From da30d6899aeb1da5337227cf65645096b6d753da Mon Sep 17 00:00:00 2001
From: N-Pex <npexdev@gmail.com>
Date: Thu, 15 Apr 2021 11:44:58 +0200
Subject: [PATCH] Support custom short code stickers

Issue #105.
---
 README.md                                     |   9 +
 src/assets/config.json                        |   3 +-
 src/assets/css/chat.scss                      |  16 ++
 src/components/BottomSheet.vue                | 184 ++++++++++++++++++
 src/components/Chat.vue                       |  42 +++-
 src/components/StickerPickerBottomSheet.vue   |  77 ++++++++
 .../messages/MessageIncomingSticker.vue       |  49 +++++
 .../messages/MessageOutgoingSticker.vue       |  47 +++++
 src/plugins/stickers.js                       |  66 +++++++
 9 files changed, 490 insertions(+), 3 deletions(-)
 create mode 100644 src/components/BottomSheet.vue
 create mode 100644 src/components/StickerPickerBottomSheet.vue
 create mode 100644 src/components/messages/MessageIncomingSticker.vue
 create mode 100644 src/components/messages/MessageOutgoingSticker.vue
 create mode 100644 src/plugins/stickers.js

diff --git a/README.md b/README.md
index 1b7ddd3..c764eca 100644
--- a/README.md
+++ b/README.md
@@ -39,3 +39,12 @@ npm run lint
 
