Smart immersive manga reader overlay with proactive image detection/preload, auto next chapter, auto paging, shake paging, Wake Lock, auto-open rules, bottom more drawer, hide UI, and bilingual UI (English default / Chinese toggle).
// ==UserScript==
// @name Universal Manga Reader
// @namespace https://github.com/ymhomer/ym_Userscript
// @version 1.8.0
// @description Smart immersive manga reader overlay with proactive image detection/preload, auto next chapter, auto paging, shake paging, Wake Lock, auto-open rules, bottom more drawer, hide UI, and bilingual UI (English default / Chinese toggle).
// @author ymhomer
// @match *://*/*
// @grant GM_registerMenuCommand
// @grant GM_addStyle
// @run-at document-idle
// ==/UserScript==
(function () {
'use strict';
const AUTO_NEXT_FLAG = '__UMR_AUTO_OPEN__';
const UMR_STATE_KEY = '__UMR_READER_STATE__';
const UMR_AUTO_RULES_KEY = '__UMR_AUTO_RULES__';
const UMR_LANG_KEY = '__UMR_LANG__';
const SHAKE_SENSITIVITY_LEVELS = [1, 2, 3, 4, 5];
const SHAKE_CONFIG_MAP = {
1: { threshold: 2.7, burst: 5.2, cooldown: 900, decay: 0.80 },
2: { threshold: 2.2, burst: 4.4, cooldown: 820, decay: 0.78 },
3: { threshold: 1.8, burst: 3.7, cooldown: 760, decay: 0.76 },
4: { threshold: 1.45, burst: 3.0, cooldown: 700, decay: 0.74 },
5: { threshold: 1.1, burst: 2.4, cooldown: 620, decay: 0.72 }
};
const I18N = {
en: {
menu_open: '📚 Open Manga Reader',
menu_close: '❌ Close Manga Reader',
app_title: 'Manga Reader',
app_title_with_count: ({ title, count }) => `${title || 'Manga Reader'} · ${count} pages`,
mode_single: 'Single',
mode_double: 'Double',
auto_next: 'Auto Next',
auto_play: 'Auto Play',
hide_ui: 'Hide UI',
show_ui: 'Show UI',
fullscreen: 'Fullscreen',
close: 'Close',
more: 'More',
help: 'Help',
language: 'Language',
language_en: 'English',
language_zh: '中文',
shake_paging: 'Shake Page',
shake_sensitivity: ({ level }) => `Sensitivity ${level}`,
auto_open_manager: 'Auto Open Rules',
save: 'Save',
cancel: 'Cancel',
delete: 'Delete',
edit: 'Edit',
rule_dialog_title: 'Auto Open Immersive Reader',
rule_empty: 'No rules yet. Press "+" to add the current page URL.',
rule_input_placeholder: 'Enter a URL rule, wildcard * supported',
rule_tip_html:
'You can change the trailing part of a URL to <code>*</code> as a wildcard.<br>' +
'It is recommended to set the rule to the real chapter reading URL, not a search page or list page.<br>' +
'When adding, the current page URL will be filled in automatically.',
loader_processing: 'Processing...',
loader_trigger_lazy: 'Triggering lazy loading...',
loader_detect_sources: 'Proactively detecting image sources...',
loader_analyzing_pages: ({ domCount, probeCount }) => `Analyzing manga pages... DOM large images ${domCount} / proactive probe ${probeCount}`,
loader_detecting_progress: ({ done, total }) => `Proactively detecting images... ${done}/${total}`,
loader_analyzing_current_page: 'Analyzing images on this page...',
loader_no_pages: 'No images that look like manga pages were found. Please fully load the page and try again.',
toast_not_found_pages: 'No usable manga pages found',
toast_loaded_pages: ({ count }) => `Loaded ${count} manga pages`,
toast_last_page_no_next: 'Last page: next chapter target not found',
toast_last_page_auto_next: ({ seconds }) => `Last page: auto entering next chapter in ${seconds} seconds`,
toast_auto_next_failed_no_target: 'Auto next chapter failed: target not found',
toast_auto_next_failed_open: 'Auto next chapter failed: unable to open target',
toast_already_last: 'Already at the last page',
toast_already_first: 'Already at the first page',
toast_mode_single: 'Single-page mode',
toast_mode_double: 'Double-page mode',
toast_auto_next_off: 'Auto next chapter disabled',
toast_auto_next_on: 'Auto next chapter enabled',
toast_shake_off_due_autoplay: 'Shake paging disabled, switched to auto play',
toast_auto_play_off: 'Auto play disabled',
toast_auto_play_on: ({ seconds }) => `Auto play enabled (${seconds} sec)`,
toast_motion_permission_denied: 'Motion permission not granted or unsupported by this browser',
toast_shake_on: ({ level }) => `Shake paging enabled (sensitivity ${level})`,
toast_shake_off: 'Shake paging disabled',
toast_shake_sensitivity: ({ level }) => `Shake paging sensitivity: ${level}`,
toast_fullscreen_fail: 'Fullscreen is not supported on this page or was blocked by the browser',
toast_enter_rule: 'Please enter a URL rule',
toast_rule_saved: 'Auto-open rule saved',
toast_rule_deleted: 'Rule deleted',
toast_lang_switched: ({ lang }) => `Language switched to ${lang}`,
btn_seconds: ({ seconds }) => `${seconds}s`,
btn_ui_unlock_title: 'Show controls',
btn_fullscreen_title: 'Fullscreen',
btn_close_title: 'Close',
help_html:
'<div><b>Keyboard:</b></div>' +
'<div>← / A: Previous page</div>' +
'<div>→ / D / Space: Next page</div>' +
'<div>M: Single / Double page</div>' +
'<div>P: Auto play On/Off</div>' +
'<div>T: Switch auto play interval</div>' +
'<div>N: Auto next chapter On/Off</div>' +
'<div>F: Fullscreen</div>' +
'<div>U: Hide / Show UI</div>' +
'<div>Esc: Close</div>' +
'<div style="margin-top:8px;"><b>Touch:</b></div>' +
'<div>Swipe left/right to turn pages, tap left/right to turn pages, tap center to hide/show UI.</div>' +
'<div style="margin-top:8px;"><b>Smart Display:</b></div>' +
'<div>Portrait images prefer side fitting, landscape images prefer top/bottom fitting; double-page mode tries to keep both pages complete and centered closely together.</div>' +
'<div style="margin-top:8px;"><b>Proactive Collection:</b></div>' +
'<div>Scans DOM, lazy-load attributes, srcset, background images, and image URLs in scripts, then warms them up to improve auto-open completeness.</div>' +
'<div style="margin-top:8px;"><b>Auto Play / Shake Page / Next Chapter:</b></div>' +
'<div>Auto play and shake page are mutually exclusive. When one is enabled, the other will be disabled automatically. On the last page, if auto next chapter is enabled, it waits 5 seconds before jumping to the next chapter.</div>'
},
zh: {
menu_open: '📚 开启漫画阅读器',
menu_close: '❌ 关闭漫画阅读器',
app_title: '漫画阅读器',
app_title_with_count: ({ title, count }) => `${title || '漫画阅读器'} · ${count} 张`,
mode_single: '单页',
mode_double: '双页',
auto_next: '自动下一章',
auto_play: '自动翻页',
hide_ui: '隐藏UI',
show_ui: '显示UI',
fullscreen: '全屏',
close: '关闭',
more: '更多',
help: '说明',
language: '语言',
language_en: 'English',
language_zh: '中文',
shake_paging: '摇晃翻页',
shake_sensitivity: ({ level }) => `敏感度 ${level}`,
auto_open_manager: '自动打开沉浸式',
save: '保存',
cancel: '取消',
delete: '删除',
edit: '改',
rule_dialog_title: '自动打开沉浸式',
rule_empty: '目前没有规则。按「+」可把当前页面网址加入管理。',
rule_input_placeholder: '请输入网址规则，支持 * 万用字元',
rule_tip_html:
'可把网址后端改成 <code>*</code> 作为万用字元。<br>' +
'建议设定为真正进入漫画阅读时的连结，不要设定到搜寻页或列表页。<br>' +
'新增时会先自动带入当前页面网址。',
loader_processing: '正在处理...',
loader_trigger_lazy: '正在触发页面懒加载...',
loader_detect_sources: '正在主动探测图片来源...',
loader_analyzing_pages: ({ domCount, probeCount }) => `正在分析漫画页... DOM大图 ${domCount} 张 / 主动探测 ${probeCount} 张`,
loader_detecting_progress: ({ done, total }) => `正在主动探测图片... ${done}/${total}`,
loader_analyzing_current_page: '正在分析本页图片...',
loader_no_pages: '没有找到足够像漫画页的图片，请先把页面完整载入后再试。',
toast_not_found_pages: '未找到可用漫画页',
toast_loaded_pages: ({ count }) => `已载入 ${count} 张漫画页`,
toast_last_page_no_next: '最后一页：未找到下一章按钮',
toast_last_page_auto_next: ({ seconds }) => `最后一页：${seconds} 秒后自动进入下一章`,
toast_auto_next_failed_no_target: '自动下一章失败：找不到目标',
toast_auto_next_failed_open: '自动下一章失败：无法打开目标',
toast_already_last: '已经是最后一页',
toast_already_first: '已经是第一页',
toast_mode_single: '单页模式',
toast_mode_double: '双页模式',
toast_auto_next_off: '已关闭自动下一章',
toast_auto_next_on: '已开启自动下一章',
toast_shake_off_due_autoplay: '已关闭摇晃翻页，改为自动翻页',
toast_auto_play_off: '已关闭自动翻页',
toast_auto_play_on: ({ seconds }) => `已开启自动翻页（${seconds} 秒）`,
toast_motion_permission_denied: '装置摇晃权限未授予或此浏览器不支持',
toast_shake_on: ({ level }) => `已开启摇晃翻页（敏感度 ${level}）`,
toast_shake_off: '已关闭摇晃翻页',
toast_shake_sensitivity: ({ level }) => `摇晃翻页敏感度：${level}`,
toast_fullscreen_fail: '此页不支持全屏或被浏览器阻止',
toast_enter_rule: '请输入网址规则',
toast_rule_saved: '已保存自动打开规则',
toast_rule_deleted: '已删除规则',
toast_lang_switched: ({ lang }) => `已切换语言：${lang}`,
btn_seconds: ({ seconds }) => `${seconds}秒`,
btn_ui_unlock_title: '显示控制列',
btn_fullscreen_title: '全屏',
btn_close_title: '关闭',
help_html:
'<div><b>操作：</b></div>' +
