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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/. */
const {Weave} = ChromeUtils.import("resource://services-sync/main.js");
const {DownloadUtils} = ChromeUtils.import("resource://gre/modules/DownloadUtils.jsm");
var gSyncQuota = {
init: function init() {
this.bundle = document.getElementById("quotaStrings");
let caption = document.getElementById("treeCaption");
caption.textContent = this.bundle.getString("quota.treeCaption.label");
gUsageTreeView.init();
this.tree = document.getElementById("usageTree");
this.tree.view = gUsageTreeView;
this.loadData();
},
loadData: function loadData() {
this._usage_req = Weave.Service.getStorageInfo(Weave.INFO_COLLECTION_USAGE,
function (error, usage) {
delete gSyncQuota._usage_req;
// displayUsageData handles null values, so no need to check 'error'.
gUsageTreeView.displayUsageData(usage);
});
let usageLabel = document.getElementById("usageLabel");
let bundle = this.bundle;
this._quota_req = Weave.Service.getStorageInfo(Weave.INFO_QUOTA,
function (error, quota) {
delete gSyncQuota._quota_req;
if (error) {
usageLabel.value = bundle.getString("quota.usageError.label");
return;
}
let used = gSyncQuota.convertKB(quota[0]);
if (!quota[1]) {
// No quota on the server.
usageLabel.value = bundle.getFormattedString(
"quota.usageNoQuota.label", used);
return;
}
let percent = Math.round(100 * quota[0] / quota[1]);
let total = gSyncQuota.convertKB(quota[1]);
usageLabel.value = bundle.getFormattedString(
"quota.usagePercentage.label", [percent].concat(used).concat(total));
});
},
uninit: function uninit() {
if (this._usage_req)
this._usage_req.abort();
if (this._quota_req)
this._quota_req.abort();
},
onAccept: function onAccept() {
let engines = gUsageTreeView.getEnginesToDisable();
for (let engine of engines) {
Weave.Service.engineManager.get(engine).enabled = false;
}
if (engines.length) {
// The 'Weave' object will disappear once the window closes.
let Service = Weave.Service;
Weave.Utils.nextTick(function() { Service.sync(); });
}
return true;
},
convertKB: function convertKB(value) {
return DownloadUtils.convertByteUnits(value * 1024);
}
};
var gUsageTreeView = {
_ignored: {keys: true,
meta: true,
clients: true},
/*
* Internal data structures underlaying the tree.
*/
_collections: [],
_byname: {},
init: function init() {
let retrievingLabel = gSyncQuota.bundle.getString("quota.retrieving.label");
for (let engine of Weave.Service.engineManager.getEnabled()) {
if (this._ignored[engine.name])
continue;
// Some engines use the same pref, which means they can only be turned on
// and off together. We need to combine them here as well.
let existing = this._byname[engine.prefName];
if (existing) {
existing.engines.push(engine.name);
continue;
}
let obj = {name: engine.prefName,
title: this._collectionTitle(engine),
engines: [engine.name],
enabled: true,
sizeLabel: retrievingLabel};
this._collections.push(obj);
this._byname[engine.prefName] = obj;
}
},
_collectionTitle: function _collectionTitle(engine) {
try {
return gSyncQuota.bundle.getString(
"collection." + engine.prefName + ".label");
} catch (ex) {
return engine.Name;
}
},
/*
* Process the quota information as returned by info/collection_usage.
*/
displayUsageData: function displayUsageData(data) {
for (let coll of this._collections) {
coll.size = 0;
// If we couldn't retrieve any data, just blank out the label.
if (!data) {
coll.sizeLabel = "";
continue;
}
for (let engineName of coll.engines)
coll.size += data[engineName] || 0;
let sizeLabel = "";
sizeLabel = gSyncQuota.bundle.getFormattedString(
"quota.sizeValueUnit.label", gSyncQuota.convertKB(coll.size));
coll.sizeLabel = sizeLabel;
}
let sizeColumn = this.treeBox.columns.getNamedColumn("size");
this.treeBox.invalidateColumn(sizeColumn);
},
/*
* Handle click events on the tree.
*/
onTreeClick: function onTreeClick(event) {
if (event.button == 2)
return;
let cell = this.treeBox.getCellAt(event.clientX, event.clientY);
if (cell.col && cell.col.id == "enabled")
this.toggle(cell.row);
},
/*
* Toggle enabled state of an engine.
*/
toggle: function toggle(row) {
// Update the tree
let collection = this._collections[row];
collection.enabled = !collection.enabled;
this.treeBox.invalidateRow(row);
// Display which ones will be removed
let freeup = 0;
let toremove = [];
for (let collection of this._collections) {
if (collection.enabled)
continue;
toremove.push(collection.name);
freeup += collection.size;
}
let caption = document.getElementById("treeCaption");
if (!toremove.length) {
caption.className = "";
caption.textContent = gSyncQuota.bundle.getString("quota.treeCaption.label");
return;
}
toremove = toremove.map(coll => this._byname[coll].title);
toremove = toremove.join(gSyncQuota.bundle.getString("quota.list.separator"));
caption.textContent = gSyncQuota.bundle.getFormattedString(
"quota.removal.label", [toremove]);
if (freeup)
caption.textContent += gSyncQuota.bundle.getFormattedString(
"quota.freeup.label", gSyncQuota.convertKB(freeup));
caption.className = "captionWarning";
},
/*
* Return a list of engines (or rather their pref names) that should be
* disabled.
*/
getEnginesToDisable: function getEnginesToDisable() {
return this._collections.filter(coll => !coll.enabled).map(coll => coll.name);
},
// nsITreeView
get rowCount() {
return this._collections.length;
},
getRowProperties: function(index) { return ""; },
getCellProperties: function(row, col) { return ""; },
getColumnProperties: function(col) { return ""; },
isContainer: function(index) { return false; },
isContainerOpen: function(index) { return false; },
isContainerEmpty: function(index) { return false; },
isSeparator: function(index) { return false; },
isSorted: function() { return false; },
canDrop: function(index, orientation, dataTransfer) { return false; },
drop: function(row, orientation, dataTransfer) {},
getParentIndex: function(rowIndex) {},
hasNextSibling: function(rowIndex, afterIndex) { return false; },
getLevel: function(index) { return 0; },
getImageSrc: function(row, col) {},
getCellValue: function(row, col) {
return this._collections[row].enabled;
},
getCellText: function getCellText(row, col) {
let collection = this._collections[row];
switch (col.id) {
case "collection":
return collection.title;
case "size":
return collection.sizeLabel;
default:
return "";
}
},
setTree: function setTree(tree) {
this.treeBox = tree;
},
toggleOpenState: function(index) {},
cycleHeader: function(col) {},
selectionChanged: function() {},
cycleCell: function(row, col) {},
isEditable: function(row, col) { return false; },
isSelectable: function (row, col) { return false; },
setCellValue: function(row, col, value) {},
setCellText: function(row, col, value) {},
};
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