 ### Customize configuration
 See [Configuration Reference](https://cli.vuejs.org/config/).
+
+```
+
+## Theming
+
+# Sticker short codes - To enable sticker short codes, follow there steps:
+* set "useShortCodeStickers" to true in config.json.
+* Add your sticker pack folders (containing stickers) to /src/assets/stickers/
+* Create file /src/assets/stickers/order.txt that lists the folders names in order, one folder name per line.
\ No newline at end of file
diff --git a/src/assets/config.json b/src/assets/config.json
index c74a46c..d6bad56 100644
--- a/src/assets/config.json
+++ b/src/assets/config.json
@@ -1,3 +1,4 @@
 {
-    "defaultServer": "https://neo.keanu.im"
+    "defaultServer": "https://neo.keanu.im",
+    "useShortCodeStickers": false
 }
diff --git a/src/assets/css/chat.scss b/src/assets/css/chat.scss
index 04ad1bf..1133285 100644
--- a/src/assets/css/chat.scss
+++ b/src/assets/css/chat.scss
@@ -197,6 +197,15 @@ $admin-fg: white;
         width: 70%;
         max-width: 70%;
     }
+    .bubble.sticker-bubble {
+        padding: 0px;
+        overflow: hidden;
+        display: inline-block;
+        width: 30%;
+        max-width: 30%;
+        background-color: transparent;
+        border: 0px solid transparent !important;
+    }
     .avatar {
         display: inline-block;
         vertical-align: top !important;
@@ -261,6 +270,13 @@ $admin-fg: white;
             border-radius: 10px 10px 0 10px;
         }
     }
+    .bubble.sticker-bubble {
+        padding: 0px;
+        display: inline-block;
+        width: 30%;
+        max-width: 30%;
+        background-color: transparent;
+    }
     .avatar {
         display: inline-block;
         vertical-align: bottom !important;
diff --git a/src/components/BottomSheet.vue b/src/components/BottomSheet.vue
new file mode 100644
index 0000000..c1be4f3
--- /dev/null
+++ b/src/components/BottomSheet.vue
@@ -0,0 +1,184 @@
+<template>
+  <div
+    class="bottom-sheet"
+    ref="sheet"
+    :style="state == 'closed' ? { 'pointer-events': 'none' } : {}"
+  >
+    <v-fade-transition>
+      <div
+        class="bottom-sheet-bg"
+        v-show="state != 'closed'"
+        @click.stop="onBackgroundClick"
+      />
+    </v-fade-transition>
+    <div
+      class="bottom-sheet-content"
+      :data-state="isMove ? 'move' : state"
+      ref="pan"
+      :style="{ top: `${isMove ? y : calcY()}px` }"
+    >
+      <div class="bottom-sheet-handle"><div class="bottom-sheet-handle-decoration" /></div>
+      <div style="position:absolute;top:20px;left:0;right:0;bottom:0;overflow-y:auto">
+        <slot></slot>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import Hammer from "hammerjs";
+
+export default {
+  props: {
+    openY: {
+      type: Number,
+      default: 0.1,
+    },
+    halfY: {
+      type: Number,
+      default: 0.5,
+    },
+    defaultState: {
+      type: String,
+      default: "closed",
+    },
+  },
+  data() {
+    return {
+      mc: null,
+      y: 0,
+      startY: 0,
+      isMove: false,
+      state: this.defaultState,
+      rect: {},
+    };
+  },
+  mounted() {
+    window.onresize = () => {
+      this.rect = this.$refs.sheet.getBoundingClientRect();
+    };
+    this.rect = this.$refs.sheet.getBoundingClientRect();
+
+    this.mc = new Hammer(this.$refs.pan);
+    this.mc.get("pan").set({ direction: Hammer.DIRECTION_ALL });
+
+    const self = this;
+
+    this.mc.on("panup pandown", (evt) => {
+      self.y = evt.center.y - 16;
+    });
+
+    this.mc.on("panstart", (evt) => {
+      self.startY = evt.center.y;
+      self.isMove = true;
+    });
+
+    this.mc.on("panend", (evt) => {
+      self.isMove = false;
+
+      switch (self.state) {
+        case "small":
+          if (self.startY - evt.center.y > 120) {
+            self.state = "open";
+          }
+
+          if (self.startY - evt.center.y < -50) {
+            self.state = "closed";
+          }
+          break;
+        case "open":
+          if (self.startY - evt.center.y < -120) {
+            self.state = "small";
+          }
+          break;
+      }
+    });
+  },
+  beforeDestroy() {
+    this.mc.destroy();
+    window.onresize = null;
+  },
+  methods: {
+    calcY() {
+      switch (this.state) {
+        case "closed":
+          return this.rect.height;
+        case "open":
+          return this.rect.height * this.openY;
+        case "small":
+          return this.rect.height * this.halfY;
+        default:
+          return this.y;
+      }
+    },
+    open() {
+      this.setState("small");
+    },
+    close() {
+      this.setState("closed");
+    },
+    setState(state) {
+      this.state = state;
+    },
+    onBackgroundClick() {
+      if (this.state == "open") {
+        this.setState("small");
+      } else {
+        this.setState("closed");
+      }
+    },
+  },
+};
+</script>
+
+<style lang="scss" scoped>
+.bottom-sheet {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  overflow-x: hidden;
+  overflow-y: hidden;
+}
+
+.bottom-sheet-bg {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: rgba(black, 0.4);
+}
+
+.bottom-sheet-handle {
+  height: 20px;
+  background-color: white;
+  position: relative;
+  .bottom-sheet-handle-decoration {
+    background-color: #cccccc;
+    height: 2px;
+    position: absolute;
+    top: 50%;
+    left: 30%;
+    right: 30%;
+  }
+}
+
+.bottom-sheet-content {
+  position: absolute;
+  top: 0px;
+  bottom: 0px;
+  left: 0;
+  right: 0;
+  border-radius: 10px 10px 0px 0px;
+  background-color: white;
+  overflow: hidden;
+}
+
+.bottom-sheet-content[data-state="small"],
+.bottom-sheet-content[data-state="open"],
+.bottom-sheet-content[data-state="closed"] {
+  transition: top 0.3s ease-out;
+}
+</style>
diff --git a/src/components/Chat.vue b/src/components/Chat.vue
index 9e9c68d..fd82805 100644
--- a/src/components/Chat.vue
+++ b/src/components/Chat.vue
@@ -195,6 +195,19 @@
           </v-btn>
         </v-col>
 
+        <v-col v-if="config.useShortCodeStickers" class="input-area-button text-center flex-grow-0 flex-shrink-1">
+            <v-btn
+              v-if="!showRecorder"
+              icon
+              large
+              color="black"
+              @click="showStickerPicker"
+              :disabled="attachButtonDisabled"
+            >
+              <v-icon large>face</v-icon>
+            </v-btn>
+        </v-col>
+
         <v-col class="input-area-button text-center flex-grow-0 flex-shrink-1">
           <label icon flat ref="attachmentLabel">
             <v-btn
@@ -275,6 +288,8 @@
       <VEmojiPicker ref="emojiPicker" style="width: 100%" @select="emojiSelected" />
     </MessageOperationsBottomSheet>
 