'<div>← / A：上一页</div>' +
'<div>→ / D / Space：下一页</div>' +
'<div>M：单页 / 双页</div>' +
'<div>P：自动翻页 开/关</div>' +
'<div>T：切换自动翻页秒数</div>' +
'<div>N：自动下一章 开/关</div>' +
'<div>F：全屏</div>' +
'<div>U：隐藏 / 显示 UI</div>' +
'<div>Esc：关闭</div>' +
'<div style="margin-top:8px;"><b>触控：</b></div>' +
'<div>左滑 / 右滑翻页，左右点击翻页，中间点击显示/隐藏 UI。</div>' +
'<div style="margin-top:8px;"><b>智能显示：</b></div>' +
'<div>直式图优先左右贴边，横式图优先上下贴边；双页模式会尽量兼顾左右贴边与上下完整，并让两页靠近置中。</div>' +
'<div style="margin-top:8px;"><b>主动收图：</b></div>' +
'<div>会主动扫描 DOM、懒加载属性、srcset、背景图与脚本中的图片网址，并预热图片，以提高自动启动时的完整度。</div>' +
'<div style="margin-top:8px;"><b>自动翻页 / 摇晃翻页 / 下一章：</b></div>' +
'<div>自动翻页与摇晃翻页互斥；其中一方开启时会自动关闭另一方。到最后一页后，如果已开启自动下一章，才会再等待 5 秒自动跳下一章。</div>'
}
};
const STATE = {
overlay: null,
pages: [],
index: 0,
mode: 'single',
fullscreen: false,
preloadCount: 12,
isOpen: false,
touchStartX: 0,
touchStartY: 0,
touchMoved: false,
keyHandlerBound: false,
resizeHandlerBound: false,
fullscreenHandlerBound: false,
visibilityHandlerBound: false,
scrollLocked: false,
autoNextEnabled: true,
autoNextDelay: 5000,
autoNextTimer: null,
autoNextTarget: null,
autoPlayEnabled: false,
autoPlayDelay: 3000,
autoPlayTimer: null,
shakePagingEnabled: false,
shakeSensitivity: 3,
shakeLastTriggerTime: 0,
shakeHandlerBound: false,
shakeGravity: { x: 0, y: 0, z: 0 },
shakeLastLinear: { x: 0, y: 0, z: 0 },
shakeEnergy: 0,
shakeWarmupFrames: 0,
shakeLastMotionTime: 0,
moreOpen: false,
wakeLockSentinel: null,
wakeLockSupported: 'wakeLock' in navigator,
restoreUiHidden: false,
ruleDialogOpen: false,
ruleEditIndex: -1,
proactiveCandidates: [],
proactiveMetaMap: new Map(),
proactiveDoneCount: 0,
lang: loadLanguage(),
config: {
minWidth: 240,
minHeight: 320,
minArea: 120000,
aspectMin: 0.2,
aspectMax: 3.8,
proactiveMaxCandidates: 300,
proactiveConcurrency: 8
}
};
const STYLE = `
#umr-overlay {
position: fixed;
inset: 0;
z-index: 2147483646;
background: #000;
color: #fff;
display: flex;
flex-direction: column;
font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
user-select: none;
overflow: hidden;
}
#umr-overlay.umr-hidden {
display: none !important;
}
#umr-topbar {
height: 44px;
min-height: 44px;
display: flex;
align-items: center;
padding: 6px 12px;
background: linear-gradient(to bottom, rgba(0,0,0,.82), rgba(0,0,0,.14));
backdrop-filter: blur(8px);
z-index: 5;
transition: opacity .2s ease;
}
#umr-overlay.umr-ui-hidden #umr-topbar,
#umr-overlay.umr-ui-hidden #umr-bottombar,
#umr-overlay.umr-ui-hidden #umr-more-panel {
opacity: 0;
pointer-events: none;
}
#umr-topbar .umr-title {
font-size: 13px;
opacity: .9;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
width: 100%;
text-align: center;
}
.umr-btn {
height: 34px;
border: 1px solid rgba(255,255,255,.14);
background: rgba(255,255,255,.08);
color: #fff;
border-radius: 10px;
padding: 0 12px;
cursor: pointer;
font-size: 12px;
transition: .18s ease;
white-space: nowrap;
flex: 0 0 auto;
}
.umr-btn:hover {
background: rgba(255,255,255,.14);
}
.umr-btn.umr-active {
background: rgba(255,255,255,.22);
border-color: rgba(255,255,255,.28);
}
.umr-btn.umr-danger {
border-color: rgba(255,255,255,.18);
}
.umr-icon-btn {
width: 34px;
min-width: 34px;
padding: 0;
display: inline-flex;
align-items: center;
justify-content: center;
font-size: 16px;
line-height: 1;
}
#umr-stage {
flex: 1;
position: relative;
overflow: hidden;
background: #000;
}
#umr-book {
position: absolute;
inset: 0;
display: flex;
align-items: center;
justify-content: center;
gap: 2px;
padding: 0;
overflow: hidden;
perspective: 1400px;
background: #000;
}
#umr-book.umr-book-double {
gap: 8px;
justify-content: center;
padding: 0 12px;
}
.umr-pageWrap {
width: 50%;
max-width: 50%;
height: 100%;
max-height: 100%;
display: flex;
align-items: center;
justify-content: center;
transform-style: preserve-3d;
transition: transform .24s ease, opacity .2s ease, width .16s ease;
position: relative;
overflow: hidden;
background: #000;
}
.umr-pageWrap.single {
width: 100%;
max-width: 100%;
height: 100%;
max-height: 100%;
}
.umr-pageWrap.double {
width: auto;
max-width: none;
flex: 0 0 auto;
overflow: visible;
}
.umr-pageWrap.turn-next {
animation: umrTurnNext .22s ease;
transform-origin: left center;
}
.umr-pageWrap.turn-prev {
animation: umrTurnPrev .22s ease;
transform-origin: right center;
}
@keyframes umrTurnNext {
0% { transform: rotateY(0deg) scale(1); opacity: 1; }
50% { transform: rotateY(-12deg) scale(.992); opacity: .95; }
100% { transform: rotateY(0deg) scale(1); opacity: 1; }
}
@keyframes umrTurnPrev {
0% { transform: rotateY(0deg) scale(1); opacity: 1; }
50% { transform: rotateY(12deg) scale(.992); opacity: .95; }
100% { transform: rotateY(0deg) scale(1); opacity: 1; }
}
.umr-page {
display: block;
border-radius: 0;
box-shadow: none;
background: #000;
max-width: 100%;
max-height: 100%;
image-rendering: auto;
pointer-events: none;
object-fit: contain;
}
.umr-pageWrap.single.portrait .umr-page {
width: 100%;
height: auto;
max-width: 100%;
max-height: 100%;
}
.umr-pageWrap.single.landscape .umr-page,
.umr-pageWrap.single.square .umr-page {
height: 100%;
width: auto;
max-height: 100%;
max-width: 100%;
}
.umr-pageWrap.double .umr-page {
width: 100%;
height: auto;
max-width: 100%;
max-height: 100%;
object-fit: contain;
}
.umr-pageMeta {
position: absolute;
left: 8px;
bottom: 8px;
background: rgba(0,0,0,.42);
font-size: 11px;
padding: 4px 8px;
border-radius: 999px;
opacity: .5;
pointer-events: none;
}
.umr-nav-zone {
position: absolute;
top: 0;
bottom: 0;
width: 30%;
z-index: 2;
cursor: pointer;
background: transparent;
}
.umr-nav-left { left: 0; }
.umr-nav-right { right: 0; }
.umr-nav-center {
position: absolute;
left: 30%;
right: 30%;
top: 0;
bottom: 0;
z-index: 1;
}
#umr-ui-unlock {
position: absolute;
top: 10px;
right: 10px;
z-index: 9;
width: 38px;
height: 38px;
border: 1px solid rgba(255,255,255,.18);
background: rgba(0,0,0,.45);
color: #fff;
border-radius: 999px;
display: none;
align-items: center;
justify-content: center;
font-size: 16px;
line-height: 1;
backdrop-filter: blur(8px);
cursor: pointer;
box-shadow: 0 4px 14px rgba(0,0,0,.28);
}
#umr-overlay.umr-ui-hidden #umr-ui-unlock {
display: flex;
}
#umr-ui-unlock:active {
transform: scale(.96);
}
#umr-bottombar {
min-height: 76px;
padding: 8px 12px 10px;
background: linear-gradient(to top, rgba(0,0,0,.90), rgba(0,0,0,.20));
backdrop-filter: blur(8px);
display: flex;
flex-direction: column;
gap: 8px;
z-index: 5;
transition: opacity .2s ease;
}
#umr-control-row {
display: flex;
gap: 8px;
flex-wrap: nowrap;
justify-content: flex-start;
align-items: center;
overflow-x: auto;
overflow-y: hidden;
scrollbar-width: none;
-ms-overflow-style: none;
padding-bottom: 2px;
}
#umr-control-row::-webkit-scrollbar {
display: none;
}
#umr-progress-row {
display: flex;
align-items: center;
gap: 12px;
}
#umr-progress {
flex: 1;
height: 6px;
background: rgba(255,255,255,.12);
border-radius: 999px;
position: relative;
cursor: pointer;
}
#umr-progress-fill {
position: absolute;
left: 0;
top: 0;
bottom: 0;
width: 0%;
border-radius: 999px;
background: rgba(255,255,255,.9);
}
#umr-progress-handle {
position: absolute;
top: 50%;
width: 14px;
height: 14px;
border-radius: 50%;
background: #fff;
transform: translate(-50%, -50%);
left: 0%;
box-shadow: 0 2px 12px rgba(255,255,255,.35);
}
#umr-counter {
min-width: 92px;
text-align: right;
font-size: 13px;
opacity: .92;
flex: 0 0 auto;
}
#umr-toast {
position: absolute;
left: 50%;
bottom: 94px;
transform: translateX(-50%);
background: rgba(0,0,0,.74);
color: #fff;
padding: 8px 12px;
border-radius: 999px;
font-size: 12px;
opacity: 0;
pointer-events: none;
transition: opacity .2s ease, transform .2s ease;
z-index: 12;
max-width: min(92vw, 560px);
text-align: center;
}
#umr-toast.show {
opacity: 1;
transform: translateX(-50%) translateY(-4px);
}
#umr-loader {
position: absolute;
inset: 0;
z-index: 11;
display: flex;
align-items: center;
justify-content: center;
background: rgba(0,0,0,.78);
flex-direction: column;
gap: 10px;
color: #fff;
}
.umr-spinner {
width: 34px;
height: 34px;
border-radius: 50%;
border: 3px solid rgba(255,255,255,.18);
border-top-color: rgba(255,255,255,.95);
animation: umrSpin .8s linear infinite;
}
@keyframes umrSpin {
to { transform: rotate(360deg); }
}
#umr-more-panel {
position: absolute;
left: 10px;
right: 10px;
bottom: 84px;
z-index: 10;
