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// Copyright (c) 2010 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/cocoa/info_bubble_view.h"
#include "base/logging.h"
#include "base/scoped_nsobject.h"
#import "third_party/GTM/AppKit/GTMNSColor+Luminance.h"
@implementation InfoBubbleView
@synthesize arrowLocation = arrowLocation_;
@synthesize bubbleType = bubbleType_;
- (id)initWithFrame:(NSRect)frameRect {
if ((self = [super initWithFrame:frameRect])) {
arrowLocation_ = info_bubble::kTopLeft;
bubbleType_ = info_bubble::kGradientInfoBubble;
}
return self;
}
- (void)drawRect:(NSRect)rect {
// Make room for the border to be seen.
NSRect bounds = [self bounds];
bounds.size.height -= info_bubble::kBubbleArrowHeight;
NSBezierPath* bezier = [NSBezierPath bezierPath];
rect.size.height -= info_bubble::kBubbleArrowHeight;
// Start with a rounded rectangle.
[bezier appendBezierPathWithRoundedRect:bounds
xRadius:info_bubble::kBubbleCornerRadius
yRadius:info_bubble::kBubbleCornerRadius];
// Add the bubble arrow.
CGFloat dX = 0;
switch (arrowLocation_) {
case info_bubble::kTopLeft:
dX = info_bubble::kBubbleArrowXOffset;
break;
case info_bubble::kTopRight:
dX = NSWidth(bounds) - info_bubble::kBubbleArrowXOffset -
info_bubble::kBubbleArrowWidth;
break;
default:
NOTREACHED();
break;
}
NSPoint arrowStart = NSMakePoint(NSMinX(bounds), NSMaxY(bounds));
arrowStart.x += dX;
[bezier moveToPoint:NSMakePoint(arrowStart.x, arrowStart.y)];
[bezier lineToPoint:NSMakePoint(arrowStart.x +
info_bubble::kBubbleArrowWidth / 2.0,
arrowStart.y +
info_bubble::kBubbleArrowHeight)];
[bezier lineToPoint:NSMakePoint(arrowStart.x + info_bubble::kBubbleArrowWidth,
arrowStart.y)];
[bezier closePath];
// Then fill the inside depending on the type of bubble.
if (bubbleType_ == info_bubble::kGradientInfoBubble) {
NSColor* base_color = [NSColor colorWithCalibratedWhite:0.5 alpha:1.0];
NSColor* startColor =
[base_color gtm_colorAdjustedFor:GTMColorationLightHighlight
faded:YES];
NSColor* midColor =
[base_color gtm_colorAdjustedFor:GTMColorationLightMidtone
faded:YES];
NSColor* endColor =
[base_color gtm_colorAdjustedFor:GTMColorationLightShadow
faded:YES];
NSColor* glowColor =
[base_color gtm_colorAdjustedFor:GTMColorationLightPenumbra
faded:YES];
scoped_nsobject<NSGradient> gradient(
[[NSGradient alloc] initWithColorsAndLocations:startColor, 0.0,
midColor, 0.25,
endColor, 0.5,
glowColor, 0.75,
nil]);
[gradient.get() drawInBezierPath:bezier angle:0.0];
} else if (bubbleType_ == info_bubble::kWhiteInfoBubble) {
[[NSColor whiteColor] set];
[bezier fill];
}
}
- (NSPoint)arrowTip {
NSRect bounds = [self bounds];
CGFloat tipXOffset =
info_bubble::kBubbleArrowXOffset + info_bubble::kBubbleArrowWidth / 2.0;
CGFloat xOffset =
(arrowLocation_ == info_bubble::kTopRight) ? NSMaxX(bounds) - tipXOffset :
NSMinX(bounds) + tipXOffset;
NSPoint arrowTip = NSMakePoint(xOffset, NSMaxY(bounds));
return arrowTip;
}
@end
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