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// 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.
#include "chrome/browser/cocoa/background_gradient_view.h"
#define kToolbarTopOffset 12
#define kToolbarMaxHeight 100
@implementation BackgroundGradientView
@synthesize showsDivider = showsDivider_;
- (id)initWithFrame:(NSRect)frameRect {
self = [super initWithFrame:frameRect];
if (self != nil) {
showsDivider_ = YES;
}
return self;
}
- (void)awakeFromNib {
showsDivider_ = YES;
}
- (void)setShowsDivider:(BOOL)show {
showsDivider_ = show;
[self setNeedsDisplay:YES];
}
// The offset of this pattern to make it line up with the top of the window.
- (NSPoint)patternPhase {
NSPoint phase = NSZeroPoint;
phase.y += NSHeight([[self window] frame]) - kToolbarTopOffset;
return phase;
}
- (void)drawRect:(NSRect)rect {
BOOL isKey = [[self window] isKeyWindow];
GTMTheme *theme = [self gtm_theme];
NSImage *backgroundImage = [theme backgroundImageForStyle:GTMThemeStyleToolBar
state:GTMThemeStateActiveWindow];
if (backgroundImage) {
NSPoint phase = [self patternPhase];
[[NSGraphicsContext currentContext] setPatternPhase:phase];
NSColor *color = [NSColor colorWithPatternImage:backgroundImage];
[color set];
NSRectFill([self bounds]);
} else {
CGFloat winHeight = NSHeight([[self window] frame]);
NSGradient *gradient = [theme gradientForStyle:GTMThemeStyleToolBar
state:isKey];
NSPoint startPoint =
[self convertPoint:NSMakePoint(0, winHeight - kToolbarTopOffset)
fromView:nil];
NSPoint endPoint =
[self convertPoint:NSMakePoint(0, winHeight -
kToolbarTopOffset -
kToolbarMaxHeight)
fromView:nil];
[gradient drawFromPoint:startPoint
toPoint:endPoint
options:NSGradientDrawsBeforeStartingLocation |
NSGradientDrawsAfterEndingLocation];
}
if (showsDivider_) {
// Draw bottom stroke
[[self strokeColor] set];
NSRect borderRect, contentRect;
NSDivideRect([self bounds], &borderRect, &contentRect, 1, NSMinYEdge);
NSRectFillUsingOperation(borderRect, NSCompositeSourceOver);
}
}
- (NSColor*)strokeColor {
return [[self gtm_theme] strokeColorForStyle:GTMThemeStyleToolBar
state:[[self window] isKeyWindow]];
}
@end
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