wxWidgets/include/wx/msw/webview_ie.h
2016-09-23 07:59:11 -07:00

357 lines
13 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: include/wx/msw/webview_ie.h
// Purpose: wxMSW IE wxWebView backend
// Author: Marianne Gagnon
// Copyright: (c) 2010 Marianne Gagnon, 2011 Steven Lamerton
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef wxWebViewIE_H
#define wxWebViewIE_H
#include "wx/setup.h"
#if wxUSE_WEBVIEW && wxUSE_WEBVIEW_IE && defined(__WXMSW__)
#include "wx/control.h"
#include "wx/webview.h"
#include "wx/msw/ole/automtn.h"
#include "wx/msw/ole/activex.h"
#include "wx/msw/ole/oleutils.h"
#include "wx/msw/private/comptr.h"
#include "wx/msw/wrapwin.h"
#include "wx/msw/missing.h"
#include "wx/msw/webview_missing.h"
#include "wx/sharedptr.h"
#include "wx/vector.h"
struct IHTMLDocument2;
struct IHTMLElement;
struct IMarkupPointer;
class wxFSFile;
class ClassFactory;
class wxIEContainer;
class DocHostUIHandler;
class wxFindPointers;
class wxIInternetProtocol;
class WXDLLIMPEXP_WEBVIEW wxWebViewIE : public wxWebView
{
public:
wxWebViewIE() {}
wxWebViewIE(wxWindow* parent,
wxWindowID id,
const wxString& url = wxWebViewDefaultURLStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxWebViewNameStr)
{
Create(parent, id, url, pos, size, style, name);
}
~wxWebViewIE();
bool Create(wxWindow* parent,
wxWindowID id,
const wxString& url = wxWebViewDefaultURLStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxWebViewNameStr) wxOVERRIDE;
virtual void LoadURL(const wxString& url) wxOVERRIDE;
virtual void LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item) wxOVERRIDE;
virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetBackwardHistory() wxOVERRIDE;
virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetForwardHistory() wxOVERRIDE;
virtual bool CanGoForward() const wxOVERRIDE;
virtual bool CanGoBack() const wxOVERRIDE;
virtual void GoBack() wxOVERRIDE;
virtual void GoForward() wxOVERRIDE;
virtual void ClearHistory() wxOVERRIDE;
virtual void EnableHistory(bool enable = true) wxOVERRIDE;
virtual void Stop() wxOVERRIDE;
virtual void Reload(wxWebViewReloadFlags flags = wxWEBVIEW_RELOAD_DEFAULT) wxOVERRIDE;
virtual wxString GetPageSource() const wxOVERRIDE;
virtual wxString GetPageText() const wxOVERRIDE;
virtual bool IsBusy() const wxOVERRIDE;
virtual wxString GetCurrentURL() const wxOVERRIDE;
virtual wxString GetCurrentTitle() const wxOVERRIDE;
virtual void SetZoomType(wxWebViewZoomType) wxOVERRIDE;
virtual wxWebViewZoomType GetZoomType() const wxOVERRIDE;
virtual bool CanSetZoomType(wxWebViewZoomType) const wxOVERRIDE;
virtual void Print() wxOVERRIDE;
virtual wxWebViewZoom GetZoom() const wxOVERRIDE;
virtual void SetZoom(wxWebViewZoom zoom) wxOVERRIDE;
//Clipboard functions
virtual bool CanCut() const wxOVERRIDE;
virtual bool CanCopy() const wxOVERRIDE;
virtual bool CanPaste() const wxOVERRIDE;
virtual void Cut() wxOVERRIDE;
virtual void Copy() wxOVERRIDE;
virtual void Paste() wxOVERRIDE;
//Undo / redo functionality
virtual bool CanUndo() const wxOVERRIDE;
virtual bool CanRedo() const wxOVERRIDE;
virtual void Undo() wxOVERRIDE;
virtual void Redo() wxOVERRIDE;
//Find function
virtual long Find(const wxString& text, int flags = wxWEBVIEW_FIND_DEFAULT) wxOVERRIDE;
//Editing functions
virtual void SetEditable(bool enable = true) wxOVERRIDE;
virtual bool IsEditable() const wxOVERRIDE;
//Selection
virtual void SelectAll() wxOVERRIDE;
virtual bool HasSelection() const wxOVERRIDE;
virtual void DeleteSelection() wxOVERRIDE;
virtual wxString GetSelectedText() const wxOVERRIDE;
virtual wxString GetSelectedSource() const wxOVERRIDE;
virtual void ClearSelection() wxOVERRIDE;
virtual void RunScript(const wxString& javascript) wxOVERRIDE;
//Virtual Filesystem Support
virtual void RegisterHandler(wxSharedPtr<wxWebViewHandler> handler) wxOVERRIDE;
virtual void* GetNativeBackend() const wxOVERRIDE { return m_webBrowser; }
// ---- IE-specific methods
// FIXME: I seem to be able to access remote webpages even in offline mode...
