From dd50659355cf17ea736b758ed1e47a3788903ea8 Mon Sep 17 00:00:00 2001
From: Hakadao <a578457889743@gmail.com>
Date: Thu, 2 Jan 2025 02:13:23 +0800
Subject: [PATCH] fix: top bar covering content (#1235) resolve #1235

---
 src/components/ALink.vue                      |  8 ++-
 src/components/TopBar/OldTopBar.vue           |  1 +
 src/components/TopBar/TopBar.vue              |  8 ++-
 .../components/BewlyOrBiliPageSwitcher.vue    | 28 ++++++--
 src/constants/globalEvents.ts                 |  2 +
 src/contentScripts/index.ts                   |  3 +-
 src/contentScripts/views/App.vue              | 72 +++++++++++++------
 src/stores/settingsStore.ts                   | 23 ++++++
 src/utils/iframeMessaging.ts                  | 42 +++++++++++
 9 files changed, 154 insertions(+), 33 deletions(-)
 create mode 100644 src/stores/settingsStore.ts
 create mode 100644 src/utils/iframeMessaging.ts

diff --git a/src/components/ALink.vue b/src/components/ALink.vue
index cedaf95a..835dc1a9 100644
--- a/src/components/ALink.vue
+++ b/src/components/ALink.vue
@@ -25,17 +25,19 @@ const openMode = computed(() => {
   return 'newTab'
 })
 
+// Since BewlyBewly sometimes uses an iframe to open the original Bilibili page in the current tab
+// please set the target to `_top` instead of `_self`
 const target = computed(() => {
   if (openMode.value === 'newTab') {
     return '_blank'
   }
   if (openMode.value === 'currentTabIfNotHomepage') {
-    return isHomePage() ? '_blank' : '_self'
+    return isHomePage() ? '_blank' : '_top'
   }
   if (openMode.value === 'currentTab') {
-    return '_self'
+    return '_top'
   }
-  return '_self'
+  return '_top'
 })
 
 function handleClick(event: MouseEvent) {
diff --git a/src/components/TopBar/OldTopBar.vue b/src/components/TopBar/OldTopBar.vue
index 7a356456..9d3b2d84 100644
--- a/src/components/TopBar/OldTopBar.vue
+++ b/src/components/TopBar/OldTopBar.vue
@@ -488,6 +488,7 @@ defineExpose({
           >
             <a
               ref="logo" href="//www.bilibili.com"
+              target="_top"
               class="group logo"
               :class="{ activated: popupVisible.channels }"
               style="backdrop-filter: var(--bew-filter-glass-1);"
diff --git a/src/components/TopBar/TopBar.vue b/src/components/TopBar/TopBar.vue
index 1a9de110..d7199563 100644
--- a/src/components/TopBar/TopBar.vue
+++ b/src/components/TopBar/TopBar.vue
@@ -8,7 +8,7 @@ import { OVERLAY_SCROLL_BAR_SCROLL, TOP_BAR_VISIBILITY_CHANGE } from '~/constant
 import { AppPage } from '~/enums/appEnums'
 import { settings } from '~/logic'
 import api from '~/utils/api'
-import { getUserID, isHomePage } from '~/utils/main'
+import { getUserID, isHomePage, isInIframe } from '~/utils/main'
 import emitter from '~/utils/mitt'
 
 import BewlyOrBiliPageSwitcher from './components/BewlyOrBiliPageSwitcher.vue'
@@ -67,6 +67,7 @@ const forceWhiteIcon = computed((): boolean => {
   if (
     // 首頁使用原生 bilibili 首頁時由於原版有 banner，所以強制 icon 變白色用於區分背景
     (isHomePage() && settings.value.useOriginalBilibiliHomepage)
+    || (isInIframe() && isHomePage())
     // 分區頁面由於上面有背景，所以強制 icon 變白色用於區分背景
     // channel, anime, chinese anime, tv shows, movie, variety shows, mooc but not including video page
     || (
@@ -127,13 +128,15 @@ const showSearchBar = computed((): boolean => {
 
