1 files changed, 247 insertions, 0 deletions
diff --git a/webbrowser/components/sync/quota.js b/webbrowser/components/sync/quota.js
new file mode 100644
index 0000000..b416a44
--- /dev/null
+++ b/webbrowser/components/sync/quota.js
@@ -0,0 +1,247 @@
+/* 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 Ci = Components.interfaces;
+const Cc = Components.classes;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import("resource://services-sync/main.js");
+Cu.import("resource://gre/modules/DownloadUtils.jsm");
+
+var gSyncQuota = {
+
+  init: function init() {
+    this.bundle = document.getElementById("quotaStrings");
+    let caption = document.getElementById("treeCaption");
+    caption.firstChild.nodeValue = 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));
+    });
+  },
+
+  onCancel: function onCancel() {
+    if (this._usage_req) {
+      this._usage_req.abort();
+    }
+    if (this._quota_req) {
+      this._quota_req.abort();
+    }
+    return true;
+  },
+
+  onAccept: function onAccept() {
+    let engines = gUsageTreeView.getEnginesToDisable();
+    for each (let engine in 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 this.onCancel();
+  },
+
+  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 each (let engine in 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 each (let coll in this._collections) {
+      coll.size = 0;
+      // If we couldn't retrieve any data, just blank out the label.
+      if (!data) {
+        coll.sizeLabel = "";
+        continue;
+      }
+
+      for each (let engineName in 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);
+  },
+
+  /*
+   * Return a list of engines (or rather their pref names) that should be
+   * disabled.
+   */
+  getEnginesToDisable: function getEnginesToDisable() {
+    // Tycho: return [coll.name for each (coll in this._collections) if (!coll.enabled)];
+    let engines = [];
+    for each (let coll in this._collections) {
+      if (!coll.enabled) {
+        engines.push(coll.name);
+      }
+    }
+    return engines;
+  },
+
+  // 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) {},
+  performAction: function(action) {},
+  performActionOnRow: function(action, row) {},
+  performActionOnCell: function(action, row, col) {}
+
+};