WIP

changedetectionio/__init__.py

@@ -1119,12 +1119,11 @@ def changedetection_app(config=None, datastore_o=None):
         with sync_playwright() as p:
             browser = p.chromium.connect_over_cdp("ws://127.0.0.1:3000")
             page = browser.new_page()
-            page.set_viewport_size({"width": 1220, "height": 800})
             page.goto(watch['url'])
-            #            time.sleep(3)
+            #time.sleep(3)
             # https://github.com/microsoft/playwright/issues/620
+            screenshot = page.screenshot(type='jpeg', clip={'x': 1.0, 'y': 1.0, 'width': 1280, 'height': 1024})
             screenshot = page.screenshot(type='jpeg', full_page=True)
-
             # Could be made a lot faster
             # https://toruskit.com/blog/how-to-get-element-bounds-without-reflow/
 
@@ -1141,13 +1140,13 @@ def changedetection_app(config=None, datastore_o=None):
               var bbox;
               for (var i = 0; i < elements.length; i++) {   
                  bbox = elements[i].getBoundingClientRect();
-                 
-                 if (! bbox['width'] || !bbox['height'] ) {
+                 if ( bbox['width'] == window.innerWidth ) {
                    continue;
                  }
-                 if (bbox['width'] >500 && bbox['height'] >500 ) {
+                 if (bbox['width'] <10 || bbox['height'] <10 ) {
                    continue;
                  }
+
                  if(! 'textContent' in elements[i] || elements[i].textContent.length < 2 ) {
                    continue;
                  }

changedetectionio/static/js/limit.js

@@ -0,0 +1,56 @@
+/**
+ * debounce
+ * @param {integer} milliseconds This param indicates the number of milliseconds
+ *     to wait after the last call before calling the original function.
+ * @param {object} What "this" refers to in the returned function.
+ * @return {function} This returns a function that when called will wait the
+ *     indicated number of milliseconds after the last call before
+ *     calling the original function.
+ */
+Function.prototype.debounce = function (milliseconds, context) {
+    var baseFunction = this,
+        timer = null,
+        wait = milliseconds;
+
+    return function () {
+        var self = context || this,
+            args = arguments;
+
+        function complete() {
+            baseFunction.apply(self, args);
+            timer = null;
+        }
+
+        if (timer) {
+            clearTimeout(timer);
+        }
+
+        timer = setTimeout(complete, wait);
+    };
+};
+
+/**
+* throttle
+* @param {integer} milliseconds This param indicates the number of milliseconds
+*     to wait between calls before calling the original function.
+* @param {object} What "this" refers to in the returned function.
+* @return {function} This returns a function that when called will wait the
+*     indicated number of milliseconds between calls before
+*     calling the original function.
+*/
+Function.prototype.throttle = function (milliseconds, context) {
+    var baseFunction = this,
+        lastEventTimestamp = null,
+        limit = milliseconds;
+
+    return function () {
+        var self = context || this,
+            args = arguments,
+            now = Date.now();
+
+        if (!lastEventTimestamp || now - lastEventTimestamp >= limit) {
+            lastEventTimestamp = now;
+            baseFunction.apply(self, args);
+        }
+    };
+};

changedetectionio/static/js/visual-selector.js

@@ -1,4 +1,6 @@
-$("img#selector-background").bind('load', function () {
+var current_selected_i;
+
+function fetch_data() {
   // Image is ready
   $('.fetching-update-notice').html("Fetching element data..");
 
@@ -9,62 +11,51 @@ $("img#selector-background").bind('load', function () {
     $('.fetching-update-notice').html("Rendering..");
     reflow_selector(data);
   });
+};
 
-});
 
 function reflow_selector(selector_data) {
-  $('#selector-canvas').attr('width', $("img#selector-background").width());
-  $('#selector-canvas').attr('height', $("img#selector-background").height());
-
-  //.attr('height', $("img#selector-background").height());
-
-  // could trim it according to the lowest/furtheret item in the dataset
-  stage = new createjs.Stage("selector-canvas");
-
-  // to get onMouseOver & onMouseOut events, we need to enable them on the
-  // stage:
-  stage.enableMouseOver();
-  output = new createjs.Text("Test press, click, doubleclick, mouseover, and mouseout", "14px Arial");
-  output.x = output.y = 10;
-  stage.addChild(output);
-
-  var squares = [];
-  for (var i = 0; i < selector_data.length; i++) {
-
-    squares[i] = new createjs.Shape();
-
-    squares[i].graphics.beginFill("rgba(215,0,0,0.2)").drawRect(
-        selector_data[i]['left'],
-        selector_data[i]['top'],
-        selector_data[i]['width'],
-        selector_data[i]['height']);
-    
-    squares[i].name = selector_data[i]['xpath'];
-    stage.addChild(squares[i]);
 
