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feat: code by Trae: kindle mode
1 parent ad5d395 commit 607d06e

3 files changed

Lines changed: 405 additions & 201 deletions

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‎epub_browser/assets/book.js‎

Lines changed: 87 additions & 47 deletions
Original file line numberDiff line numberDiff line change
@@ -62,41 +62,49 @@ function showNotification(message, type) {
6262

6363
// 页面加载时恢复顺序
6464
function restoreOrder(storageKey, elementClass) {
65-
var savedOrder = localStorage.getItem(storageKey);
66-
if (savedOrder) {
67-
var itemIds = JSON.parse(savedOrder);
68-
var container = document.querySelector(`.${elementClass}`);
69-
70-
// 按照保存的顺序重新排列元素
71-
itemIds.forEach(function(id) {
72-
var element = document.querySelector('[data-id="' + id + '"]');
73-
if (element) {
74-
container.appendChild(element);
75-
}
76-
});
65+
try {
66+
var savedOrder = localStorage.getItem(storageKey);
67+
if (savedOrder) {
68+
var itemIds = JSON.parse(savedOrder);
69+
var container = document.querySelector(`.${elementClass}`);
70+
71+
// 按照保存的顺序重新排列元素
72+
itemIds.forEach(function(id) {
73+
var element = document.querySelector('[data-id="' + id + '"]');
74+
if (element) {
75+
container.appendChild(element);
76+
}
77+
});
78+
}
79+
} catch (e) {
80+
// localStorage 不可用，跳过恢复顺序
7781
}
7882
}
7983

8084
// 删除指定前缀的所有 localStorage 键
8185
function deleteKeysByPrefix(prefix) {
8286
const keysToDelete = [];
8387

84-
// 遍历 localStorage 中的所有键
85-
for (let i = 0; i < localStorage.length; i++) {
86-
const key = localStorage.key(i);
87-
88-
// 检查键是否以指定前缀开头
89-
if (key.startsWith(prefix)) {
90-
keysToDelete.push(key);
88+
try {
89+
// 遍历 localStorage 中的所有键
90+
for (let i = 0; i < localStorage.length; i++) {
91+
const key = localStorage.key(i);
92+
93+
// 检查键是否以指定前缀开头
94+
if (key.startsWith(prefix)) {
95+
keysToDelete.push(key);
96+
}
9197
}
98+
99+
// 删除匹配的键
100+
keysToDelete.forEach(key => {
101+
localStorage.removeItem(key);
102+
console.log(`Deleted: ${key}`);
103+
});
104+
} catch (e) {
105+
// localStorage 不可用，跳过删除
92106
}
93107

94-
// 删除匹配的键
95-
keysToDelete.forEach(key => {
96-
localStorage.removeItem(key);
97-
console.log(`Deleted: ${key}`);
98-
});
99-
100108
return keysToDelete.length;
101109
}
102110

@@ -139,27 +147,39 @@ function initScript() {
139147
// 拖拽
140148
var el = document.querySelector('.container');
141149
if (!isKindleMode()) {
142-
var sortable = Sortable.create(el, {
143-
delay: 300, // 延迟300ms后才开始拖动，避免移动端滑动时误触发
144-
delayOnTouchOnly: true, // 只在触摸设备上应用延迟
145-
filter: '.toc-container', // 允许直接选择文字
146-
preventOnFilter: false, // 过滤时不阻止默认行为
147-
onEnd: function(evt) {
148-
// 获取所有项目的ID
149-
var itemIds = Array.from(evt.from.children).map(function(child) {
150-
return child.dataset.id;
150+
try {
151+
var sortable = Sortable.create(el, {
152+
delay: 300, // 延迟300ms后才开始拖动，避免移动端滑动时误触发
153+
delayOnTouchOnly: true, // 只在触摸设备上应用延迟
154+
filter: '.toc-container', // 允许直接选择文字
155+
preventOnFilter: false, // 过滤时不阻止默认行为
156+
onEnd: function(evt) {
157+
// 获取所有项目的ID
158+
var itemIds = Array.from(evt.from.children).map(function(child) {
159+
return child.dataset.id;
160+
});
161+
// 保存到 localStorage
162+
try {
163+
localStorage.setItem(storageKeySortableContainer, JSON.stringify(itemIds));
164+
} catch (e) {
165+
// localStorage 不可用，跳过保存
166+
}
167+
}
151168
});
152-
// 保存到 localStorage
153-
localStorage.setItem(storageKeySortableContainer, JSON.stringify(itemIds));
169+
} catch (e) {
170+
// 拖拽功能初始化失败，跳过
154171
}
155-
});
156172
}
157173

