Pretty-up the blocked popup view by sharing code from the status bubble. Bloc...

chrome/browser/cocoa/bubble_view.h

+// Copyright (c) 2009 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 <Cocoa/Cocoa.h>
+
+#include "base/scoped_nsobject.h"
+
+// A view class that looks like a "bubble" with rounded corners and displays
+// text inside. Can be themed with a GTMTheme object. To put flush
+// against the sides of a window, the corner flags can be adjusted.
+
+@protocol GTMThemeDelegate;
+
+// Constants that define where the bubble will have a rounded corner. If
+// not set, the corner will be square.
+enum {
+  kRoundedTopLeftCorner = 1,
+  kRoundedTopRightCorner = 1 << 1,
+  kRoundedBottomLeftCorner = 1 << 2,
+  kRoundedBottomRightCorner = 1 << 3,
+  kRoundedAllCorners = kRoundedTopLeftCorner & kRoundedTopRightCorner &
+      kRoundedBottomLeftCorner & kRoundedBottomRightCorner
+};
+
+// Constants that affect where the text is positioned within the view. They
+// are exposed in case anyone needs to use the padding to set the content string
+// length appropriately based on available space (such as eliding a URL).
+enum {
+  kBubbleViewTextPositionX = 4,
+  kBubbleViewTextPositionY = 2
+};
+
+@interface BubbleView : NSView {
+ @private
+  scoped_nsobject<NSString> content_;
+  unsigned long cornerFlags_;
+  // The window from which we get the theme used to draw. In some cases,
+  // it might not be the window we're in. As a result, this may or may not
+  // directly own us, so it needs to be weak to prevent a cycle.
+  NSWindow* themeProvider_;
+}
+
+// Designated initializer. |provider| is the window from which we get the
+// current theme to draw text and backgrounds. If nil, the current window will
+// be checked. Defaults to all corners being rounded. The caller needs to
+// ensure |provider| can't go away as it will not be retained.
+- (id)initWithFrame:(NSRect)frame themeProvider:(NSWindow*)provider;
+
+// Sets the string displayed in the bubble. A copy of the string is made.
+- (void)setContent:(NSString*)content;
+
+// Sets which corners will be rounded.
+- (void)setCornerFlags:(unsigned long)flags;
+
+// The font used to display the content string.
+- (NSFont*)font;
+
+@end
+
+// APIs exposed only for testing.
+@interface BubbleView(TestingOnly)
+- (NSString*)content;
+- (unsigned long)cornerFlags;
+@end