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