From 09ceefe0530303fc29d82b8255d5eef43062eb0f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Matheus?= <joaoomatheus@hotmail.com>
Date: Mon, 11 Mar 2024 13:48:34 -0300
Subject: [PATCH] feat: ability to zoom on chat images

---
 .../scss/widgets/_conversation-view.scss      |  1 +
 .../conversation/components/GalleryView.vue   | 49 ++++++++++++++++++-
 .../FluentIcon/dashboard-icons.json           |  2 +
 3 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/app/javascript/dashboard/assets/scss/widgets/_conversation-view.scss b/app/javascript/dashboard/assets/scss/widgets/_conversation-view.scss
index b51cbe07d..35d3ed46a 100644
--- a/app/javascript/dashboard/assets/scss/widgets/_conversation-view.scss
+++ b/app/javascript/dashboard/assets/scss/widgets/_conversation-view.scss
@@ -31,6 +31,7 @@
 
       .modal-image {
         @apply max-h-[76vh] max-w-[76vw];
+        transition: transform 0.3s ease-in-out;
       }
 
       .modal-video {
diff --git a/app/javascript/dashboard/components/widgets/conversation/components/GalleryView.vue b/app/javascript/dashboard/components/widgets/conversation/components/GalleryView.vue
index 2b324527e..477962745 100644
--- a/app/javascript/dashboard/components/widgets/conversation/components/GalleryView.vue
+++ b/app/javascript/dashboard/components/widgets/conversation/components/GalleryView.vue
@@ -47,6 +47,22 @@
           class="items-center flex gap-2 justify-end min-w-[8rem] sm:min-w-[15rem]"
           @click.stop
         >
+          <woot-button
+            v-if="isImage"
+            size="large"
+            color-scheme="secondary"
+            variant="clear"
+            icon="zoom-in"
+            @click="onZoom(0.05)"
+          />
+          <woot-button
+            v-if="isImage"
+            size="large"
+            color-scheme="secondary"
+            variant="clear"
+            icon="zoom-out"
+            @click="onZoom(-0.05)"
+          />
           <woot-button
             v-if="isImage"
             size="large"
@@ -104,7 +120,8 @@
               :src="activeAttachment.data_url"
               class="modal-image skip-context-menu my-0 mx-auto"
               :style="imageRotationStyle"
-              @click.stop
+              @click.stop="onClickZoomImage"
+              @wheel.stop="onWheelImageZoom"
             />
             <video
               v-if="isVideo"
@@ -195,6 +212,7 @@ export default {
   },
   data() {
     return {
+      zoomScale: 1,
       activeAttachment: {},
       activeFileType: '',
       activeImageIndex:
@@ -250,7 +268,8 @@ export default {
     },
     imageRotationStyle() {
       return {
-        transform: `rotate(${this.activeImageRotation}deg)`,
+        transform: `rotate(${this.activeImageRotation}deg) scale(${this.zoomScale})`,
+        cursor: this.zoomScale < 1.5 ? 'zoom-in' : 'zoom-out',
       };
     },
   },
@@ -316,6 +335,32 @@ export default {
         this.activeImageRotation += rotation;
       }
     },
+    onClickZoomImage() {
+      this.onZoom(0.05);
+    },
+    onZoom(scale) {
+      if (!this.isImage) {
+        return;
+      }
+      // Reset zoom scale if it is 1.5
+      if (scale > 0 && this.zoomScale >= 1.5) {
+        this.zoomScale = 1;
+        return;
+      }
+      // Reset zoom scale if it is 0.5
+      if (scale < 0 && this.zoomScale <= 0.5) {
+        this.zoomScale = 1;
+        return;
+      }
+      this.zoomScale += scale;
+    },
+    onWheelImageZoom(e) {
+      if (!this.isImage) {
+        return;
