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Update FramesBrowser

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This commit is contained in:
octospacc 2024-03-19 01:16:47 +01:00
parent 80083457d2
commit 5e411537ab
2 changed files with 204 additions and 43 deletions
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236
public/FramesBrowser/index.html
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@ -1,4 +1,9 @@
<!DOCTYPE html>
<!-- TODO:
* open URL via url hash
* open app in restricted mode via hash
* options menu/zone?
-->
<html lang="en">
<head>
<meta charset="utf-8"/>
@ -46,6 +51,13 @@
padding-bottom: 0;
border-spacing: 0;
}
#BtnFullscreen {
position: absolute;
top: 0;
right: 0;
z-index: 1;
margin: 8px;
}
.BoxPopup {
left: 0;
right: 0;
@ -77,6 +89,7 @@
</script>
</head>
<body>
<button id="BtnFullscreen" onclick="ToggleFullscreen()">🎞️ Menu</button>
<div id="BoxControls"><table><tr>
<td><button onclick="ShowAppInfo()">ℹ️ Info</button></td>
<td><button onclick="ToggleDevTools()">📐️ Tools</button></td>
@ -85,6 +98,7 @@
<input type="file" hidden="hidden" style="display: none;" onchange="LoadFile(this.files[0])"/>
</td>
<td><button onclick="ZoomFrame()">🔍️ Zoom</button></td>
<td><button onclick="ToggleFullscreen()">🎞️ Hide</button></td>
<td><button onclick="ListFrames()">🪟 Frames</button></td>
<td style="width: 100%;"><input id="InputUri" type="text" style="min-width: 100%;" placeholder="🔗️ Enter URI..." onkeydown="InputHandleKey(event)"/></td>
<td><button id="BtnLoad" onclick="LoadFrame()">↩️ Load</button></td>
@ -102,8 +116,20 @@
<h1>Frames Browser</h1>
<p>Frames Browser is an iFrame-based HTML5 browser made for fun and development. Use the above menu to operate the app.</p>
<p>Note: the app is still in development and data handling may break between versions! Backup your data externally to avoid losing it.</p>
<!--<p>You can also visit, or go back to, my home page: <a href="https://hub.octt.eu.org">hub.octt.eu.org</a>!</p>-->
<p>You can also visit, or go back to, my home page (OctoSpacc Hub): <a href="https://hub.octt.eu.org">hub.octt.eu.org</a>!</p>
<h2>Changelog</h2>
<h3>2024-03-18</h3><ul>
<li>First implementation of handling of URL hash parameters (reduced or "quick" format).</li>
<li>Open a <a href="https://hub.octt.eu.org/FramesBrowser/#_0|u=https://example.com">specific URI</a> or <a href="https://hub.octt.eu.org/FramesBrowser/#_0|h=<h2>Hello World!</h2>">raw HTML data</a> via URL hash (click the links to try!).</li>
<li>Add "fullscreen" (hide the main app bar) option to GUI (persistent) and quick URL hash flags.</li>
<li>Fixed some issues with handling UTF8 data URIs.</li>
<li>Make frame zoom option persistent.</li>
</ul>
<h3>2024-03-17</h3><ul>
<li>Improve internal app state data handling (breaking previous version).</li>
<li>Add data dump and reset options appearing on boot to users with pre-update database.</li>
<li>Add link back to my hub in this README.</li>
</ul>
<h3>2024-03-15</h3><ul>
<li>Improve some crusty code.</li>
<li>Add this default/sample HTML text into the app, visible via the otherwise useless Root Window.</li>
@ -120,11 +146,18 @@
<li>Excise frame content into another native browser tab (via opening the same URL)</li>
<li>Import file into data URI from local file.</li>
</ul>
<script>
Array.from(document.querySelectorAll('a[href]')).forEach(function(el){
el.onclick = function(){ top.location = this.href }
})
</script>
</div>
<script>