border-radius: 16px;
background: rgba(10,10,10,.94);
border: 1px solid rgba(255,255,255,.10);
backdrop-filter: blur(10px);
box-shadow: 0 16px 36px rgba(0,0,0,.45);
padding: 12px;
display: none;
transform: translateY(16px);
opacity: 0;
transition: opacity .22s ease, transform .22s ease;
}
#umr-more-panel.show {
display: block;
opacity: 1;
transform: translateY(0);
}
#umr-more-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
gap: 8px;
}
.umr-more-item {
width: 100%;
justify-content: center;
}
#umr-help {
position: absolute;
right: 0;
left: 0;
bottom: calc(100% + 10px);
margin: 0 auto;
width: min(420px, calc(100vw - 40px));
background: rgba(8,8,8,.96);
border: 1px solid rgba(255,255,255,.1);
border-radius: 14px;
padding: 12px;
font-size: 13px;
line-height: 1.55;
display: none;
box-shadow: 0 12px 30px rgba(0,0,0,.45);
}
#umr-help.show {
display: block;
}
#umr-rule-dialog-backdrop {
position: absolute;
inset: 0;
z-index: 20;
background: rgba(0,0,0,.52);
display: none;
align-items: center;
justify-content: center;
padding: 18px;
}
#umr-rule-dialog-backdrop.show {
display: flex;
}
#umr-rule-dialog {
width: min(760px, 100%);
max-height: min(84vh, 860px);
background: rgba(10,10,10,.97);
border: 1px solid rgba(255,255,255,.10);
border-radius: 18px;
box-shadow: 0 18px 44px rgba(0,0,0,.48);
display: flex;
flex-direction: column;
overflow: hidden;
backdrop-filter: blur(12px);
}
#umr-rule-toolbar {
display: flex;
align-items: center;
gap: 8px;
padding: 12px;
border-bottom: 1px solid rgba(255,255,255,.08);
}
#umr-rule-title {
flex: 1;
font-size: 14px;
opacity: .95;
}
#umr-rule-body {
padding: 12px;
overflow: auto;
display: flex;
flex-direction: column;
gap: 12px;
}
.umr-rule-tip {
font-size: 12px;
line-height: 1.5;
opacity: .72;
background: rgba(255,255,255,.04);
border: 1px solid rgba(255,255,255,.06);
border-radius: 12px;
padding: 10px 12px;
}
#umr-rule-list {
display: flex;
flex-direction: column;
gap: 8px;
}
.umr-rule-row {
display: flex;
align-items: center;
gap: 8px;
border: 1px solid rgba(255,255,255,.08);
background: rgba(255,255,255,.04);
border-radius: 12px;
padding: 10px;
}
.umr-rule-text {
flex: 1;
min-width: 0;
font-size: 12px;
opacity: .92;
word-break: break-all;
}
#umr-rule-empty {
font-size: 12px;
opacity: .65;
text-align: center;
padding: 16px 10px;
border: 1px dashed rgba(255,255,255,.10);
border-radius: 12px;
}
#umr-rule-editor {
display: none;
flex-direction: column;
gap: 8px;
border: 1px solid rgba(255,255,255,.08);
background: rgba(255,255,255,.04);
border-radius: 12px;
padding: 12px;
}
#umr-rule-editor.show {
display: flex;
}
#umr-rule-textarea {
width: 100%;
min-height: 110px;
resize: vertical;
background: rgba(0,0,0,.35);
color: #fff;
border: 1px solid rgba(255,255,255,.12);
border-radius: 10px;
padding: 10px;
font-size: 12px;
line-height: 1.45;
box-sizing: border-box;
}
.umr-rule-editor-actions {
display: flex;
gap: 8px;
flex-wrap: wrap;
}
@media (max-width: 860px) {
#umr-topbar {
height: 44px;
min-height: 44px;
padding: 6px 10px;
}
.umr-btn {
height: 32px;
font-size: 12px;
padding: 0 10px;
}
.umr-icon-btn {
width: 32px;
min-width: 32px;
}
#umr-ui-unlock {
top: 8px;
right: 8px;
width: 36px;
height: 36px;
font-size: 15px;
}
#umr-bottombar {
min-height: 82px;
padding: 8px 10px 10px;
}
.umr-nav-zone {
width: 30%;
}
.umr-nav-center {
left: 30%;
right: 30%;
}
#umr-toast {
bottom: 98px;
}
#umr-more-panel {
left: 8px;
right: 8px;
bottom: 88px;
}
#umr-rule-dialog-backdrop {
padding: 10px;
}
#umr-rule-dialog {
max-height: 88vh;
}
#umr-rule-toolbar {
flex-wrap: wrap;
}
}
`;
GM_addStyle(STYLE);
GM_registerMenuCommand(t('menu_open'), openReader);
GM_registerMenuCommand(t('menu_close'), closeReader);
function loadLanguage() {
try {
const v = localStorage.getItem(UMR_LANG_KEY);
if (v === 'en' || v === 'zh') return v;
} catch {}
return 'en';
}
function saveLanguage(lang) {
try {
localStorage.setItem(UMR_LANG_KEY, lang);
} catch {}
}
function t(key, vars) {
const langTable = I18N[STATE.lang] || I18N.en;
const fallbackTable = I18N.en;
const value = langTable[key] ?? fallbackTable[key] ?? key;
if (typeof value === 'function') return value(vars || {});
return value;
}
function tf(key, vars) {
return String(t(key, vars));
}
function escapeHtml(text) {
return String(text)
.replaceAll('&', '&')
.replaceAll('<', '<')
.replaceAll('>', '>')
.replaceAll('"', '"')
.replaceAll("'", ''');
}
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
function debounce(fn, wait = 100) {
let tmr = null;
return (...args) => {
clearTimeout(tmr);
tmr = setTimeout(() => fn(...args), wait);
};
}
function safeText(v) {
return String(v || '').trim();
}
function normalizeUrl(url) {
try {
if (!url) return '';
if (url.startsWith('data:')) return '';
if (url.startsWith('blob:')) return '';
return new URL(url, location.href).href;
} catch {
return '';
}
}
function getAutoOpenRules() {
try {
const raw = localStorage.getItem(UMR_AUTO_RULES_KEY);
if (!raw) return [];
const parsed = JSON.parse(raw);
if (!Array.isArray(parsed)) return [];
return parsed.filter(x => typeof x === 'string' && x.trim());
} catch {
return [];
}
}
function saveAutoOpenRules(rules) {
try {
localStorage.setItem(UMR_AUTO_RULES_KEY, JSON.stringify(rules));
} catch {}
}
function wildcardToRegex(pattern) {
const escaped = String(pattern)
.replace(/[.+?^${}()|[\]\\]/g, '\\$&')
.replace(/\*/g, '.*');
return new RegExp(`^${escaped}$`, 'i');
}
function matchesAutoOpenRule(url) {
const rules = getAutoOpenRules();
return rules.some(rule => {
try {
return wildcardToRegex(rule).test(url);
} catch {
return false;
}
});
}
async function requestMotionPermissionIfNeeded() {
try {
if (typeof DeviceMotionEvent === 'undefined') return false;
if (typeof DeviceMotionEvent.requestPermission === 'function') {
const result = await DeviceMotionEvent.requestPermission();
return result === 'granted';
}
return true;
} catch {
return false;
}
}
function getShakeConfig() {
return SHAKE_CONFIG_MAP[STATE.shakeSensitivity] || SHAKE_CONFIG_MAP[3];
}
function resetShakeDetector() {
STATE.shakeGravity = { x: 0, y: 0, z: 0 };
STATE.shakeLastLinear = { x: 0, y: 0, z: 0 };
STATE.shakeEnergy = 0;
STATE.shakeWarmupFrames = 0;
STATE.shakeLastMotionTime = 0;
STATE.shakeLastTriggerTime = 0;
}
function onDeviceMotion(event) {
if (!STATE.isOpen || !STATE.shakePagingEnabled) return;
const acc = event.accelerationIncludingGravity || event.acceleration;
if (!acc) return;
const x = Number(acc.x || 0);
const y = Number(acc.y || 0);
const z = Number(acc.z || 0);
const cfg = getShakeConfig();
const alpha = 0.84;
STATE.shakeGravity.x = alpha * STATE.shakeGravity.x + (1 - alpha) * x;
STATE.shakeGravity.y = alpha * STATE.shakeGravity.y + (1 - alpha) * y;
STATE.shakeGravity.z = alpha * STATE.shakeGravity.z + (1 - alpha) * z;
const lx = x - STATE.shakeGravity.x;
const ly = y - STATE.shakeGravity.y;
const lz = z - STATE.shakeGravity.z;
if (STATE.shakeWarmupFrames < 8) {
STATE.shakeLastLinear = { x: lx, y: ly, z: lz };
STATE.shakeWarmupFrames++;
return;
}
const jx = lx - STATE.shakeLastLinear.x;
const jy = ly - STATE.shakeLastLinear.y;
const jz = lz - STATE.shakeLastLinear.z;
STATE.shakeLastLinear = { x: lx, y: ly, z: lz };
const jerkMagnitude = Math.sqrt(jx * jx + jy * jy + jz * jz);
const linearMagnitude = Math.sqrt(lx * lx + ly * ly + lz * lz);
const dominantAxis = Math.max(Math.abs(jx), Math.abs(jy), Math.abs(jz));
const intervalMs = Math.max(12, Number(event.interval || 16));
const dtFactor = Math.min(1.35, Math.max(0.75, 16 / intervalMs));
const pulse = Math.max(
jerkMagnitude * 0.95,
dominantAxis * 1.12,
linearMagnitude * 0.42
) * dtFactor;
STATE.shakeEnergy = STATE.shakeEnergy * cfg.decay + pulse;
STATE.shakeLastMotionTime = Date.now();
const now = Date.now();
const enoughCooldown = now - STATE.shakeLastTriggerTime > cfg.cooldown;
const triggered =
enoughCooldown &&
(STATE.shakeEnergy >= cfg.burst || (pulse >= cfg.threshold && STATE.shakeEnergy >= cfg.threshold * 1.55));
if (triggered) {
STATE.shakeLastTriggerTime = now;
STATE.shakeEnergy = 0;
nextPage();
return;
}
if (now - STATE.shakeLastMotionTime > 260) {
STATE.shakeEnergy *= 0.65;
}
}
function bindShakeMotionIfNeeded() {
if (STATE.shakeHandlerBound) return;
if (typeof window === 'undefined' || typeof DeviceMotionEvent === 'undefined') return;
window.addEventListener('devicemotion', onDeviceMotion, { passive: true });