+      }
+      const scale = e.deltaY > 0 ? -0.05 : 0.05;
+      this.onZoom(scale);
+    },
   },
 };
 </script>
diff --git a/app/javascript/shared/components/FluentIcon/dashboard-icons.json b/app/javascript/shared/components/FluentIcon/dashboard-icons.json
index 678045469..44d52298b 100644
--- a/app/javascript/shared/components/FluentIcon/dashboard-icons.json
+++ b/app/javascript/shared/components/FluentIcon/dashboard-icons.json
@@ -125,6 +125,8 @@
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   "lock-closed-outline": "M12 2a4 4 0 0 1 4 4v2h1.75A2.25 2.25 0 0 1 20 10.25v9.5A2.25 2.25 0 0 1 17.75 22H6.25A2.25 2.25 0 0 1 4 19.75v-9.5A2.25 2.25 0 0 1 6.25 8H8V6a4 4 0 0 1 4-4Zm5.75 7.5H6.25a.75.75 0 0 0-.75.75v9.5c0 .414.336.75.75.75h11.5a.75.75 0 0 0 .75-.75v-9.5a.75.75 0 0 0-.75-.75Zm-5.75 4a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Zm0-10A2.5 2.5 0 0 0 9.5 6v2h5V6A2.5 2.5 0 0 0 12 3.5Z",
   "lock-shield-outline": "M10 2a4 4 0 0 1 4 4v2h1.75A2.25 2.25 0 0 1 18 10.25V11c-.319 0-.637.11-.896.329l-.107.1c-.164.17-.33.323-.496.457L16.5 10.25a.75.75 0 0 0-.75-.75H4.25a.75.75 0 0 0-.75.75v9.5c0 .414.336.75.75.75h9.888a6.024 6.024 0 0 0 1.54 1.5H4.25A2.25 2.25 0 0 1 2 19.75v-9.5A2.25 2.25 0 0 1 4.25 8H6V6a4 4 0 0 1 4-4Zm8.284 10.122c.992 1.036 2.091 1.545 3.316 1.545.193 0 .355.143.392.332l.008.084v2.501c0 2.682-1.313 4.506-3.873 5.395a.385.385 0 0 1-.253 0c-2.476-.86-3.785-2.592-3.87-5.13L14 16.585v-2.5c0-.23.18-.417.4-.417 1.223 0 2.323-.51 3.318-1.545a.389.389 0 0 1 .566 0ZM10 13.5a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Zm0-10A2.5 2.5 0 0 0 7.5 6v2h5V6A2.5 2.5 0 0 0 10 3.5Z",
+  "zoom-in-outline": "M17.5 10c0 1.71-.572 3.287-1.536 4.548l4.743 4.745a1 1 0 0 1-1.32 1.497l-.094-.083-4.745-4.743A7.5 7.5 0 1 1 17.5 10ZM10 5.5a1 1 0 0 0-1 1V9H6.5a1 1 0 1 0 0 2H9v2.5a1 1 0 1 0 2 0V11h2.5a1 1 0 1 0 0-2H11V6.5a1 1 0 0 0-1-1Z",
+  "zoom-out-outline": "M17.5 10a7.5 7.5 0 1 0-2.952 5.964l4.745 4.743.094.083a1 1 0 0 0 1.32-1.497l-4.743-4.745A7.468 7.468 0 0 0 17.5 10Zm-4-1a1 1 0 1 1 0 2h-7a1 1 0 1 1 0-2h7Z",
   "mail-inbox-outline": "M6.25 3h11.5a3.25 3.25 0 0 1 3.245 3.066L21 6.25v11.5a3.25 3.25 0 0 1-3.066 3.245L17.75 21H6.25a3.25 3.25 0 0 1-3.245-3.066L3 17.75V6.25a3.25 3.25 0 0 1 3.066-3.245L6.25 3h11.5h-11.5ZM4.5 14.5v3.25a1.75 1.75 0 0 0 1.606 1.744l.144.006h11.5a1.75 1.75 0 0 0 1.744-1.607l.006-.143V14.5h-3.825a3.752 3.752 0 0 1-3.475 2.995l-.2.005a3.752 3.752 0 0 1-3.632-2.812l-.043-.188H4.5v3.25v-3.25Zm13.25-10H6.25a1.75 1.75 0 0 0-1.744 1.606L4.5 6.25V13H9a.75.75 0 0 1 .743.648l.007.102a2.25 2.25 0 0 0 4.495.154l.005-.154a.75.75 0 0 1 .648-.743L15 13h4.5V6.25a1.75 1.75 0 0 0-1.607-1.744L17.75 4.5Z",
   "mail-inbox-all-outline": "M6.25 3h11.5a3.25 3.25 0 0 1 3.245 3.066L21 6.25v11.5a3.25 3.25 0 0 1-3.066 3.245L17.75 21H6.25a3.25 3.25 0 0 1-3.245-3.066L3 17.75V6.25a3.25 3.25 0 0 1 3.066-3.245L6.25 3Zm2.075 11.5H4.5v3.25a1.75 1.75 0 0 0 1.606 1.744l.144.006h11.5a1.75 1.75 0 0 0 1.744-1.607l.006-.143V14.5h-3.825a3.752 3.752 0 0 1-3.475 2.995l-.2.005a3.752 3.752 0 0 1-3.632-2.812l-.043-.188Zm9.425-10H6.25a1.75 1.75 0 0 0-1.744 1.606L4.5 6.25V13H9a.75.75 0 0 1 .743.648l.007.102a2.25 2.25 0 0 0 4.495.154l.005-.154a.75.75 0 0 1 .648-.743L15 13h4.5V6.25a1.75 1.75 0 0 0-1.607-1.744L17.75 4.5Zm-11 5h10.5a.75.75 0 0 1 .102 1.493L17.25 11H6.75a.75.75 0 0 1-.102-1.493L6.75 9.5h10.5-10.5Zm0-3h10.5a.75.75 0 0 1 .102 1.493L17.25 8H6.75a.75.75 0 0 1-.102-1.493L6.75 6.5h10.5-10.5Z",
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