var CurrentFrames = [];
var FrameIndexes = [-1];
var FrameZoomIndex = -1;
var AppData, SesAppData, SesAppDataBak;
function SaveAppData(){
localStorage.setItem('org.eu.octt.FramesBrowser.v1', JSON.stringify({ ...AppData, ...(SesAppData.optionsFromUrl ? SesAppDataBak : SesAppData) }));
};
var SampleHtmlContent = MainAppContent.innerHTML;
MainAppContent.innerHTML = '<iframe></iframe>';
document.body.style.overflow = 'hidden';
@ -164,54 +197,65 @@
};
};
function GetTabUrlFromTabIndex (index) {
return (index === -1 ? null : AppData.urls[AppData.tabs[index].urlIndex]);
};
function ShowFrame(index){
var isFrameRoot = (index === -1);
var url = (GetTabUrlFromTabIndex(index) || '');
ListFramesClose();
FrameIndexes = [index];
SaveCurrentFrames();
AppData.currentTabIndex = index;
SaveAppData();
InputUri.disabled = isFrameRoot;
InputUri.value = (isFrameRoot ? '' : CurrentFrames[index]);
InputUri.value = url;
BtnFile.disabled = isFrameRoot;
BtnLoad.disabled = isFrameRoot;
BtnExcise.disabled = isFrameRoot;
document.querySelector('iframe').src = (isFrameRoot ? `data:text/html;utf8,${SampleHtmlContent}` : CurrentFrames[index]);
document.querySelector('iframe').src = (isFrameRoot ? `data:text/html;utf8,${encodeURIComponent(SampleHtmlContent)}` : url);
};
function SaveUrl(){
var url = document.querySelector('input[type="text"]').value;
localStorage.setItem('FramesBrowser.url', url);
CurrentFrames[FrameIndexes[0]] = url;
SaveCurrentFrames();
var urlIndex = AppData.urls.indexOf(url);
if (urlIndex === -1) {
// it's a new url, store it
AppData.urls.push(url);
urlIndex = (AppData.urls.length - 1);
}
AppData.tabs[AppData.currentTabIndex].urlIndex = urlIndex;
PruneUnusedUrls();
SaveAppData();
return url;
};
function PruneUnusedUrls(){
// TODO
};
function AddFrame(){
CurrentFrames = CurrentFrames.concat(['']);
AppData.tabs = AppData.tabs.concat([{}]);
ListFrames();
ShowFrame(CurrentFrames.length - 1);
SaveCurrentFrames();
ShowFrame(AppData.tabs.length - 1);
SaveAppData();
RefreshFramesCounter();
};
function CloseFrame(index){
CurrentFrames.pop(index);
if (FrameIndexes[0] === index) {
ShowFrame(-1);//ShowRootFrame();
} else if (FrameIndexes[0] > index) {
FrameIndexes[0] --;
AppData.tabs.splice(index, 1);
PruneUnusedUrls();
if (AppData.currentTabIndex === index) {
ShowFrame(-1);
} else if (AppData.currentTabIndex > index) {
AppData.currentTabIndex--;
};
ListFrames(); ListFrames();
SaveCurrentFrames();
SaveAppData();
RefreshFramesCounter();
};
function SaveCurrentFrames(){
localStorage.setItem('FramesBrowser.CurrentFrames', JSON.stringify(CurrentFrames));
localStorage.setItem('FramesBrowser.FrameIndexes', JSON.stringify(FrameIndexes));
};
function RefreshFramesCounter(){
var count = CurrentFrames.length;
var count = AppData.tabs.length;
var countHtml = '';
if (count > 99) {
countHtml = '(...)';
@ -221,6 +265,22 @@
document.querySelector('button[onclick="ListFrames()"]').textContent = `🪟${countHtml} Frames`;
};
function ApplyFullscreen () {
if (SesAppData.fullscreen) {
BoxControls.style.display = 'none';
BtnFullscreen.style.display = '';
} else {
BoxControls.style.display = '';
BtnFullscreen.style.display = 'none';
}
}
function ToggleFullscreen () {
SesAppData.fullscreen = !SesAppData.fullscreen;
ApplyFullscreen();
SaveAppData();
}
function LoadFrame(){
document.querySelector('iframe').src = SaveUrl();
};
@ -243,19 +303,14 @@
reader.readAsDataURL(file);
};
function ZoomFrame(){
if (FrameZoomIndex === FrameZoomLevels.length - 1) {