STATE.shakeHandlerBound = true;
}
function saveReaderState() {
try {
const stateToSave = {
mode: STATE.mode,
autoNextEnabled: STATE.autoNextEnabled,
autoPlayEnabled: STATE.autoPlayEnabled,
autoPlayDelay: STATE.autoPlayDelay,
shakePagingEnabled: STATE.shakePagingEnabled,
shakeSensitivity: STATE.shakeSensitivity,
uiHidden: !!STATE.overlay?.classList.contains('umr-ui-hidden'),
lang: STATE.lang
};
sessionStorage.setItem(UMR_STATE_KEY, JSON.stringify(stateToSave));
} catch {}
}
function loadReaderState() {
STATE.restoreUiHidden = false;
try {
const raw = sessionStorage.getItem(UMR_STATE_KEY);
if (!raw) return;
const saved = JSON.parse(raw);
if (!saved || typeof saved !== 'object') return;
if (saved.mode === 'single' || saved.mode === 'double') {
STATE.mode = saved.mode;
}
if (typeof saved.autoNextEnabled === 'boolean') {
STATE.autoNextEnabled = saved.autoNextEnabled;
}
if (typeof saved.autoPlayEnabled === 'boolean') {
STATE.autoPlayEnabled = saved.autoPlayEnabled;
}
if ([3000, 5000, 7000, 10000].includes(saved.autoPlayDelay)) {
STATE.autoPlayDelay = saved.autoPlayDelay;
}
if (typeof saved.shakePagingEnabled === 'boolean') {
STATE.shakePagingEnabled = saved.shakePagingEnabled;
}
if (SHAKE_SENSITIVITY_LEVELS.includes(saved.shakeSensitivity)) {
STATE.shakeSensitivity = saved.shakeSensitivity;
}
if (saved.lang === 'en' || saved.lang === 'zh') {
STATE.lang = saved.lang;
}
if (saved.shakePagingEnabled && saved.autoPlayEnabled) {
STATE.autoPlayEnabled = false;
}
STATE.restoreUiHidden = !!saved.uiHidden;
} catch {}
}
function clearAutoNextTimer() {
if (STATE.autoNextTimer) {
clearTimeout(STATE.autoNextTimer);
STATE.autoNextTimer = null;
}
STATE.autoNextTarget = null;
}
function clearAutoPlayTimer() {
if (STATE.autoPlayTimer) {
clearTimeout(STATE.autoPlayTimer);
STATE.autoPlayTimer = null;
}
}
function clearAllAsyncTimers() {
clearAutoNextTimer();
clearAutoPlayTimer();
}
function scheduleAutoNextIfNeeded() {
clearAutoNextTimer();
if (!STATE.isOpen || !STATE.autoNextEnabled || !isAtLastPage()) return;
const candidate = findNextChapterCandidate();
STATE.autoNextTarget = candidate;
if (!candidate) {
showToast(tf('toast_last_page_no_next'));
return;
}
showToast(tf('toast_last_page_auto_next', { seconds: Math.round(STATE.autoNextDelay / 1000) }));
STATE.autoNextTimer = setTimeout(() => {
const latestCandidate = findNextChapterCandidate() || candidate;
if (!latestCandidate) {
showToast(tf('toast_auto_next_failed_no_target'));
return;
}
const ok = jumpToNextChapter(latestCandidate);
if (!ok) showToast(tf('toast_auto_next_failed_open'));
}, STATE.autoNextDelay);
}
function scheduleAutoPlayIfNeeded() {
clearAutoPlayTimer();
if (!STATE.isOpen || !STATE.autoPlayEnabled || !STATE.pages.length) return;
if (isAtLastPage()) {
scheduleAutoNextIfNeeded();
return;
}
STATE.autoPlayTimer = setTimeout(() => {
if (!STATE.isOpen || !STATE.autoPlayEnabled) return;
if (isAtLastPage()) {
scheduleAutoNextIfNeeded();
return;
}
nextPage(true);
}, STATE.autoPlayDelay);
}
function updateTopbar() {
if (!STATE.overlay) return;
const title = STATE.overlay.querySelector('#umr-title');
if (title) {
title.textContent = tf('app_title_with_count', {
title: document.title || tf('app_title'),
count: STATE.pages.length
});
}
}
function updateControls() {
if (!STATE.overlay) return;
const autoPlayBtn = STATE.overlay.querySelector('#umr-auto-play');
const autoPlayDelayBtn = STATE.overlay.querySelector('#umr-auto-play-delay');
const moreBtn = STATE.overlay.querySelector('#umr-more-toggle');
const modeBtn = STATE.overlay.querySelector('#umr-mode');
const autoNextBtn = STATE.overlay.querySelector('#umr-auto-next');
const shakeBtn = STATE.overlay.querySelector('#umr-shake-toggle');
const shakeSensitivityBtn = STATE.overlay.querySelector('#umr-shake-sensitivity');
const uiToggleBtn = STATE.overlay.querySelector('#umr-ui-toggle');
const langBtn = STATE.overlay.querySelector('#umr-language-toggle');
if (autoPlayBtn) autoPlayBtn.classList.toggle('umr-active', STATE.autoPlayEnabled);
if (autoPlayBtn) autoPlayBtn.textContent = tf('auto_play');
if (autoPlayDelayBtn) autoPlayDelayBtn.textContent = tf('btn_seconds', { seconds: Math.round(STATE.autoPlayDelay / 1000) });
if (moreBtn) {
moreBtn.classList.toggle('umr-active', STATE.moreOpen);
moreBtn.textContent = tf('more');
}
if (modeBtn) modeBtn.textContent = STATE.mode === 'single' ? tf('mode_single') : tf('mode_double');
if (autoNextBtn) {
autoNextBtn.classList.toggle('umr-active', STATE.autoNextEnabled);
autoNextBtn.textContent = tf('auto_next');
}
if (shakeBtn) {
shakeBtn.classList.toggle('umr-active', STATE.shakePagingEnabled);
shakeBtn.textContent = tf('shake_paging');
}
if (shakeSensitivityBtn) shakeSensitivityBtn.textContent = tf('shake_sensitivity', { level: STATE.shakeSensitivity });
if (uiToggleBtn) {
uiToggleBtn.textContent = STATE.overlay.classList.contains('umr-ui-hidden') ? tf('show_ui') : tf('hide_ui');
}
if (langBtn) {
langBtn.textContent = `${tf('language')}: ${STATE.lang === 'en' ? tf('language_en') : tf('language_zh')}`;
}
const fullscreenBtn = STATE.overlay.querySelector('#umr-fullscreen');
const closeBtn = STATE.overlay.querySelector('#umr-close');
const uiUnlock = STATE.overlay.querySelector('#umr-ui-unlock');
const helpToggle = STATE.overlay.querySelector('#umr-help-toggle');
const autoOpenManager = STATE.overlay.querySelector('#umr-auto-open-manager');
const ruleTitle = STATE.overlay.querySelector('#umr-rule-title');
const ruleSave = STATE.overlay.querySelector('#umr-rule-save');
const ruleCancel = STATE.overlay.querySelector('#umr-rule-cancel');
const ruleDeleteCurrent = STATE.overlay.querySelector('#umr-rule-delete-current');
const ruleTextarea = STATE.overlay.querySelector('#umr-rule-textarea');
const help = STATE.overlay.querySelector('#umr-help');
const ruleTip = STATE.overlay.querySelector('.umr-rule-tip');
if (fullscreenBtn) fullscreenBtn.title = tf('btn_fullscreen_title');
if (closeBtn) closeBtn.title = tf('btn_close_title');
if (uiUnlock) uiUnlock.title = tf('btn_ui_unlock_title');
if (helpToggle) helpToggle.textContent = tf('help');
if (autoOpenManager) autoOpenManager.textContent = tf('auto_open_manager');
if (ruleTitle) ruleTitle.textContent = tf('rule_dialog_title');
if (ruleSave) ruleSave.textContent = tf('save');
if (ruleCancel) ruleCancel.textContent = tf('cancel');
if (ruleDeleteCurrent) ruleDeleteCurrent.textContent = tf('delete');
if (ruleTextarea) ruleTextarea.placeholder = tf('rule_input_placeholder');
if (help) help.innerHTML = tf('help_html');
if (ruleTip) ruleTip.innerHTML = tf('rule_tip_html');
}
function updateProgress() {
if (!STATE.overlay || !STATE.pages.length) return;
const counter = STATE.overlay.querySelector('#umr-counter');
const fill = STATE.overlay.querySelector('#umr-progress-fill');
const handle = STATE.overlay.querySelector('#umr-progress-handle');
const current = getCurrentVisibleLastPageIndex() + 1;
const total = STATE.pages.length;
const baseIndex = Math.min(STATE.index, total - 1);
const ratio = total <= 1 ? 0 : baseIndex / (total - 1);
const percent = ratio * 100;
if (counter) counter.textContent = `${current} / ${total}`;
if (fill) fill.style.width = `${percent}%`;
if (handle) handle.style.left = `${percent}%`;
}
function renderRuleList() {
if (!STATE.overlay) return;
const listEl = STATE.overlay.querySelector('#umr-rule-list');
if (!listEl) return;
const rules = getAutoOpenRules();
if (!rules.length) {
listEl.innerHTML = `<div id="umr-rule-empty">${escapeHtml(tf('rule_empty'))}</div>`;
return;
}
listEl.innerHTML = rules.map((rule, index) => `
<div class="umr-rule-row">
<div class="umr-rule-text">${escapeHtml(rule)}</div>
<button class="umr-btn" data-rule-edit="${index}">${escapeHtml(tf('edit'))}</button>
<button class="umr-btn umr-danger" data-rule-delete="${index}">${escapeHtml(tf('delete'))}</button>
</div>
`).join('');
listEl.querySelectorAll('[data-rule-edit]').forEach(btn => {
btn.addEventListener('click', () => startRuleEdit(Number(btn.getAttribute('data-rule-edit'))));
});
listEl.querySelectorAll('[data-rule-delete]').forEach(btn => {
btn.addEventListener('click', () => deleteRule(Number(btn.getAttribute('data-rule-delete'))));
});
}
function openRuleDialog() {
if (!STATE.overlay) return;
const backdrop = STATE.overlay.querySelector('#umr-rule-dialog-backdrop');
if (!backdrop) return;
STATE.ruleDialogOpen = true;
