to this list as we add theme parts to our shellstyle.dll.
//
typedef struct {
LPCWSTR pszThemeName;
int idSpecialSectionIcon;
int idSpecialSectionWatermark;
int idListviewWatermark;
} WVTHEME;
#include "defviewp.h"
#include "w32utils.h"
class CDefView;
class Expando;
class HWNDView;
class ActionTask;
class DestinationTask;
class DUIListView;
class DUIAxHost;
class CDetailsSectionInfoTask;
class CDUIDropTarget;
STDAPI CDetailsSectionInfoTask_CreateInstance(IShellFolder *psfContaining,
LPCITEMIDLIST pidlAbsolute,
HWND hwndMsg,
UINT uMsg,
DWORD dwDetailsInfoID,
CDetailsSectionInfoTask **ppTask);
//
// CDUIView class
//
class CDUIView
{
private:
LONG _cRef;
HWND _hWnd;
HWNDView * _phe;
DUIListView * _peListView;
INT _iListViewHeight; // used when the preview control is also displayed
INT _iOriginalTaskPaneWidth;
INT _iTaskPaneWidth;
DUIAxHost * _pePreview;
IUnknown * _punkPreview;
CDefView * _pDefView;
Element * _peTaskPane;
Element * _peClientViewHost;
Element * _peBarrier;
BOOL _bBarrierShown;
BOOL _bInitialized;
BSTR _bstrIntroText;
IPropertyBag * _ppbShellFolders;
CDUIDropTarget * _pDT;
Expando* _peSpecialSection;
Element* _peSpecialTaskList;
Value* _pvSpecialTaskSheet;
Expando* _peFolderSection;
Element* _peFolderTaskList;
Value* _pvFolderTaskSheet;
Expando* _peDetailsSection;
Element* _peDetailsInfoArea;
Value* _pvDetailsSheet;
IShellItemArray* _pshlItems;
HDSA _hdsaNonStdTaskSections;
BOOL _fLoadedTheme;
HINSTANCE _hinstTheme;
HANDLE _hinstScrollbarTheme;
BOOL _bAnimationsDisabled;
HRESULT _hrInit;
CDUIView(CDefView * pDefView);
~CDUIView();
public:
HRESULT Initialize();
friend CDUIView* Create_CDUIView(CDefView * pDefView);
void AddRef(void)
{ InterlockedIncrement(&_cRef); }
void Release(void)
{ if (0 == InterlockedDecrement(&_cRef)) delete this; }
void DetachListview();
HRESULT Initialize(BOOL bDisplayBarrier, IUnknown * punkPreview);
HRESULT EnableBarrier(BOOL bDisplayBarrier);
HRESULT EnablePreview(IUnknown * punkPreview);
HRESULT Refresh(void);
HRESULT SetSize(RECT *rc);
HRESULT SetTaskPaneVisibility(BOOL bShow);
void CalculateInfotipRect(Element *pe, RECT *pRect);
BOOL Navigate(BOOL fForward);
HRESULT InitializeDropTarget (LPITEMIDLIST pidl, HWND hWnd, IDropTarget **pdt);
HRESULT NavigateToDestination(LPCITEMIDLIST pidl);
HRESULT DelayedNavigation(IShellItemArray *psiItemArray, IUICommand *puiCommand);
void UnInitializeDirectUI(void);
void ManageAnimations(BOOL bExiting);
HINSTANCE _GetThemeHinst(void);
void OnSelectionChange(IShellItemArray *psiItemArray);
void OnContentsChange(IShellItemArray *psiItemArray);
void OnExpandSection(DUISEC eDUISecID, BOOL bExpanded);
const WVTHEME* GetThemeInfo();
private:
//
// Flags passed to _Refresh().
//
enum REFRESH_FLAGS {
REFRESH_TASKS = 0x00000001, // Refresh webview task list content.
REFRESH_CONTENT = 0x00000002, // Refresh webview right-pane content.
