1 files changed, 100 insertions, 0 deletions
diff --git a/web/gui/src/dashboard.js/timeout.js b/web/gui/src/dashboard.js/timeout.js
new file mode 100644
index 00000000..4adf9bb4
--- /dev/null
+++ b/web/gui/src/dashboard.js/timeout.js
@@ -0,0 +1,100 @@
+
+// *** src/dashboard.js/timeout.js
+
+// TODO: Better name needed
+
+NETDATA.timeout = {
+    // by default, these are just wrappers to setTimeout() / clearTimeout()
+
+    step: function (callback) {
+        return window.setTimeout(callback, 1000 / 60);
+    },
+
+    set: function (callback, delay) {
+        return window.setTimeout(callback, delay);
+    },
+
+    clear: function (id) {
+        return window.clearTimeout(id);
+    },
+
+    init: function () {
+        let custom = true;
+
+        if (window.requestAnimationFrame) {
+            this.step = function (callback) {
+                return window.requestAnimationFrame(callback);
+            };
+
+            this.clear = function (handle) {
+                return window.cancelAnimationFrame(handle.value);
+            };
+        // } else if (window.webkitRequestAnimationFrame) {
+        //     this.step = function (callback) {
+        //         return window.webkitRequestAnimationFrame(callback);
+        //     };
+
+        //     if (window.webkitCancelAnimationFrame) {
+        //         this.clear = function (handle) {
+        //             return window.webkitCancelAnimationFrame(handle.value);
+        //         };
+        //     } else if (window.webkitCancelRequestAnimationFrame) {
+        //         this.clear = function (handle) {
+        //             return window.webkitCancelRequestAnimationFrame(handle.value);
+        //         };
+        //     }
+        // } else if (window.mozRequestAnimationFrame) {
+        //     this.step = function (callback) {
+        //         return window.mozRequestAnimationFrame(callback);
+        //     };
+
+        //     this.clear = function (handle) {
+        //         return window.mozCancelRequestAnimationFrame(handle.value);
+        //     };
+        // } else if (window.oRequestAnimationFrame) {
+        //     this.step = function (callback) {
+        //         return window.oRequestAnimationFrame(callback);
+        //     };
+
+        //     this.clear = function (handle) {
+        //         return window.oCancelRequestAnimationFrame(handle.value);
+        //     };
+        // } else if (window.msRequestAnimationFrame) {
+        //     this.step = function (callback) {
+        //         return window.msRequestAnimationFrame(callback);
+        //     };
+
+        //     this.clear = function (handle) {
+        //         return window.msCancelRequestAnimationFrame(handle.value);
+        //     };
+        } else {
+            custom = false;
+        }
+
+        if (custom) {
+            // we have installed custom .step() / .clear() functions
+            // overwrite the .set() too
+
+            this.set = function (callback, delay) {
+                let start = Date.now(),
+                    handle = new Object();
+
+                const loop = () => {
+                    let current = Date.now(),
+                        delta = current - start;
+
+                    if (delta >= delay) {
+                        callback.call();
+                    } else {
+                        handle.value = this.step(loop);
+                    }
+                }
+
+                handle.value = this.step(loop);
+                return handle;
+            };
+        }
+    }
+};
+
+NETDATA.timeout.init();