зеркало из https://github.com/mozilla/gecko-dev.git
85 строки
2.9 KiB
C++
85 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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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 "nsIClipboard.h"
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#include "nsIObserver.h"
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#include "nsIBinaryOutputStream.h"
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#include <gtk/gtk.h>
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class nsRetrievalContext {
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public:
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// Get actual clipboard content (GetClipboardData/GetClipboardText)
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// which has to be released by ReleaseClipboardData().
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virtual const char* GetClipboardData(const char* aMimeType,
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int32_t aWhichClipboard,
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uint32_t* aContentLength) = 0;
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virtual const char* GetClipboardText(int32_t aWhichClipboard) = 0;
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virtual void ReleaseClipboardData(const char* aClipboardData) = 0;
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// Get data mime types which can be obtained from clipboard.
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// The returned array has to be released by g_free().
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virtual GdkAtom* GetTargets(int32_t aWhichClipboard,
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int* aTargetNum) = 0;
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virtual bool HasSelectionSupport(void) = 0;
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virtual ~nsRetrievalContext() {};
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};
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class nsClipboard : public nsIClipboard,
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public nsIObserver
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{
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public:
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nsClipboard();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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NS_DECL_NSICLIPBOARD
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// Make sure we are initialized, called from the factory
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// constructor
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nsresult Init (void);
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// Someone requested the selection
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void SelectionGetEvent (GtkClipboard *aGtkClipboard,
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GtkSelectionData *aSelectionData);
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void SelectionClearEvent (GtkClipboard *aGtkClipboard);
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private:
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virtual ~nsClipboard();
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// Save global clipboard content to gtk
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nsresult Store (void);
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// Get our hands on the correct transferable, given a specific
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// clipboard
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nsITransferable *GetTransferable (int32_t aWhichClipboard);
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// Send clipboard data by nsITransferable
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void SetTransferableData(nsITransferable* aTransferable,
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nsCString& aFlavor,
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const char* aClipboardData,
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uint32_t aClipboardDataLength);
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// Hang on to our owners and transferables so we can transfer data
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// when asked.
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nsCOMPtr<nsIClipboardOwner> mSelectionOwner;
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nsCOMPtr<nsIClipboardOwner> mGlobalOwner;
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nsCOMPtr<nsITransferable> mSelectionTransferable;
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nsCOMPtr<nsITransferable> mGlobalTransferable;
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nsAutoPtr<nsRetrievalContext> mContext;
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};
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extern const int kClipboardTimeout;
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GdkAtom GetSelectionAtom(int32_t aWhichClipboard);
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#endif /* __nsClipboard_h_ */
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