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198 lines
7.5 KiB
198 lines
7.5 KiB
//========= Copyright 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef IHTML_H
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#define IHTML_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include <vgui/vgui.h>
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#include <vgui/MouseCode.h>
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#include <vgui/KeyCode.h>
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#include <vgui/Cursor.h>
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#include <vgui/IImage.h>
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namespace vgui
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{
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//-----------------------------------------------------------------------------
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// Purpose: basic interface for a HTML window
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//-----------------------------------------------------------------------------
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class IHTML
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{
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public:
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// open a new page
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virtual void OpenURL(const char *)=0;
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// stops the existing page from loading
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virtual bool StopLoading()=0;
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// refreshes the current page
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virtual bool Refresh()=0;
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// display the control -- deprecated !! Use SetVisible() instead!
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virtual bool Show(bool shown)=0;
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// return the currently opened page
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virtual const char *GetOpenedPage()=0;
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// called when the browser needs to be resized
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virtual void Obsolete_OnSize(int x,int y, int w,int h)=0;
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// returns the width and height (in pixels) of the HTML full page (not just the displayed region)
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virtual void GetHTMLSize(int &wide,int &tall) = 0;
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// clear the text in an existing control
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virtual void Clear()=0;
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// add text to the browser control (as a HTML formated string)
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virtual void AddText(const char *text)=0;
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enum MOUSE_STATE { UP,DOWN,MOVE,DBLCLICK };
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// unused functions we keep around so the vtable layout is binary compatible
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virtual void Obsolete_OnMouse(MouseCode code,MOUSE_STATE s,int x,int y)=0;
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virtual void Obsolete_OnChar(wchar_t unichar)=0;
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virtual void Obsolete_OnKeyDown(KeyCode code)=0;
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virtual vgui::IImage *GetBitmap()=0;
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virtual void SetVisible( bool state ) = 0;
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virtual void SetSize( int wide,int tall )=0;
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virtual void OnMouse(MouseCode code,MOUSE_STATE s,int x,int y, bool bPopupMenuMenu )=0;
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virtual void OnChar(wchar_t unichar, bool bPopupMenu)=0;
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virtual void OnKeyDown(KeyCode code, bool bPopupMenu)=0;
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virtual void ScrollV( int nPixels ) = 0;
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virtual void ScrollH( int nPixels ) = 0;
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virtual void OnMouseWheeled( int delta, bool bPopupMenu )= 0;
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// called when the browser needs to be resized
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virtual void OnKeyUp(KeyCode code, bool bPopupMenu)=0;
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// open a URL with the provided POST data (which can be much larger than the max URL of 512 chars)
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// NOTE - You CANNOT have get params (i.e a "?" ) in pchURL if pchPostData is set (due to an IE bug)
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virtual void PostURL( const char *pchURL, const char *pchPostData ) = 0;
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// Run javascript within the browser control
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virtual void RunJavascript( const char *pchScript ) = 0;
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virtual void SetMousePosition( int x, int y, bool bPopupMenu ) = 0;
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virtual void SetUserAgentInfo( const wchar_t *pwchUserAgent ) = 0;
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// can't add custom headers to IE
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virtual void AddHeader( const char *pchHeader, const char *pchValue ) = 0;
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virtual void SetFileDialogChoice( const char *pchFileName ) = 0;
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// we are hiding the popup, so make sure webkit knows
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virtual void HidePopup() = 0;
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virtual void SetHTMLFocus() = 0;
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virtual void KillHTMLFocus() = 0;
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// ask webkit about the size of any scrollbars it wants to render
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virtual void HorizontalScrollBarSize( int &x, int &y, int &wide, int &tall) = 0;
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virtual void VerticalScrollBarSize( int &x, int &y, int &wide, int &tall) = 0;
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virtual int HorizontalScroll() = 0;
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virtual int VerticalScroll() = 0;
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virtual int HorizontalScrollMax() =0;
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virtual int VerticalScrollMax() =0;
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virtual bool IsHorizontalScrollBarVisible() =0;
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virtual bool IsVeritcalScrollBarVisible() =0;
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virtual void SetHorizontalScroll( int scroll ) =0;
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virtual void SetVerticalScroll( int scroll ) =0;
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virtual void ViewSource() = 0;