 const isTopBarFixed = computed((): boolean => {
   if (
-    (isHomePage() && settings.value.useOriginalBilibiliHomepage)
+    isHomePage()
     // video page
     || /https?:\/\/(?:www.)?bilibili.com\/(?:video|list)\/.*/.test(location.href)
     // anime playback & movie page
     || /https?:\/\/(?:www.)?bilibili.com\/bangumi\/play\/.*/.test(location.href)
     // moment page
     || /https?:\/\/t.bilibili.com.*/.test(location.href)
+    // watch later page
+    || /https?:\/\/(?:www\.)?bilibili\.com\/watchlater\/#\/list.*/.test(location.href)
     // channel, anime, chinese anime, tv shows, movie, variety shows, mooc
     || /https?:\/\/(?:www.)?bilibili.com\/(?:v|anime|guochuang|tv|movie|variety|mooc).*/.test(location.href)
     // articles page
@@ -486,6 +489,7 @@ defineExpose({
           >
             <a
               ref="logo" href="//www.bilibili.com"
+              target="_top"
               class="group logo"
               :class="{
                 activated: popupVisible.channels,
diff --git a/src/components/TopBar/components/BewlyOrBiliPageSwitcher.vue b/src/components/TopBar/components/BewlyOrBiliPageSwitcher.vue
index 8543335d..11cb039c 100644
--- a/src/components/TopBar/components/BewlyOrBiliPageSwitcher.vue
+++ b/src/components/TopBar/components/BewlyOrBiliPageSwitcher.vue
@@ -1,12 +1,14 @@
 <script lang="ts" setup>
 import { useBewlyApp } from '~/composables/useAppProvider'
+import { IFRAME_PAGE_SWITCH_BEWLY, IFRAME_PAGE_SWITCH_BILI } from '~/constants/globalEvents'
 import { settings } from '~/logic'
 import { useMainStore } from '~/stores/mainStore'
-import { isHomePage } from '~/utils/main'
+// import { useSettingsStore } from '~/stores/settingsStore'
+import { isInIframe } from '~/utils/main'
 
 const { activatedPage } = useBewlyApp()
 const { getDockItemByPage } = useMainStore()
-
+// const { getDockItemConfigByPage } = useSettingsStore()
 const options = readonly([
   {
     name: 'BewlyBewly',
@@ -20,8 +22,15 @@ const options = readonly([
   },
 ])
 
-const currentPage = computed(() => {
-  return settings.value.dockItemsConfig.find(dockItem => dockItem.page === activatedPage.value)
+const showBewlyOrBiliPageSwitcher = computed(() => {
+  if (!isInIframe() && getDockItemByPage(activatedPage.value)?.hasBewlyPage)
+    return true
+  if (isInIframe())
+    return true
+  // const dockItemConfig = getDockItemConfigByPage(activatedPage.value)
+  // if (dockItemConfig?.useOriginalBiliPage && isInIframe())
+  //   return true
+  return false
 })
 
 function switchPage(useOriginalBiliPage: boolean) {
@@ -29,12 +38,19 @@ function switchPage(useOriginalBiliPage: boolean) {
   if (dockItem) {
     dockItem.useOriginalBiliPage = useOriginalBiliPage
   }
+
+  if (isInIframe()) {
+    if (useOriginalBiliPage)
+      parent.postMessage(IFRAME_PAGE_SWITCH_BILI, '*')
+    else
+      parent.postMessage(IFRAME_PAGE_SWITCH_BEWLY, '*')
+  }
 }
 </script>
 