backdrop.classList.add('show');
renderRuleList();
cancelRuleEdit();
}
function closeRuleDialog() {
if (!STATE.overlay) return;
const backdrop = STATE.overlay.querySelector('#umr-rule-dialog-backdrop');
if (!backdrop) return;
STATE.ruleDialogOpen = false;
backdrop.classList.remove('show');
cancelRuleEdit();
}
function startRuleEdit(index = -1) {
if (!STATE.overlay) return;
const editor = STATE.overlay.querySelector('#umr-rule-editor');
const textarea = STATE.overlay.querySelector('#umr-rule-textarea');
const deleteBtn = STATE.overlay.querySelector('#umr-rule-delete-current');
if (!editor || !textarea || !deleteBtn) return;
STATE.ruleEditIndex = index;
if (index >= 0) {
const rules = getAutoOpenRules();
textarea.value = rules[index] || '';
deleteBtn.style.display = 'inline-flex';
} else {
textarea.value = location.href;
deleteBtn.style.display = 'none';
}
editor.classList.add('show');
textarea.focus();
textarea.select();
}
function cancelRuleEdit() {
if (!STATE.overlay) return;
const editor = STATE.overlay.querySelector('#umr-rule-editor');
const textarea = STATE.overlay.querySelector('#umr-rule-textarea');
if (!editor || !textarea) return;
STATE.ruleEditIndex = -1;
textarea.value = '';
editor.classList.remove('show');
}
function saveRuleFromEditor() {
if (!STATE.overlay) return;
const textarea = STATE.overlay.querySelector('#umr-rule-textarea');
if (!textarea) return;
const value = textarea.value.trim();
if (!value) {
showToast(tf('toast_enter_rule'));
return;
}
const rules = getAutoOpenRules();
if (STATE.ruleEditIndex >= 0 && STATE.ruleEditIndex < rules.length) {
rules[STATE.ruleEditIndex] = value;
} else {
rules.push(value);
}
saveAutoOpenRules(rules);
renderRuleList();
cancelRuleEdit();
showToast(tf('toast_rule_saved'));
}
function deleteRule(index) {
const rules = getAutoOpenRules();
if (index < 0 || index >= rules.length) return;
rules.splice(index, 1);
saveAutoOpenRules(rules);
renderRuleList();
if (STATE.ruleEditIndex === index) {
cancelRuleEdit();
} else if (STATE.ruleEditIndex > index) {
STATE.ruleEditIndex--;
}
showToast(tf('toast_rule_deleted'));
}
function deleteCurrentEditingRule() {
if (STATE.ruleEditIndex < 0) return;
deleteRule(STATE.ruleEditIndex);
}
function showToast(text, ms = 1800) {
if (!STATE.overlay) return;
const toast = STATE.overlay.querySelector('#umr-toast');
if (!toast) return;
toast.textContent = text;
toast.classList.add('show');
clearTimeout(showToast._timer);
showToast._timer = setTimeout(() => {
toast.classList.remove('show');
}, ms);
}
function showLoader(text = tf('loader_processing')) {
if (!STATE.overlay) return;
const loader = STATE.overlay.querySelector('#umr-loader');
const loaderText = STATE.overlay.querySelector('#umr-loader-text');
if (loaderText) loaderText.textContent = text;
if (loader) loader.style.display = 'flex';
}
function hideLoader() {
if (!STATE.overlay) return;
const loader = STATE.overlay.querySelector('#umr-loader');
if (loader) loader.style.display = 'none';
}
function lockPageScroll() {
if (STATE.scrollLocked) return;
document.documentElement.style.overflow = 'hidden';
document.body.style.overflow = 'hidden';
STATE.scrollLocked = true;
}
function unlockPageScroll() {
if (!STATE.scrollLocked) return;
document.documentElement.style.overflow = '';
document.body.style.overflow = '';
STATE.scrollLocked = false;
}
async function requestWakeLock() {
if (!STATE.wakeLockSupported || document.visibilityState !== 'visible') return;
try {
STATE.wakeLockSentinel = await navigator.wakeLock.request('screen');
} catch {}
}
async function releaseWakeLock() {
try {
await STATE.wakeLockSentinel?.release();
} catch {}
STATE.wakeLockSentinel = null;
}
async function refreshWakeLockOnVisibility() {
if (!STATE.isOpen) return;
if (document.visibilityState === 'visible') {
await requestWakeLock();
} else {
await releaseWakeLock();
}
}
function extractUrlsFromSrcset(srcset) {
if (!srcset) return [];
return String(srcset)
.split(',')
.map(part => {
const m = part.trim().match(/^(.+?)(?:\s+\d+(?:\.\d+)?[wx])?$/);
return normalizeUrl(m ? m[1].trim() : '');
})
.filter(Boolean);
}
function extractUrlsFromStyleBackground(styleText) {
const result = [];
if (!styleText) return result;
const regex = /url\((['"]?)(.*?)\1\)/ig;
let m;
while ((m = regex.exec(styleText))) {
const url = normalizeUrl(m[2]);
if (url) result.push(url);
}
return result;
}
function uniquePush(list, seen, url) {
if (!url || seen.has(url)) return;
seen.add(url);
list.push(url);
}
function collectCandidateUrlsFromImg(img) {
const urls = [];
const attrs = [
img.currentSrc,
img.src,
img.getAttribute('data-src'),
img.getAttribute('data-original'),
img.getAttribute('data-lazy-src'),
img.getAttribute('data-url'),
img.getAttribute('data-echo'),
img.getAttribute('data-cfsrc'),
img.getAttribute('data-pagespeed-lazy-src'),
img.getAttribute('data-lazy'),
img.getAttribute('data-image'),
img.getAttribute('data-file'),
img.getAttribute('data-thumb')
];
attrs.forEach(v => {
const u = normalizeUrl(v);
if (u) urls.push(u);
});
extractUrlsFromSrcset(img.srcset || img.getAttribute('data-srcset') || '').forEach(u => urls.push(u));
return urls;
}
function collectCandidateUrlsFromDocument() {
const urls = [];
const seen = new Set();
document.querySelectorAll('img').forEach(img => {
collectCandidateUrlsFromImg(img).forEach(u => uniquePush(urls, seen, u));
});
document.querySelectorAll('source').forEach(source => {
extractUrlsFromSrcset(source.srcset || source.getAttribute('data-srcset') || '').forEach(u => uniquePush(urls, seen, u));
});
document.querySelectorAll('[style]').forEach(el => {
const styleAttr = el.getAttribute('style') || '';
extractUrlsFromStyleBackground(styleAttr).forEach(u => uniquePush(urls, seen, u));
});
Array.from(document.querySelectorAll('a[href]')).forEach(a => {
const href = normalizeUrl(a.getAttribute('href'));
if (/\.(?:jpg|jpeg|png|webp|gif|bmp|avif)(?:$|\?)/i.test(href)) {
uniquePush(urls, seen, href);
}
});
const htmlText = document.documentElement?.outerHTML || '';
const regex = /(["'`])((?:https?:)?\/\/[^"'`\s<>]+?\.(?:jpg|jpeg|png|webp|gif|bmp|avif)(?:\?[^"'`\s<>]*)?|\/[^"'`\s<>]+?\.(?:jpg|jpeg|png|webp|gif|bmp|avif)(?:\?[^"'`\s<>]*)?)\1/ig;
let match;
while ((match = regex.exec(htmlText))) {
const u = normalizeUrl(match[2]);
uniquePush(urls, seen, u);
}
return urls.slice(0, STATE.config.proactiveMaxCandidates);
}
async function ensureLazyImagesVisible() {
const lazySelectors = [
'img[loading="lazy"]',
'img[data-src]',
'img[data-original]',
'img[data-lazy-src]',
'img[data-url]',
'img[data-echo]',
'img[data-cfsrc]',
'img[data-pagespeed-lazy-src]',
'img[data-lazy]',
'img[data-image]',
'img[data-file]',
'source[data-srcset]'
];
document.querySelectorAll(lazySelectors.join(',')).forEach(el => {
if (el.tagName === 'IMG') {
const img = el;
const candidates = [
img.getAttribute('data-src'),
img.getAttribute('data-original'),
img.getAttribute('data-lazy-src'),
img.getAttribute('data-url'),
img.getAttribute('data-echo'),
img.getAttribute('data-cfsrc'),
img.getAttribute('data-pagespeed-lazy-src'),
img.getAttribute('data-lazy'),
img.getAttribute('data-image'),
img.getAttribute('data-file')
].filter(Boolean);
if ((!img.src || img.src.startsWith('data:')) && candidates[0]) img.src = candidates[0];
if (!img.srcset && img.dataset?.srcset) img.srcset = img.dataset.srcset;
try {
img.loading = 'eager';
img.decoding = 'sync';
img.fetchPriority = 'high';
} catch {}
} else if (el.tagName === 'SOURCE') {
const srcset = el.getAttribute('data-srcset');
if (srcset && !el.srcset) el.srcset = srcset;
}
});
const allImgs = Array.from(document.images);
allImgs.forEach(img => {
try {
img.loading = 'eager';
img.decoding = 'sync';
img.fetchPriority = 'high';
} catch {}
});
const originalY = window.scrollY;
const maxScroll = Math.max(
document.documentElement.scrollHeight,
document.body.scrollHeight
);
const step = Math.max(480, Math.floor(window.innerHeight * 0.9));
for (let y = 0; y <= maxScroll; y += step) {
window.scrollTo(0, y);
await sleep(40);
}
window.scrollTo(0, maxScroll);
await sleep(120);
window.scrollTo(0, originalY);
await sleep(80);
}
function getPageImageLoadSummary() {
const images = Array.from(document.images);
let loaded = 0;
let largeLoaded = 0;
images.forEach(img => {
const w = img.naturalWidth || img.width || 0;
const h = img.naturalHeight || img.height || 0;
if (w > 0 && h > 0) loaded++;
