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move open shadow root iframe finder to a function

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This commit is contained in:
siikamiika 2020-04-18 00:55:16 +03:00
parent 85706c421b
commit b786e2da19
1 changed files with 20 additions and 16 deletions
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36
ext/fg/js/frame-offset-forwarder.js
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@ -81,23 +81,9 @@ class FrameOffsetForwarder {
}
if (sourceFrame === null) {
const getShadowRootElements = (documentOrElement) => {
const elements = Array.from(documentOrElement.querySelectorAll('*'))
.filter((el) => !!el.shadowRoot);
const childElements = elements
.map((el) => el.shadowRoot)
.map(getShadowRootElements);
elements.push(childElements.flat());
return elements.flat();
};
sourceFrame = getShadowRootElements(document)
.map((el) => Array.from(el.shadowRoot.querySelectorAll('frame, iframe:not(.yomichan-float)')))
.flat()
.find((el) => el.contentWindow === e.source);
sourceFrame = this._getOpenShadowRootSourceFrame(e.source);
if (!sourceFrame) {
// closed shadow root etc.
this._forwardFrameOffsetOrigin(null, uniqueId);
return;
}
@ -110,6 +96,24 @@ class FrameOffsetForwarder {
this._forwardFrameOffset(offset, uniqueId);
}
_getOpenShadowRootSourceFrame(sourceWindow) {
const getShadowRootElements = (documentOrElement) => {
const elements = Array.from(documentOrElement.querySelectorAll('*'))
.filter((el) => !!el.shadowRoot);
const childElements = elements
.map((el) => el.shadowRoot)
.map(getShadowRootElements);
elements.push(childElements.flat());
return elements.flat();
};
return getShadowRootElements(document)
.map((el) => Array.from(el.shadowRoot.querySelectorAll('frame, iframe:not(.yomichan-float)')))
.flat()
.find((el) => el.contentWindow === sourceWindow);
}
_forwardFrameOffsetParent(offset, uniqueId) {
window.parent.postMessage({action: 'getFrameOffset', params: {offset, uniqueId}}, '*');
}