change theme switch

add fab icon for share screen pdf , camera change and change theme dark/light

src/App.vue

@@ -1,6 +1,6 @@
 <template>
-  <v-app>
-    <v-content>
+  <v-app fill-height dark>
+    <v-content fill-height >
       <v-text-field   v-if="!start" v-model="username" label="please enter name"></v-text-field> <v-btn v-if="!start" @click="startM">Start</v-btn>
       <VueJanus v-if="start" server="https://vid.w3ic.org/janus" :room="room" :username="username"/>
     </v-content>

src/lib/VueJanus.vue

@@ -1,10 +1,7 @@
 <template>
-    <v-container>
-        <v-btn @click="deviceSelectDialog = true">change</v-btn>
-        <v-btn @click="screenShare">share a screen</v-btn>
-        <v-btn @click="sharePdf=true">share a pdf</v-btn>
-        <PdfShare v-if="sharePdf" :username="username"  :opaque-id="opaqueId" :room="room" :janus-init="janusInit" ></PdfShare>
 
+    <v-container fill-height>
+        <PdfShare v-if="sharePdf" :username="username"  :opaque-id="opaqueId" :room="room" :janus-init="janusInit" ></PdfShare>
         <v-dialog
                 v-model="mozillaAlert"
                 max-width="290"
@@ -98,6 +95,57 @@
                     <RemoteFeed :opaqueId="opaqueId" :mypvtid="mypvtid" :feedid="remoteStream.id" :remote-stream="remoteStream" :janusInit="janusInit" :room="room" ></RemoteFeed>
             </v-col>
         </v-row>
+        <v-speed-dial
+                v-model="fab"
+                bottom
+                left
+                direction="top"
+                open-on-hover
+        >
+            <template v-slot:activator>
+                <v-btn
+                        v-model="fab"
+                        color="blue darken-2"
+                        dark
+                        fab
+                >
+                    <v-icon v-if="fab">mdi-cog-outline</v-icon>
+                    <v-icon v-else>mdi-cog-outline</v-icon>
+                </v-btn>
+            </template>
+            <v-btn
+                    fab
+                    dark
+                    small
+                    @click="sharePdf=true"
+            >
+                <v-icon>mdi-pdf-box</v-icon>
+            </v-btn> <v-btn
+                    fab
+                    dark
+                    small
+                    @click="$vuetify.theme.dark=!$vuetify.theme.dark"
+            >
+                <v-icon>mdi-compare</v-icon>
+            </v-btn>
+            <v-btn
+                    fab
+                    dark
+                    small
+
+                    @click="deviceSelectDialog = true"
+            >
+                <v-icon>mdi-camera-outline</v-icon>
+            </v-btn>
+            <v-btn
+                    fab
+                    dark
+                    small
+                    @click="screenShare"
+            >
+                <v-icon>mdi-monitor-screenshot</v-icon>
+            </v-btn>
+        </v-speed-dial>
     </v-container>
 </template>