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Merge pull request #821 from kiwix/taskbar_autohiding 

Auto-hiding of the iframe-based taskbar
This commit is contained in:
Matthieu Gautier 2022-09-28 17:15:59 +02:00 committed by GitHub
parent 0dd638f261 0a866fa914
commit 15f5abad3c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 28 additions and 35 deletions
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61
static/skin/viewer.js
View File

@ -152,6 +152,27 @@ function updateSearchBoxForBookChange() {
}
}
let previousScrollTop = Infinity;
function updateToolbarVisibilityState() {
const iframeDoc = contentIframe.contentDocument;
const st = iframeDoc.documentElement.scrollTop || iframeDoc.body.scrollTop;
if ( Math.abs(previousScrollTop - st) <= 5 )
return;
const kiwixToolBar = document.querySelector('#kiwixtoolbar');
if (st > previousScrollTop) {
kiwixToolBar.style.position = 'fixed';
kiwixToolBar.style.top = '-100%';
} else {
kiwixToolBar.style.position = 'static';
kiwixToolBar.style.top = '0';
}
previousScrollTop = st;
}
function handle_visual_viewport_change() {
contentIframe.height = window.visualViewport.height - contentIframe.offsetTop - 4;
}
@ -165,6 +186,7 @@ function handle_location_hash_change() {
contentIframe.contentWindow.location.replace(iframeContentUrl);
}
updateSearchBoxForLocationChange();
previousScrollTop = Infinity;
}
function handle_content_url_change() {
@ -276,39 +298,7 @@ function htmlDecode(input) {
}
function setupAutoHidingOfTheToolbar() {
let lastScrollTop = 0;
const delta = 5;
let didScroll = false;
const kiwixToolBar = document.querySelector('#kiwixtoolbar');
contentIframe.contentWindow.addEventListener('scroll', () => {
didScroll = true;
});
setInterval(function() {
if (didScroll) {
hasScrolled();
didScroll = false;
}
}, 250);
function hasScrolled() {
const iframeDoc = contentIframe.contentDocument;
const st = iframeDoc.documentElement.scrollTop || iframeDoc.body.scrollTop;
if (Math.abs(lastScrollTop - st) <= delta)
return;
if (st > lastScrollTop) {
kiwixToolBar.style.position = 'fixed';
kiwixToolBar.style.top = '-100%';
} else {
kiwixToolBar.style.position = 'static';
kiwixToolBar.style.top = '0';
}
lastScrollTop = st;
}
setInterval(updateToolbarVisibilityState, 250);
}
function setupSuggestions() {
@ -384,7 +374,10 @@ function setupSuggestions() {
}
function setupViewer() {
setInterval(handle_visual_viewport_change, 0);
// Defer the call of handle_visual_viewport_change() until after the
// presence or absence of the taskbar as determined by this function
// has been settled.
setTimeout(handle_visual_viewport_change, 0);
const kiwixToolBarWrapper = document.getElementById('kiwixtoolbarwrapper');
if ( ! viewerSettings.toolbarEnabled ) {

2
test/server.cpp
View File

@ -199,7 +199,7 @@ R"EXPECTEDRESULT( <img src="../skin/download.png?
/* url */ "/ROOT/viewer",
R"EXPECTEDRESULT( <link type="text/css" href="./skin/taskbar.css?cacheid=216d6b5d" rel="Stylesheet" />
<link type="text/css" href="./skin/css/autoComplete.css?cacheid=08951e06" rel="Stylesheet" />
<script type="text/javascript" src="./skin/viewer.js?cacheid=9a336712" defer></script>
<script type="text/javascript" src="./skin/viewer.js?cacheid=51e745c2" defer></script>
<script type="text/javascript" src="./skin/autoComplete.min.js?cacheid=1191aaaf"></script>
const blankPageUrl = `${root}/skin/blank.html`;
<label for="kiwix_button_show_toggle"><img src="./skin/caret.png?cacheid=22b942b4" alt=""></label>