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/* -*- 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 "nsCOMPtr.h"
#include "nsIClipboard.h"
#include "nsString.h"
#include "mozilla/Maybe.h"
#include "mozilla/StaticPtr.h"
#import <Cocoa/Cocoa.h>
class nsITransferable;
class nsClipboard : public nsBaseClipboard {
public:
nsClipboard();
NS_DECL_ISUPPORTS_INHERITED
// nsIClipboard
NS_IMETHOD SetData(nsITransferable* aTransferable, nsIClipboardOwner* anOwner,
int32_t aWhichClipboard) override;
NS_IMETHOD HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard,
bool* _retval) override;
NS_IMETHOD SupportsFindClipboard(bool* _retval) override;
NS_IMETHOD EmptyClipboard(int32_t aWhichClipboard) override;
// On macOS, cache the transferable of the current selection (chrome/content)
// in the parent process. This is needed for the services menu which
// requires synchronous access to the current selection.
static mozilla::StaticRefPtr<nsITransferable> sSelectionCache;
// Helper methods, used also by nsDragService
static NSDictionary* PasteboardDictFromTransferable(nsITransferable* aTransferable);
// aPasteboardType is being retained and needs to be released by the caller.
static bool IsStringType(const nsCString& aMIMEType, NSString** aPasteboardType);
static bool IsImageType(const nsACString& aMIMEType);
static NSString* WrapHtmlForSystemPasteboard(NSString* aString);
static nsresult TransferableFromPasteboard(nsITransferable* aTransferable, NSPasteboard* pboard);
protected:
// impelement the native clipboard behavior
NS_IMETHOD SetNativeClipboardData(int32_t aWhichClipboard) override;
NS_IMETHOD GetNativeClipboardData(nsITransferable* aTransferable,
int32_t aWhichClipboard) override;
void ClearSelectionCache();
void SetSelectionCache(nsITransferable* aTransferable);
private:
virtual ~nsClipboard();
static mozilla::Maybe<uint32_t> FindIndexOfImageFlavor(const nsTArray<nsCString>& aMIMETypes);
int32_t mCachedClipboard;
int32_t mChangeCount; // Set to the native change count after any modification of the clipboard.
};
#endif // nsClipboard_h_
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