 <template>
   <div
-    v-if="getDockItemByPage(activatedPage)?.hasBewlyPage && isHomePage() && !settings.useOriginalBilibiliHomepage"
+    v-if="showBewlyOrBiliPageSwitcher"
     style="backdrop-filter: var(--bew-filter-glass-1);"
     flex="~ gap-1" bg="$bew-elevated" p-1 rounded-full
     h-34px
@@ -42,7 +58,7 @@ function switchPage(useOriginalBiliPage: boolean) {
     <button
       v-for="option in options" :key="option.name"
       :class="{
-        active: option.useOriginalBiliPage === currentPage?.useOriginalBiliPage,
+        active: option.useOriginalBiliPage === isInIframe(),
       }"
       rounded-inherit text="$bew-text-2 hover:$bew-text-1 xs" p="x-2 lg:x-4" bg="hover:$bew-fill-2"
       fw-bold duration-300
diff --git a/src/constants/globalEvents.ts b/src/constants/globalEvents.ts
index ffac245f..ea9e0e29 100644
--- a/src/constants/globalEvents.ts
+++ b/src/constants/globalEvents.ts
@@ -3,3 +3,5 @@ export const OVERLAY_SCROLL_BAR_SCROLL = 'overlayScrollBarScroll'
 export const BEWLY_MOUNTED = 'bewlyMounted'
 export const DRAWER_VIDEO_ENTER_PAGE_FULL = 'drawerVideoEnterPageFull'
 export const DRAWER_VIDEO_EXIT_PAGE_FULL = 'drawerVideoExitPageFull'
+export const IFRAME_PAGE_SWITCH_BEWLY = 'iframePageSwitchBewly'
+export const IFRAME_PAGE_SWITCH_BILI = 'iframePageSwitchBili'
diff --git a/src/contentScripts/index.ts b/src/contentScripts/index.ts
index b0745a6e..b91fd458 100644
--- a/src/contentScripts/index.ts
+++ b/src/contentScripts/index.ts
@@ -129,7 +129,6 @@ if (!settings.value.useOriginalBilibiliTopBar && isSupportedPages())
 async function onDOMLoaded() {
   let originalTopBar: HTMLElement | null = null
 
-  // DO NOT change the home page when in iframe because it will cause nested calls to the homepage
   const changeHomePage = !isInIframe() && !settings.value.useOriginalBilibiliHomepage && isHomePage()
 
   // Remove the original Bilibili homepage if in Bilibili homepage & useOriginalBilibiliHomepage is enabled
@@ -153,7 +152,7 @@ async function onDOMLoaded() {
 
   if (isSupportedPages()) {
     // Then inject the app
-    if (changeHomePage) {
+    if (isHomePage()) {
       injectApp()
     }
     else {
diff --git a/src/contentScripts/views/App.vue b/src/contentScripts/views/App.vue
index 7bbcad0c..ad4b75df 100644
--- a/src/contentScripts/views/App.vue
+++ b/src/contentScripts/views/App.vue
@@ -1,19 +1,21 @@
 <script setup lang="ts">
-import { useThrottleFn, useToggle } from '@vueuse/core'
+import { useEventListener, useThrottleFn, useToggle } from '@vueuse/core'
 import type { Ref } from 'vue'
 
 import type { BewlyAppProvider } from '~/composables/useAppProvider'
 import { useDark } from '~/composables/useDark'
-import { BEWLY_MOUNTED, DRAWER_VIDEO_ENTER_PAGE_FULL, DRAWER_VIDEO_EXIT_PAGE_FULL, OVERLAY_SCROLL_BAR_SCROLL } from '~/constants/globalEvents'
+import { BEWLY_MOUNTED, DRAWER_VIDEO_ENTER_PAGE_FULL, DRAWER_VIDEO_EXIT_PAGE_FULL, IFRAME_PAGE_SWITCH_BEWLY, IFRAME_PAGE_SWITCH_BILI, OVERLAY_SCROLL_BAR_SCROLL } from '~/constants/globalEvents'
 import { AppPage } from '~/enums/appEnums'
 import { settings } from '~/logic'
 import { type DockItem, useMainStore } from '~/stores/mainStore'
+import { useSettingsStore } from '~/stores/settingsStore'
 import { isHomePage, isInIframe, openLinkToNewTab, queryDomUntilFound, scrollToTop } from '~/utils/main'
 import emitter from '~/utils/mitt'
 
 import { setupNecessarySettingsWatchers } from './necessarySettingsWatchers'
 
 const mainStore = useMainStore()
+const settingsStore = useSettingsStore()
 const { isDark } = useDark()
 const [showSettings, toggleSettings] = useToggle(false)
 