-    squares[i].on("click", handleMouseEvent);
-    squares[i].on("dblclick", handleMouseEvent);
-    squares[i].on("mouseover", handleMouseEvent);
-    squares[i].on("mouseout", handleMouseEvent);
-    squares.push(squares[i]);
+  //  $('#selector-canvas').attr('width',
+  // $("img#selector-background")[0].getBoundingClientRect().width);
+  var c = document.getElementById("selector-canvas");
+  var selector_image = document.getElementById("selector-background");
+  var selector_image_rect = selector_image.getBoundingClientRect();
+
+  $('#selector-canvas').attr('height', selector_image_rect.height);
+  $('#selector-canvas').attr('width', selector_image_rect.width);
+
+
+  var ctx = c.getContext("2d");
+  ctx.strokeStyle = 'rgba(255,0,0,5)';
+
+  // set this on resize too
+  var x_scale = selector_image_rect.width / selector_image.naturalWidth;
+  var y_scale = selector_image_rect.height / selector_image.naturalHeight;
+
+  console.log(selector_data.length + " selectors found");
+  $('#selector-canvas').bind('mousemove', function (e) {
+    ctx.clearRect(0, 0, c.width, c.height);
+    current_selected_i=null;
+
+    // Reverse order - the most specific one should be deeper/"laster"
+    for (var i = selector_data.length; i!=0; i--) {
+      // draw all of them? let them choose somehow?
+      var sel = selector_data[i-1];
+      if (e.offsetY > sel.top * y_scale && e.offsetY < sel.top * y_scale + sel.height * y_scale
+          &&
+          e.offsetX > sel.left * y_scale && e.offsetX < sel.left * y_scale + sel.width * y_scale
+      ) {
+        ctx.strokeRect(sel.left * x_scale, sel.top * y_scale, sel.width * x_scale, sel.height * y_scale);
+        // no need to keep digging
+        current_selected_i=i;
+        break;
       }
-
-
-  stage.update();
-  $('.fetching-update-notice').hide();
-}
-
-function handleMouseEvent(evt) {
-  output.text = "evt.target: " + evt.target + ", evt.type: " + evt.type;
-
-  if(evt.type == 'mouseover') {
-    evt.target.graphics.beginFill("rgba(225,220,220,0.9)");
     }
 
-  if(evt.type == 'mouseout') {
-    evt.target.graphics.beginFill("rgba(1,1,1,0.4)");
-  }
+  }.debounce(5));
 
-  // to save CPU, we're only updating when we need to, instead of on a tick:1
-  stage.update();
+  $('#selector-canvas').bind('mousedown', function (e) {
+    alert(selector_data[current_selected_i].xpath);
+  });
 }

changedetectionio/static/styles/styles.css

@@ -450,7 +450,11 @@ ul {
   position: relative; }
   #selector-wrapper > img {
     position: absolute;
-    z-index: 4; }
+    z-index: 4;
+    max-width: 100%; }
   #selector-wrapper > canvas {
-    position: absolute;
-    z-index: 5; }
+    position: relative;
+    z-index: 5;
+    max-width: 100%; }
+    #selector-wrapper > canvas:hover {
+      cursor: pointer; }

changedetectionio/static/styles/styles.scss

@@ -637,14 +637,19 @@ ul {
 
 #selector-wrapper {
  position: relative;
-
+    //width: 100%;
  > img {
     position: absolute;
     z-index: 4;
+    max-width: 100%;
  }
  >canvas {
-    position: absolute;
+    position: relative;
     z-index: 5;
+     max-width: 100%;
+     &:hover {
+     cursor: pointer;
+     }
  }
 
 }

changedetectionio/templates/edit.html

@@ -12,7 +12,7 @@
 </script>
 <script type="text/javascript" src="{{url_for('static_content', group='js', filename='notifications.js')}}" defer></script>
 <script type="text/javascript" src="{{url_for('static_content', group='js', filename='visual-selector.js')}}" defer></script>
-<script src="https://code.createjs.com/easeljs-0.8.2.min.js"></script>
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='limit.js')}}" defer></script>
 
 <div class="edit-form monospaced-textarea">
 
@@ -187,7 +187,13 @@ nav
                         <div id="selector-wrapper">
                             <!-- request the screenshot and get the element offset info ready -->
                             <!-- use img src ready load to know everything is ready to map out -->
-                            <img id="selector-background" src="{{ url_for('visualselector_request_current_screenshot_and_metadata', uuid=uuid) }}"/>
+                            <img id="selector-background" />
+                            <script>
+                                $("img#selector-background").attr("src", "{{ url_for('visualselector_request_current_screenshot_and_metadata', uuid=uuid) }}");
+                                $("img#selector-background").bind('load', function () {
+                                   fetch_data();
+                                });
+                            </script>
                             <canvas id="selector-canvas"></canvas>
                         </div>
                     </div>