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// Copyright (c) 2011 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 "chrome/browser/ui/cocoa/exclusive_access_bubble_view.h"
#include "base/mac/mac_util.h"
#include "base/mac/scoped_nsobject.h"
#include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
namespace {
const CGFloat kShadowTop = 20;
const CGFloat kShadowBottom = 50;
const CGFloat kShadowLeft = 50;
const CGFloat kShadowRight = 50;
const CGFloat kShadowBlurRadius = 150;
// NOTE(koz): The blur radius parameter to setShadowBlurRadius: has a bigger
// effect on lion, so use a smaller value for it.
const CGFloat kShadowBlurRadiusLion = 30;
const CGFloat kShadowAlpha = 0.5;
const CGFloat kBubbleCornerRadius = 8.0;
}
@implementation ExclusiveAccessBubbleView
- (void)drawRect:(NSRect)rect {
// Make room for the border to be seen.
NSRect bounds = [self bounds];
bounds.size.width -= kShadowLeft + kShadowRight;
bounds.size.height -= kShadowTop + kShadowBottom;
bounds.origin.x += kShadowLeft;
bounds.origin.y += kShadowBottom;
NSBezierPath* bezier = [NSBezierPath bezierPath];
CGFloat radius = kBubbleCornerRadius;
// Start with a rounded rectangle.
[bezier appendBezierPathWithRoundedRect:bounds xRadius:radius yRadius:radius];
[bezier closePath];
[[NSColor whiteColor] set];
gfx::ScopedNSGraphicsContextSaveGState scoped_g_state;
base::scoped_nsobject<NSShadow> shadow([[NSShadow alloc] init]);
if (base::mac::IsOSLionOrLater()) {
[shadow setShadowBlurRadius:kShadowBlurRadiusLion];
} else {
[shadow setShadowBlurRadius:kShadowBlurRadius];
}
[shadow setShadowColor:[[NSColor blackColor]
colorWithAlphaComponent:kShadowAlpha]];
[shadow set];
[bezier fill];
}
@end
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