mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-26 10:10:31 +00:00
123 lines
4.7 KiB
Plaintext
123 lines
4.7 KiB
Plaintext
/* -*- Mode: IDL; 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/. */
|
|
|
|
#include "nsISupports.idl"
|
|
#include "nsISupportsArray.idl"
|
|
#include "nsIDragSession.idl"
|
|
#include "nsIScriptableRegion.idl"
|
|
|
|
|
|
interface nsIDOMNode;
|
|
interface nsIDOMDragEvent;
|
|
interface nsIDOMDataTransfer;
|
|
interface nsISelection;
|
|
|
|
[scriptable, uuid(82B58ADA-F490-4C3D-B737-1057C4F1D052), builtinclass]
|
|
interface nsIDragService : nsISupports
|
|
{
|
|
const long DRAGDROP_ACTION_NONE = 0;
|
|
const long DRAGDROP_ACTION_COPY = 1;
|
|
const long DRAGDROP_ACTION_MOVE = 2;
|
|
const long DRAGDROP_ACTION_LINK = 4;
|
|
const long DRAGDROP_ACTION_UNINITIALIZED = 64;
|
|
|
|
/**
|
|
* Starts a modal drag session with an array of transaferables
|
|
*
|
|
* @param aTransferables - an array of transferables to be dragged
|
|
* @param aRegion - a region containing rectangles for cursor feedback,
|
|
* in window coordinates.
|
|
* @param aActionType - specified which of copy/move/link are allowed
|
|
*/
|
|
void invokeDragSession ( in nsIDOMNode aDOMNode, in nsISupportsArray aTransferables,
|
|
in nsIScriptableRegion aRegion, in unsigned long aActionType );
|
|
|
|
/**
|
|
* Starts a modal drag session using an image. The first four arguments are
|
|
* the same as invokeDragSession.
|
|
*
|
|
* A custom image may be specified using the aImage argument. If this is
|
|
* supplied, the aImageX and aImageY arguments specify the offset within
|
|
* the image where the cursor would be positioned. That is, when the image
|
|
* is drawn, it is offset up and left the amount so that the cursor appears
|
|
* at that location within the image.
|
|
*
|
|
* If aImage is null, aImageX and aImageY are not used and the image is instead
|
|
* determined from the source node aDOMNode, and the offset calculated so that
|
|
* the initial location for the image appears in the same screen position as
|
|
* where the element is located. The node must be within a document.
|
|
*
|
|
* Currently, supported images are all DOM nodes. If this is an HTML <image> or
|
|
* <canvas>, the drag image is taken from the image data. If the element is in
|
|
* a document, it will be rendered at its displayed size, othewise, it will be
|
|
* rendered at its real size. For other types of elements, the element is
|
|
* rendered into an offscreen buffer in the same manner as it is currently
|
|
* displayed. The document selection is hidden while drawing.
|
|
*
|
|
* The aDragEvent must be supplied as the current screen coordinates of the
|
|
* event are needed to calculate the image location.
|
|
*/
|
|
void invokeDragSessionWithImage(in nsIDOMNode aDOMNode,
|
|
in nsISupportsArray aTransferableArray,
|
|
in nsIScriptableRegion aRegion,
|
|
in unsigned long aActionType,
|
|
in nsIDOMNode aImage,
|
|
in long aImageX,
|
|
in long aImageY,
|
|
in nsIDOMDragEvent aDragEvent,
|
|
in nsIDOMDataTransfer aDataTransfer);
|
|
|
|
/**
|
|
* Start a modal drag session using the selection as the drag image.
|
|
* The aDragEvent must be supplied as the current screen coordinates of the
|
|
* event are needed to calculate the image location.
|
|
*/
|
|
void invokeDragSessionWithSelection(in nsISelection aSelection,
|
|
in nsISupportsArray aTransferableArray,
|
|
in unsigned long aActionType,
|
|
in nsIDOMDragEvent aDragEvent,
|
|
in nsIDOMDataTransfer aDataTransfer);
|
|
|
|
/**
|
|
* Returns the current Drag Session
|
|
*/
|
|
nsIDragSession getCurrentSession ( ) ;
|
|
|
|
/**
|
|
* Tells the Drag Service to start a drag session. This is called when
|
|
* an external drag occurs
|
|
*/
|
|
void startDragSession ( ) ;
|
|
|
|
/**
|
|
* Tells the Drag Service to end a drag session. This is called when
|
|
* an external drag occurs
|
|
*
|
|
* If aDoneDrag is true, the drag has finished, otherwise the drag has
|
|
* just left the window.
|
|
*/
|
|
void endDragSession ( in boolean aDoneDrag ) ;
|
|
|
|
/**
|
|
* Fire a drag event at the source of the drag
|
|
*/
|
|
void fireDragEventAtSource ( in unsigned long aMsg );
|
|
|
|
/**
|
|
* Increase/decrease dragging suppress level by one.
|
|
* If level is greater than one, dragging is disabled.
|
|
*/
|
|
void suppress();
|
|
void unsuppress();
|
|
|
|
[noscript] void dragMoved(in long aX, in long aY);
|
|
};
|
|
|
|
|
|
%{ C++
|
|
|
|
%}
|