+    <StickerPickerBottomSheet ref="stickerPickerSheet" style="z-index:10" v-on:selectSticker="sendSticker" />
+
     <!-- "NOT ALLOWED FOR GUEST ACCOUNTS" dialog -->
     <v-dialog v-model="showNotAllowedForGuests" class="ma-0 pa-0" width="50%">
       <v-card>
@@ -320,11 +335,13 @@ import MessageIncomingFile from "./messages/MessageIncomingFile";
 import MessageIncomingImage from "./messages/MessageIncomingImage.vue";
 import MessageIncomingAudio from "./messages/MessageIncomingAudio.vue";
 import MessageIncomingVideo from "./messages/MessageIncomingVideo.vue";
+import MessageIncomingSticker from "./messages/MessageIncomingSticker.vue";
 import MessageOutgoingText from "./messages/MessageOutgoingText";
 import MessageOutgoingFile from "./messages/MessageOutgoingFile";
 import MessageOutgoingImage from "./messages/MessageOutgoingImage.vue";
 import MessageOutgoingAudio from "./messages/MessageOutgoingAudio.vue";
 import MessageOutgoingVideo from "./messages/MessageOutgoingVideo.vue";
+import MessageOutgoingSticker from "./messages/MessageOutgoingSticker.vue";
 import ContactJoin from "./messages/ContactJoin.vue";
 import ContactLeave from "./messages/ContactLeave.vue";
 import ContactInvited from "./messages/ContactInvited.vue";
@@ -343,6 +360,10 @@ import VoiceRecorder from "./VoiceRecorder";
 import RoomInfoBottomSheet from "./RoomInfoBottomSheet";
 import CreatedRoomWelcomeHeader from "./CreatedRoomWelcomeHeader";
 import MessageOperationsBottomSheet from './MessageOperationsBottomSheet';
+import stickers from '../plugins/stickers';
+import StickerPickerBottomSheet from './StickerPickerBottomSheet';
+import BottomSheet from './BottomSheet.vue';
+import config from "../assets/config";
 
 const READ_RECEIPT_TIMEOUT = 5000; /* How long a message must have been visible before the read marker is updated */
 const WINDOW_BUFFER_SIZE = 0.3 /** Relative window height of when we start paginating. Always keep this much loaded before and after our scroll position!  */
@@ -384,11 +405,13 @@ export default {
     MessageIncomingImage,
     MessageIncomingAudio,
     MessageIncomingVideo,
+    MessageIncomingSticker,
     MessageOutgoingText,
     MessageOutgoingFile,
     MessageOutgoingImage,
     MessageOutgoingAudio,
     MessageOutgoingVideo,
+    MessageOutgoingSticker,
     ContactJoin,
     ContactLeave,
     ContactInvited,
@@ -404,11 +427,14 @@ export default {
     VoiceRecorder,
     RoomInfoBottomSheet,
     CreatedRoomWelcomeHeader,
-    MessageOperationsBottomSheet
+    MessageOperationsBottomSheet,
+    StickerPickerBottomSheet,
+    BottomSheet,
   },
 
   data() {
-    return {
+      return {
+      config: config,
       events: [],
       currentInput: "",
       typingMembers: [],
@@ -820,6 +846,8 @@ export default {
               return MessageIncomingVideo;
             } else if (event.getContent().msgtype == "m.file") {
               return MessageIncomingFile;
+            } else if (stickers.isStickerShortcode(event.getContent().body)) {
+              return MessageIncomingSticker;
             }
             return MessageIncomingText;
           } else {
@@ -831,6 +859,8 @@ export default {
               return MessageOutgoingVideo;
             } else if (event.getContent().msgtype == "m.file") {
               return MessageOutgoingFile;
+            } else if (stickers.isStickerShortcode(event.getContent().body)) {
+              return MessageOutgoingSticker;
             }
             return MessageOutgoingText;
           }
@@ -980,6 +1010,10 @@ export default {
       }
     },
 
+    showStickerPicker() {
+       this.$refs.stickerPickerSheet.open();
+    },
+
     onUploadProgress(p) {
       if (p.total) {
         this.currentSendProgress =
@@ -1200,6 +1234,10 @@ export default {
         });
     },
 
