From ac70617a05b32f53f070e577ec0a3b49d23f21e2 Mon Sep 17 00:00:00 2001
From: Barbara Miller <galgeek@me.com>
Date: Wed, 12 Jul 2017 20:00:02 -0700
Subject: [PATCH] add limits

---
 brozzler/behaviors.yaml                   |  9 +++----
 brozzler/js-templates/umbraBehavior.js.j2 | 30 ++++++++++++++++++-----
 2 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/brozzler/behaviors.yaml b/brozzler/behaviors.yaml
index 3bfa3bd..892fd31 100644
--- a/brozzler/behaviors.yaml
+++ b/brozzler/behaviors.yaml
@@ -38,14 +38,13 @@
   behavior_js_template: instagram.js
   request_idle_timeout_sec: 10
 -
-  url_regex: '^https?://(?:www\.)?huffingtonpost\.com/.*$'
+  url_regex: '^https?://(?:www\.)?pm\.gc\.ca/.*$'
   behavior_js_template: umbraBehavior.js.j2
   default_parameters:
     actions:
-      - selector: .slideshow
-        do: click
-      - selector: .slideshow-overlay__container__left__nav__next
-        do: click
+      - selector: li.pager__item a
+        limit: 4
+      - selector: div.teaser
 -
   url_regex: '^https?://(?:www\.)?huffingtonpost\.com/.*$'
   behavior_js_template: huffpostslides.js
diff --git a/brozzler/js-templates/umbraBehavior.js.j2 b/brozzler/js-templates/umbraBehavior.js.j2
index cfe39c8..d4e1320 100644
--- a/brozzler/js-templates/umbraBehavior.js.j2
+++ b/brozzler/js-templates/umbraBehavior.js.j2
@@ -22,18 +22,23 @@ var umbraBehavior = {
     alreadyDone : [],
     idleSince : null,
     intervalId : null,
+    actions : {{actions|json}},
 
     intervalFunc: function() {
         var didSomething = false;
         var somethingLeftBelow = false;
         var somethingLeftAbove = false;
-
-        var actions = {{actions|json}};
-        var actionsLength = actions.length;
+        var actionsLength = this.actions.length;
 
         for (var k = 0; k < actionsLength; k++) {
-            var selector = actions[k].selector;
-            var action = actions[k].do;
+            var selector = this.actions[k].selector;
+            var action = this.actions[k].do ? this.actions[k].do : 'click';
+            if (this.actions[k].limit && this.actions[k].alreadyDone && this.actions[k].alreadyDone.length >= this.actions[k].limit) {
+                continue;
+            }
+            if (this.actions[k].limit && !(this.actions[k].alreadyDone)) {
+                this.actions[k].alreadyDone = [];
+            }
 
             var iframes = document.querySelectorAll("iframe");
             var documents = Array(iframes.length + 1);
@@ -47,20 +52,33 @@ var umbraBehavior = {
             documentsLength = documents.length;
             for (var j = 0; j < documentsLength; j++) {
 
+                if (this.actions[k].limit && this.actions[k].alreadyDone && this.actions[k].alreadyDone.length >= this.actions[k].limit) {
+                    break;
+                }
                 var doTargets = documents[j].querySelectorAll(selector);
+                if (doTargets == []) {
+                    continue;
+                }
 
                 doTargetsLength = doTargets.length;
                 for ( var i = 0; i < doTargetsLength; i++) {
+                    if (this.actions[k].limit && this.actions[k].alreadyDone && this.actions[k].alreadyDone.length >= this.actions[k].limit) {
+                        break;
+                    }
                     if (this.alreadyDone.indexOf(doTargets[i]) > -1) {
                         continue;
                     }
                     if (!this.isVisible(doTargets[i])) {
                         continue;
                     }
+
                     var where = this.aboveBelowOrOnScreen(doTargets[i]);
                     if (where == 0) {
                         this.doTarget(doTargets[i], action);
                         didSomething = true;
+                        if (this.actions[k].alreadyDone) {
+                            this.actions[k].alreadyDone.push(doTargets[i]);
+                        }
                     } else if (where > 0) {
                         somethingLeftBelow = true;
                     } else if (where < 0) {
@@ -90,7 +108,7 @@ var umbraBehavior = {
                 }
             }
 
-            if (!idleSince) {
+            if (!this.idleSince) {
                 this.idleSince = Date.now();
             }
         }