REFRESH_SELCHG = 0x00000004, // Refreshing for a selection change
REFRESH_ALL = 0x00000003
};
HRESULT _CreateHostWindow(void);
HRESULT _LoadUIFileFromResources(HINSTANCE hinst, INT iID, char **pUIFile);
HRESULT _BuildUIFile(char **pUIFile, int *piCharCount);
HRESULT _BuildSection(Element* peSectionList, BOOL bMain, IUIElement* pTitle,
int idBitmapDesc, int idWatermarkDesc, Value* pvSectionSheet,
Parser* pParser, DUISEC eDUISecID, Expando ** ppeExpando, Element ** pTaskList);
HRESULT _AddActionTasks(Expando* peExpando, Element* peTaskList, IEnumUICommand* penum, Value* pvTaskSheet, BOOL bIntroAdded);
HRESULT _AddDestinationTasks(Element* peTaskList, IEnumIDList* penum, Value* pvTaskSheet);
HRESULT _AddDetailsSectionInfo();
HRESULT _BuildTaskList(Parser* pParser);
HRESULT _BuildStandardTaskList(Parser *pParser, Element *peSectionList);
HRESULT _BuildNonStandardTaskList(Parser *pParser, Element *peSectionList, HDSA hdsaSections);
HRESULT _InitializeElements(char * pUIFile, int iCharCount, BOOL bDisplayBarrier, IUnknown * punkPreview);
HRESULT _SwitchToBarrier(BOOL bDisplayBarrier);
HRESULT _ManagePreview(IUnknown * punkPreview);
HRESULT _GetIntroTextElement(Element** ppeIntroText);
HRESULT _BuildSoftBarrier(void);
void _InitializeShellFolderPropertyBag();
BOOL _ShowSectionExpanded(DUISEC eDUISecID);
const struct DUISEC_ATTRIBUTES *_GetSectionAttributes(DUISEC eDUISecID);
static LRESULT CALLBACK _DUIHostWndProc(HWND hWnd, UINT uMessage, WPARAM wParam, LPARAM lParam);
HRESULT _OnResize(long lWidth, long lHeight);
void _Refresh(IShellItemArray *psiItemArray, DWORD dwRefreshFlags = REFRESH_ALL);
HRESULT _AddNonStdTaskSection(const SFVM_WEBVIEW_ENUMTASKSECTION_DATA *pData);
HRESULT _GetNonStdTaskSectionsFromViewCB(void);
void _ClearNonStdTaskSections(void);
BOOL _bHideTaskPaneAlways; // Set to TRUE when "Use Classic View" is used, FALSE otherwise
BOOL _fHideTasklist; // Set to TRUE when an explorer bar is visible
public:
// Thumbnail extraction stuff...
HRESULT InitializeThumbnail(WNDPROC pfnWndProc);
HRESULT SetThumbnailMsgWindowPtr(void* p, void* pCheck);
HRESULT StartBitmapExtraction(LPCITEMIDLIST pidl);
// Details section info extraction stuff...
HRESULT InitializeDetailsInfo(WNDPROC pfnWndProc);
HRESULT SetDetailsInfoMsgWindowPtr(void* p, void* pCheck);
HRESULT StartInfoExtraction(LPCITEMIDLIST pidl);
VOID ShowDetails(BOOL fShow);
BOOL ShouldShowMiniPreview();
DWORD _dwThumbnailID; // Accessed by CMiniPreviewer (duiinfo.cpp)
DWORD _dwDetailsInfoID; // Accessed by CMiniPreviewer (duiinfo.cpp)
protected:
CComPtr<IThumbnail2> _spThumbnailExtractor2;
HWND _hwndMsgThumbExtract;
HWND _hwndMsgInfoExtract;
};
HBITMAP DUILoadBitmap(HINSTANCE hInstTheme, int idBitmapID, UINT uiLoadFlags);
HICON DUILoadIcon(LPCWSTR pszIconDesc, BOOL bSmall);
class HWNDView: public HWNDElement
{
public:
static HRESULT Create(OUT Element** ppElement); // Required for ClassInfo (always fails)
static HRESULT Create(HWND hParent, bool fDblBuffer, UINT nCreate, OUT Element** ppElement);
static HRESULT Create(HWND hParent, bool fDblBuffer, UINT nCreate, CDUIView * pDUIView, CDefView* pDefView, OUT Element** ppElement);
BOOL Navigate(BOOL fForward);
virtual LRESULT WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
virtual UINT MessageCallback(GMSG* pGMsg);
virtual void OnEvent(Event* pEvent);
void SetViewPtrs (CDUIView * pDUIView, CDefView* pDefView);
// ClassInfo accessors (static and virtual instance-based)
static IClassInfo* Class;
virtual IClassInfo* GetClassInfo() { return Class; }
static HRESULT Register();
HWNDView(void);
virtual ~HWNDView(void);
private:
BOOL _fFocus; // hack until SetGadgetFocus(NULL) works.
// see HWNDView::Navigate.
BOOL _fDelayedNavigation; // Try to prevent double-clicking. If this is TRUE, then one click
// has already been fired.
IUICommand * _puiDelayNavCmd; // The UI command object for delayed navigation. Look for WM_USER_DELAY_NAGIVATION.
IShellItemArray * _psiDelayNavArray; // The Shell Item Arraay for delayed navigation. Look for WM_USER_DELAY_NAGIVATION.
CDefView * _pDefView;// used to relay infotip messages
CDUIView* _pDUIView;
};
#endif