+    sendSticker(stickerShortCode) {
+      this.sendMessage(stickerShortCode);
+    },
+
     showContextMenuForEvent(e) {
       const event = e.event;
       const ref = this.$refs[event.getId()];
diff --git a/src/components/StickerPickerBottomSheet.vue b/src/components/StickerPickerBottomSheet.vue
new file mode 100644
index 0000000..e7c11bc
--- /dev/null
+++ b/src/components/StickerPickerBottomSheet.vue
@@ -0,0 +1,77 @@
+<template>
+  <BottomSheet ref="sheet" class="sticker-picker">
+    <v-tabs
+      v-model="currentStickerPack"
+      centered
+      class="tabs"
+      show-arrows
+    >
+      <v-tabs-slider></v-tabs-slider>
+
+      <v-tab v-for="pack in packs" :key="pack">
+        {{ pack }}
+        <v-icon>mdi-phone</v-icon>
+      </v-tab>
+    </v-tabs>
+
+    <v-tabs-items v-model="currentStickerPack" class="tab-items">
+      <v-tab-item v-for="pack in packs" :key="pack">
+        <v-card flat>
+          <v-container fluid>
+            <v-row>
+              <v-col cols="2" v-for="sticker in stickersInPack(pack)" :key="pack + sticker.name">
+                <v-img @click="selectSticker(pack, sticker)" :src="sticker.image" contain />
+              </v-col>
+            </v-row>
+          </v-container>
+        </v-card>
+      </v-tab-item>
+    </v-tabs-items>
+  </BottomSheet>
+</template>
+
+<script>
+import BottomSheet from "./BottomSheet";
+import stickers from '../plugins/stickers';
+
+export default {
+  components: {
+    BottomSheet,
+  },
+  data() {
+    return {
+      currentStickerPack: 'tab-0',
+    };
+  },
+  computed: {
+    packs() {
+      return stickers.getPacks();
+    }
+  },
+  mounted() {},
+  methods: {
+    open() {
+      this.$refs.sheet.open();
+    },
+    stickersInPack(pack) {
+      return stickers.stickersInPack(pack);
+    },
+    selectSticker(pack, sticker) {
+      this.$refs.sheet.close();
+      this.$emit('selectSticker', stickers.getStickerShortcode(pack, sticker));
+    }
+  },
+};
+</script>
+
+<style lang="scss">
+@import "@/assets/css/chat.scss";
+</style>
+
+<style lang="scss">
+.sticker-picker .tabs {
+  position: sticky;
+  top: 0px;
+  z-index: 1;
+}
+</style>
\ No newline at end of file
diff --git a/src/components/messages/MessageIncomingSticker.vue b/src/components/messages/MessageIncomingSticker.vue
new file mode 100644
index 0000000..f992c72
--- /dev/null
+++ b/src/components/messages/MessageIncomingSticker.vue
@@ -0,0 +1,49 @@
+<template>
+  <div :class="messageClasses">
+    <v-avatar class="avatar" size="32" color="#ededed">
+      <img v-if="messageEventAvatar(event)" :src="messageEventAvatar(event)" />
+      <span v-else class="white--text headline">{{
+        messageEventDisplayName(event).substring(0, 1).toUpperCase()
+      }}</span>
+    </v-avatar>
+    <div class="bubble sticker-bubble">
+      <v-img :aspect-ratio="16 / 9" ref="image" :src="src" :cover="cover" :contain="contain" />
+      <QuickReactions :event="event" :reactions="reactions" />
+    </div>
+    <div class="op-button" ref="opbutton">
+      <v-btn icon @click.stop="showContextMenu($refs.opbutton)"
+        ><v-icon>more_vert</v-icon></v-btn
+      >
+    </div>
+    <div v-if="showSenderAndTime" class="senderAndTime">
+      <div class="sender">{{ messageEventDisplayName(event) }}</div>
+      <div class="time">
+        {{ formatTime(event.event.origin_server_ts) }}
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import messageMixin from "./messageMixin";
+import stickers from "../../plugins/stickers";
+
+export default {
+  mixins: [messageMixin],
+  data() {
+    return {
+      src: null,
+      cover: false,
+      contain: true,
+    };
+  },
+  mounted() {
+    //console.log("Mounted with event:", JSON.stringify(this.event.getContent()));
+    this.src = stickers.getStickerImage(this.event.getContent().body)
