guacamole-spice-protocol/src/common/guac_clipboard.h
2014-04-09 22:08:31 -07:00

108 lines
3.2 KiB
C

/*
* Copyright (C) 2014 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef __GUAC_CLIPBOARD_H
#define __GUAC_CLIPBOARD_H
#include "config.h"
#include <guacamole/client.h>
/**
* The maximum number of bytes to send in an individual blob when
* transmitting the clipboard contents to a connected client.
*/
#define GUAC_COMMON_CLIPBOARD_BLOCK_SIZE 4096
/**
* Generic clipboard structure.
*/
typedef struct guac_common_clipboard {
/**
* The mimetype of the contained clipboard data.
*/
char mimetype[256];
/**
* Arbitrary clipboard data.
*/
char* buffer;
/**
* The number of bytes currently stored in the clipboard buffer.
*/
int length;
/**
* The total number of bytes available in the clipboard buffer.
*/
int available;
} guac_common_clipboard;
/**
* Creates a new clipboard having the given initial size.
*
* @param size The maximum number of bytes to allow within the clipboard.
* @return A newly-allocated clipboard.
*/
guac_common_clipboard* guac_common_clipboard_alloc(int size);
/**
* Frees the given clipboard.
*
* @param clipboard The clipboard to free.
*/
void guac_common_clipboard_free(guac_common_clipboard* clipboard);
/**
* Sends the contents of the clipboard along the given client, splitting
* the contents as necessary.
*
* @param clipboard The clipboard whose contents should be sent.
* @param client The client to send the clipboard contents on.
*/
void guac_common_clipboard_send(guac_common_clipboard* clipboard, guac_client* client);
/**
* Clears the clipboard contents and assigns a new mimetype for future data.
*
* @param clipboard The clipboard to reset.
* @param mimetype The mimetype of future data.
*/
void guac_common_clipboard_reset(guac_common_clipboard* clipboard, const char* mimetype);
/**
* Appends the given data to the current clipboard contents. The data must
* match the mimetype chosen for the clipboard data by
* guac_common_clipboard_reset().
*
* @param clipboard The clipboard to append data to.
* @param data The data to append.
* @param length The number of bytes to append from the data given.
*/
void guac_common_clipboard_append(guac_common_clipboard* clipboard, const char* data, int length);
#endif