fix(input-group): fix browser autofill issue (#15821)

Author: desig9stein

projects/igniteui-angular/src/lib/core/styles/components/input/_input-group-component.scss

@@ -51,7 +51,7 @@
 
         @include e(input) {
             @extend %form-group-input !optional;
-            @extend %chrome-autofill-fix !optional;
+            @extend %autofill-background-fix !optional;
             @extend %edge-clear-icon-fix !optional;
 
             &:hover {
@@ -403,6 +403,7 @@
 
         // Type border START
         @include m(border) {
+            @extend %form-group-display--border !optional;
             @extend %form-group-display--no-margin !optional;
 
             @include e(bundle) {

projects/igniteui-angular/src/lib/core/styles/components/input/_input-group-theme.scss

@@ -393,6 +393,25 @@
         }
     }
 
+    @if $variant == 'material' {
+        %form-group-display--border {
+            &:has(input:-webkit-autofill, input:autofill) {
+                %igx-input-group__notch--border {
+                    border-block-start-color: transparent;
+                }
+
+                %form-group-label {
+                    --label-position: #{sizable(18px, 22px, 26px)};
+
+                    transform: translateY(calc(var(--label-position) * -1));
+                    margin-top: 0;
+                    overflow: hidden;
+                    will-change: font-size, color, transform;
+                }
+            }
+        }
+    }
+
     %form-group-display--box {
         %form-group-border {
             margin-bottom: 0;
@@ -463,6 +482,20 @@
                 --size: var(--input-icon) !important;
             }
         }
+
+        @if $variant == 'material' {
+            &:not(%form-group-display--border) {
+                &:has(input:-webkit-autofill, input:autofill) {
+                    %form-group-label {
+                        --floating-label-position: -73%;
+
+                        @include type-style('caption');
+
+                        transform: translateY(var(--floating-label-position));
+                    }
+                }
+            }
+        }
     }
 
     %form-group-placeholder {
@@ -1179,13 +1212,20 @@
         }
     }
 
-    %chrome-autofill-fix {
+    // This is a hack that removes the autofill background and it's essential,
+    // otherwise the background is on top of the floating label in material theme.
+    // The !important flag is because bootstrap theme(and potentially feature themes) is overriding the transition delay.
+    %autofill-background-fix {
         &:-webkit-autofill,
         &:-webkit-autofill:hover,
         &:-webkit-autofill:focus,
-        &:-webkit-autofill:active {
-            -webkit-transition-delay: 99999s;
-            transition-delay: 99999s;
+        &:-webkit-autofill:active,
+        &:autofill,
+        &:autofill:hover,
+        &:autofill:focus,
+        &:autofill:active, {
+            -webkit-transition-delay: 99999s !important;
+            transition-delay: 99999s !important;
         }
     }
 
@@ -1980,7 +2020,15 @@
             map.get($bootstrap-inline-padding, 'cosy'),
             map.get($bootstrap-inline-padding, 'comfortable')
         );
-        transition: box-shadow .15s ease-out, border .15s ease-out;
+    }
+
+    // The :not selector is needed otherwise bootstrap will override the %autofill-background-fix
+    %form-group-display--bootstrap {
+        :not(:has(input:-webkit-autofill, input:autofill)) {
+            %bootstrap-input {
+                transition: box-shadow .15s ease-out, border .15s ease-out;
+            }
+        }
     }
 
     %bootstrap-input,