[Mac] Eat mouse clicks in the findbar to prevent them from falling through to views below.

BUG=http://crbug.com/22854
TEST=See test case in bug.
Review URL: http://codereview.chromium.org/273041

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@29281 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 61 insertions, 1 deletions

diff --git a/chrome/browser/cocoa/find_bar_view_unittest.mm b/chrome/browser/cocoa/find_bar_view_unittest.mm
index 734dcd9..c1fc902 100644
--- a/chrome/browser/cocoa/find_bar_view_unittest.mm
+++ b/chrome/browser/cocoa/find_bar_view_unittest.mm
@@ -5,11 +5,26 @@
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_nsobject.h"
-#import "chrome/browser/cocoa/find_bar_view.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
+#import "chrome/browser/cocoa/find_bar_view.h"
+#include "chrome/browser/cocoa/test_event_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
+@interface MouseDownViewPong : NSView {
+  BOOL pong_;
+}
+@property(assign) BOOL pong;
+@end
+
+@implementation MouseDownViewPong
+@synthesize pong = pong_;
+- (void)mouseDown:(NSEvent*)event {
+  pong_ = YES;
+}
+@end
+
+
 namespace {
 
 class FindBarViewTest : public PlatformTest {
@@ -37,4 +52,49 @@ TEST_F(FindBarViewTest, Display) {
   [view_ display];
 }
 
+TEST_F(FindBarViewTest, FindBarEatsMouseClicksInBackgroundArea) {
+  MouseDownViewPong* pongView =
+      [[MouseDownViewPong alloc] initWithFrame:NSMakeRect(0, 0, 200, 200)];
+
+  // Remove all of the subviews of the findbar, to make sure we don't
+  // accidentally hit a subview when trying to simulate a click in the
+  // background area.
+  [view_ setSubviews:[NSArray array]];
+  [view_ setFrame:NSMakeRect(0, 0, 200, 200)];
+
+  // Add the pong view as a sibling of the findbar.
+  [cocoa_helper_.contentView() addSubview:pongView
+                               positioned:NSWindowBelow
+                               relativeTo:view_.get()];
+
+  // Synthesize a mousedown event and send it to the window.  The event is
+  // placed in the center of the find bar.
+  NSPoint pointInCenterOfFindBar = NSMakePoint(100, 100);
+  [pongView setPong:NO];
+  [cocoa_helper_.window()
+      sendEvent:test_event_utils::LeftMouseDownAtPoint(pointInCenterOfFindBar)];
+  // Click gets eaten by findbar, not passed through to underlying view.
+  EXPECT_FALSE([pongView pong]);
+}
+
+TEST_F(FindBarViewTest, FindBarPassesThroughClicksInTransparentArea) {
+  MouseDownViewPong* pongView =
+      [[MouseDownViewPong alloc] initWithFrame:NSMakeRect(0, 0, 200, 200)];
+  [view_ setFrame:NSMakeRect(0, 0, 200, 200)];
+
+  // Add the pong view as a sibling of the findbar.
+  [cocoa_helper_.contentView() addSubview:pongView
+                               positioned:NSWindowBelow
+                               relativeTo:view_.get()];
+
+  // Synthesize a mousedown event and send it to the window.  The event is inset
+  // a few pixels from the lower left corner of the window, which places it in
+  // the transparent area surrounding the findbar.
+  NSPoint pointInTransparentArea = NSMakePoint(2, 2);
+  [pongView setPong:NO];
+  [cocoa_helper_.window()
+      sendEvent:test_event_utils::LeftMouseDownAtPoint(pointInTransparentArea)];
+  // Click is ignored by findbar, passed through to underlying view.
+  EXPECT_TRUE([pongView pong]);
+}
 }  // namespace