@@ -50,7 +52,24 @@ const iframeDrawerURL = ref<string>('')
 const showIframeDrawer = ref<boolean>(false)
 
 const iframePageRef = ref()
-
+useEventListener(window, 'message', ({ data }) => {
+  switch (data) {
+    case IFRAME_PAGE_SWITCH_BEWLY:
+      {
+        const currentDockItemConfig = settingsStore.getDockItemConfigByPage(activatedPage.value)
+        if (currentDockItemConfig)
+          currentDockItemConfig.useOriginalBiliPage = false
+      }
+      break
+    case IFRAME_PAGE_SWITCH_BILI:
+      {
+        const currentDockItemConfig = settingsStore.getDockItemConfigByPage(activatedPage.value)
+        if (currentDockItemConfig)
+          currentDockItemConfig.useOriginalBiliPage = true
+      }
+      break
+  }
+})
 const iframePageURL = computed((): string => {
   // If the iframe is not the BiliBili homepage or in iframe, then don't show the iframe page
   if (!isHomePage(window.self.location.href) || isInIframe())
@@ -61,7 +80,6 @@ const iframePageURL = computed((): string => {
   }
   return ''
 })
-
 const showBewlyPage = computed((): boolean => {
   if (isInIframe())
     return false
@@ -73,7 +91,7 @@ const showBewlyPage = computed((): boolean => {
   if (iframePageURL.value)
     return false
 
-  return isHomePage() && !isInIframe() && !settings.value.useOriginalBilibiliHomepage
+  return isHomePage() && !settings.value.useOriginalBilibiliHomepage
 })
 
 const isFirstTimeActivatedPageChange = ref<boolean>(true)
@@ -205,6 +223,18 @@ function openIframeDrawer(url: string) {
   showIframeDrawer.value = true
 }
 
+/**
+ * Checks if the current viewport has a scrollbar.
+ * @returns {boolean} Returns true if the viewport has a scrollbar, false otherwise.
+ */
+async function haveScrollbar() {
+  await nextTick()
+  const osInstance = scrollbarRef.value?.osInstance()
+  const { viewport } = osInstance.elements()
+  const { scrollHeight } = viewport // get scroll offset
+  return scrollHeight > window.innerHeight
+}
+
 // In drawer video, watch btn className changed and post message to parent
 watchEffect(async (onCleanUp) => {
   if (!isInIframe())
@@ -234,18 +264,6 @@ watchEffect(async (onCleanUp) => {
   })
 })
 
-/**
- * Checks if the current viewport has a scrollbar.
- * @returns {boolean} Returns true if the viewport has a scrollbar, false otherwise.
- */
-async function haveScrollbar() {
-  await nextTick()
-  const osInstance = scrollbarRef.value?.osInstance()
-  const { viewport } = osInstance.elements()
-  const { scrollHeight } = viewport // get scroll offset
-  return scrollHeight > window.innerHeight
-}
-
 provide<BewlyAppProvider>('BEWLY_APP', {
   activatedPage,
   mainAppRef,
@@ -300,7 +318,20 @@ provide<BewlyAppProvider>('BEWLY_APP', {
     </div>
 
     <!-- TopBar -->
-    <div v-if="!isInIframe()" m-auto max-w="$bew-page-max-width">
+    <div
+      v-if="
+        // When the user switches to the original Bilibili page, BewlyBewly will only show the top bar inside the iframe.
+        // This helps prevent the outside top bar from covering the contents.
+        // reference: https://github.com/BewlyBewly/BewlyBewly/issues/1235
+
+        // when on home page and not using original bilibili page, show top bar
+        (isHomePage() && !settingsStore.getDockItemIsUseOriginalBiliPage(activatedPage) && !isInIframe())
+          // when in iframe and using original bilibili page, show top bar
+          || (settingsStore.getDockItemIsUseOriginalBiliPage(activatedPage) && isInIframe())
+          // when not on home page, show top bar
+          || !isHomePage()"
+      m-auto max-w="$bew-page-max-width"
+    >
       <OldTopBar
         v-if="settings.useOldTopBar"
         pos="top-0 left-0" z="99 hover:1001" w-full
@@ -312,12 +343,13 @@ provide<BewlyAppProvider>('BEWLY_APP', {
     </div>
 