if (w >= STATE.config.minWidth && h >= STATE.config.minHeight) largeLoaded++;
});
return { total: images.length, loaded, largeLoaded };
}
async function warmImageUrl(url, timeoutMs = 9000) {
if (!url) return null;
if (STATE.proactiveMetaMap.has(url)) {
const cached = STATE.proactiveMetaMap.get(url);
if (cached && cached.ok) return cached;
}
return new Promise(resolve => {
const img = new Image();
let settled = false;
const done = (payload) => {
if (settled) return;
settled = true;
clearTimeout(timer);
resolve(payload);
};
img.decoding = 'async';
img.referrerPolicy = 'no-referrer-when-downgrade';
img.onload = () => {
const meta = {
src: url,
width: img.naturalWidth || 0,
height: img.naturalHeight || 0,
ok: true,
fromProbe: true
};
STATE.proactiveMetaMap.set(url, meta);
done(meta);
};
img.onerror = () => {
const meta = { src: url, width: 0, height: 0, ok: false, fromProbe: true };
STATE.proactiveMetaMap.set(url, meta);
done(meta);
};
const timer = setTimeout(() => {
const meta = { src: url, width: 0, height: 0, ok: false, fromProbe: true, timeout: true };
STATE.proactiveMetaMap.set(url, meta);
done(meta);
}, timeoutMs);
img.src = url;
});
}
async function proactiveDiscoverAndWarmImages() {
STATE.proactiveDoneCount = 0;
STATE.proactiveCandidates = collectCandidateUrlsFromDocument();
const total = STATE.proactiveCandidates.length;
if (!total) return;
const queue = STATE.proactiveCandidates.slice(0);
const workers = [];
const concurrency = Math.min(STATE.config.proactiveConcurrency, total);
for (let i = 0; i < concurrency; i++) {
workers.push((async () => {
while (queue.length) {
const url = queue.shift();
if (!url) break;
await warmImageUrl(url);
STATE.proactiveDoneCount++;
if (STATE.overlay) {
showLoader(tf('loader_detecting_progress', { done: STATE.proactiveDoneCount, total }));
}
}
})());
}
await Promise.all(workers);
}
function scoreContainerHint(el) {
if (!el) return 0;
const text = [
el.className || '',
el.id || '',
el.getAttribute?.('data-role') || '',
el.getAttribute?.('role') || ''
].join(' ');
return /manga|comic|chapter|viewer|reader|page|content|image|img|post/i.test(text) ? 12 : 0;
}
function smartCollectMangaPages() {
const seen = new Set();
const result = [];
const viewportArea = Math.max(1, window.innerWidth * window.innerHeight);
const minArea = Math.min(STATE.config.minArea, Math.floor(viewportArea * 0.22));
const allImgs = Array.from(document.images);
allImgs.forEach((img, idx) => {
const urls = collectCandidateUrlsFromImg(img);
const src = urls.find(Boolean);
if (!src || seen.has(src)) return;
const width = img.naturalWidth || img.width || 0;
const height = img.naturalHeight || img.height || 0;
if (!width || !height) return;
const area = width * height;
const ratio = width / Math.max(1, height);
if (width < STATE.config.minWidth) return;
if (height < STATE.config.minHeight) return;
if (area < minArea) return;
if (ratio < STATE.config.aspectMin || ratio > STATE.config.aspectMax) return;
const rect = img.getBoundingClientRect();
const score =
Math.min(area / 100000, 100) +
(rect.top >= -window.innerHeight && rect.top <= document.documentElement.clientHeight * 3 ? 8 : 0) +
scoreContainerHint(img.closest('[class],[id]')) +
(/page|comic|manga|chapter|content|viewer|reader/i.test(
[
img.className,
img.id,
img.alt,
img.closest('[class],[id]')?.className || '',
img.closest('[class],[id]')?.id || ''
].join(' ')
) ? 12 : 0);
result.push({
src,
alt: img.alt || '',
width,
height,
score,
order: idx,
from: 'dom'
});
seen.add(src);
});
STATE.proactiveCandidates.forEach((src, idx) => {
if (!src || seen.has(src)) return;
const meta = STATE.proactiveMetaMap.get(src);
if (!meta || !meta.ok) return;
const width = meta.width || 0;
const height = meta.height || 0;
if (!width || !height) return;
const area = width * height;
const ratio = width / Math.max(1, height);
if (width < STATE.config.minWidth) return;
if (height < STATE.config.minHeight) return;
if (area < minArea) return;
if (ratio < STATE.config.aspectMin || ratio > STATE.config.aspectMax) return;
let score = Math.min(area / 100000, 90);
if (/chapter|comic|manga|page|reader|viewer/i.test(src)) score += 8;
if (/\.webp|\.jpg|\.jpeg|\.png/i.test(src)) score += 4;
result.push({
src,
alt: '',
width,
height,
score,
order: 100000 + idx,
from: 'probe'
});
seen.add(src);
});
result.sort((a, b) => a.order - b.order);
return result.filter((page, i, arr) => {
const prev = arr[i - 1];
if (!prev) return true;
return page.src !== prev.src;
});
}
function preloadAround(index) {
if (!STATE.pages.length) return;
const max = Math.min(STATE.pages.length - 1, index + STATE.preloadCount);
const min = Math.max(0, index - 2);
for (let i = min; i <= max; i++) {
const src = STATE.pages[i]?.src;
if (!src) continue;
const img = new Image();
img.decoding = 'async';
img.src = src;
}
}
function findNextChapterCandidate() {
const keywords = [
'下一章', '下页', '下一頁', '下一话', '下一話', '下一回', '下一卷',
'next', 'next chapter', 'next page', 'older', '继续', '繼續'
];
const selectors = [
'a[href]',
'button',
'[role="button"]',
'[onclick]'
];
const nodes = Array.from(document.querySelectorAll(selectors.join(',')));
let best = null;
let bestScore = -Infinity;
nodes.forEach(node => {
const text = (node.textContent || node.getAttribute('aria-label') || node.title || '').trim();
const href = node.href || node.getAttribute('href') || '';
const hay = `${text} ${href}`.toLowerCase();
if (!keywords.some(k => hay.includes(k.toLowerCase()))) return;
const rect = node.getBoundingClientRect();
let score = 0;
if (keywords.some(k => text.toLowerCase().includes(k.toLowerCase()))) score += 40;
if (/chapter|chap|page|next|下/.test(href.toLowerCase())) score += 20;
if (rect.right > window.innerWidth * 0.55) score += 8;
if (rect.top > window.innerHeight * 0.35) score += 5;
if (node.offsetParent) score += 3;
if (score > bestScore) {
bestScore = score;
best = node;
}
});
return best;
}
function jumpToNextChapter(target) {
if (!target) return false;
try {
sessionStorage.setItem(AUTO_NEXT_FLAG, '1');
} catch {}
try {
if (target.href) {
location.href = target.href;
return true;
}
target.click();
return true;
} catch {
return false;
}
}
function computeDoublePageWidths(renderList, stageRect) {
const gap = 8;
const sidePadding = 24;
const usableHeight = Math.max(100, stageRect.height || window.innerHeight);
const availableWidth = Math.max(160, (stageRect.width || window.innerWidth) - sidePadding - gap);
const naturalWidths = renderList.map(page => {
const pw = Math.max(1, Number(page?.width || 1));
const ph = Math.max(1, Number(page?.height || 1));
return Math.max(60, (pw / ph) * usableHeight);
});
const totalNatural = naturalWidths.reduce((a, b) => a + b, 0);
const scale = totalNatural > availableWidth ? availableWidth / totalNatural : 1;
return naturalWidths.map(w => Math.max(60, Math.floor(w * scale)));
}
function getVisiblePages() {
if (STATE.mode === 'single') return [STATE.pages[STATE.index]].filter(Boolean);
const first = STATE.pages[STATE.index];
const second = STATE.pages[STATE.index + 1];
return [first, second].filter(Boolean);
}
function classifyPageShape(page, forceDouble = false) {
if (!page) return 'portrait';
const ratio = (page.width || 1) / (page.height || 1);
if (forceDouble) {
if (ratio > 1.2) return 'landscape';
if (ratio > 0.88) return 'square';
return 'portrait';
}
if (ratio > 1.05) return 'landscape';
if (ratio > 0.9) return 'square';
return 'portrait';
}
function renderPages(direction = '') {
if (!STATE.overlay || !STATE.pages.length) return;
const book = STATE.overlay.querySelector('#umr-book');
const stage = STATE.overlay.querySelector('#umr-stage');
if (!book || !stage) return;
book.innerHTML = '';
const renderList = getVisiblePages();
const isDouble = STATE.mode === 'double';
const stageRect = stage.getBoundingClientRect();
const doubleWidths = isDouble ? computeDoublePageWidths(renderList, stageRect) : [];
book.classList.toggle('umr-book-double', isDouble);
renderList.forEach((page, i) => {
const shape = classifyPageShape(page, isDouble);
const wrap = document.createElement('div');
wrap.className = [
'umr-pageWrap',
isDouble ? 'double' : 'single',
shape,
direction ? `turn-${direction}` : ''
].filter(Boolean).join(' ');
if (isDouble) {
const targetWidth = doubleWidths[i] || 120;
wrap.style.width = `${targetWidth}px`;
wrap.style.maxWidth = `${targetWidth}px`;
