mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-07 05:15:09 +00:00
302fa305ad
--HG-- extra : rebase_source : 4af617fecf06512aed5882831e64e38d4e7e5e94
178 lines
4.7 KiB
Plaintext
178 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/.
|
|
*/
|
|
|
|
interface MozTreeView;
|
|
|
|
dictionary TreeCellInfo {
|
|
long row = 0;
|
|
TreeColumn? col = null;
|
|
DOMString childElt = "";
|
|
};
|
|
|
|
[HTMLConstructor, Func="IsChromeOrXBL"]
|
|
interface XULTreeElement : XULElement
|
|
{
|
|
/**
|
|
* Obtain the columns.
|
|
*/
|
|
readonly attribute TreeColumns? columns;
|
|
|
|
/**
|
|
* The view that backs the tree and that supplies it with its data.
|
|
* It is dynamically settable, either using a view attribute on the
|
|
* tree tag or by setting this attribute to a new value.
|
|
*/
|
|
[SetterThrows, NeedsCallerType]
|
|
attribute MozTreeView? view;
|
|
|
|
/**
|
|
* Whether or not we are currently focused.
|
|
*/
|
|
attribute boolean focused;
|
|
|
|
/**
|
|
* Obtain the treebody content node
|
|
*/
|
|
readonly attribute Element? treeBody;
|
|
|
|
/**
|
|
* Obtain the height of a row.
|
|
*/
|
|
readonly attribute long rowHeight;
|
|
|
|
/**
|
|
* Obtain the width of a row.
|
|
*/
|
|
readonly attribute long rowWidth;
|
|
|
|
/**
|
|
* Get the pixel position of the horizontal scrollbar.
|
|
*/
|
|
readonly attribute long horizontalPosition;
|
|
|
|
/**
|
|
* Get the index of the first visible row.
|
|
*/
|
|
long getFirstVisibleRow();
|
|
|
|
/**
|
|
* Get the index of the last visible row.
|
|
*/
|
|
long getLastVisibleRow();
|
|
|
|
/**
|
|
* Gets the number of possible visible rows.
|
|
*/
|
|
long getPageLength();
|
|
|
|
/**
|
|
* Ensures that a row at a given index is visible.
|
|
*/
|
|
void ensureRowIsVisible(long index);
|
|
|
|
/**
|
|
* Ensures that a given cell in the tree is visible.
|
|
*/
|
|
[Throws]
|
|
void ensureCellIsVisible(long row, TreeColumn? col);
|
|
|
|
/**
|
|
* Scrolls such that the row at index is at the top of the visible view.
|
|
*/
|
|
void scrollToRow(long index);
|
|
|
|
/**
|
|
* Scroll the tree up or down by numLines lines. Positive
|
|
* values move down in the tree. Prevents scrolling off the
|
|
* end of the tree.
|
|
*/
|
|
void scrollByLines(long numLines);
|
|
|
|
/**
|
|
* Scroll the tree up or down by numPages pages. A page
|
|
* is considered to be the amount displayed by the tree.
|
|
* Positive values move down in the tree. Prevents scrolling
|
|
* off the end of the tree.
|
|
*/
|
|
void scrollByPages(long numPages);
|
|
|
|
/**
|
|
* Invalidation methods for fine-grained painting control.
|
|
*/
|
|
void invalidate();
|
|
void invalidateColumn(TreeColumn? col);
|
|
void invalidateRow(long index);
|
|
void invalidateCell(long row, TreeColumn? col);
|
|
void invalidateRange(long startIndex, long endIndex);
|
|
|
|
/**
|
|
* A hit test that can tell you what row the mouse is over.
|
|
* returns -1 for invalid mouse coordinates.
|
|
*
|
|
* The coordinate system is the client coordinate system for the
|
|
* document this tree lives in, and the units are CSS pixels.
|
|
*/
|
|
long getRowAt(long x, long y);
|
|
|
|
/**
|
|
* A hit test that can tell you what cell the mouse is over.
|
|
* TreeCellInfo.row is the row index hit, returns -1 for invalid mouse
|
|
* coordinates. TreeCellInfo.col is the column hit.
|
|
* TreeCellInfo.childElt is the pseudoelement hit: this can have values of
|
|
* "cell", "twisty", "image", and "text".
|
|
*
|
|
* The coordinate system is the client coordinate system for the
|
|
* document this tree lives in, and the units are CSS pixels.
|
|
*/
|
|
[Throws]
|
|
TreeCellInfo getCellAt(long x, long y);
|
|
|
|
/**
|
|
* Find the coordinates of an element within a specific cell.
|
|
*/
|
|
[Throws]
|
|
DOMRect? getCoordsForCellItem(long row, TreeColumn col, DOMString element);
|
|
|
|
/**
|
|
* Determine if the text of a cell is being cropped or not.
|
|
*/
|
|
[Throws]
|
|
boolean isCellCropped(long row, TreeColumn? col);
|
|
|
|
/**
|
|
* The view is responsible for calling these notification methods when
|
|
* rows are added or removed. Index is the position at which the new
|
|
* rows were added or at which rows were removed. For
|
|
* non-contiguous additions/removals, this method should be called multiple times.
|
|
*/
|
|
void rowCountChanged(long index, long count);
|
|
|
|
/**
|
|
* Notify the tree that the view is about to perform a batch
|
|
* update, that is, add, remove or invalidate several rows at once.
|
|
* This must be followed by calling endUpdateBatch(), otherwise the tree
|
|
* will get out of sync.
|
|
*/
|
|
void beginUpdateBatch();
|
|
|
|
/**
|
|
* Notify the tree that the view has completed a batch update.
|
|
*/
|
|
void endUpdateBatch();
|
|
|
|
/**
|
|
* Called on a theme switch to flush out the tree's style and image caches.
|
|
*/
|
|
void clearStyleAndImageCaches();
|
|
|
|
/**
|
|
* Remove an image source from the image cache to allow its invalidation.
|
|
*/
|
|
[Throws]
|
|
void removeImageCacheEntry(long row, TreeColumn col);
|
|
};
|