     <div
+      v-if="!settings.useOriginalBilibiliHomepage"
       pos="absolute top-0 left-0" w-full h-full
       :style="{
         height: showBewlyPage || iframePageURL ? '100dvh' : '0',
       }"
     >
-      <template v-if="!iframePageURL && showBewlyPage && activatedPage">
+      <template v-if="showBewlyPage">
         <OverlayScrollbarsComponent ref="scrollbarRef" element="div" h-inherit defer @os-scroll="handleOsScroll">
           <main m-auto max-w="$bew-page-max-width">
             <div
@@ -338,7 +370,7 @@ provide<BewlyAppProvider>('BEWLY_APP', {
           </main>
         </OverlayScrollbarsComponent>
       </template>
-      <IframePage v-if="iframePageURL" ref="iframePageRef" :url="iframePageURL" />
+      <IframePage v-else-if="iframePageURL && !isInIframe()" ref="iframePageRef" :url="iframePageURL" />
     </div>
 
     <IframeDrawer
diff --git a/src/stores/settingsStore.ts b/src/stores/settingsStore.ts
new file mode 100644
index 00000000..daec161b
--- /dev/null
+++ b/src/stores/settingsStore.ts
@@ -0,0 +1,23 @@
+import { defineStore } from 'pinia'
+
+import type { AppPage } from '~/enums/appEnums'
+import { settings } from '~/logic'
+
+export interface DockItemConfig {
+  page: AppPage
+  visible: boolean
+  openInNewTab: boolean
+  useOriginalBiliPage: boolean
+}
+
+export const useSettingsStore = defineStore('settings', () => {
+  function getDockItemConfigByPage(page: AppPage): DockItemConfig | undefined {
+    return settings.value.dockItemsConfig.find(e => e.page === page)
+  }
+
+  function getDockItemIsUseOriginalBiliPage(page: AppPage): boolean {
+    return settings.value.dockItemsConfig.find(e => e.page === page)?.useOriginalBiliPage || false
+  }
+
+  return { getDockItemConfigByPage, getDockItemIsUseOriginalBiliPage }
+})
diff --git a/src/utils/iframeMessaging.ts b/src/utils/iframeMessaging.ts
new file mode 100644
index 00000000..b8ae21b3
--- /dev/null
+++ b/src/utils/iframeMessaging.ts
@@ -0,0 +1,42 @@
+import browser from 'webextension-polyfill'
+
+import type { AppPage } from '~/enums/appEnums'
+import { useSettingsStore } from '~/stores/settingsStore'
+
+const { getDockItemConfigByPage } = useSettingsStore()
+interface Message {
+  contentScriptQuery: string
+  [key: string]: any
+}
+
+export enum IFRAME_MESSAGE {
+  IFRAME_CHANGE_PAGE_MODE = 'iframeChangePageMode',
+}
+
+export function iframeChangePageMode(page: AppPage, useOriginalBiliPage: boolean) {
+  browser.runtime.sendMessage({
+    contentScriptQuery: IFRAME_MESSAGE.IFRAME_CHANGE_PAGE_MODE,
+    page,
+    useOriginalBiliPage,
+  })
+}
+
+function handleMessage(message: Message) {
+  if (message.contentScriptQuery === IFRAME_MESSAGE.IFRAME_CHANGE_PAGE_MODE) {
+    const { page, useOriginalBiliPage } = message
+    const dockItemConfig = getDockItemConfigByPage(page)
+    if (dockItemConfig) {
+      dockItemConfig.useOriginalBiliPage = useOriginalBiliPage
+    }
+  }
+}
+
+export function setupIframeMsgLstnrs() {
+  browser.runtime.onMessage.removeListener(handleConnect)
+  browser.runtime.onMessage.addListener(handleConnect)
+}
+
+function handleConnect() {
+  browser.runtime.onMessage.removeListener(handleMessage)
+  browser.runtime.onMessage.addListener(handleMessage)
+}