[Mac] Hover/Pressed background for the Omnibox decorations

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_unittest.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import <ApplicationServices/ApplicationServices.h>
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
@@ skipping 556 matching lines @@
 // Clicking a decoration should call decoration's OnMousePressed.
 TEST_F(AutocompleteTextFieldTest, LeftDecorationMouseDown) {
   // At this point, not focussed.
   EXPECT_FALSE([field_ currentEditor]);
 
   mock_left_decoration_.SetVisible(true);
   EXPECT_CALL(mock_left_decoration_, AcceptsMousePress())
       .WillRepeatedly(Return(true));
 
   AutocompleteTextFieldCell* cell = [field_ cell];
+  [cell updateMouseTrackingAndToolTipsInRect:[field_ frame] ofView:field_];
+
   const NSRect iconFrame =
       [cell frameForDecoration:&mock_left_decoration_ inFrame:[field_ bounds]];
   const NSPoint location = NSMakePoint(NSMidX(iconFrame), NSMidY(iconFrame));
   NSEvent* downEvent = Event(field_, location, NSLeftMouseDown, 1);
   NSEvent* upEvent = Event(field_, location, NSLeftMouseUp, 1);
 
   // Since decorations can be dragged, the mouse-press is sent on
   // mouse-up.
   [NSApp postEvent:upEvent atStart:YES];
 
@@ skipping 27 matching lines @@
 // Clicking a decoration should call decoration's OnMousePressed.
 TEST_F(AutocompleteTextFieldTest, RightDecorationMouseDown) {
   // At this point, not focussed.
   EXPECT_FALSE([field_ currentEditor]);
 
   mock_right_decoration_.SetVisible(true);
   EXPECT_CALL(mock_right_decoration_, AcceptsMousePress())
       .WillRepeatedly(Return(true));
 
   AutocompleteTextFieldCell* cell = [field_ cell];
+  [cell updateMouseTrackingAndToolTipsInRect:[field_ frame] ofView:field_];
+
   const NSRect bounds = [field_ bounds];
   const NSRect iconFrame =
       [cell frameForDecoration:&mock_right_decoration_ inFrame:bounds];
   const NSPoint location = NSMakePoint(NSMidX(iconFrame), NSMidY(iconFrame));
   NSEvent* downEvent = Event(field_, location, NSLeftMouseDown, 1);
   NSEvent* upEvent = Event(field_, location, NSLeftMouseUp, 1);
 
   // Since decorations can be dragged, the mouse-press is sent on
   // mouse-up.
   [NSApp postEvent:upEvent atStart:YES];
@@ skipping 156 matching lines @@
                             ofView:field_];
   EXPECT_FALSE([[field_ cell] showsFirstResponder]);
   EXPECT_FALSE([FieldEditor() shouldDrawInsertionPoint]);
 
   [[field_ cell] setHideFocusState:NO
                             ofView:field_];
   EXPECT_TRUE([[field_ cell] showsFirstResponder]);
   EXPECT_TRUE([FieldEditor() shouldDrawInsertionPoint]);
 }
 
+// Verify that the tracking areas are added properly.
+TEST_F(AutocompleteTextFieldTest, UpdateTrackingAreas) {
+  AutocompleteTextFieldCell* cell =
+      static_cast<AutocompleteTextFieldCell*>([field_ cell]);

[Robert Sesek, 2016/11/11 19:35:07]

Is this cast needed? Line 837 doesn't do it.

[spqchan, 2016/11/12 00:36:20]

Done.

+
+  mock_left_decoration_.SetVisible(true);
+  mock_right_decoration_.SetVisible(true);
+
+  EXPECT_CALL(mock_left_decoration_, AcceptsMousePress())
+      .WillOnce(Return(true))
+      .WillRepeatedly(Return(true));
+  EXPECT_CALL(mock_right_decoration_, AcceptsMousePress())
+      .WillOnce(Return(false))
+      .WillRepeatedly(Return(false));
+  [cell updateMouseTrackingAndToolTipsInRect:[field_ bounds] ofView:field_];
+
+  EXPECT_EQ([cell mouseTrackingDecorations].size(), 1.0);
+
+  [cell clearTrackingArea];
+  EXPECT_TRUE([cell mouseTrackingDecorations].empty());
+
+  EXPECT_CALL(mock_right_decoration_, AcceptsMousePress())
+      .WillOnce(Return(true))
+      .WillRepeatedly(Return(true));
+
+  [cell updateMouseTrackingAndToolTipsInRect:[field_ bounds] ofView:field_];
+  EXPECT_EQ([cell mouseTrackingDecorations].size(), 2.0);
+}
+
 // Verify that clicking a decoration that accepts mouse clicks does not focus
 // the Omnibox.
 TEST_F(AutocompleteTextFieldObserverTest,
        ClickingDecorationDoesNotFocusOmnibox) {
   AutocompleteTextFieldCell* cell = [field_ cell];
 
   // Set up a non-interactive decoration.
   MockDecoration noninteractive_decoration;
   noninteractive_decoration.SetVisible(true);
   EXPECT_CALL(noninteractive_decoration, AcceptsMousePress())
       .WillRepeatedly(testing::Return(false));
   [cell addLeftDecoration:&noninteractive_decoration];
 
   // Set up an interactive decoration.
   MockDecoration interactive_decoration;
   EXPECT_CALL(interactive_decoration, AcceptsMousePress())
       .WillRepeatedly(testing::Return(true));
   interactive_decoration.SetVisible(true);
   [cell addLeftDecoration:&interactive_decoration];
+  [cell updateMouseTrackingAndToolTipsInRect:[field_ frame] ofView:field_];
   EXPECT_CALL(interactive_decoration, OnMousePressed(_, _))
       .WillRepeatedly(testing::Return(true));
 
   // Ignore incidental calls. The exact frequency of these calls doesn't matter
   // as they are auxiliary.
   EXPECT_CALL(field_observer_, SelectionRangeForProposedRange(_))
       .WillRepeatedly(testing::Return(NSMakeRange(0, 0)));
   EXPECT_CALL(field_observer_, OnMouseDown(_)).Times(testing::AnyNumber());
   EXPECT_CALL(field_observer_, OnSetFocus(false)).Times(testing::AnyNumber());
   EXPECT_CALL(field_observer_, OnKillFocus()).Times(testing::AnyNumber());
@@ skipping 70 matching lines @@
   base::scoped_nsobject<AutocompleteTextField> pin([field_ retain]);
   [field_ removeFromSuperview];
   [test_window() resignKeyWindow];
 
   [[test_window() contentView] addSubview:field_];
   EXPECT_CALL(field_observer_, ClosePopup());
   [test_window() resignKeyWindow];
 }
 
 }  // namespace