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virtual void Copy() = 0;
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virtual void Paste() = 0;
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// IE specific calls
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virtual bool IsIERender() = 0;
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virtual void GetIDispatchPtr( void **pIDispatch ) = 0;
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virtual void GetHTMLScroll( int &top, int &left ) = 0;
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};
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//-----------------------------------------------------------------------------
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// Purpose: possible load errors when you open a url in the web browser
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//-----------------------------------------------------------------------------
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enum EWebPageLoadError
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{
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eLoadErrorNone = 0,
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eMimeTypeNotSupported, // probably trying to download an exe or something
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eCacheMiss, // Usually caused by navigating to a page with POST data via back or forward buttons
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eBadURL, // bad url passed in (invalid hostname, malformed)
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eConnectionProblem, // network connectivity problem, server offline or user not on internet
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eProxyConnectionProblem, // User is configured to use proxy, but we can't use it
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eLoadErrorUnknown, // not a load type we classify right now, check out cef_handler_errorcode_t for the full list we could translate
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};
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//-----------------------------------------------------------------------------
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// Purpose: basic callback interface for a HTML window
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//-----------------------------------------------------------------------------
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class IHTMLEvents
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{
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public:
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// unused functions we keep around so the vtable layout is binary compatible
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virtual bool Obsolete_OnStartURL(const char *url, const char *target, bool first)=0;
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virtual void Obsolete_OnFinishURL(const char *url)=0;
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virtual void Obsolete_OnProgressURL(long current, long maximum)=0;
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virtual void Obsolete_OnSetStatusText(const char *text) =0;
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virtual void Obsolete_OnUpdate() =0;
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virtual void Obsolete_OnLink()=0;
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virtual void Obsolete_OffLink()=0;
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// call backs for events
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// when the top level browser is changing the page they are looking at (not sub iframes or the like loading)
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virtual void OnURLChanged( const char *url, const char *pchPostData, bool bIsRedirect ) = 0;
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// the control has finished loading a request, could be a sub request in the page
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virtual void OnFinishRequest( const char *url, const char *pageTitle ) = 0;
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// the lower html control wants to load a url, do we allow it?
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virtual bool OnStartRequestInternal( const char *url, const char *target, const char *pchPostData, bool bIsRedirect ) = 0;
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// show a popup menu for this html control
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virtual void ShowPopup( int x, int y, int wide, int tall ) = 0;
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// hide any popup menu you are showing
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virtual void HidePopup() = 0;
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// show an external html window at this position and side
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virtual bool OnPopupHTMLWindow( const char *pchURL, int x, int y, int wide, int tall ) = 0;
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// the browser is telling us the title it would like us to show
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virtual void SetHTMLTitle( const char *pchTitle ) = 0;
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// the browser is loading a sub url for a page, usually an image or css
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virtual void OnLoadingResource( const char *pchURL ) = 0;
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// the browser is telling us the user is hovering a url or the like
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virtual void OnSetStatusText(const char *text) =0;
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// the browser wants the cursor changed please
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virtual void OnSetCursor( vgui::CursorCode cursor ) = 0;
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// the browser wants to ask the user to select a local file and tell it about it
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virtual void OnFileLoadDialog( const char *pchTitle, const char *pchInitialFile ) = 0;
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// show and hide tooltip text
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virtual void OnShowToolTip( const char *pchText ) = 0;
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virtual void OnUpdateToolTip( const char *pchText ) = 0;
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virtual void OnHideToolTip() = 0;
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// IE only code
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virtual bool BOnCreateNewWindow( void **ppDispatch ) = 0;
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virtual void OnLink()=0;
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virtual void OffLink()=0;
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virtual void OnCloseWindow() = 0;
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virtual void OnUpdate() =0;
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virtual void OnProgressRequest(long current, long maximum)=0;
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};
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}
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#endif // IHTML_H
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