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/* 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
/**
* Redux actions for the editor tabs
*/
import { removeDocument } from "../utils/editor/index";
import { selectSource } from "./sources/index";
import { getSelectedLocation, getSourcesForTabs } from "../selectors/index";
export function addTab(source, sourceActor) {
return {
type: "ADD_TAB",
source,
sourceActor,
};
}
export function moveTab(url, tabIndex) {
return {
type: "MOVE_TAB",
url,
tabIndex,
};
}
export function moveTabBySourceId(sourceId, tabIndex) {
return {
type: "MOVE_TAB_BY_SOURCE_ID",
sourceId,
tabIndex,
};
}
export function closeTab(source) {
return closeTabs([source]);
}
export function closeTabs(sources) {
return ({ dispatch, getState }) => {
if (!sources.length) {
return;
}
for (const source of sources) {
removeDocument(source.id);
}
// If we are removing the tabs for the selected location,
// we need to select another source
const newSourceToSelect = getNewSourceToSelect(getState(), sources);
dispatch({ type: "CLOSE_TABS", sources });
dispatch(selectSource(newSourceToSelect));
};
}
/**
* Compute the potential new source to select while closing tabs for a given set of sources.
*
* @param {Object} state
* Redux state object.
* @param {Array<Source>} closedTabsSources
* Ordered list of source object for which tabs should be closed.
* Should be a consecutive list of source matching the order of tabs reducer.
*/
function getNewSourceToSelect(state, closedTabsSources) {
const selectedLocation = getSelectedLocation(state);
// Do not try to select any source if none was selected before
if (!selectedLocation) {
return null;
}
// Keep selecting the same source if we aren't removing the currently selected source
if (!closedTabsSources.includes(selectedLocation.source)) {
return selectedLocation.source;
}
const tabsSources = getSourcesForTabs(state);
// Assume that `sources` is a consecutive list of tab's sources
// ordered in the same way as `tabsSources`.
const lastRemovedTabSource = closedTabsSources.at(-1);
const lastRemovedTabIndex = tabsSources.indexOf(lastRemovedTabSource);
if (lastRemovedTabIndex == -1) {
// This is unexpected, do not try to select any source.
return null;
}
// If there is some tabs after the last removed tab, select the first one.
if (lastRemovedTabIndex + 1 < tabsSources.length) {
return tabsSources[lastRemovedTabIndex + 1];
}
// If there is some tabs before the first removed tab, select the last one.
const firstRemovedTabIndex =
lastRemovedTabIndex - (closedTabsSources.length - 1);
if (firstRemovedTabIndex > 0) {
return tabsSources[firstRemovedTabIndex - 1];
}
// It looks like we removed all the tabs
return null;
}