Bug 1309194: Implement summary info in Net Panel Toolbar; Bug 1317205: CSS improvement for summary button

Required for: https://github.com/MoonchildProductions/moebius/pull/93

devtools/client/netmonitor/requests-menu-view.js

@@ -19,7 +19,6 @@ const {setImageTooltip, getImageDimensions} =
 const {Heritage, WidgetMethods, setNamedTimeout} =
   require("devtools/client/shared/widgets/view-helpers");
 const {CurlUtils} = require("devtools/client/shared/curl");
-const {PluralForm} = require("devtools/shared/plural-form");
 const {Filters, isFreetextMatch} = require("./filter-predicates");
 const {Sorters} = require("./sort-predicates");
 const {L10N, WEBCONSOLE_L10N} = require("./l10n");
@@ -90,10 +89,11 @@ function storeWatcher(initialValue, reduceValue, onChange) {
   let currentValue = initialValue;
 
   return () => {
+    const oldValue = currentValue;
     const newValue = reduceValue(currentValue);
-    if (newValue !== currentValue) {
-      onChange(newValue, currentValue);
+    if (newValue !== oldValue) {
       currentValue = newValue;
+      onChange(newValue, oldValue);
     }
   };
 }
@@ -129,8 +129,6 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
     let widgetParentEl = $("#requests-menu-contents");
     this.widget = new SideMenuWidget(widgetParentEl);
     this._splitter = $("#network-inspector-view-splitter");
-    this._summary = $("#requests-menu-network-summary-button");
-    this._summary.setAttribute("label", L10N.getStr("networkMenu.empty"));
 
     // Create a tooltip for the newly appended network request item.
     this.tooltip = new HTMLTooltip(NetMonitorController._toolbox.doc, { type: "arrow" });
@@ -211,13 +209,10 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
     if (NetMonitorController.supportsPerfStats) {
       $("#requests-menu-perf-notice-button").addEventListener("command",
         this._onContextPerfCommand, false);
-      $("#requests-menu-network-summary-button").addEventListener("command",
-        this._onContextPerfCommand, false);
       $("#network-statistics-back-button").addEventListener("command",
         this._onContextPerfCommand, false);
     } else {
       $("#notice-perf-message").hidden = true;
-      $("#requests-menu-network-summary-button").hidden = true;
     }
 
     if (!NetMonitorController.supportsTransferredResponseSize) {
@@ -257,8 +252,6 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
       this._onReloadCommand, false);
     $("#requests-menu-perf-notice-button").removeEventListener("command",
       this._onContextPerfCommand, false);
-    $("#requests-menu-network-summary-button").removeEventListener("command",
-      this._onContextPerfCommand, false);
     $("#network-statistics-back-button").removeEventListener("command",
       this._onContextPerfCommand, false);
 
@@ -422,7 +415,7 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
    */
   reFilterRequests: function () {
     this.filterContents(this._filterPredicate);
-    this.refreshSummary();
+    this.updateRequests();
     this.refreshZebra();
   },
 
@@ -541,7 +534,7 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
         break;
     }
 
-    this.refreshSummary();
+    this.updateRequests();
     this.refreshZebra();
   },
 
@@ -552,41 +545,17 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
     NetMonitorController.NetworkEventsHandler.clearMarkers();
     NetMonitorView.Sidebar.toggle(false);
 
-    this.store.dispatch(Actions.disableToggleButton(true));
     $("#requests-menu-empty-notice").hidden = false;
 
     this.empty();
-    this.refreshSummary();
+    this.updateRequests();
   },
 
   /**
-   * Refreshes the status displayed in this container's footer, providing
-   * concise information about all requests.
+   * Update store request itmes and trigger related UI update
    */
-  refreshSummary: function () {
-    let visibleItems = this.visibleItems;
-    let visibleRequestsCount = visibleItems.length;
-    if (!visibleRequestsCount) {
-      this._summary.setAttribute("label", L10N.getStr("networkMenu.empty"));
-      return;
-    }
-
-    let totalBytes = this._getTotalBytesOfRequests(visibleItems);
-    let totalMillis =
-      this._getNewestRequest(visibleItems).attachment.endedMillis -
-      this._getOldestRequest(visibleItems).attachment.startedMillis;
-
-    // https://developer.mozilla.org/en-US/docs/Localization_and_Plurals
-    let str = PluralForm.get(visibleRequestsCount,
-      L10N.getStr("networkMenu.summary"));
-
-    this._summary.setAttribute("label", str
-      .replace("#1", visibleRequestsCount)
-      .replace("#2", L10N.numberWithDecimals((totalBytes || 0) / 1024,
-        CONTENT_SIZE_DECIMALS))
-      .replace("#3", L10N.numberWithDecimals((totalMillis || 0) / 1000,
-        REQUEST_TIME_DECIMALS))
-    );
+  updateRequests: function () {
+    this.store.dispatch(Actions.updateRequests(this.visibleItems));
   },
 
   /**
@@ -865,7 +834,6 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
     this._updateQueue = [];
     this._addQueue = [];
 
-    this.store.dispatch(Actions.disableToggleButton(!this.itemCount));
     $("#requests-menu-empty-notice").hidden = !!this.itemCount;
 
     // Make sure all the requests are sorted and filtered.
@@ -875,7 +843,7 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
     // so this doesn't happen once per network event update).
     this.sortContents();
     this.filterContents();
-    this.refreshSummary();
+    this.updateRequests();
     this.refreshZebra();
 
     // Rescale all the waterfalls so that everything is visible at once.
@@ -1558,59 +1526,6 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
     }
   },
 
-  /**
-   * Gets the total number of bytes representing the cumulated content size of
-   * a set of requests. Returns 0 for an empty set.
-   *
-   * @param array itemsArray
-   * @return number
-   */
-  _getTotalBytesOfRequests: function (itemsArray) {
-    if (!itemsArray.length) {
-      return 0;
-    }
-
-    let result = 0;
-    itemsArray.forEach(item => {
-      let size = item.attachment.contentSize;
-      result += (typeof size == "number") ? size : 0;
-    });
-
-    return result;
-  },
-
-  /**
-   * Gets the oldest (first performed) request in a set. Returns null for an
-   * empty set.
-   *
-   * @param array itemsArray
-   * @return object
-   */
-  _getOldestRequest: function (itemsArray) {
-    if (!itemsArray.length) {
-      return null;
-    }
-    return itemsArray.reduce((prev, curr) =>
-      prev.attachment.startedMillis < curr.attachment.startedMillis ?
-        prev : curr);
-  },
-
-  /**
-   * Gets the newest (latest performed) request in a set. Returns null for an
-   * empty set.
-   *
-   * @param array itemsArray
-   * @return object
-   */
-  _getNewestRequest: function (itemsArray) {
-    if (!itemsArray.length) {
-      return null;
-    }
-    return itemsArray.reduce((prev, curr) =>
-      prev.attachment.startedMillis > curr.attachment.startedMillis ?
-        prev : curr);
-  },
-
   /**
    * Gets the available waterfall width in this container.
    * @return number