gecko-dev/widget/windows/nsClipboard.h

93 lines
3.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsClipboard_h__
#define nsClipboard_h__
#include "nsBaseClipboard.h"
#include "nsIObserver.h"
#include "nsIURI.h"
#include <windows.h>
class nsITransferable;
class nsIWidget;
class nsIFile;
struct IDataObject;
/**
* Native Win32 Clipboard wrapper
*/
class nsClipboard : public nsBaseClipboard,
public nsIObserver
{
virtual ~nsClipboard();
public:
nsClipboard();
NS_DECL_ISUPPORTS_INHERITED
// nsIObserver
NS_DECL_NSIOBSERVER
// nsIClipboard
NS_IMETHOD HasDataMatchingFlavors(const char** aFlavorList, uint32_t aLength,
int32_t aWhichClipboard, bool *_retval) override;
NS_IMETHOD EmptyClipboard(int32_t aWhichClipboard) override;
// Internal Native Routines
static nsresult CreateNativeDataObject(nsITransferable * aTransferable,
IDataObject ** aDataObj,
nsIURI * uri);
static nsresult SetupNativeDataObject(nsITransferable * aTransferable,
IDataObject * aDataObj);
static nsresult GetDataFromDataObject(IDataObject * aDataObject,
UINT anIndex,
nsIWidget * aWindow,
nsITransferable * aTransferable);
static nsresult GetNativeDataOffClipboard(nsIWidget * aWindow, UINT aIndex, UINT aFormat, void ** aData, uint32_t * aLen);
static nsresult GetNativeDataOffClipboard(IDataObject * aDataObject, UINT aIndex, UINT aFormat, const char * aMIMEImageFormat, void ** aData, uint32_t * aLen);
static nsresult GetGlobalData(HGLOBAL aHGBL, void ** aData, uint32_t * aLen);
// This function returns the internal Windows clipboard format identifier
// for a given Mime string. The default is to map kHTMLMime ("text/html")
// to the clipboard format CF_HTML ("HTLM Format"), but it can also be
// registered as clipboard format "text/html" to support previous versions
// of Gecko.
static UINT GetFormat(const char* aMimeStr, bool aMapHTMLMime = true);
static UINT CF_HTML;
static UINT CF_CUSTOMTYPES;
protected:
NS_IMETHOD SetNativeClipboardData ( int32_t aWhichClipboard ) override;
NS_IMETHOD GetNativeClipboardData ( nsITransferable * aTransferable, int32_t aWhichClipboard ) override;
static bool IsInternetShortcut ( const nsAString& inFileName ) ;
static bool FindURLFromLocalFile ( IDataObject* inDataObject, UINT inIndex, void** outData, uint32_t* outDataLen ) ;
static bool FindURLFromNativeURL ( IDataObject* inDataObject, UINT inIndex, void** outData, uint32_t* outDataLen ) ;
static bool FindUnicodeFromPlainText ( IDataObject* inDataObject, UINT inIndex, void** outData, uint32_t* outDataLen ) ;
static bool FindPlatformHTML ( IDataObject* inDataObject, UINT inIndex, void** outData,
uint32_t* outStartOfData, uint32_t* outDataLen );
static void ResolveShortcut ( nsIFile* inFileName, nsACString& outURL ) ;
nsIWidget * mWindow;
};
#define SET_FORMATETC(fe, cf, td, asp, li, med) \
{\
(fe).cfFormat=cf;\
(fe).ptd=td;\
(fe).dwAspect=asp;\
(fe).lindex=li;\
(fe).tymed=med;\
}
#endif // nsClipboard_h__