add a camera-switch button

src/components/GiftedDialog.vue

@@ -53,7 +53,7 @@
             }"
             class="text-blue-500"
           >
-            More Options
+            Photo, ...
           </router-link>
         </span>
       </div>

src/components/GiftedPhotoDialog.vue

@@ -48,7 +48,12 @@
           Camera "resolution" doesn't change how it shows on screen but rather stretches the result, eg the following which just stretches it vertically:
           :resolution="{ width: 375, height: 812 }"
         -->
-        <camera facingMode="environment" autoplay ref="camera">
+        <camera
+          facingMode="environment"
+          autoplay
+          ref="camera"
+          @started="cameraStarted"
+        >
           <div
             class="absolute portrait:bottom-0 portrait:left-0 portrait:right-0 landscape:right-0 landscape:top-0 landscape:bottom-0 flex landscape:flex-row justify-center items-center portrait:pb-2 landscape:pr-4"
           >
@@ -59,6 +64,14 @@
               <fa icon="camera" class="w-[1em]"></fa>
             </button>
           </div>
+          <div v-if="numDevices > 1" class="absolute bottom-2 right-4">
+            <button
+              @click="switchCamera"
+              class="bg-blue-500 hover:bg-blue-700 text-white font-bold p-3 rounded-full text-2xl leading-none"
+            >
+              <fa icon="rotate" class="w-[1em]"></fa>
+            </button>
+          </div>
         </camera>
       </div>
     </div>
@@ -80,12 +93,11 @@ import { accessToken } from "@/libs/crypto";
 export default class GiftedPhotoDialog extends Vue {
   $notify!: (notification: NotificationIface, timeout?: number) => void;
 
+  activeDeviceNumber = 0;
   activeDid = "";
   blob: Blob | null = null;
+  numDevices = 0;
   setImage: (arg: string) => void = () => {};
-  imageHeight?: number = window.innerHeight / 2;
-  imageWidth?: number = window.innerWidth / 2;
-  imageWarning = ".";
   uploading = false;
   visible = false;
 
@@ -129,6 +141,20 @@ export default class GiftedPhotoDialog extends Vue {
     this.blob = null;
   }
 
+  async cameraStarted() {
+    const cameraComponent = this.$refs.camera as InstanceType<typeof Camera>;
+    if (cameraComponent) {
+      this.numDevices = (await cameraComponent.devices(["videoinput"])).length;
+    }
+  }
+
+  async switchCamera() {
+    const cameraComponent = this.$refs.camera as InstanceType<typeof Camera>;
+    this.activeDeviceNumber = (this.activeDeviceNumber + 1) % this.numDevices;
+    const devices = await cameraComponent?.devices(["videoinput"]);
+    cameraComponent?.changeCamera(devices[this.activeDeviceNumber].deviceId);
+  }
+
   async takeImage(/* payload: MouseEvent */) {
     const cameraComponent = this.$refs.camera as InstanceType<typeof Camera>;
 
@@ -200,7 +226,6 @@ export default class GiftedPhotoDialog extends Vue {
    <canvas id="canvas" width="320" height="240"></canvas>
 
   async cameraClicked() {
-    console.log("camera_button clicked");
     const video = document.querySelector("#video");
     const stream = await navigator.mediaDevices.getUserMedia({
       video: true,
@@ -211,7 +236,6 @@ export default class GiftedPhotoDialog extends Vue {
     }
   }
   photoSnapped() {
-    console.log("snap_photo clicked");
     const video = document.querySelector("#video");
     const canvas = document.querySelector("#canvas");
     if (
@@ -232,7 +256,6 @@ export default class GiftedPhotoDialog extends Vue {
 
       // data url of the image
       const image_data_url = canvas?.toDataURL("image/jpeg");
-      console.log(image_data_url);
     }
   }
   ****/

src/views/HelpView.vue

@@ -198,9 +198,7 @@
           <ul>
             <li class="list-disc list-outside ml-4">
               Chrome:
-              <a href="chrome://settings/content/all" class="text-blue-500"
-                >clear here</a
-              >
+              Clear at chrome://settings/content/all and
               also clear under dev tools Application
             </li>
             <li class="list-disc list-outside ml-4">