wxWidgets/include/wx/webview.h
Steve Lamerton 66ac040060 Add support for searching and highlighting a wxWebView.
Currently supports WebView on GTK and IE. Closes #14045.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72390 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2012-08-28 17:13:13 +00:00

264 lines
8.3 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: webview.h
// Purpose: Common interface and events for web view component
// Author: Marianne Gagnon
// Id: $Id$
// Copyright: (c) 2010 Marianne Gagnon, 2011 Steven Lamerton
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WEB_VIEW_H_
#define _WX_WEB_VIEW_H_
#include "wx/defs.h"
#if wxUSE_WEBVIEW
#include "wx/control.h"
#include "wx/event.h"
#include "wx/sstream.h"
#include "wx/sharedptr.h"
#include "wx/vector.h"
#if defined(__WXOSX__)
#include "wx/osx/webviewhistoryitem_webkit.h"
#elif defined(__WXGTK__)
#include "wx/gtk/webviewhistoryitem_webkit.h"
#elif defined(__WXMSW__)
#include "wx/msw/webviewhistoryitem_ie.h"
#else
#error "wxWebView not implemented on this platform."
#endif
class wxFSFile;
class wxFileSystem;
enum wxWebViewZoom
{
wxWEB_VIEW_ZOOM_TINY,
wxWEB_VIEW_ZOOM_SMALL,
wxWEB_VIEW_ZOOM_MEDIUM,
wxWEB_VIEW_ZOOM_LARGE,
wxWEB_VIEW_ZOOM_LARGEST
};
enum wxWebViewZoomType
{
//Scales entire page, including images
wxWEB_VIEW_ZOOM_TYPE_LAYOUT,
wxWEB_VIEW_ZOOM_TYPE_TEXT
};
enum wxWebViewNavigationError
{
wxWEB_NAV_ERR_CONNECTION,
wxWEB_NAV_ERR_CERTIFICATE,
wxWEB_NAV_ERR_AUTH,
wxWEB_NAV_ERR_SECURITY,
wxWEB_NAV_ERR_NOT_FOUND,
wxWEB_NAV_ERR_REQUEST,
wxWEB_NAV_ERR_USER_CANCELLED,
wxWEB_NAV_ERR_OTHER
};
enum wxWebViewReloadFlags
{
//Default, may access cache
wxWEB_VIEW_RELOAD_DEFAULT,
wxWEB_VIEW_RELOAD_NO_CACHE
};
enum wxWebViewFindFlags
{
wxWEB_VIEW_FIND_WRAP = 0x0001,
wxWEB_VIEW_FIND_ENTIRE_WORD = 0x0002,
wxWEB_VIEW_FIND_MATCH_CASE = 0x0004,
wxWEB_VIEW_FIND_HIGHLIGHT_RESULT = 0x0008,
wxWEB_VIEW_FIND_BACKWARDS = 0x0010,
wxWEB_VIEW_FIND_DEFAULT = 0
};
enum wxWebViewBackend
{
wxWEB_VIEW_BACKEND_DEFAULT,
wxWEB_VIEW_BACKEND_WEBKIT,
wxWEB_VIEW_BACKEND_IE
};
//Base class for custom scheme handlers
class WXDLLIMPEXP_WEBVIEW wxWebViewHandler
{
public:
wxWebViewHandler(const wxString& scheme) : m_scheme(scheme) {}
virtual ~wxWebViewHandler() {}
virtual wxString GetName() const { return m_scheme; }
virtual wxFSFile* GetFile(const wxString &uri) = 0;
private:
wxString m_scheme;
};
extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewNameStr[];
extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewDefaultURLStr[];
class WXDLLIMPEXP_WEBVIEW wxWebView : public wxControl
{
public:
virtual ~wxWebView() {}
virtual 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) = 0;
static wxWebView* New(wxWebViewBackend backend = wxWEB_VIEW_BACKEND_DEFAULT);
static wxWebView* New(wxWindow* parent,
wxWindowID id,
const wxString& url = wxWebViewDefaultURLStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
wxWebViewBackend backend = wxWEB_VIEW_BACKEND_DEFAULT,
long style = 0,
const wxString& name = wxWebViewNameStr);
//General methods
virtual wxString GetCurrentTitle() const = 0;
virtual wxString GetCurrentURL() const = 0;
// TODO: handle choosing a frame when calling GetPageSource()?
