rename component

src/components/mobile_post_status_button/mobile_post_status_button.js

@@ -0,0 +1,93 @@
+import { debounce } from 'lodash'
+
+const MobilePostStatusButton = {
+  data () {
+    return {
+      hidden: false,
+      scrollingDown: false,
+      inputActive: false,
+      oldScrollPos: 0,
+      amountScrolled: 0
+    }
+  },
+  created () {
+    if (this.autohideFloatingPostButton) {
+      this.activateFloatingPostButtonAutohide()
+    }
+    window.addEventListener('resize', this.handleOSK)
+  },
+  destroyed () {
+    if (this.autohideFloatingPostButton) {
+      this.deactivateFloatingPostButtonAutohide()
+    }
+    window.removeEventListener('resize', this.handleOSK)
+  },
+  computed: {
+    isLoggedIn () {
+      return !!this.$store.state.users.currentUser
+    },
+    isHidden () {
+      return this.autohideFloatingPostButton && (this.hidden || this.inputActive)
+    },
+    autohideFloatingPostButton () {
+      return !!this.$store.state.config.autohideFloatingPostButton
+    }
+  },
+  watch: {
+    autohideFloatingPostButton: function (isEnabled) {
+      if (isEnabled) {
+        this.activateFloatingPostButtonAutohide()
+      } else {
+        this.deactivateFloatingPostButtonAutohide()
+      }
+    }
+  },
+  methods: {
+    activateFloatingPostButtonAutohide () {
+      window.addEventListener('scroll', this.handleScrollStart)
+      window.addEventListener('scroll', this.handleScrollEnd)
+    },
+    deactivateFloatingPostButtonAutohide () {
+      window.removeEventListener('scroll', this.handleScrollStart)
+      window.removeEventListener('scroll', this.handleScrollEnd)
+    },
+    openPostForm () {
+      this.$store.dispatch('openPostStatusModal')
+    },
+    handleOSK () {
+      // This is a big hack: we're guessing from changed window sizes if the
+      // on-screen keyboard is active or not. This is only really important
+      // for phones in portrait mode and it's more important to show the button
+      // in normal scenarios on all phones, than it is to hide it when the
+      // keyboard is active.
+      // Guesswork based on https://www.mydevice.io/#compare-devices
+
+      // for example, iphone 4 and android phones from the same time period
+      const smallPhone = window.innerWidth < 350
+      const smallPhoneKbOpen = smallPhone && window.innerHeight < 345
+
+      const biggerPhone = !smallPhone && window.innerWidth < 450
+      const biggerPhoneKbOpen = biggerPhone && window.innerHeight < 560
+      if (smallPhoneKbOpen || biggerPhoneKbOpen) {
+        this.inputActive = true
+      } else {
+        this.inputActive = false
+      }
+    },
+    handleScrollStart: debounce(function () {
+      if (window.scrollY > this.oldScrollPos) {
+        this.hidden = true
+      } else {
+        this.hidden = false
+      }
+      this.oldScrollPos = window.scrollY
+    }, 100, { leading: true, trailing: false }),
+
+    handleScrollEnd: debounce(function () {
+      this.hidden = false
+      this.oldScrollPos = window.scrollY
+    }, 100, { leading: false, trailing: true })
+  }
+}
+
+export default MobilePostStatusButton

src/components/mobile_post_status_button/mobile_post_status_button.vue

@@ -0,0 +1,55 @@
+<template>
+  <div v-if="isLoggedIn">
+    <button
+      class="new-status-button"
+      :class="{ 'hidden': isHidden }"
+      @click="openPostForm"
+    >
+      <i class="icon-edit" />
+    </button>
+  </div>
+</template>
+
+<script src="./mobile_post_status_button.js"></script>
+
+<style lang="scss">
+@import '../../_variables.scss';
+
+.new-status-button {
+  width: 5em;
+  height: 5em;
+  border-radius: 100%;
+  position: fixed;
+  bottom: 1.5em;
+  right: 1.5em;
+  // TODO: this needs its own color, it has to stand out enough and link color
+  // is not very optimal for this particular use.
+  background-color: $fallback--fg;
+  background-color: var(--btn, $fallback--fg);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.3), 0px 4px 6px rgba(0, 0, 0, 0.3);
+  z-index: 10;
+
+  transition: 0.35s transform;
+  transition-timing-function: cubic-bezier(0, 1, 0.5, 1);
+
+  &.hidden {
+    transform: translateY(150%);
+  }
+
+  i {
+    font-size: 1.5em;
+    color: $fallback--text;
+    color: var(--text, $fallback--text);
+  }
+}
+
+@media all and (min-width: 801px) {
+  .new-status-button {
+    display: none;
+  }
+}
+
+</style>