bool IsOfflineMode();
void SetOfflineMode(bool offline);
wxWebViewZoom GetIETextZoom() const;
void SetIETextZoom(wxWebViewZoom level);
wxWebViewZoom GetIEOpticalZoom() const;
void SetIEOpticalZoom(wxWebViewZoom level);
void onActiveXEvent(wxActiveXEvent& evt);
void onEraseBg(wxEraseEvent&) {}
wxDECLARE_EVENT_TABLE();
protected:
virtual void DoSetPage(const wxString& html, const wxString& baseUrl) wxOVERRIDE;
private:
wxIEContainer* m_container;
wxAutomationObject m_ie;
IWebBrowser2* m_webBrowser;
DWORD m_dwCookie;
wxCOMPtr<DocHostUIHandler> m_uiHandler;
//We store the current zoom type;
wxWebViewZoomType m_zoomType;
/** The "Busy" property of IWebBrowser2 does not always return busy when
* we'd want it to; this variable may be set to true in cases where the
* Busy property is false but should be true.
*/
bool m_isBusy;
//We manage our own history, the history list contains the history items
//which are added as documentcomplete events arrive, unless we are loading
//an item from the history. The position is stored as an int, and reflects
//where we are in the history list.
wxVector<wxSharedPtr<wxWebViewHistoryItem> > m_historyList;
wxVector<ClassFactory*> m_factories;
int m_historyPosition;
bool m_historyLoadingFromList;
bool m_historyEnabled;
//We store find flag, results and position.
wxVector<wxFindPointers> m_findPointers;
int m_findFlags;
wxString m_findText;
int m_findPosition;
//Generic helper functions
bool CanExecCommand(wxString command) const;
void ExecCommand(wxString command);
wxCOMPtr<IHTMLDocument2> GetDocument() const;
bool IsElementVisible(wxCOMPtr<IHTMLElement> elm);
//Find helper functions.
void FindInternal(const wxString& text, int flags, int internal_flag);
long FindNext(int direction = 1);
void FindClear();
//Toggles control features see INTERNETFEATURELIST for values.
bool EnableControlFeature(long flag, bool enable = true);
wxDECLARE_DYNAMIC_CLASS(wxWebViewIE);
};
class WXDLLIMPEXP_WEBVIEW wxWebViewFactoryIE : public wxWebViewFactory
{
public:
virtual wxWebView* Create() wxOVERRIDE { return new wxWebViewIE; }
virtual wxWebView* Create(wxWindow* parent,
wxWindowID id,
const wxString& url = wxWebViewDefaultURLStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxWebViewNameStr) wxOVERRIDE
{ return new wxWebViewIE(parent, id, url, pos, size, style, name); }
};
class VirtualProtocol : public wxIInternetProtocol
{
protected:
wxIInternetProtocolSink* m_protocolSink;
wxString m_html;
VOID * fileP;
wxFSFile* m_file;
wxSharedPtr<wxWebViewHandler> m_handler;
public:
VirtualProtocol(wxSharedPtr<wxWebViewHandler> handler);
virtual ~VirtualProtocol() {}
//IUnknown
DECLARE_IUNKNOWN_METHODS;
//IInternetProtocolRoot
HRESULT STDMETHODCALLTYPE Abort(HRESULT WXUNUSED(hrReason),
DWORD WXUNUSED(dwOptions)) wxOVERRIDE
{ return E_NOTIMPL; }
HRESULT STDMETHODCALLTYPE Continue(wxPROTOCOLDATA *WXUNUSED(pProtocolData)) wxOVERRIDE
{ return S_OK; }
HRESULT STDMETHODCALLTYPE Resume() wxOVERRIDE { return S_OK; }
HRESULT STDMETHODCALLTYPE Start(LPCWSTR szUrl,
wxIInternetProtocolSink *pOIProtSink,
wxIInternetBindInfo *pOIBindInfo,
DWORD grfPI,
HANDLE_PTR dwReserved) wxOVERRIDE;
HRESULT STDMETHODCALLTYPE Suspend() wxOVERRIDE { return S_OK; }