wrap.style.flex = `0 0 ${targetWidth}px`;
} else {
wrap.style.width = '';
wrap.style.maxWidth = '';
wrap.style.flex = '';
}
const img = document.createElement('img');
img.className = 'umr-page';
img.src = page.src;
img.alt = page.alt || `Page ${STATE.index + i + 1}`;
img.draggable = false;
img.decoding = 'async';
img.loading = 'eager';
const meta = document.createElement('div');
meta.className = 'umr-pageMeta';
meta.textContent = `${page.width}×${page.height}`;
wrap.appendChild(img);
wrap.appendChild(meta);
book.appendChild(wrap);
});
updateTopbar();
updateControls();
updateProgress();
preloadAround(STATE.index);
clearAutoNextTimer();
scheduleAutoPlayIfNeeded();
if (!STATE.autoPlayEnabled && isAtLastPage()) {
scheduleAutoNextIfNeeded();
}
}
function nextPage(fromAutoPlay = false) {
if (!STATE.pages.length) return;
clearAutoNextTimer();
clearAutoPlayTimer();
const step = getCurrentStep();
const next = Math.min(STATE.pages.length - 1, STATE.index + step);
if (next === STATE.index) {
if (!fromAutoPlay) showToast(tf('toast_already_last'));
scheduleAutoNextIfNeeded();
return;
}
STATE.index = next;
renderPages('next');
}
function prevPage() {
if (!STATE.pages.length) return;
clearAllAsyncTimers();
const step = getCurrentStep();
const prev = Math.max(0, STATE.index - step);
if (prev === STATE.index) {
showToast(tf('toast_already_first'));
return;
}
STATE.index = prev;
renderPages('prev');
}
function goToPage(index) {
const safeIndex = Math.max(0, Math.min(STATE.pages.length - 1, index));
if (safeIndex === STATE.index) return;
const direction = safeIndex > STATE.index ? 'next' : 'prev';
clearAllAsyncTimers();
STATE.index = safeIndex;
renderPages(direction);
}
function isAtLastPage() {
if (!STATE.pages.length) return false;
if (STATE.mode === 'double') return STATE.index >= STATE.pages.length - 2 || STATE.index >= STATE.pages.length - 1;
return STATE.index >= STATE.pages.length - 1;
}
function getCurrentStep() {
return STATE.mode === 'double' ? 2 : 1;
}
function getCurrentVisibleLastPageIndex() {
if (!STATE.pages.length) return 0;
if (STATE.mode === 'double') return Math.min(STATE.pages.length - 1, STATE.index + 1);
return STATE.index;
}
function toggleMode() {
clearAllAsyncTimers();
STATE.mode = STATE.mode === 'single' ? 'double' : 'single';
saveReaderState();
renderPages();
showToast(STATE.mode === 'single' ? tf('toast_mode_single') : tf('toast_mode_double'));
}
function toggleUI(force) {
if (!STATE.overlay) return;
if (typeof force === 'boolean') {
STATE.overlay.classList.toggle('umr-ui-hidden', force);
} else {
STATE.overlay.classList.toggle('umr-ui-hidden');
}
saveReaderState();
updateControls();
}
function toggleMore(force) {
if (!STATE.overlay) return;
const panel = STATE.overlay.querySelector('#umr-more-panel');
if (!panel) return;
STATE.moreOpen = typeof force === 'boolean' ? force : !STATE.moreOpen;
panel.classList.toggle('show', STATE.moreOpen);
updateControls();
}
function toggleAutoNext() {
STATE.autoNextEnabled = !STATE.autoNextEnabled;
saveReaderState();
updateControls();
clearAutoNextTimer();
if (!STATE.autoNextEnabled) {
showToast(tf('toast_auto_next_off'));
return;
}
showToast(tf('toast_auto_next_on'));
if (isAtLastPage()) scheduleAutoNextIfNeeded();
}
function toggleAutoPlay() {
STATE.autoPlayEnabled = !STATE.autoPlayEnabled;
if (STATE.autoPlayEnabled && STATE.shakePagingEnabled) {
STATE.shakePagingEnabled = false;
resetShakeDetector();
showToast(tf('toast_shake_off_due_autoplay'));
}
saveReaderState();
updateControls();
updateProgress();
clearAutoPlayTimer();
clearAutoNextTimer();
if (!STATE.autoPlayEnabled) {
showToast(tf('toast_auto_play_off'));
return;
}
showToast(tf('toast_auto_play_on', { seconds: Math.round(STATE.autoPlayDelay / 1000) }));
scheduleAutoPlayIfNeeded();
}
function cycleAutoPlayDelay() {
const options = [3000, 5000, 7000, 10000];
const idx = options.indexOf(STATE.autoPlayDelay);
STATE.autoPlayDelay = options[(idx + 1) % options.length];
saveReaderState();
updateControls();
updateProgress();
if (STATE.autoPlayEnabled) {
clearAutoPlayTimer();
scheduleAutoPlayIfNeeded();
}
}
async function toggleShakePaging() {
if (!STATE.shakePagingEnabled) {
const granted = await requestMotionPermissionIfNeeded();
if (!granted) {
showToast(tf('toast_motion_permission_denied'));
return;
}
bindShakeMotionIfNeeded();
if (STATE.autoPlayEnabled) {
STATE.autoPlayEnabled = false;
clearAutoPlayTimer();
}
STATE.shakePagingEnabled = true;
resetShakeDetector();
saveReaderState();
updateControls();
updateProgress();
showToast(tf('toast_shake_on', { level: STATE.shakeSensitivity }));
return;
}
STATE.shakePagingEnabled = false;
resetShakeDetector();
saveReaderState();
updateControls();
showToast(tf('toast_shake_off'));
}
function cycleShakeSensitivity() {
const idx = SHAKE_SENSITIVITY_LEVELS.indexOf(STATE.shakeSensitivity);
STATE.shakeSensitivity = SHAKE_SENSITIVITY_LEVELS[(idx + 1) % SHAKE_SENSITIVITY_LEVELS.length];
resetShakeDetector();
saveReaderState();
updateControls();
showToast(tf('toast_shake_sensitivity', { level: STATE.shakeSensitivity }));
}
async function toggleFullscreen() {
if (!STATE.overlay) return;
try {
if (!document.fullscreenElement) {
await STATE.overlay.requestFullscreen();
} else {
await document.exitFullscreen();
}
} catch {
showToast(tf('toast_fullscreen_fail'));
}
}
function syncFullscreenState() {
STATE.fullscreen = !!document.fullscreenElement;
const btn = STATE.overlay?.querySelector('#umr-fullscreen');
if (btn) btn.classList.toggle('umr-active', STATE.fullscreen);
}
function toggleLanguage() {
STATE.lang = STATE.lang === 'en' ? 'zh' : 'en';
saveLanguage(STATE.lang);
saveReaderState();
applyI18nToOverlay();
renderRuleList();
updateTopbar();
updateControls();
updateProgress();
showToast(tf('toast_lang_switched', { lang: STATE.lang === 'en' ? tf('language_en') : tf('language_zh') }));
}
function applyI18nToOverlay() {
if (!STATE.overlay) return;
updateTopbar();
updateControls();
renderRuleList();
}
async function openReader() {
createOverlay();
if (!STATE.overlay) return;
clearAllAsyncTimers();
toggleMore(false);
STATE.overlay.classList.remove('umr-hidden');
STATE.isOpen = true;
lockPageScroll();
await requestWakeLock();
showLoader(tf('loader_trigger_lazy'));
await ensureLazyImagesVisible();
const summary = getPageImageLoadSummary();
console.log('[UMR] Initial image load summary:', summary);
showLoader(tf('loader_detect_sources'));
await proactiveDiscoverAndWarmImages();
const finalSummary = getPageImageLoadSummary();
console.log('[UMR] Final image load summary:', finalSummary, 'probe=', STATE.proactiveMetaMap.size);
showLoader(tf('loader_analyzing_pages', {
domCount: finalSummary.largeLoaded,
probeCount: STATE.proactiveMetaMap.size
}));
STATE.pages = smartCollectMangaPages();
if (!STATE.pages.length) {
showLoader(tf('loader_no_pages'));
showToast(tf('toast_not_found_pages'));
return;
}
STATE.index = 0;
loadReaderState();
applyI18nToOverlay();
bindShakeMotionIfNeeded();
if (STATE.shakePagingEnabled) {
resetShakeDetector();
}
hideLoader();
renderPages();
if (STATE.restoreUiHidden) {
toggleUI(true);
} else {
toggleUI(false);
}
preloadAround(0);
showToast(tf('toast_loaded_pages', { count: STATE.pages.length }));
}
async function closeReader() {
saveReaderState();
clearAllAsyncTimers();
if (!STATE.overlay) return;
STATE.isOpen = false;
toggleMore(false);
toggleUI(false);
closeRuleDialog();
STATE.overlay.classList.add('umr-hidden');
unlockPageScroll();
await releaseWakeLock();
const help = STATE.overlay.querySelector('#umr-help');
if (help) help.classList.remove('show');
if (document.fullscreenElement) {
document.exitFullscreen().catch(() => {});
}
}
function createOverlay() {
if (STATE.overlay) return STATE.overlay;
const overlay = document.createElement('div');
overlay.id = 'umr-overlay';
overlay.className = 'umr-hidden';
overlay.innerHTML = `
<div id="umr-topbar">
<div class="umr-title" id="umr-title">${escapeHtml(tf('app_title'))}</div>
</div>
<div id="umr-stage">
<div class="umr-nav-zone umr-nav-left"></div>
<div class="umr-nav-center"></div>
<div class="umr-nav-zone umr-nav-right"></div>
<button id="umr-ui-unlock" class="umr-icon-btn" title="${escapeHtml(tf('btn_ui_unlock_title'))}">✕</button>
<div id="umr-book"></div>
<div id="umr-toast"></div>
<div id="umr-loader">
<div class="umr-spinner"></div>
