diff options
Diffstat (limited to 'app/src/main/assets/js/document_watcher.js')
-rw-r--r-- | app/src/main/assets/js/document_watcher.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/app/src/main/assets/js/document_watcher.js b/app/src/main/assets/js/document_watcher.js new file mode 100644 index 00000000..4613dc87 --- /dev/null +++ b/app/src/main/assets/js/document_watcher.js @@ -0,0 +1,38 @@ +"use strict"; + +(function () { + // emit key once half the viewport is covered + var isReady, observer; + + isReady = function isReady() { + if (!((typeof document !== "undefined" && document !== null ? document.body : void 0) != null)) { + return false; + } + return document.body.scrollHeight > innerHeight + 100; + }; + + if (isReady()) { + console.log("Already ready"); + if (typeof Frost !== "undefined" && Frost !== null) { + Frost.isReady(); + } + return; + } + + console.log("Injected document watcher"); + + observer = new MutationObserver(function () { + if (isReady()) { + observer.disconnect(); + if (typeof Frost !== "undefined" && Frost !== null) { + Frost.isReady(); + } + return console.log("Documented surpassed height in " + performance.now()); + } + }); + + observer.observe(document, { + childList: true, + subtree: true + }); +}).call(undefined);
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