158174
// 书籍目录锚点删除
159175
const anchor = window.location.hash;
160176
if (!isKindleMode()) {
161177
if (anchor === '' || !anchor.startsWith('#chapter_')) {
162-
localStorage.removeItem(book_hash); // 此时 lastPart 就是 book_hash
178+
try {
179+
localStorage.removeItem(book_hash); // 此时 lastPart 就是 book_hash
180+
} catch (e) {
181+
// localStorage 不可用，跳过
182+
}
163183
}
164184
} else {
165185
if (anchor === '' || !anchor.startsWith('#chapter_')) {
@@ -176,9 +196,13 @@ function initScript() {
176196
// 检查本地存储中的主题设置
177197
let currentTheme = 'light';
178198
if (!isKindleMode()) {
179-
currentTheme = localStorage.getItem('theme');
180-
fontFamily = localStorage.getItem('font_family') || "system-ui, -apple-system, sans-serif";
181-
fontFamilyInput = localStorage.getItem('font_family_input');
199+
try {
200+
currentTheme = localStorage.getItem('theme');
201+
fontFamily = localStorage.getItem('font_family') || "system-ui, -apple-system, sans-serif";
202+
fontFamilyInput = localStorage.getItem('font_family_input');
203+
} catch (e) {
204+
// localStorage 不可用，使用默认值
205+
}
182206
} else {
183207
currentTheme = getCookie('theme');
184208
fontFamily = getCookie('font_family') || "system-ui, -apple-system, sans-serif";
@@ -202,15 +226,23 @@ function initScript() {
202226
themeIcon.classList.remove('fa-moon');
203227
themeIcon.classList.add('fa-sun');
204228
if (!isKindleMode()) {
205-
localStorage.setItem('theme', 'dark');
229+
try {
230+
localStorage.setItem('theme', 'dark');
231+
} catch (e) {
232+
// localStorage 不可用，跳过保存
233+
}
206234
} else {
207235
setCookie('theme', 'dark');
208236
}
209237
} else {
210238
themeIcon.classList.remove('fa-sun');
211239
themeIcon.classList.add('fa-moon');
212240
if (!isKindleMode()) {
213-
localStorage.setItem('theme', 'light');
241+
try {
242+
localStorage.setItem('theme', 'light');
243+
} catch (e) {
244+
// localStorage 不可用，跳过保存
245+
}
214246
} else {
215247
setCookie('theme', 'light');
216248
}
@@ -252,16 +284,24 @@ function initBookShelfButton(bookHash) {
252284

253285
// 获取书架数据
254286
function getBookshelf() {
255-
const data = localStorage.getItem(BOOKSHELF_KEY);
256-
if (data) {
257-
return JSON.parse(data);
287+
try {
288+
const data = localStorage.getItem(BOOKSHELF_KEY);
289+
if (data) {
290+
return JSON.parse(data);
291+
}
292+
} catch (e) {
293+
// localStorage 不可用，返回空书架
258294
}
259295
return { items: [], groups: {} };
260296
}
261297

262298
// 保存书架数据
263299
function saveBookshelf(data) {
264-
localStorage.setItem(BOOKSHELF_KEY, JSON.stringify(data));
300+
try {
301+
localStorage.setItem(BOOKSHELF_KEY, JSON.stringify(data));
302+
} catch (e) {
303+
// localStorage 不可用，跳过保存
304+
}
265305
}
266306

267307
// 检查书籍是否在书架中（包括所有分组）

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