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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {
SELECT_REQUEST,
} = require("resource://devtools/client/netmonitor/src/constants.js");
const {
getDisplayedRequests,
getSortedRequests,
} = require("resource://devtools/client/netmonitor/src/selectors/index.js");
const PAGE_SIZE_ITEM_COUNT_RATIO = 5;
/**
* Select request with a given id.
*/
function selectRequest(id, request) {
return {
type: SELECT_REQUEST,
id,
request,
};
}
/**
* Select request with a given index (sorted order)
*/
function selectRequestByIndex(index) {
return ({ dispatch, getState }) => {
const requests = getSortedRequests(getState());
let itemId;
if (index >= 0 && index < requests.length) {
itemId = requests[index].id;
}
dispatch(selectRequest(itemId));
};
}
/**
* Move the selection up to down according to the "delta" parameter. Possible values:
* - Number: positive or negative, move up or down by specified distance
* - "PAGE_UP" | "PAGE_DOWN" (String): page up or page down
* - +Infinity | -Infinity: move to the start or end of the list
*/
function selectDelta(delta) {
return ({ dispatch, getState }) => {
const state = getState();
const requests = getDisplayedRequests(state);
if (!requests.length) {
return;
}
const selIndex = requests.findIndex(
r => r.id === state.requests.selectedId
);
if (delta === "PAGE_DOWN") {
delta = Math.ceil(requests.length / PAGE_SIZE_ITEM_COUNT_RATIO);
} else if (delta === "PAGE_UP") {
delta = -Math.ceil(requests.length / PAGE_SIZE_ITEM_COUNT_RATIO);
}
const newIndex = Math.min(
Math.max(0, selIndex + delta),
requests.length - 1
);
const newItem = requests[newIndex];
dispatch(selectRequest(newItem.id, newItem));
};
}
module.exports = {
selectRequest,
selectRequestByIndex,
selectDelta,
};
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