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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.
// Derived from the GTMTheme in Google Toolbox for Mac. This file should
// go away: http://crbug.com/35554
#import "GTMDefines.h"
#import <AppKit/AppKit.h>
// Sent whenever the theme changes. Object => GTMTheme that changed
GTM_EXTERN NSString *const kGTMThemeDidChangeNotification;
// Key for user defaults defining background color
GTM_EXTERN NSString *const kGTMThemeBackgroundColorKey;
enum {
GTMThemeStyleTabBarSelected,
GTMThemeStyleTabBarDeselected,
GTMThemeStyleWindow,
GTMThemeStyleToolBar,
GTMThemeStyleToolBarButton,
GTMThemeStyleToolBarButtonPressed,
GTMThemeStyleBookmarksBarButton,
};
typedef NSUInteger GTMThemeStyle;
enum {
GTMThemeStateInactiveWindow = 0,
GTMThemeStateActiveWindow = 1 << 0
};
typedef NSUInteger GTMThemeState;
// GTMTheme provides a range of values for procedural drawing of UI elements
// based on interpolation of a single background color
@interface GTMTheme : NSObject {
@private
NSColor *backgroundColor_; // bound to user defaults
NSImage *backgroundImage_; // bound to user defaults
NSMutableDictionary *values_; // cached values
}
// Access the global theme. By default this is bound to user defaults
+ (GTMTheme *)defaultTheme;
+ (void)setDefaultTheme:(GTMTheme *)theme;
// Bind this theme to user defaults
- (void)bindToUserDefaults;
// returns base theme color
- (NSColor *)backgroundColor;
// sets the base theme color
- (void)setBackgroundColor:(NSColor *)value;
// base background image
- (NSImage *)backgroundImage;
// set base background image
- (void)setBackgroundImage:(NSImage *)value;
// NSImage pattern background
- (NSImage *)backgroundImageForStyle:(GTMThemeStyle)style
state:(GTMThemeState)state;
// NSColor of the above image, if present, else gradientForStyle
- (NSColor *)backgroundPatternColorForStyle:(GTMThemeStyle)style
state:(GTMThemeState)state;
// NSGradient for specific usage
- (NSGradient *)gradientForStyle:(GTMThemeStyle)style
state:(GTMThemeState)state;
// Outline color for stroke
- (NSColor *)strokeColorForStyle:(GTMThemeStyle)style
state:(GTMThemeState)state;
// Text color
- (NSColor *)textColorForStyle:(GTMThemeStyle)style
state:(GTMThemeState)state;
// Base background color (a plain (non pattern/gradient) NSColor)
- (NSColor *)backgroundColorForStyle:(GTMThemeStyle)style
state:(GTMThemeState)state;
// Indicates whether luminance is dark or light
- (BOOL)styleIsDark:(GTMThemeStyle)style state:(GTMThemeState)state;
// Background style for this style and state
- (NSBackgroundStyle)interiorBackgroundStyleForStyle:(GTMThemeStyle)style
state:(GTMThemeState)state;
- (NSColor *)iconColorForStyle:(GTMThemeStyle)style
state:(GTMThemeState)state;
// Manually set a theme value
- (void)setValue:(id)value
forAttribute:(NSString *)attribute
style:(GTMThemeStyle)style
state:(GTMThemeState)state;
// Manually extract a theme value
- (id)valueForAttribute:(NSString *)attribute
style:(GTMThemeStyle)style
state:(GTMThemeState)state;
@end
// Convenience categories for NSWindow and NSView to access the current theme
// Default implementation polls the window delegate
@interface NSWindow (GTMTheme)
- (GTMTheme *)gtm_theme;
- (NSPoint)gtm_themePatternPhase;
@end
@interface NSView (GTMTheme)
- (GTMTheme *)gtm_theme;
- (NSPoint)gtm_themePatternPhase;
@end
@protocol GTMThemeDelegate
- (GTMTheme *)gtm_themeForWindow:(NSWindow *)window;
- (NSPoint)gtm_themePatternPhaseForWindow:(NSWindow *)window;
@end
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