diff options
Diffstat (limited to 'ext/fg/js/frame-offset-forwarder.js')
| -rw-r--r-- | ext/fg/js/frame-offset-forwarder.js | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/ext/fg/js/frame-offset-forwarder.js b/ext/fg/js/frame-offset-forwarder.js index b3715c2a..09eb89a6 100644 --- a/ext/fg/js/frame-offset-forwarder.js +++ b/ext/fg/js/frame-offset-forwarder.js @@ -22,15 +22,23 @@ class FrameOffsetForwarder { constructor() { - this._forwardFrameOffset = window !== window.parent ? + this._started = false; + + this._forwardFrameOffset = ( + window !== window.parent ? this._forwardFrameOffsetParent.bind(this) : - this._forwardFrameOffsetOrigin.bind(this); + this._forwardFrameOffsetOrigin.bind(this) + ); this._windowMessageHandlers = new Map([ - ['getFrameOffset', ({offset, uniqueId}, e) => { return this._onGetFrameOffset(offset, uniqueId, e); }] + ['getFrameOffset', ({offset, uniqueId}, e) => this._onGetFrameOffset(offset, uniqueId, e)] ]); + } + start() { + if (this._started) { return; } window.addEventListener('message', this.onMessage.bind(this), false); + this._started = true; } async applyOffset(x, y) { @@ -44,7 +52,6 @@ class FrameOffsetForwarder { chrome.runtime.onMessage.removeListener(runtimeMessageCallback); callback(); frameOffsetResolve(params); - return false; } }; chrome.runtime.onMessage.addListener(runtimeMessageCallback); |