Add imageViewSize property to MDCChipView.

PiperOrigin-RevId: 750667661

Author: Nobody

components/Chips/src/MDCChipView.h

@@ -162,7 +162,16 @@ When @c centerVisibleArea is @c NO, this value is @c UIEdgeInsetsZero.
 @property(nonatomic, readonly) UIEdgeInsets visibleAreaInsets;
 
 /**
- A block that is invoked when the MDCChipView receives a call to @c
+ The size of the image of the Chip.
+
+ If this property is set to a size other than @c CGSizeZero, the chip will use this size for its
+ image. If this property is set to @c CGSizeZero, the chip will use the image's default size.
+
+ The default value is CGSizeZero.
+ */
+@property(nonatomic, assign) CGSize imageViewSize;
+
+/**
  traitCollectionDidChange:. The block is called after the call to the superclass.
  */
 @property(nonatomic, copy, nullable) void (^traitCollectionDidChangeBlock)

components/Chips/src/MDCChipView.m

@@ -169,6 +169,7 @@ - (void)commonMDCChipViewInit {
   _minimumSize = kMDCChipMinimumSizeDefault;
   self.isAccessibilityElement = YES;
   self.accessibilityTraits = UIAccessibilityTraitButton;
+  self.imageViewSize = CGSizeZero;
   _mdc_overrideBaseElevation = -1;
   _currentElevation = 0;
   if (gEnablePerformantShadow) {
@@ -958,7 +959,9 @@ - (CGRect)frameForImageView:(UIImageView *)imageView visible:(BOOL)visible {
   CGRect contentRect = self.contentRect;
   CGRect frame = CGRectMake(CGRectGetMinX(contentRect), CGRectGetMidY(contentRect), 0, 0);
   if (visible) {
-    CGSize selectedSize = [self sizeForImageView:imageView maxSize:contentRect.size];
+    CGSize selectedSize = CGSizeEqualToSize(self.imageViewSize, CGSizeZero)
+                              ? [self sizeForImageView:imageView maxSize:contentRect.size]
+                              : self.imageViewSize;
     frame = MDCChipBuildFrame(_imagePadding, selectedSize,
                               CGPointMake(CGRectGetMinX(contentRect), CGRectGetMinY(contentRect)),
                               CGRectGetHeight(contentRect), self.pixelScale);

components/Chips/tests/unit/ChipsTests.m

@@ -105,13 +105,17 @@ - (void)testDefaults {
 
   // Then
   CGSize expectedMinimumSize = CGSizeMake(0, 32);
+  CGSize expectedImageViewSize = CGSizeZero;
   UIEdgeInsets expectedContentPadding = UIEdgeInsetsMake(4, 4, 4, 4);
   UIEdgeInsets expectedImagePadding = UIEdgeInsetsZero;
   UIEdgeInsets expectedAccessoryPadding = UIEdgeInsetsZero;
   UIEdgeInsets expectedTitlePadding = UIEdgeInsetsMake(3, 8, 4, 8);
   XCTAssertTrue(CGSizeEqualToSize(chip.minimumSize, expectedMinimumSize),
                 @"(%@) is not equal to (%@)", NSStringFromCGSize(chip.minimumSize),
                 NSStringFromCGSize(expectedMinimumSize));
+  XCTAssertTrue(CGSizeEqualToSize(chip.imageViewSize, expectedImageViewSize),
+                @"(%@) is not equal to (%@)", NSStringFromCGSize(chip.imageViewSize),
+                NSStringFromCGSize(expectedImageViewSize));
   XCTAssertFalse(chip.mdc_adjustsFontForContentSizeCategory);
   XCTAssertNotNil(chip.selectedImageView);
   XCTAssertNotNil(chip.titleLabel);