HRESULT STDMETHODCALLTYPE Terminate(DWORD WXUNUSED(dwOptions)) wxOVERRIDE { return S_OK; }
//IInternetProtocol
HRESULT STDMETHODCALLTYPE LockRequest(DWORD WXUNUSED(dwOptions)) wxOVERRIDE
{ return S_OK; }
HRESULT STDMETHODCALLTYPE Read(void *pv, ULONG cb, ULONG *pcbRead) wxOVERRIDE;
HRESULT STDMETHODCALLTYPE Seek(LARGE_INTEGER WXUNUSED(dlibMove),
DWORD WXUNUSED(dwOrigin),
ULARGE_INTEGER* WXUNUSED(plibNewPosition)) wxOVERRIDE
{ return E_FAIL; }
HRESULT STDMETHODCALLTYPE UnlockRequest() wxOVERRIDE { return S_OK; }
};
class ClassFactory : public IClassFactory
{
public:
ClassFactory(wxSharedPtr<wxWebViewHandler> handler) : m_handler(handler)
{ AddRef(); }
virtual ~ClassFactory() {}
wxString GetName() { return m_handler->GetName(); }
//IClassFactory
HRESULT STDMETHODCALLTYPE CreateInstance(IUnknown* pUnkOuter,
REFIID riid, void** ppvObject) wxOVERRIDE;
HRESULT STDMETHODCALLTYPE LockServer(BOOL fLock) wxOVERRIDE;
//IUnknown
DECLARE_IUNKNOWN_METHODS;
private:
wxSharedPtr<wxWebViewHandler> m_handler;
};
class wxIEContainer : public wxActiveXContainer
{
public:
wxIEContainer(wxWindow *parent, REFIID iid, IUnknown *pUnk, DocHostUIHandler* uiHandler = NULL);
virtual ~wxIEContainer();
virtual bool QueryClientSiteInterface(REFIID iid, void **_interface, const char *&desc) wxOVERRIDE;
private:
DocHostUIHandler* m_uiHandler;
};
class DocHostUIHandler : public wxIDocHostUIHandler
{
public:
DocHostUIHandler(wxWebView* browser) { m_browser = browser; }
virtual ~DocHostUIHandler() {}
virtual HRESULT wxSTDCALL ShowContextMenu(DWORD dwID, POINT *ppt,
IUnknown *pcmdtReserved,
IDispatch *pdispReserved) wxOVERRIDE;
virtual HRESULT wxSTDCALL GetHostInfo(DOCHOSTUIINFO *pInfo) wxOVERRIDE;
virtual HRESULT wxSTDCALL ShowUI(DWORD dwID,
IOleInPlaceActiveObject *pActiveObject,
IOleCommandTarget *pCommandTarget,
IOleInPlaceFrame *pFrame,
IOleInPlaceUIWindow *pDoc) wxOVERRIDE;
virtual HRESULT wxSTDCALL HideUI(void) wxOVERRIDE;
virtual HRESULT wxSTDCALL UpdateUI(void) wxOVERRIDE;
virtual HRESULT wxSTDCALL EnableModeless(BOOL fEnable) wxOVERRIDE;
virtual HRESULT wxSTDCALL OnDocWindowActivate(BOOL fActivate) wxOVERRIDE;
virtual HRESULT wxSTDCALL OnFrameWindowActivate(BOOL fActivate) wxOVERRIDE;
virtual HRESULT wxSTDCALL ResizeBorder(LPCRECT prcBorder,
IOleInPlaceUIWindow *pUIWindow,
BOOL fRameWindow) wxOVERRIDE;
virtual HRESULT wxSTDCALL TranslateAccelerator(LPMSG lpMsg,
const GUID *pguidCmdGroup,
DWORD nCmdID) wxOVERRIDE;
virtual HRESULT wxSTDCALL GetOptionKeyPath(LPOLESTR *pchKey,
DWORD dw) wxOVERRIDE;
virtual HRESULT wxSTDCALL GetDropTarget(IDropTarget *pDropTarget,
IDropTarget **ppDropTarget) wxOVERRIDE;
virtual HRESULT wxSTDCALL GetExternal(IDispatch **ppDispatch) wxOVERRIDE;
virtual HRESULT wxSTDCALL TranslateUrl(DWORD dwTranslate,
OLECHAR *pchURLIn,
OLECHAR **ppchURLOut) wxOVERRIDE;
virtual HRESULT wxSTDCALL FilterDataObject(IDataObject *pDO,
IDataObject **ppDORet) wxOVERRIDE;
//IUnknown
DECLARE_IUNKNOWN_METHODS;
private:
wxWebView* m_browser;
};
class wxFindPointers
{
public:
wxFindPointers(wxIMarkupPointer *ptrBegin, wxIMarkupPointer *ptrEnd)
{
begin = ptrBegin;
end = ptrEnd;
}
//The two markup pointers.
wxIMarkupPointer *begin, *end;
};
#endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_IE && defined(__WXMSW__)
#endif // wxWebViewIE_H