Reland: Update image and text color when row is selected in the chooser on Mac

chrome/browser/ui/cocoa/chooser_content_view_cocoa.mm

Index: chrome/browser/ui/cocoa/chooser_content_view_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/chooser_content_view_cocoa.mm b/chrome/browser/ui/cocoa/chooser_content_view_cocoa.mm
index 567c9fe27604ca7c9511ea5707e09a5a35b595d4..b29926866c6ea9eed422694d0b8d5cc12a9a59bc 100644
--- a/chrome/browser/ui/cocoa/chooser_content_view_cocoa.mm
+++ b/chrome/browser/ui/cocoa/chooser_content_view_cocoa.mm
@@ -61,9 +61,12 @@ const CGFloat kTableRowViewHorizontalPadding = 5.0f;
 const CGFloat kTableRowViewVerticalPadding = 1.0f;
 
 // The lookup table for signal strength level image.
-const int kSignalStrengthLevelImageIds[5] = {IDR_SIGNAL_0_BAR, IDR_SIGNAL_1_BAR,
-                                             IDR_SIGNAL_2_BAR, IDR_SIGNAL_3_BAR,
-                                             IDR_SIGNAL_4_BAR};
+const int kSignalStrengthLevelBlackImageIds[5] = {
+    IDR_SIGNAL_0_BAR_BLACK, IDR_SIGNAL_1_BAR_BLACK, IDR_SIGNAL_2_BAR_BLACK,
+    IDR_SIGNAL_3_BAR_BLACK, IDR_SIGNAL_4_BAR_BLACK};
+const int kSignalStrengthLevelWhiteImageIds[5] = {
+    IDR_SIGNAL_0_BAR_WHITE, IDR_SIGNAL_1_BAR_WHITE, IDR_SIGNAL_2_BAR_WHITE,
+    IDR_SIGNAL_3_BAR_WHITE, IDR_SIGNAL_4_BAR_WHITE};
 
 // Creates a label with |text|.
 base::scoped_nsobject<NSTextField> CreateLabel(NSString* text) {
@@ -75,6 +78,7 @@ base::scoped_nsobject<NSTextField> CreateLabel(NSString* text) {
   [label setSelectable:NO];
   [label setStringValue:text];
   [label setFont:[NSFont systemFontOfSize:[NSFont systemFontSize]]];
+  [label setTextColor:[NSColor blackColor]];
   [label sizeToFit];
   return label;
 }
@@ -146,8 +150,8 @@ base::scoped_nsobject<NSTextField> CreateLabel(NSString* text) {
     } else if (level != -1) {
       DCHECK_GE(level, 0);
       DCHECK_LT(level, base::checked_cast<NSInteger>(
-                           arraysize(kSignalStrengthLevelImageIds)));
-      image = rb.GetNativeImageNamed(kSignalStrengthLevelImageIds[level])
+                           arraysize(kSignalStrengthLevelBlackImageIds)));
+      image = rb.GetNativeImageNamed(kSignalStrengthLevelBlackImageIds[level])
                   .ToNSImage();
     }
 
@@ -805,6 +809,49 @@ void ChooserContentViewController::UpdateTableView() {
   chooserController_->OpenHelpCenterUrl();
 }
 
+- (void)updateContentRowColor {
+  NSInteger selectedRow = [tableView_ selectedRow];
+  NSInteger numRows = [self numberOfOptions];
+  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
+  for (NSInteger rowIndex = 0; rowIndex < numRows; ++rowIndex) {
+    // Update the color of the text.
+    [[self tableRowViewText:rowIndex]
+        setTextColor:(rowIndex == selectedRow ? [NSColor whiteColor]
+                                              : [NSColor blackColor])];
+
+    // Update the color of the image.
+    if (chooserController_->ShouldShowIconBeforeText()) {
+      if (chooserController_->IsConnected(rowIndex)) {
+        [[self tableRowViewImage:rowIndex]
+            setImage:gfx::NSImageFromImageSkia(gfx::CreateVectorIcon(
+                         gfx::VectorIconId::BLUETOOTH_CONNECTED,
+                         rowIndex == selectedRow ? SK_ColorWHITE
+                                                 : gfx::kChromeIconGrey))];
+      } else {
+        int signalStrengthLevel =
+            chooserController_->GetSignalStrengthLevel(rowIndex);
+        if (signalStrengthLevel != -1) {
+          int imageId =
+              rowIndex == selectedRow
+                  ? kSignalStrengthLevelWhiteImageIds[signalStrengthLevel]
+                  : kSignalStrengthLevelBlackImageIds[signalStrengthLevel];
+          [[self tableRowViewImage:rowIndex]
+              setImage:rb.GetNativeImageNamed(imageId).ToNSImage()];
+        }
+      }
+    }
+
+    // Update the color of paired status.
+    NSTextField* pairedStatusText = [self tableRowViewPairedStatus:rowIndex];
+    if (pairedStatusText) {
+      [pairedStatusText
+          setTextColor:(skia::SkColorToCalibratedNSColor(
+                           rowIndex == selectedRow ? gfx::kGoogleGreen300
+                                                   : gfx::kGoogleGreen700))];
+    }
+  }
+}
+
 - (NSImageView*)tableRowViewImage:(NSInteger)row {
   ChooserContentTableRowView* tableRowView =
       [tableView_ viewAtColumn:0 row:row makeIfNecessary:YES];