Merge remote-tracking branch 'origin/develop' into settings-and-filtering

* origin/develop: (169 commits)
  Improve the user card for deactivated users
  Update CHANGELOG.md
  Update CHANGELOG.md
  Allow canceling a follow request
  Simple policy reasons for instance specific policies
  entity_normalizer: Escape name when parsing user
  Translated using Weblate (Spanish)
  Translated using Weblate (Catalan)
  Translated using Weblate (Korean)
  Translated using Weblate (Japanese (ja_PEDANTIC))
  Translated using Weblate (Indonesian)
  Translated using Weblate (Esperanto)
  Translated using Weblate (Vietnamese)
  Translated using Weblate (Italian)
  Translated using Weblate (Vietnamese)
  Translated using Weblate (Indonesian)
  Translated using Weblate (Italian)
  Translated using Weblate (Vietnamese)
  Translated using Weblate (Indonesian)
  Translated using Weblate (Chinese (Simplified))
  ...

3 files changed, 242 insertions, 0 deletions

diff --git a/src/components/mention_link/mention_link.js b/src/components/mention_link/mention_link.js
new file mode 100644
index 00000000..65c62baa
--- /dev/null
+++ b/src/components/mention_link/mention_link.js
@@ -0,0 +1,95 @@
+import generateProfileLink from 'src/services/user_profile_link_generator/user_profile_link_generator'
+import { mapGetters, mapState } from 'vuex'
+import { highlightClass, highlightStyle } from '../../services/user_highlighter/user_highlighter.js'
+import { library } from '@fortawesome/fontawesome-svg-core'
+import {
+  faAt
+} from '@fortawesome/free-solid-svg-icons'
+
+library.add(
+  faAt
+)
+
+const MentionLink = {
+  name: 'MentionLink',
+  props: {
+    url: {
+      required: true,
+      type: String
+    },
+    content: {
+      required: true,
+      type: String
+    },
+    userId: {
+      required: false,
+      type: String
+    },
+    userScreenName: {
+      required: false,
+      type: String
+    }
+  },
+  methods: {
+    onClick () {
+      const link = generateProfileLink(
+        this.userId || this.user.id,
+        this.userScreenName || this.user.screen_name
+      )
+      this.$router.push(link)
+    }
+  },
+  computed: {
+    user () {
+      return this.url && this.$store && this.$store.getters.findUserByUrl(this.url)
+    },
+    isYou () {
+      // FIXME why user !== currentUser???
+      return this.user && this.user.id === this.currentUser.id
+    },
+    userName () {
+      return this.user && this.userNameFullUi.split('@')[0]
+    },
+    userNameFull () {
+      return this.user && this.user.screen_name
+    },
+    userNameFullUi () {
+      return this.user && this.user.screen_name_ui
+    },
+    highlight () {
+      return this.user && this.mergedConfig.highlight[this.user.screen_name]
+    },
+    highlightType () {
+      return this.highlight && ('-' + this.highlight.type)
+    },
+    highlightClass () {
+      if (this.highlight) return highlightClass(this.user)
+    },
+    style () {
+      if (this.highlight) {
+        const {
+          backgroundColor,
+          backgroundPosition,
+          backgroundImage,
+          ...rest
+        } = highlightStyle(this.highlight)
+        return rest
+      }
+    },
+    classnames () {
+      return [
+        {
+          '-you': this.isYou,
+          '-highlighted': this.highlight
+        },
+        this.highlightType
+      ]
+    },
+    ...mapGetters(['mergedConfig']),
+    ...mapState({
+      currentUser: state => state.users.currentUser
+    })
+  }
+}
+
+export default MentionLink
diff --git a/src/components/mention_link/mention_link.scss b/src/components/mention_link/mention_link.scss
new file mode 100644
index 00000000..ec2689f8
--- /dev/null
+++ b/src/components/mention_link/mention_link.scss
@@ -0,0 +1,91 @@
+.MentionLink {
+  position: relative;
+  white-space: normal;
+  display: inline-block;
+  color: var(--link);
+
+  & .new,
+  & .original {
+    display: inline-block;
+    border-radius: 2px;
+  }
+
+  .full {
+    position: absolute;
+    display: inline-block;
+    pointer-events: none;
+    opacity: 0;
+    top: 100%;
+    left: 0;
+    height: 100%;
+    word-wrap: normal;
+    white-space: nowrap;
+    transition: opacity 0.2s ease;
+    z-index: 1;
+    margin-top: 0.25em;
+    padding: 0.5em;
+    user-select: all;
+  }
+
+  .short {
+    user-select: none;
+  }
+
+  & .short,
+  & .full {
+    white-space: nowrap;
+  }
+
+  .new {
+    &.-you {
+      & .shortName,
+      & .full {
+        font-weight: 600;
+      }
+    }
+
+    .at {
+      color: var(--link);
+      opacity: 0.8;
+      display: inline-block;
+      height: 50%;
+      line-height: 1;
+      padding: 0 0.1em;
+      vertical-align: -25%;
+      margin: 0;
+    }
+
+    &.-striped {
+      & .userName,
+      & .full {
+        background-image:
+          repeating-linear-gradient(
+            135deg,
+            var(--____highlight-tintColor),
+            var(--____highlight-tintColor) 5px,
+            var(--____highlight-tintColor2) 5px,
+            var(--____highlight-tintColor2) 10px
+          );
+      }
+    }
+
+    &.-solid {
+      & .userName,
+      & .full {
+        background-image: linear-gradient(var(--____highlight-tintColor2), var(--____highlight-tintColor2));
+      }
+    }
+
+    &.-side {
+      & .userName,
+      & .userNameFull {
+        box-shadow: 0 -5px 3px -4px inset var(--____highlight-solidColor);
+      }
+    }
+  }
+
+  &:hover .new .full {
+    opacity: 1;
+    pointer-events: initial;
+  }
+}
diff --git a/src/components/mention_link/mention_link.vue b/src/components/mention_link/mention_link.vue
new file mode 100644
index 00000000..a22b486c
--- /dev/null
+++ b/src/components/mention_link/mention_link.vue
@@ -0,0 +1,56 @@
+<template>
+  <span
+    class="MentionLink"
+  >
+    <!-- eslint-disable vue/no-v-html -->
+    <a
+      v-if="!user"
+      :href="url"
+      class="original"
+      target="_blank"
+      v-html="content"
+    />
+    <!-- eslint-enable vue/no-v-html -->
+    <span
+      v-if="user"
+      class="new"
+      :style="style"
+      :class="classnames"
+    >
+      <a
+        class="short button-unstyled"
+        :href="url"
+        @click.prevent="onClick"
+      >
+        <!-- eslint-disable vue/no-v-html -->
+        <FAIcon
+          size="sm"
+          icon="at"
+          class="at"
+        /><span class="shortName"><span
+          class="userName"
+          v-html="userName"
+        /></span>
+        <span
+          v-if="isYou"
+          class="you"
+        >{{ $t('status.you') }}</span>
+        <!-- eslint-enable vue/no-v-html -->
+      </a>
+      <span
+        v-if="userName !== userNameFull"
+        class="full popover-default"
+        :class="[highlightType]"
+      >
+        <span
+          class="userNameFull"
+          v-text="'@' + userNameFull"
+        />
+      </span>
+    </span>
+  </span>
+</template>
+
+<script src="./mention_link.js"/>
+
+<style lang="scss" src="./mention_link.scss"/>