FrameZoomIndex = -1;
} else {
FrameZoomIndex ++;
};
var level = FrameZoomLevels[FrameZoomIndex];
var levelopp = FrameZoomLevels[FrameZoomLevels.length - 1 - FrameZoomIndex];
function ApplyFrameZoom () {
var level = FrameZoomLevels[SesAppData.frameZoomIndex];
var levelopp = FrameZoomLevels[FrameZoomLevels.length - 1 - SesAppData.frameZoomIndex];
var stylepos = (level < 100
? `right: ${level}vw; bottom: calc(${level}vh - 16px);`
: `left: ${levelopp/2}vw; top: calc(${levelopp/2}vh - 8px);`
);
document.querySelector('iframe').style = (FrameZoomIndex === -1
document.querySelector('iframe').style = (SesAppData.frameZoomIndex === -1
? ''
: `scale: ${level/100}; width: ${levelopp}vw; height: calc(${levelopp}vh - (var(--BtnActionHeight) * ${levelopp / 100})); ${stylepos}`
);
@ -267,6 +322,16 @@
} else {
zoomButton.textContent = '🔍️ Zoom';
};
}
function ZoomFrame(){
if (SesAppData.frameZoomIndex === FrameZoomLevels.length - 1) {
SesAppData.frameZoomIndex = -1;
} else {
SesAppData.frameZoomIndex ++;
};
ApplyFrameZoom();
SaveAppData();
};
function ListFrames(){
@ -278,13 +343,13 @@
Box.Content.appendChild(BoxList);
var LiMain = $new('li');
BoxList.appendChild(LiMain);
var BtnMain = $new('button', { innerHTML: 'Root Window', onclick: /*ShowRootFrame*/function(){ ShowFrame(-1) }, disabled: FrameIndexes[0] === -1 });
var BtnMain = $new('button', { innerHTML: 'Root Window', onclick: /*ShowRootFrame*/function(){ ShowFrame(-1) }, disabled: AppData.currentTabIndex === -1 });
LiMain.appendChild(BtnMain);
for (var i=0; i<CurrentFrames.length; i++) {
for (var i=0; i<AppData.tabs.length; i++) {
var li = $new('li');
li.ItemIndex = i;
BoxList.appendChild(li);
var open = $new('button', { innerHTML: `&nbsp;${CurrentFrames[i].slice(0, 16)}&nbsp;`, onclick: function(){ShowFrame(this.parentElement.ItemIndex)}, disabled: FrameIndexes[0] === i });
var open = $new('button', { innerHTML: `&nbsp;${(GetTabUrlFromTabIndex(i) || '').slice(0, 16)}&nbsp;`, onclick: function(){ShowFrame(this.parentElement.ItemIndex)}, disabled: AppData.currentTabIndex === i });
li.append(open);
var close = $new('button', { innerHTML: '✖️', onclick: function(){CloseFrame(this.parentElement.ItemIndex)} });
li.append(close);
@ -326,12 +391,14 @@
return { Container: Container, Content: Content };
};
window.opendatauri = function opendatauri(data){
function opendatauri (data) {
var head = data.split(',')[0].split('data:')[1];
var [mime, encoding] = head.split(';');
data = data.split(',').slice(1).join(',');
if (encoding.toLowerCase() === 'base64') {
data = atob(data);
} else if (encoding.toLowerCase() === 'utf8') {
data = decodeURIComponent(data);
};
var bytes = new Array(data.length);
for (var i = 0; i < data.length; i++) {
@ -342,13 +409,96 @@
), '_blank');
};
// https://stackoverflow.com/questions/45053624/convert-hex-to-binary-in-javascript/45054052#45054052
function hex2bin (hex) {
return (parseInt(hex, 16).toString(2)).padStart((hex.length * 4), '0');
}
function AlertMigrateAppData(){
var stored = Object.keys(localStorage);
if (stored.includes('FramesBrowser.CurrentFrames') || stored.includes('FramesBrowser.FrameIndexes') || stored.includes('FramesBrowser.url')) {
var overlay = document.createElement('div');
overlay.style = 'position: absolute; width: 100vw; height: 100vh; top: 0; background: white; color: black;';
overlay.innerHTML = `<p>The app handling of data has changed in the last update. Please copy and backup externally all the data you need and reset the app to continue using it.</p>
