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Implement is_visible for same-origin frames

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This commit is contained in:
Jay Kamat 2018-01-06 11:13:54 -08:00
parent 012e63520f
commit 8500509532
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GPG Key ID: 5D2E399600F4F7B5
1 changed files with 20 additions and 13 deletions
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33
qutebrowser/javascript/webelem.js
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@ -55,6 +55,18 @@ window._qutebrowser.webelem = (function() {
return frame.frameElement.getBoundingClientRect();
}
// Add an offset rect to a base rect, for use with frames
function add_offset_rect(base, offset) {
return {
"top": base.top + offset.top,
"left": base.left + offset.left,
"bottom": base.bottom + offset.top,
"right": base.right + offset.left,
"height": base.height,
"width": base.width,
};
}
function get_caret_position(elem, frame) {
// With older Chromium versions (and QtWebKit), InvalidStateError will
// be thrown if elem doesn't have selectionStart.
@ -126,14 +138,9 @@ window._qutebrowser.webelem = (function() {
for (let k = 0; k < client_rects.length; ++k) {
const rect = client_rects[k];
out.rects.push({
"top": rect.top + frame_offset_rect.top,
"right": rect.right + frame_offset_rect.right,
"bottom": rect.bottom + frame_offset_rect.bottom,
"left": rect.left + frame_offset_rect.left,
"height": rect.height,
"width": rect.width,
});
out.rects.push(
add_offset_rect(rect, frame_offset_rect)
);
}
// console.log(JSON.stringify(out));
@ -141,9 +148,7 @@ window._qutebrowser.webelem = (function() {
return out;
}
function is_visible(elem) {
// FIXME:qtwebengine Handle frames and iframes
function is_visible(elem, frame = null) {
// Adopted from vimperator:
// https://github.com/vimperator/vimperator-labs/blob/vimperator-3.14.0/common/content/hints.js#L259-L285
// FIXME:qtwebengine we might need something more sophisticated like
@ -151,7 +156,8 @@ window._qutebrowser.webelem = (function() {
// https://github.com/1995eaton/chromium-vim/blob/1.2.85/content_scripts/dom.js#L74-L134
const win = elem.ownerDocument.defaultView;
let rect = elem.getBoundingClientRect();
const offset_rect = get_frame_offset(frame);
let rect = add_offset_rect(elem.getBoundingClientRect(), offset_rect);
if (!rect ||
rect.top > window.innerHeight ||
@ -212,7 +218,8 @@ window._qutebrowser.webelem = (function() {
const subelems = frame.document.
querySelectorAll(selector);
for (let elem_num = 0; elem_num < subelems.length; ++elem_num) {
if (!only_visible || is_visible(subelems[elem_num])) {
if (!only_visible ||
is_visible(subelems[elem_num], frame)) {
out.push(serialize_elem(subelems[elem_num], frame));
}
}