CalvinBackup/FocusGram-Android
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feat:

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added "Scheduled Blocking"
improved reel blocking logic
changed from topbar to sidepanel
improved seddings page
added about page
This commit is contained in:
Ujwal
2026-02-22 23:59:20 +05:45
parent 9ab4fc503a
commit 354f7413d1
15 changed files with 1336 additions and 508 deletions
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lib/services/injection_controller.dart
+60 -77
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@@ -9,9 +9,9 @@
class InjectionController {
/// iOS Safari user-agent — reduces login friction with Instagram.
static const String iOSUserAgent =
'Mozilla/5.0 (iPhone; CPU iPhone OS 17_5 like Mac OS X) '
'Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X) '
'AppleWebKit/605.1.15 (KHTML, like Gecko) '
'Version/17.5 Mobile/15E148 Safari/604.1';
'Version/17.0 Mobile/15E148 Safari/604.1';
// ── CSS injection ───────────────────────────────────────────────────────────
@@ -72,9 +72,25 @@ class InjectionController {
''';
/// CSS that adds bottom padding so feed content doesn't hide behind our bar.
/// Added more selectors to cover dynamic drawers like Notes and Reactions.
static const String _bottomPaddingCSS = '''
body, #react-root > div {
padding-bottom: 64px !important;
body, #react-root > div, [role="presentation"] > div {
padding-bottom: 72px !important;
}
/* Special handling for dynamic bottom drawers */
div[style*="bottom: 0px"], div[style*="bottom: 0"] {
padding-bottom: 72px !important;
}
''';
/// CSS to push IG content down so it doesn't hide behind our status bar.
static const String _topPaddingCSS = '''
header, #react-root > div > div > div:first-child {
margin-top: 44px !important;
}
/* Shift fixed headers down */
div[style*="position: fixed"][style*="top: 0"] {
top: 44px !important;
}
''';
@@ -257,84 +273,50 @@ class InjectionController {
})();
''';
/// JS to disable vertical swipe gestures that drive reel-to-reel transition.
static const String reelSwipeBlockerJS = '''
/// MutationObserver to watch for Reel players and lock their scrolling.
static const String reelsMutationObserverJS = '''
(function() {
let _touchStartY = 0;
document.addEventListener('touchstart', function(e) {
_touchStartY = e.touches[0].clientY;
}, { passive: true });
document.addEventListener('touchmove', function(e) {
const deltaY = e.touches[0].clientY - _touchStartY;
// If swiping UP (negative delta), block it to prevent next reel load
if (deltaY < -10) {
if (e.cancelable) {
e.preventDefault();
e.stopPropagation();
}
}
}, { passive: false });
})();
''';
// ── Reel scroll-lock ────────────────────────────────────────────────────────
/// JS that prevents the user from scrolling to a different reel.
/// Intercepts history changes — if a /reel/ URL changes, navigate back.
static String reelScrollLockJS(String canonicalUrl) {
final escapedUrl = _escapeJsString(canonicalUrl);
return '''
(function lockReel() {
const LOCKED_URL = $escapedUrl;
function extractReelId(url) {
const m = url.match(/\\/reel\\/([^\\/\\?#]+)/);
return m ? m[1] : null;
}
const lockedId = extractReelId(LOCKED_URL);
if (!lockedId) return;
// Override pushState and replaceState
const _pushState = history.pushState.bind(history);
const _replaceState = history.replaceState.bind(history);
function checkAndRevert(newUrl) {
const newId = extractReelId(newUrl || window.location.href);
if (newId && newId !== lockedId) {
// Different reel — go back to ours
setTimeout(function() {
window.location.replace(LOCKED_URL);
}, 50);
}
}
history.pushState = function(state, title, url) {
_pushState(state, title, url);
checkAndRevert(url);
};
history.replaceState = function(state, title, url) {
_replaceState(state, title, url);
checkAndRevert(url);
};
window.addEventListener('popstate', function() {
checkAndRevert(window.location.href);
});
// Also disable vertical swipe gestures that drive reel-to-reel
function lockReelScroll(reelContainer) {
if (reelContainer.dataset.scrollLocked) return;
reelContainer.dataset.scrollLocked = 'true';
let startY = 0;
document.addEventListener('touchstart', function(e) {
reelContainer.addEventListener('touchstart', (e) => {
startY = e.touches[0].clientY;
}, { passive: true });
document.addEventListener('touchmove', function(e) {
const dy = e.touches[0].clientY - startY;
if (Math.abs(dy) > 20) {
e.preventDefault();
reelContainer.addEventListener('touchmove', (e) => {
const deltaY = e.touches[0].clientY - startY;
// Block upward swipe (next reel), allow downward (go back)
if (deltaY < -10) {
if (e.cancelable) {
e.preventDefault();
e.stopPropagation();
}
}
}, { passive: false });
})();
''';
}
}
// Watch for reel player being injected into DOM
const observer = new MutationObserver(() => {
// Instagram's reel player containers — multiple selectors for resilience
const reelContainers = document.querySelectorAll(
'[class*="reel"], [class*="Reel"], video'
);
reelContainers.forEach((el) => {
// If it's a video or a reel container, wrap it
lockReelScroll(el);
// Also try parent if it's a video
if (el.tagName === 'VIDEO' && el.parentElement) {
lockReelScroll(el.parentElement);
}
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
''';
/// JS to disable swipe-to-next behavior inside the isolated Reel player.
static const String disableReelSwipeJS = '''
@@ -357,7 +339,8 @@ class InjectionController {
}) {
final StringBuffer css = StringBuffer();
css.write(_hideInstagramNavCSS);
css.write(_bottomPaddingCSS); // Ensure content isn't behind our bar
css.write(_bottomPaddingCSS);
css.write(_topPaddingCSS);
if (!sessionActive) css.write(_hideReelsCSS);
if (blurExplore) css.write(_blurExploreCSS);