gecko-dev/widget/gtk/nsClipboard.h
Martin Stransky b3c7669367 Bug 1417874 - Split clipboard implementation to shared (nsClipboard) and backend specific (nsClipboardX11) parts, r=jhorak
MozReview-Commit-ID: 5IebGayJl1

--HG--
extra : rebase_source : 7009a0f5a668895930280fc4426baa22abdc499c
2017-11-16 14:00:00 +01:00

76 lines
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* 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 "nsIClipboard.h"
#include "nsIObserver.h"
#include "nsIBinaryOutputStream.h"
#include <gtk/gtk.h>
// Default Gtk MIME for text
#define GTK_DEFAULT_MIME_TEXT "UTF8_STRING"
class nsRetrievalContext {
public:
virtual guchar* WaitForClipboardContext(const char* aMimeType,
int32_t aWhichClipboard,
uint32_t* aContentLength) = 0;
virtual GdkAtom* GetTargets(int32_t aWhichClipboard,
int* aTargetNum) = 0;
nsRetrievalContext() {};
virtual ~nsRetrievalContext() {};
protected:
// Idle timeout for receiving selection and property notify events (microsec)
static const int kClipboardTimeout;
};
class nsClipboard : public nsIClipboard,
public nsIObserver
{
public:
nsClipboard();
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
NS_DECL_NSICLIPBOARD
// Make sure we are initialized, called from the factory
// constructor
nsresult Init (void);
// Someone requested the selection
void SelectionGetEvent (GtkClipboard *aGtkClipboard,
GtkSelectionData *aSelectionData);
void SelectionClearEvent (GtkClipboard *aGtkClipboard);
private:
virtual ~nsClipboard();
// Save global clipboard content to gtk
nsresult Store (void);
// Get our hands on the correct transferable, given a specific
// clipboard
nsITransferable *GetTransferable (int32_t aWhichClipboard);
// Hang on to our owners and transferables so we can transfer data
// when asked.
nsCOMPtr<nsIClipboardOwner> mSelectionOwner;
nsCOMPtr<nsIClipboardOwner> mGlobalOwner;
nsCOMPtr<nsITransferable> mSelectionTransferable;
nsCOMPtr<nsITransferable> mGlobalTransferable;
nsAutoPtr<nsRetrievalContext> mContext;
};
GdkAtom GetSelectionAtom(int32_t aWhichClipboard);
#endif /* __nsClipboard_h_ */