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128 lines
3.9 KiB
C++
128 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef CXIcon_H
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#define CXIcon_H
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#include "cxdc.h"
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void Icon_GetUrlExitRoutine(URL_Struct *pUrl, int iStatus, MWContext *pContext);
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class CXIcon;
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class CCustomImageObject
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{
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protected:
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CPtrList loadingImagesList; // A list of images that this window is still waiting for.
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public:
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virtual void LoadComplete(HT_Resource r) = 0;
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virtual CRDFImage* LookupImage(const char* url, HT_Resource r);
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virtual ~CCustomImageObject();
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virtual void AddLoadingImage(CRDFImage* pImage);
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virtual void RemoveLoadingImage(CRDFImage* pImage);
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};
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struct CIconCallbackInfo
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{
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HT_Resource pResource;
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CCustomImageObject* pObject;
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CIconCallbackInfo(CCustomImageObject* pObj, HT_Resource pRes)
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:pObject(pObj), pResource(pRes) {}
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};
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class CRDFImage
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{
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public:
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char *pUrl; // The URL at which the image can be found.
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BOOL m_bCompletelyLoaded; // Whether or not the image has completely finished loading.
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BOOL m_bFrameLoaded; // Whether or not a single frame of the image is available yet.
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// (Lets you know whether or not you can start drawing something.)
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BITMAPINFO *bmpInfo; // The current bits of the image.
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void XP_HUGE *bits;
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void XP_HUGE *maskbits;
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HDC hSubDC;
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BOOL m_BadImage; // Whether or not to use the bad image bitmap.
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static HBITMAP m_hBadImageBitmap; // A bitmap to use if the image is not obtainable.
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static int refCount; // A reference counter for the total # of RDF images that currently exist.
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CXIcon* iconContext; // The context that is performing the load.
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CPtrList resourceList; // The observers of this image.
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int m_nRefCount; // The # of observers.
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int pairCount; // Specifies whether or not the mask and the image bits are ready.
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public:
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CRDFImage(const char * pUrl);
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virtual ~CRDFImage();
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void ProcessIcon();
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void CompleteCallback();
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void CompleteFrameCallback();
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BOOL FrameLoaded(); // Whether or not a single frame is ready (either good or bad).
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BOOL FrameSuccessfullyLoaded(); // Whether or not a good frame is ready.
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BOOL CompletelyLoaded(); // Whether or not the entire image is ready (either good or bad).
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void DestroyContext();
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void RemoveListener(CCustomImageObject* pObject);
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void RemoveListenerForSpecificResource(CCustomImageObject *pObject, HT_Resource r);
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void AddListener(CCustomImageObject* pObject, HT_Resource r);
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};
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class CXIcon : public CDCCX {
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public:
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CXIcon(){}
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CXIcon(CRDFImage* image);
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virtual ~CXIcon();
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private:
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CPtrList imageList;
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HDC m_hDC;
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NI_Pixmap* m_image;
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NI_Pixmap* m_mask;
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CRDFImage* m_icon;
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public:
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virtual HDC GetContextDC() { return m_hDC; }
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void SubstituteDC(HDC hdc) { m_hDC = hdc; }
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virtual BOOL IsDeviceDC() { return TRUE; }
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virtual HDC GetAttribDC() { return m_hDC; }
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virtual BITMAPINFO *NewPixmap(NI_Pixmap *pImage, BOOL mask);
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void DeleteContextDC() { DeleteDC(m_hDC); }
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void ReleaseContextDC(HDC pDC) {}
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virtual void ImageComplete(NI_Pixmap* image);
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// Don't display partial images.
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virtual void AllConnectionsComplete(MWContext *pContext);
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void NiceDestruction();
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virtual int DisplayPixmap(NI_Pixmap* image, NI_Pixmap* mask, int32 x, int32 y, int32 x_offset, int32 y_offset, int32 width, int32 height, int32 lScaleWidth, int32 lScaleHeight, LTRB& Rect);
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};
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#endif
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