<div id="umr-loader-text">${escapeHtml(tf('loader_analyzing_current_page'))}</div>
</div>
<div id="umr-rule-dialog-backdrop">
<div id="umr-rule-dialog">
<div id="umr-rule-toolbar">
<div id="umr-rule-title">${escapeHtml(tf('rule_dialog_title'))}</div>
<button class="umr-btn" id="umr-rule-add">+</button>
<button class="umr-btn umr-icon-btn" id="umr-rule-close" title="${escapeHtml(tf('close'))}">✕</button>
</div>
<div id="umr-rule-body">
<div class="umr-rule-tip">${tf('rule_tip_html')}</div>
<div id="umr-rule-list"></div>
<div id="umr-rule-editor">
<textarea id="umr-rule-textarea" spellcheck="false" placeholder="${escapeHtml(tf('rule_input_placeholder'))}"></textarea>
<div class="umr-rule-editor-actions">
<button class="umr-btn" id="umr-rule-save">${escapeHtml(tf('save'))}</button>
<button class="umr-btn" id="umr-rule-cancel">${escapeHtml(tf('cancel'))}</button>
<button class="umr-btn umr-danger" id="umr-rule-delete-current">${escapeHtml(tf('delete'))}</button>
</div>
</div>
</div>
</div>
</div>
</div>
<div id="umr-bottombar">
<div id="umr-more-panel">
<div id="umr-help">${tf('help_html')}</div>
<div id="umr-more-grid">
<button class="umr-btn umr-more-item" id="umr-mode">${escapeHtml(tf('mode_single'))}</button>
<button class="umr-btn umr-more-item umr-active" id="umr-auto-next">${escapeHtml(tf('auto_next'))}</button>
<button class="umr-btn umr-more-item" id="umr-shake-toggle">${escapeHtml(tf('shake_paging'))}</button>
<button class="umr-btn umr-more-item" id="umr-shake-sensitivity">${escapeHtml(tf('shake_sensitivity', { level: 3 }))}</button>
<button class="umr-btn umr-more-item" id="umr-auto-open-manager">${escapeHtml(tf('auto_open_manager'))}</button>
<button class="umr-btn umr-more-item" id="umr-language-toggle">${escapeHtml(tf('language'))}: ${escapeHtml(tf('language_en'))}</button>
<button class="umr-btn umr-more-item" id="umr-help-toggle">${escapeHtml(tf('help'))}</button>
</div>
</div>
<div id="umr-control-row">
<button class="umr-btn" id="umr-auto-play">${escapeHtml(tf('auto_play'))}</button>
<button class="umr-btn" id="umr-auto-play-delay">${escapeHtml(tf('btn_seconds', { seconds: 3 }))}</button>
<button class="umr-btn" id="umr-ui-toggle">${escapeHtml(tf('hide_ui'))}</button>
<button class="umr-btn umr-icon-btn" id="umr-fullscreen" title="${escapeHtml(tf('btn_fullscreen_title'))}">⛶</button>
<button class="umr-btn umr-icon-btn" id="umr-close" title="${escapeHtml(tf('btn_close_title'))}">✕</button>
<button class="umr-btn" id="umr-more-toggle">${escapeHtml(tf('more'))}</button>
</div>
<div id="umr-progress-row">
<div id="umr-progress">
<div id="umr-progress-fill"></div>
<div id="umr-progress-handle"></div>
</div>
<div id="umr-counter">0 / 0</div>
</div>
</div>
`;
document.body.appendChild(overlay);
STATE.overlay = overlay;
bindOverlayEvents();
applyI18nToOverlay();
return overlay;
}
function bindOverlayEvents() {
const overlay = document.getElementById('umr-overlay');
if (!overlay) return;
const stage = overlay.querySelector('#umr-stage');
overlay.querySelector('#umr-close').addEventListener('click', closeReader);
overlay.querySelector('#umr-auto-play').addEventListener('click', toggleAutoPlay);
overlay.querySelector('#umr-auto-play-delay').addEventListener('click', cycleAutoPlayDelay);
overlay.querySelector('#umr-auto-next').addEventListener('click', toggleAutoNext);
overlay.querySelector('#umr-mode').addEventListener('click', toggleMode);
overlay.querySelector('#umr-shake-toggle').addEventListener('click', toggleShakePaging);
overlay.querySelector('#umr-shake-sensitivity').addEventListener('click', cycleShakeSensitivity);
overlay.querySelector('#umr-auto-open-manager').addEventListener('click', openRuleDialog);
overlay.querySelector('#umr-language-toggle').addEventListener('click', toggleLanguage);
overlay.querySelector('#umr-fullscreen').addEventListener('click', toggleFullscreen);
overlay.querySelector('#umr-ui-toggle').addEventListener('click', toggleUI);
overlay.querySelector('#umr-more-toggle').addEventListener('click', () => toggleMore());
overlay.querySelector('#umr-help-toggle').addEventListener('click', () => {
overlay.querySelector('#umr-help').classList.toggle('show');
});
overlay.querySelector('#umr-ui-unlock').addEventListener('click', (e) => {
e.stopPropagation();
if (overlay.classList.contains('umr-ui-hidden')) {
toggleUI(false);
}
});
overlay.querySelector('#umr-rule-close').addEventListener('click', closeRuleDialog);
overlay.querySelector('#umr-rule-add').addEventListener('click', () => startRuleEdit(-1));
overlay.querySelector('#umr-rule-save').addEventListener('click', saveRuleFromEditor);
overlay.querySelector('#umr-rule-cancel').addEventListener('click', cancelRuleEdit);
overlay.querySelector('#umr-rule-delete-current').addEventListener('click', deleteCurrentEditingRule);
overlay.querySelector('#umr-rule-dialog-backdrop').addEventListener('click', (e) => {
if (e.target === overlay.querySelector('#umr-rule-dialog-backdrop')) {
closeRuleDialog();
}
});
overlay.querySelector('.umr-nav-left').addEventListener('click', () => prevPage());
overlay.querySelector('.umr-nav-right').addEventListener('click', () => nextPage());
overlay.querySelector('.umr-nav-center').addEventListener('click', () => toggleUI());
const progress = overlay.querySelector('#umr-progress');
progress.addEventListener('click', (e) => {
if (!STATE.pages.length) return;
const rect = progress.getBoundingClientRect();
const ratio = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width));
const target = Math.round(ratio * Math.max(STATE.pages.length - 1, 0));
goToPage(target);
});
stage.addEventListener('touchstart', (e) => {
if (!e.touches[0]) return;
STATE.touchStartX = e.touches[0].clientX;
STATE.touchStartY = e.touches[0].clientY;
STATE.touchMoved = false;
}, { passive: true });
stage.addEventListener('touchmove', (e) => {
if (!e.touches[0]) return;
const dx = e.touches[0].clientX - STATE.touchStartX;
const dy = e.touches[0].clientY - STATE.touchStartY;
if (Math.abs(dx) > 12 || Math.abs(dy) > 12) STATE.touchMoved = true;
}, { passive: true });
stage.addEventListener('touchend', (e) => {
const touch = e.changedTouches[0];
if (!touch) return;
const dx = touch.clientX - STATE.touchStartX;
const dy = touch.clientY - STATE.touchStartY;
if (!STATE.touchMoved) {
const width = window.innerWidth;
if (touch.clientX < width * 0.30) prevPage();
else if (touch.clientX > width * 0.70) nextPage();
else toggleUI();
return;
}
if (Math.abs(dx) > 50 && Math.abs(dx) > Math.abs(dy)) {
if (dx < 0) nextPage();
else prevPage();
}
}, { passive: true });
if (!STATE.keyHandlerBound) {
document.addEventListener('keydown', onKeydown, true);
STATE.keyHandlerBound = true;
}
if (!STATE.resizeHandlerBound) {
window.addEventListener('resize', debounce(() => {
if (STATE.isOpen) renderPages();
}, 80));
STATE.resizeHandlerBound = true;
}
if (!STATE.fullscreenHandlerBound) {
document.addEventListener('fullscreenchange', syncFullscreenState, true);
STATE.fullscreenHandlerBound = true;
}
if (!STATE.visibilityHandlerBound) {
document.addEventListener('visibilitychange', refreshWakeLockOnVisibility, true);
STATE.visibilityHandlerBound = true;
}
}
function onKeydown(e) {
if (!STATE.isOpen) return;
const key = String(e.key || '').toLowerCase();
if (key === 'arrowright' || key === 'd' || key === ' ') {
e.preventDefault();
nextPage();
} else if (key === 'arrowleft' || key === 'a') {
e.preventDefault();
prevPage();
} else if (key === 'escape') {
if (STATE.ruleDialogOpen) {
e.preventDefault();
closeRuleDialog();
return;
}
e.preventDefault();
closeReader();
} else if (key === 'f') {
e.preventDefault();
toggleFullscreen();
} else if (key === 'm') {
e.preventDefault();
toggleMode();
} else if (key === 'u') {
e.preventDefault();
toggleUI();
} else if (key === 'n') {
e.preventDefault();
toggleAutoNext();
} else if (key === 'p') {
e.preventDefault();
toggleAutoPlay();
} else if (key === 't') {
e.preventDefault();
cycleAutoPlayDelay();
} else if (key === 'l') {
e.preventDefault();
toggleLanguage();
}
}
async function bootAutoOpenIfNeeded() {
let fromNext = false;
try {
fromNext = sessionStorage.getItem(AUTO_NEXT_FLAG) === '1';
if (fromNext) sessionStorage.removeItem(AUTO_NEXT_FLAG);
} catch {}
const fromRule = matchesAutoOpenRule(location.href);
if (!fromNext && !fromRule) return;
await sleep(700);
await openReader();
}
bootAutoOpenIfNeeded();
})();