feat: pause/resume timer (#1928)

Co-authored-by: _Kerman <kermanx@qq.com>

Author: ken7253

packages/client/composables/useTimer.ts

@@ -0,0 +1,20 @@
+import { useInterval } from '@vueuse/core'
+import { computed } from 'vue'
+
+export function useTimer() {
+  const { counter, isActive, reset, pause, resume } = useInterval(1000, { controls: true })
+
+  const timer = computed(() => {
+    const passed = counter.value
+    const sec = Math.floor(passed % 60).toString().padStart(2, '0')
+    const min = Math.floor(passed / 60).toString().padStart(2, '0')
+    return `${min}:${sec}`
+  })
+
+  return {
+    timer,
+    isTimerAvctive: isActive,
+    resetTimer: reset,
+    toggleTimer: () => (isActive.value ? pause() : resume()),
+  }
+}

packages/client/logic/utils.ts

@@ -1,27 +1,4 @@
 import { parseRangeString } from '@slidev/parser/core'
-import { useTimestamp } from '@vueuse/core'
-import { computed, ref } from 'vue'
-
-export function useTimer() {
-  const tsStart = ref(Date.now())
-  const now = useTimestamp({
-    interval: 1000,
-  })
-  const timer = computed(() => {
-    const passed = (now.value - tsStart.value) / 1000
-    const sec = Math.floor(passed % 60).toString().padStart(2, '0')
-    const min = Math.floor(passed / 60).toString().padStart(2, '0')
-    return `${min}:${sec}`
-  })
-  function resetTimer() {
-    tsStart.value = now.value
-  }
-
-  return {
-    timer,
-    resetTimer,
-  }
-}
 
 export function makeId(length = 5) {
   const result = []

packages/client/pages/presenter.vue

@@ -6,6 +6,7 @@ import { createFixedClicks } from '../composables/useClicks'
 import { useDrawings } from '../composables/useDrawings'
 import { useNav } from '../composables/useNav'
 import { useSwipeControls } from '../composables/useSwipeControls'
+import { useTimer } from '../composables/useTimer'
 import { useWakeLock } from '../composables/useWakeLock'
 import { slidesTitle } from '../env'
 import ClicksSlider from '../internals/ClicksSlider.vue'
@@ -22,7 +23,6 @@ import SlidesShow from '../internals/SlidesShow.vue'
 import SlideWrapper from '../internals/SlideWrapper.vue'
 import { onContextMenu } from '../logic/contextMenu'
 import { registerShortcuts } from '../logic/shortcuts'
-import { useTimer } from '../logic/utils'
 import { decreasePresenterFontSize, increasePresenterFontSize, presenterLayout, presenterNotesFontSize, showEditor, showPresenterCursor } from '../state'
 import { sharedState } from '../state/shared'
 
@@ -49,7 +49,7 @@ useHead({ title: `Presenter - ${slidesTitle}` })
 
 const notesEditing = ref(false)
 
-const { timer, resetTimer } = useTimer()
+const { timer, isTimerAvctive, resetTimer, toggleTimer } = useTimer()
 
 const clicksCtxMap = computed(() => slides.value.map(route => createFixedClicks(route)))
 const nextFrame = computed(() => {
@@ -184,16 +184,22 @@ onMounted(() => {
       <div class="grid-section bottom flex">
         <NavControls :persist="true" />
         <div flex-auto />
-        <div
-          class="timer-btn my-auto relative w-22px h-22px cursor-pointer text-lg"
-          opacity="50 hover:100"
-          @click="resetTimer"
-        >
-          <carbon:time class="absolute" />
-          <carbon:renew class="absolute opacity-0" />
-        </div>
-        <div class="text-2xl pl-2 pr-6 my-auto tabular-nums">
-          {{ timer }}
+        <div class="group flex items-center justify-center pl-4 select-none">
+          <div class="w-22px cursor-pointer">
+            <carbon:time class="group-hover:hidden text-xl" />
+            <div class="group-not-hover:hidden flex flex-col items-center">
+              <div class="relative op-80 hover:op-100" @click="toggleTimer">
+                <carbon:pause v-if="isTimerAvctive" class="text-lg" />
+                <carbon:play v-else />
+              </div>
+              <div class="op-80 hover:op-100" @click="resetTimer">
+                <carbon:renew />
+              </div>
+            </div>
+          </div>
+          <div class="text-2xl px-3 my-auto tabular-nums">
+            {{ timer }}
+          </div>
         </div>
       </div>
       <DrawingControls v-if="__SLIDEV_FEATURE_DRAWINGS__" />
@@ -215,13 +221,6 @@ onMounted(() => {
   --slidev-controls-foreground: current;
 }
 
-.timer-btn:hover > :first-child {
-  opacity: 0;
-}
-.timer-btn:hover > :last-child {
-  opacity: 1;
-}
-
 .grid-container {
   --uno: bg-gray/20;
   height: 100%;