virtual wxString GetPageSource() const = 0;
virtual wxString GetPageText() const = 0;
virtual bool IsBusy() const = 0;
virtual bool IsEditable() const = 0;
virtual void LoadURL(const wxString& url) = 0;
virtual void Print() = 0;
virtual void RegisterHandler(wxSharedPtr<wxWebViewHandler> handler) = 0;
virtual void Reload(wxWebViewReloadFlags flags = wxWEB_VIEW_RELOAD_DEFAULT) = 0;
virtual void RunScript(const wxString& javascript) = 0;
virtual void SetEditable(bool enable = true) = 0;
void SetPage(const wxString& html, const wxString& baseUrl)
{
DoSetPage(html, baseUrl);
}
void SetPage(wxInputStream& html, wxString baseUrl)
{
wxStringOutputStream stream;
stream.Write(html);
DoSetPage(stream.GetString(), baseUrl);
}
virtual void Stop() = 0;
//History
virtual bool CanGoBack() const = 0;
virtual bool CanGoForward() const = 0;
virtual void GoBack() = 0;
virtual void GoForward() = 0;
virtual void ClearHistory() = 0;
virtual void EnableHistory(bool enable = true) = 0;
virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetBackwardHistory() = 0;
virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetForwardHistory() = 0;
virtual void LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item) = 0;
//Zoom
virtual bool CanSetZoomType(wxWebViewZoomType type) const = 0;
virtual wxWebViewZoom GetZoom() const = 0;
virtual wxWebViewZoomType GetZoomType() const = 0;
virtual void SetZoom(wxWebViewZoom zoom) = 0;
virtual void SetZoomType(wxWebViewZoomType zoomType) = 0;
//Selection
virtual void SelectAll() = 0;
virtual bool HasSelection() const = 0;
virtual void DeleteSelection() = 0;
virtual wxString GetSelectedText() const = 0;
virtual wxString GetSelectedSource() const = 0;
virtual void ClearSelection() = 0;
//Clipboard functions
virtual bool CanCut() const = 0;
virtual bool CanCopy() const = 0;
virtual bool CanPaste() const = 0;
virtual void Cut() = 0;
virtual void Copy() = 0;
virtual void Paste() = 0;
//Undo / redo functionality
virtual bool CanUndo() const = 0;
virtual bool CanRedo() const = 0;
virtual void Undo() = 0;
virtual void Redo() = 0;
//Get the pointer to the underlying native engine.
virtual void* GetNativeBackend() const = 0;
//Find function
virtual long Find(const wxString& text, int flags = wxWEB_VIEW_FIND_DEFAULT) = 0;
protected:
virtual void DoSetPage(const wxString& html, const wxString& baseUrl) = 0;
wxDECLARE_ABSTRACT_CLASS(wxWebView);
};
class WXDLLIMPEXP_WEBVIEW wxWebViewEvent : public wxNotifyEvent
{
public:
wxWebViewEvent() {}
wxWebViewEvent(wxEventType type, int id, const wxString url,
const wxString target)
: wxNotifyEvent(type, id), m_url(url), m_target(target)
{}
const wxString& GetURL() const { return m_url; }
const wxString& GetTarget() const { return m_target; }
virtual wxEvent* Clone() const { return new wxWebViewEvent(*this); }
private:
wxString m_url;
wxString m_target;
wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxWebViewEvent);
};
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_COMMAND_WEB_VIEW_NAVIGATING, wxWebViewEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_COMMAND_WEB_VIEW_NAVIGATED, wxWebViewEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_COMMAND_WEB_VIEW_LOADED, wxWebViewEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_COMMAND_WEB_VIEW_ERROR, wxWebViewEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_COMMAND_WEB_VIEW_NEWWINDOW, wxWebViewEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_COMMAND_WEB_VIEW_TITLE_CHANGED, wxWebViewEvent );
typedef void (wxEvtHandler::*wxWebViewEventFunction)
(wxWebViewEvent&);
#define wxWebViewEventHandler(func) \
wxEVENT_HANDLER_CAST(wxWebViewEventFunction, func)
#define EVT_WEB_VIEW_NAVIGATING(id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_NAVIGATING, id, \
wxWebViewEventHandler(fn))
#define EVT_WEB_VIEW_NAVIGATED(id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_NAVIGATED, id, \
wxWebViewEventHandler(fn))
#define EVT_WEB_VIEW_LOADED(id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_LOADED, id, \
wxWebViewEventHandler(fn))
#define EVT_WEB_VIEW_ERROR(id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_ERROR, id, \
wxWebViewEventHandler(fn))
#define EVT_WEB_VIEW_NEWWINDOW(id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_NEWWINDOW, id, \
wxWebViewEventHandler(fn))
#define EVT_WEB_VIEW_TITLE_CHANGED(id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_TITLE_CHANGED, id, \
wxWebViewEventHandler(fn))
#endif // wxUSE_WEBVIEW
#endif // _WX_WEB_VIEW_H_