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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/bookmark_bar_folder_window.h"
#import "base/logging.h"
#include "base/nsimage_cache_mac.h"
#import "base/scoped_nsobject.h"
#import "chrome/browser/cocoa/bookmark_bar_folder_controller.h"
#import "chrome/browser/cocoa/image_utils.h"
#import "third_party/GTM/AppKit/GTMNSColor+Luminance.h"
#import "third_party/GTM/AppKit/GTMNSBezierPath+RoundRect.h"
@implementation BookmarkBarFolderWindow
- (id)initWithContentRect:(NSRect)contentRect
styleMask:(NSUInteger)windowStyle
backing:(NSBackingStoreType)bufferingType
defer:(BOOL)deferCreation {
if ((self = [super initWithContentRect:contentRect
styleMask:NSBorderlessWindowMask // override
backing:bufferingType
defer:deferCreation])) {
[self setBackgroundColor:[NSColor clearColor]];
[self setOpaque:NO];
}
return self;
}
@end
namespace {
// Corner radius for our bookmark bar folder window.
// Copied from bubble_view.mm.
const CGFloat kViewCornerRadius = 4.0;
}
@implementation BookmarkBarFolderWindowContentView
- (void)awakeFromNib {
arrowUpImage_.reset([nsimage_cache::ImageNamed(@"menu_overflow_up.pdf")
retain]);
arrowDownImage_.reset([nsimage_cache::ImageNamed(@"menu_overflow_down.pdf")
retain]);
}
// Draw the arrows at the top and bottom of the folder window as a
// visual indication that scrolling is possible. We always draw the
// scrolling arrows; when not relevant (e.g. when not scrollable), the
// scroll view overlaps the window and the arrows aren't visible.
- (void)drawScrollArrows:(NSRect)rect {
NSRect visibleRect = [self bounds];
// On top
NSRect imageRect = NSZeroRect;
imageRect.size = [arrowUpImage_ size];
NSRect drawRect = NSOffsetRect(
imageRect,
(NSWidth(visibleRect) - NSWidth(imageRect)) / 2,
NSHeight(visibleRect) - NSHeight(imageRect));
[arrowUpImage_ drawInRect:drawRect
fromRect:imageRect
operation:NSCompositeSourceOver
fraction:1.0
neverFlipped:YES];
// On bottom
imageRect = NSZeroRect;
imageRect.size = [arrowDownImage_ size];
drawRect = NSOffsetRect(imageRect,
(NSWidth(visibleRect) - NSWidth(imageRect)) / 2,
0);
[arrowDownImage_ drawInRect:drawRect
fromRect:imageRect
operation:NSCompositeSourceOver
fraction:1.0
neverFlipped:YES];
}
- (void)drawRect:(NSRect)rect {
NSRect bounds = [self bounds];
// Like NSMenus, only the bottom corners are rounded.
NSBezierPath* bezier =
[NSBezierPath gtm_bezierPathWithRoundRect:bounds
topLeftCornerRadius:0
topRightCornerRadius:0
bottomLeftCornerRadius:kViewCornerRadius
bottomRightCornerRadius:kViewCornerRadius];
[bezier closePath];
// TODO(jrg): share code with info_bubble_view.mm? Or bubble_view.mm?
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 drawInBezierPath:bezier angle:0.0];
[self drawScrollArrows:rect];
}
@end
@implementation BookmarkBarFolderWindowScrollView
// We want "draw background" of the NSScrollView in the xib to be NOT
// checked. That allows us to round the bottom corners of the folder
// window. However that also allows some scrollWheel: events to leak
// into the NSWindow behind it (even in a different application).
// Better to plug the scroll leak than to round corners for M5.
- (void)scrollWheel:(NSEvent *)theEvent {
DCHECK([[[self window] windowController]
respondsToSelector:@selector(scrollWheel:)]);
[[[self window] windowController] scrollWheel:theEvent];
}
@end
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