1 files changed, 24 insertions, 0 deletions
diff --git a/app/src/main/assets/js/document_watcher.coffee b/app/src/main/assets/js/document_watcher.coffee
new file mode 100644
index 00000000..11cf7d53
--- /dev/null
+++ b/app/src/main/assets/js/document_watcher.coffee
@@ -0,0 +1,24 @@
+# emit key once half the viewport is covered
+
+isReady = ->
+  if not (document?.body?)
+    return false
+  return document.body.scrollHeight > innerHeight + 100
+
+if isReady()
+  console.log("Already ready")
+  Frost?.isReady()
+  return
+
+console.log("Injected document watcher")
+
+observer = new MutationObserver(() ->
+  if isReady()
+    observer.disconnect()
+    Frost?.isReady()
+    console.log("Documented surpassed height in #{performance.now()}")
+)
+
+observer.observe document,
+  childList: true
+  subtree: true
+\ No newline at end of file