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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/tabpose_window.h"
#import <QuartzCore/QuartzCore.h>
const int kTopGradientHeight = 15;
// CAGradientLayer is 10.6-only -- roll our own.
@interface DarkGradientLayer : CALayer
- (void)drawInContext:(CGContextRef)context;
@end
@implementation DarkGradientLayer
- (void)drawInContext:(CGContextRef)context {
scoped_cftyperef<CGColorSpaceRef> grayColorSpace(
CGColorSpaceCreateWithName(kCGColorSpaceGenericGray));
CGFloat grays[] = { 0.277, 1.0, 0.39, 1.0 };
CGFloat locations[] = { 0, 1 };
scoped_cftyperef<CGGradientRef> gradient(CGGradientCreateWithColorComponents(
grayColorSpace.get(), grays, locations, arraysize(locations)));
CGPoint topLeft = CGPointMake(0.0, kTopGradientHeight);
CGContextDrawLinearGradient(context, gradient.get(), topLeft, CGPointZero, 0);
}
@end
@interface TabposeWindow (Private)
- (id)initForWindow:(NSWindow*)parent rect:(NSRect)rect slomo:(BOOL)slomo;
- (void)setUpLayers:(NSRect)bgLayerRect;
@end
@implementation TabposeWindow
+ (id)openTabposeFor:(NSWindow*)parent rect:(NSRect)rect slomo:(BOOL)slomo {
// Releases itself when closed.
return [[TabposeWindow alloc] initForWindow:parent rect:rect slomo:slomo];
}
- (id)initForWindow:(NSWindow*)parent rect:(NSRect)rect slomo:(BOOL)slomo {
NSRect frame = [parent frame];
if ((self = [super initWithContentRect:frame
styleMask:NSBorderlessWindowMask
backing:NSBackingStoreBuffered
defer:NO])) {
[self setReleasedWhenClosed:YES];
[self setOpaque:NO];
[self setBackgroundColor:[NSColor clearColor]];
[self setUpLayers:rect];
[parent addChildWindow:self ordered:NSWindowAbove];
[self makeKeyAndOrderFront:self];
}
return self;
}
- (void)setUpLayers:(NSRect)bgLayerRect {
// Root layer -- covers whole window.
rootLayer_ = [CALayer layer];
[[self contentView] setLayer:rootLayer_];
[[self contentView] setWantsLayer:YES];
// Background layer -- the visible part of the window.
gray_.reset(CGColorCreateGenericGray(0.39, 1.0));
bgLayer_ = [CALayer layer];
bgLayer_.backgroundColor = gray_;
bgLayer_.frame = NSRectToCGRect(bgLayerRect);
bgLayer_.masksToBounds = YES;
[rootLayer_ addSublayer:bgLayer_];
// Top gradient.
CALayer* gradientLayer = [DarkGradientLayer layer];
gradientLayer.frame = CGRectMake(
0,
NSHeight(bgLayerRect) - kTopGradientHeight,
NSWidth(bgLayerRect),
kTopGradientHeight);
[gradientLayer setNeedsDisplay]; // Draw once.
[bgLayer_ addSublayer:gradientLayer];
}
- (BOOL)canBecomeKeyWindow {
return YES;
}
- (void)keyDown:(NSEvent*)event {
// Overridden to prevent beeps.
}
- (void)keyUp:(NSEvent*)event {
NSString* characters = [event characters];
if ([characters length] < 1)
return;
unichar character = [characters characterAtIndex:0];
switch (character) {
case NSEnterCharacter:
case NSNewlineCharacter:
case NSCarriageReturnCharacter:
case ' ':
case '\e': // Escape
[self close];
break;
}
}
- (void)mouseDown:(NSEvent*)event {
[self close];
}
- (void)swipeWithEvent:(NSEvent*)event {
if ([event deltaY] > 0.5) // Swipe up
[self close];
}
- (void)close {
// Prevent parent window from disappearing.
[[self parentWindow] removeChildWindow:self];
[super close];
}
- (void)commandDispatch:(id)sender {
// Without this, -validateUserInterfaceItem: is not called.
}
- (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)item {
// Disable all browser-related menu items.
return NO;
}
@end
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