1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #import <Cocoa/Cocoa.h>
8 #include "nsColorPicker.h"
9 #include "nsCocoaUtils.h"
10 #include "nsThreadUtils.h"
12 using namespace mozilla;
14 static unsigned int HexStrToInt(NSString* str) {
15 unsigned int result = 0;
17 for (unsigned int i = 0; i < [str length]; ++i) {
18 char c = [str characterAtIndex:i];
20 if (c >= '0' && c <= '9') {
22 } else if (c >= 'A' && c <= 'F') {
23 result += 10 + (c - 'A');
25 result += 10 + (c - 'a');
32 @interface NSColorPanelWrapper : NSObject <NSWindowDelegate> {
33 NSColorPanel* mColorPanel;
34 nsColorPicker* mColorPicker;
36 - (id)initWithPicker:(nsColorPicker*)aPicker;
37 - (void)open:(NSColor*)aInitialColor title:(NSString*)aTitle;
38 - (void)colorChanged:(NSColorPanel*)aPanel;
39 - (void)windowWillClose:(NSNotification*)aNotification;
43 @implementation NSColorPanelWrapper
44 - (id)initWithPicker:(nsColorPicker*)aPicker {
45 mColorPicker = aPicker;
46 mColorPanel = [NSColorPanel sharedColorPanel];
52 - (void)open:(NSColor*)aInitialColor title:(NSString*)aTitle {
53 [mColorPanel setTarget:self];
54 [mColorPanel setAction:@selector(colorChanged:)];
55 [mColorPanel setDelegate:self];
56 [mColorPanel setTitle:aTitle];
57 [mColorPanel setColor:aInitialColor];
58 [mColorPanel makeKeyAndOrderFront:nil];
61 - (void)colorChanged:(NSColorPanel*)aPanel {
65 mColorPicker->Update([mColorPanel color]);
68 - (void)windowWillClose:(NSNotification*)aNotification {
76 [mColorPanel setTarget:nil];
77 [mColorPanel setAction:nil];
78 [mColorPanel setDelegate:nil];
81 mColorPicker = nullptr;
85 NS_IMPL_ISUPPORTS(nsColorPicker, nsIColorPicker)
87 nsColorPicker::~nsColorPicker() {
88 if (mColorPanelWrapper) {
89 [mColorPanelWrapper close];
90 [mColorPanelWrapper release];
91 mColorPanelWrapper = nullptr;
96 nsColorPicker::Init(mozIDOMWindowProxy* aParent, const nsAString& aTitle,
97 const nsAString& aInitialColor) {
98 MOZ_ASSERT(NS_IsMainThread(), "Color pickers can only be opened from main thread currently");
100 mColor = aInitialColor;
101 mColorPanelWrapper = [[NSColorPanelWrapper alloc] initWithPicker:this];
105 /* static */ NSColor* nsColorPicker::GetNSColorFromHexString(const nsAString& aColor) {
106 NSString* str = nsCocoaUtils::ToNSString(aColor);
108 double red = HexStrToInt([str substringWithRange:NSMakeRange(1, 2)]) / 255.0;
109 double green = HexStrToInt([str substringWithRange:NSMakeRange(3, 2)]) / 255.0;
110 double blue = HexStrToInt([str substringWithRange:NSMakeRange(5, 2)]) / 255.0;
112 return [NSColor colorWithDeviceRed:red green:green blue:blue alpha:1.0];
115 /* static */ void nsColorPicker::GetHexStringFromNSColor(NSColor* aColor, nsAString& aResult) {
116 CGFloat redFloat, greenFloat, blueFloat;
118 NSColor* color = aColor;
120 [color getRed:&redFloat green:&greenFloat blue:&blueFloat alpha:nil];
121 } @catch (NSException* e) {
122 color = [color colorUsingColorSpace:[NSColorSpace genericRGBColorSpace]];
123 [color getRed:&redFloat green:&greenFloat blue:&blueFloat alpha:nil];
126 nsCocoaUtils::GetStringForNSString(
127 [NSString stringWithFormat:@"#%02x%02x%02x", (int)(redFloat * 255), (int)(greenFloat * 255),
128 (int)(blueFloat * 255)],
133 nsColorPicker::Open(nsIColorPickerShownCallback* aCallback) {
134 MOZ_ASSERT(aCallback);
135 mCallback = aCallback;
137 [mColorPanelWrapper open:GetNSColorFromHexString(mColor) title:nsCocoaUtils::ToNSString(mTitle)];
144 void nsColorPicker::Update(NSColor* aColor) {
145 GetHexStringFromNSColor(aColor, mColor);
146 mCallback->Update(mColor);
149 void nsColorPicker::Done() {
150 [mColorPanelWrapper close];
151 [mColorPanelWrapper release];
152 mColorPanelWrapper = nullptr;
153 mCallback->Done(u""_ns);