/* * Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "config.h" #import "Color.h" #import "ColorMac.h" #import <AppKit/AppKit.h> #import <wtf/Assertions.h> #import <wtf/StdLibExtras.h> #import <wtf/RetainPtr.h> @interface WebCoreControlTintObserver : NSObject + (void)controlTintDidChange; @end namespace WebCore { // NSColor calls don't throw, so no need to block Cocoa exceptions in this file static RGBA32 oldAquaFocusRingColor = 0xFF7DADD9; static RGBA32 systemFocusRingColor; static bool useOldAquaFocusRingColor; static RGBA32 makeRGBAFromNSColor(NSColor *c) { return makeRGBA((int)(255 * [c redComponent]), (int)(255 * [c greenComponent]), (int)(255 * [c blueComponent]), (int)(255 * [c alphaComponent])); } Color colorFromNSColor(NSColor *c) { return Color(makeRGBAFromNSColor(c)); } NSColor* nsColor(const Color& color) { unsigned c = color.rgb(); switch (c) { case 0: { // Need this to avoid returning nil because cachedRGBAValues will default to 0. DEFINE_STATIC_LOCAL(RetainPtr<NSColor>, clearColor, ([NSColor colorWithDeviceRed:0.0f green:0.0f blue:0.0f alpha:0.0f])); return clearColor.get(); } case Color::black: { DEFINE_STATIC_LOCAL(RetainPtr<NSColor>, blackColor, ([NSColor colorWithDeviceRed:0.0f green:0.0f blue:0.0f alpha:1.0f])); return blackColor.get(); } case Color::white: { DEFINE_STATIC_LOCAL(RetainPtr<NSColor>, whiteColor, ([NSColor colorWithDeviceRed:1.0f green:1.0f blue:1.0f alpha:1.0f])); return whiteColor.get(); } default: { const int cacheSize = 32; static unsigned cachedRGBAValues[cacheSize]; static RetainPtr<NSColor>* cachedColors = new RetainPtr<NSColor>[cacheSize]; for (int i = 0; i != cacheSize; ++i) if (cachedRGBAValues[i] == c) return cachedColors[i].get(); NSColor* result = [NSColor colorWithDeviceRed:color.red() / 255.0f green:color.green() / 255.0f blue:color.blue() / 255.0f alpha:color.alpha() /255.0f]; static int cursor; cachedRGBAValues[cursor] = c; cachedColors[cursor] = result; if (++cursor == cacheSize) cursor = 0; return result; } } } static CGColorRef CGColorFromNSColor(NSColor* color) { // This needs to always use device colorspace so it can de-calibrate the color for // CGColor to possibly recalibrate it. NSColor* deviceColor = [color colorUsingColorSpaceName:NSDeviceRGBColorSpace]; CGFloat red = [deviceColor redComponent]; CGFloat green = [deviceColor greenComponent]; CGFloat blue = [deviceColor blueComponent]; CGFloat alpha = [deviceColor alphaComponent]; const CGFloat components[4] = { red, green, blue, alpha }; static CGColorSpaceRef deviceRGBColorSpace = CGColorSpaceCreateDeviceRGB(); CGColorRef cgColor = CGColorCreate(deviceRGBColorSpace, components); return cgColor; } CGColorRef createCGColor(const Color& c) { // We could directly create a CGColor here, but that would // skip any RGB caching the nsColor method does. A direct // creation could be investigated for a possible performance win. return CGColorFromNSColor(nsColor(c)); } Color focusRingColor() { static bool tintIsKnown = false; if (!tintIsKnown) { [[NSNotificationCenter defaultCenter] addObserver:[WebCoreControlTintObserver class] selector:@selector(controlTintDidChange) name:NSControlTintDidChangeNotification object:NSApp]; [WebCoreControlTintObserver controlTintDidChange]; tintIsKnown = true; } if (usesTestModeFocusRingColor()) return oldAquaFocusRingColor; return systemFocusRingColor; } bool usesTestModeFocusRingColor() { return useOldAquaFocusRingColor; } void setUsesTestModeFocusRingColor(bool newValue) { useOldAquaFocusRingColor = newValue; } } @implementation WebCoreControlTintObserver + (void)controlTintDidChange { NSColor* color = [[NSColor keyboardFocusIndicatorColor] colorUsingColorSpaceName:NSDeviceRGBColorSpace]; WebCore::systemFocusRingColor = WebCore::makeRGBAFromNSColor(color); } @end