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/* -*- Mode: IDL; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Interface for the Evolution components.
*
* Authors:
* Ettore Perazzoli <ettore@helixcode.com>
*
* Copyright (C) 2001 Ximian, Inc.
*/
#include <Bonobo.h>
module GNOME {
module Evolution {
module ShellComponentDnd {
typedef short Action;
const Action ACTION_DEFAULT = 0;
const Action ACTION_COPY = 1 << 1;
const Action ACTION_MOVE = 1 << 2;
const Action ACTION_LINK = 1 << 3;
const Action ACTION_ASK = 1 << 4;
const Action ACTION_ANY = ACTION_COPY | ACTION_MOVE | ACTION_LINK | ACTION_ASK;
typedef Action ActionSet; // For readability.
struct Data {
short format;
short target;
sequence <octet> bytes;
};
exception NoData {};
interface SourceFolder : Bonobo::Unknown {
struct Context {
string physical_uri;
string folder_type;
ActionSet possible_actions;
Action suggested_action;
};
/* The user started a drag from this object. If the component
receives this while still in the middle of an existing drag
operation, it should stop the existing drag operation and
start a new one. */
void beginDrag (in string physical_uri,
in string folder_type,
out ActionSet possible_actions,
out Action suggested_action);
/* User released the mouse button and dropped the object
somewhere, so we now want to get the data for the current
context. */
void getData (in Context source_context,
in Action action,
in string dnd_type,
out Data data)
raises (NoData);
/* The target has finished processing the data, so we can
delete it. */
void deleteData (in Context source_context);
/* The drag is over. This should also clean up the data if
there was a `getData()' but no `deleteData()' after it. */
void endDrag (in Context source_context);
};
interface DestinationFolder : Bonobo::Unknown {
struct Context {
string dnd_type;
ActionSet possible_actions;
Action suggested_action;
};
/* The user is moving a dragged object over our folder. This
will return %FALSE if the specified object cannot be
dropped; otherwise, it will return %TRUE and then set the
@default_action and @non_default_action we want to be
performed when the drop happens. */
boolean handleMotion (in Context destination_context,
out Action suggested_action);
/* Data is dropped. We are given the data for the dropped
object, and we are supposed to perform the operation
requested. */
boolean handleDrop (in Context destination_context,
in Action action,
in Data data);
};
};
};
};
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