+  },
+};
+</script>
+
+<style lang="scss">
+@import "@/assets/css/chat.scss";
+</style>
\ No newline at end of file
diff --git a/src/components/messages/MessageOutgoingSticker.vue b/src/components/messages/MessageOutgoingSticker.vue
new file mode 100644
index 0000000..2063de0
--- /dev/null
+++ b/src/components/messages/MessageOutgoingSticker.vue
@@ -0,0 +1,47 @@
+<template>
+  <div class="messageOut">
+    <div class="op-button" ref="opbutton">
+      <v-btn icon @click.stop="showContextMenu($refs.opbutton)"
+        ><v-icon>more_vert</v-icon></v-btn
+      >
+    </div>
+    <div class="bubble sticker-bubble">
+      <v-img :aspect-ratio="16 / 9" ref="image" :src="src" :cover="cover" :contain="contain" />
+      <QuickReactions :event="event" :reactions="reactions" />
+    </div>
+    <v-avatar class="avatar" size="32" color="#ededed" @click.stop="ownAvatarClicked">
+      <img v-if="userAvatar" :src="userAvatar" />
+      <span v-else class="white--text headline">{{ userAvatarLetter }}</span>
+    </v-avatar>
+    <div class="senderAndTime">
+      <!-- <div class="sender">{{ "You" }}</div> -->
+      <div class="time">
+        {{ formatTime(event.event.origin_server_ts) }}
+        <div class="status">{{ event.status }}</div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import messageMixin from "./messageMixin";
+import stickers from "../../plugins/stickers";
+
+export default {
+  mixins: [messageMixin],
+  data() {
+    return {
+      src: null,
+      cover: false,
+      contain: true,
+    };
+  },
+  mounted() {
+    this.src = stickers.getStickerImage(this.event.getContent().body)
+  },
+};
+</script>
+
+<style lang="scss">
+@import "@/assets/css/chat.scss";
+</style>
\ No newline at end of file
diff --git a/src/plugins/stickers.js b/src/plugins/stickers.js
new file mode 100644
index 0000000..0ae5085
--- /dev/null
+++ b/src/plugins/stickers.js
@@ -0,0 +1,66 @@
+const stickerPacks = {};
+stickerPacks.ordering = [];
+const stickerCodeMap = {};
+
+try {
+    const stickerPackInfo = require("!!raw-loader!@/assets/stickers/order.txt").default;
+    const packInfo = stickerPackInfo.split("\n");
+    for (let i = 0; i < packInfo.length; i++) {
+        const pack = packInfo[i];
+        if (pack && pack.length > 0) {
+            stickerPacks[pack] = [];
+            stickerPacks.ordering.push(pack);
+        }
+    }
+} catch (ignorederr) {
+    //
+}
+
+function importAll(r) {
+    return r.keys().map(res => {
+        // Remove"./"
+        const parts = res.split("/");
+        const pack = parts[1];
+        const sticker = parts[2].split(".")[0];
+        const image = r(res);
+        if (stickerPacks[pack] !== undefined) {
+            stickerPacks[pack].push({ image: image, name: sticker });
+            stickerCodeMap[":" + pack + "-" + sticker + ":"] = image;
+        }
+    });
+}
+importAll(require.context('@/assets/stickers/', true, /\.png$/));
+
+class Stickers {
+    constructor() {
+    }
+
+    isStickerShortcode(messageBody) {
+        if (messageBody && messageBody.startsWith(":") && messageBody.startsWith(":") && messageBody.length >= 5) {
+            const image = this.getStickerImage(messageBody);
+            return image != undefined && image != null;
+        }
+        return false;
+    }
+
+    getStickerShortcode(pack, sticker) {
+        return ":" + pack + "-" + sticker.name + ":";
+    }
+
+    getPacks() {
+        return stickerPacks.ordering;
+    }
+
+    getStickerImage(messageBody) {
+        if (!messageBody) return null;
+        if (messageBody.length < 5 || !messageBody.startsWith(":") || !messageBody.endsWith(":")) return null;
+        return stickerCodeMap[messageBody];
+    }
+
+    stickersInPack(pack) {
+        return stickerPacks[pack];
+    }
+}
+
+var gStickers = new Stickers();
+export default gStickers;