<button>Reset</button>
<p>Your open URLs:</p><ul>${JSON.parse(localStorage.getItem('FramesBrowser.CurrentFrames'))?.map(function(item){
return `<li>${item.replaceAll('<','&lt;').replaceAll('>','&gt;')}</li>`;
}).join('') || '<p>[nothing previously saved]</p>'}</ul>`;
overlay.querySelector('button').onclick = function(){
['CurrentFrames','FrameIndexes','url'].forEach(function(key){
localStorage.removeItem(`FramesBrowser.${key}`);
});
location.reload();
};
document.body.appendChild(overlay);
}
};
window.onhashchange = function(){ location.reload() };
window.onload = function(){
Array.from(document.querySelectorAll('noscript, .NoScript')).forEach(function(el){ el.remove() });
CurrentFrames = (JSON.parse(localStorage.getItem('FramesBrowser.CurrentFrames')) || []);
FrameIndexes = (JSON.parse(localStorage.getItem('FramesBrowser.FrameIndexes')) || [-1]);
document.querySelector('input[type="text"]').value = localStorage.getItem('FramesBrowser.url');
ShowFrame(FrameIndexes[0]);
AppData = (JSON.parse(localStorage.getItem('org.eu.octt.FramesBrowser.v1')) || {});
SesAppData = {
fullscreen: (AppData.fullscreen || false),
frameZoomIndex: (isNaN(parseInt(AppData.frameZoomIndex)) ? -1 : AppData.frameZoomIndex),
optionsFromUrl: (AppData.optionsFromUrl || false),
};
SesAppDataBak = structuredClone(SesAppData);
AppData = {
tabs: (AppData.tabs || []),
urls: (AppData.urls || []),
currentTabIndex: (isNaN(parseInt(AppData.currentTabIndex)) ? -1 : AppData.currentTabIndex),
};
AlertMigrateAppData();
SaveAppData();
document.querySelector('input[type="text"]').value = GetTabUrlFromTabIndex(AppData.currentTabIndex);
ApplyFullscreen();
ApplyFrameZoom();
ShowFrame(AppData.currentTabIndex);
RefreshFramesCounter();
if (location.hash) {
var tokens = location.hash.slice(1).split('|');
if (tokens[0].startsWith('_')) {
// leading underscore indicates a restricted quick query, succeding charaters are identifiers for versioning
var paramsVersion = tokens[0].slice(1);
var flags = {};
SesAppData.optionsFromUrl = true;
tokens = tokens.slice(1);
switch (paramsVersion) {
case '1':
while (tokens.length > 0) {
var opt = tokens[0];
var optLow = opt.toLowerCase();
if (optLow.startsWith('f=')) {
var flagStr = hex2bin(opt.slice(2));
var flags = {
//disallowPrefsOverride: flagStr[0],
fullscreen: flagStr[3],
};
for (var flag in flags) {
flags[flag] = !!Number(flags[flag]);
}
} else if (optLow.startsWith('u=') || optLow.startsWith('h=')) {
// load data URI, or HTML content
tokens[0] = tokens[0].slice(2);
var fieldData = tokens.join('|');
var url = ((optLow.startsWith('h=') ? 'data:text/html;utf8,' : '') + fieldData);
if (GetTabUrlFromTabIndex(AppData.currentTabIndex) !== url) {
AddFrame();
document.querySelector('input[type="text"]').value = url;
LoadFrame();
}
flags.fullscreen && !SesAppData.fullscreen && ToggleFullscreen();
!flags.fullscreen && SesAppData.fullscreen && ToggleFullscreen();
break;
}
tokens = tokens.slice(1);
}
break;
}
}
}
};
</script>
</body>

11
public/a/fb/index.html Normal file
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@ -0,0 +1,11 @@
<!DOCTYPE html><html>
<head><meta name="viewport" content="width=device-width, initial-scale=1.0"></head>
<body>
<script>
function r(){ location='../../FramesBrowser/'+location.hash }
r()
</script>
<p>Redirecting...</p>
<button onclick="r()">Click if you are not automatically redirected</button>
</body>
</html>