Revision control
Copy as Markdown
Other Tools
/* 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
/**
* Returns the message belonging to the specified row index. If requested, all
* collapsed messages are returned as well, if any.
*
* @param {DBViewWrapper} dbView
* @param {integer} idx - the row index of the view
* @param {boolean} includeCollapsedThreads - wether to include messages in
* collapsed threads as well
*
* @returns {nsIMsgDBHdr[]} The message(s) belonging to the specified row index.
*/
export function getMsgHdrsForIndex(dbView, idx, includeCollapsedThreads) {
if (
includeCollapsedThreads &&
dbView.isContainer(idx) &&
!dbView.isContainerOpen(idx)
) {
const thread = dbView.getThreadContainingIndex(idx);
const children = [];
for (let i = 0; i < thread.numChildren; i++) {
children.push(thread.getChildHdrAt(i));
}
return children;
}
return [dbView.getMsgHdrAt(idx)];
}
/**
* Returns the actual selected messages. This is different from the menus API,
* which returns the selection with respect to the context action, which could be
* just the message being clicked, if that message is *not* part of the actually
* selected messages.
*
* @param {Window} about3PaneWindow
* @returns {nsIMsgDBHdr[]} The selected messages.
*/
export function getActualSelectedMessages(about3PaneWindow) {
const dbView = about3PaneWindow?.gDBView;
if (!dbView) {
return [];
}
// Get the indicies which are considered to be selected by the UI, which
// could be the ones we are *not* interested in, if a context menu is
// opened and the UI is supressing the selection.
const selectedIndices = about3PaneWindow.threadTree.selectedIndices;
if (!about3PaneWindow.threadTree._selection._selectEventsSuppressed) {
return selectedIndices.flatMap(idx =>
getMsgHdrsForIndex(dbView, idx, true)
);
}
// Get the indicies, which are considered to be invalid by the UI, which
// includes *all* selected indices, if the UI is supressing the selection.
// Filter out the indicies we are not interested in.
const invalidIndices = [
...about3PaneWindow.threadTree._selection._invalidIndices,
];
return invalidIndices
.filter(idx => !selectedIndices.includes(idx))
.flatMap(idx => getMsgHdrsForIndex(dbView, idx, true));
}
/**
* Returns the actual selected folders. This is different from the menus API,
* which returns the selection with respect to the context action, which could be
* just the folder being clicked, if that folder is *not* part of the actually
* selected folder.
*
* @param {Window} about3PaneWindow
* @returns {nsIMsgFolder[]} The selected folders.
*/
export function getActualSelectedFolders(about3PaneWindow) {
return [...about3PaneWindow.folderTree.selection.values()].map(row =>
MailServices.folderLookup.getFolderForURL(row.uri)
);
}