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comparison: widget/cocoa/nsColorPicker.mm
widget/cocoa/nsColorPicker.mm
- changeset 2
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| -1:000000000000 | 0:6cb3c9ed3ceb |
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| 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/. */ | |
| 5 | |
| 6 #import <Cocoa/Cocoa.h> | |
| 7 | |
| 8 #include "nsColorPicker.h" | |
| 9 #include "nsCocoaUtils.h" | |
| 10 #include "nsThreadUtils.h" | |
| 11 | |
| 12 using namespace mozilla; | |
| 13 | |
| 14 static unsigned int | |
| 15 HexStrToInt(NSString* str) | |
| 16 { | |
| 17 unsigned int result = 0; | |
| 18 | |
| 19 for (unsigned int i = 0; i < [str length]; ++i) { | |
| 20 char c = [str characterAtIndex:i]; | |
| 21 result *= 16; | |
| 22 if (c >= '0' && c <= '9') { | |
| 23 result += c - '0'; | |
| 24 } else if (c >= 'A' && c <= 'F') { | |
| 25 result += 10 + (c - 'A'); | |
| 26 } else { | |
| 27 result += 10 + (c - 'a'); | |
| 28 } | |
| 29 } | |
| 30 | |
| 31 return result; | |
| 32 } | |
| 33 | |
| 34 @interface NSColorPanelWrapper : NSObject <NSWindowDelegate> | |
| 35 { | |
| 36 NSColorPanel* mColorPanel; | |
| 37 nsColorPicker* mColorPicker; | |
| 38 } | |
| 39 - (id)initWithPicker:(nsColorPicker*)aPicker; | |
| 40 - (void)open:(NSColor*)aInitialColor title:(NSString*)aTitle; | |
| 41 - (void)retarget:(nsColorPicker*)aPicker; | |
| 42 - (void)colorChanged:(NSColorPanel*)aPanel; | |
| 43 @end | |
| 44 | |
| 45 @implementation NSColorPanelWrapper | |
| 46 - (id)initWithPicker:(nsColorPicker*)aPicker | |
| 47 { | |
| 48 mColorPicker = aPicker; | |
| 49 mColorPanel = [NSColorPanel sharedColorPanel]; | |
| 50 | |
| 51 self = [super init]; | |
| 52 return self; | |
| 53 } | |
| 54 | |
| 55 - (void)open:(NSColor*)aInitialColor title:(NSString*)aTitle | |
| 56 { | |
| 57 [mColorPanel setTitle:aTitle]; | |
| 58 [mColorPanel setColor:aInitialColor]; | |
| 59 [mColorPanel setTarget:self]; | |
| 60 [mColorPanel setAction:@selector(colorChanged:)]; | |
| 61 [mColorPanel setDelegate:self]; | |
| 62 [mColorPanel makeKeyAndOrderFront:nil]; | |
| 63 } | |
| 64 | |
| 65 - (void)colorChanged:(NSColorPanel*)aPanel | |
| 66 { | |
| 67 mColorPicker->Update([mColorPanel color]); | |
| 68 } | |
| 69 | |
| 70 - (void)windowWillClose:(NSNotification*)aNotification | |
| 71 { | |
| 72 mColorPicker->Done(); | |
| 73 } | |
| 74 | |
| 75 - (void)retarget:(nsColorPicker*)aPicker | |
| 76 { | |
| 77 mColorPicker->DoneWithRetarget(); | |
| 78 mColorPicker = aPicker; | |
| 79 } | |
| 80 | |
| 81 - (void)dealloc | |
| 82 { | |
| 83 if ([mColorPanel delegate] == self) { | |
| 84 [mColorPanel setTarget:nil]; | |
| 85 [mColorPanel setAction:nil]; | |
| 86 [mColorPanel setDelegate:nil]; | |
| 87 } | |
| 88 | |
| 89 mColorPanel = nil; | |
| 90 mColorPicker = nullptr; | |
| 91 | |
| 92 [super dealloc]; | |
| 93 } | |
| 94 @end | |
| 95 | |
| 96 NS_IMPL_ISUPPORTS(nsColorPicker, nsIColorPicker) | |
| 97 | |
| 98 NSColorPanelWrapper* nsColorPicker::sColorPanelWrapper = nullptr; | |
| 99 | |
| 100 NS_IMETHODIMP | |
| 101 nsColorPicker::Init(nsIDOMWindow* aParent, const nsAString& aTitle, | |
| 102 const nsAString& aInitialColor) | |
| 103 { | |
| 104 MOZ_ASSERT(NS_IsMainThread(), | |
| 105 "Color pickers can only be opened from main thread currently"); | |
| 106 mTitle = aTitle; | |
| 107 mColor = aInitialColor; | |
| 108 | |
| 109 if (sColorPanelWrapper) { | |
| 110 // Update current wrapper to target the new input instead | |
| 111 [sColorPanelWrapper retarget:this]; | |
| 112 } else { | |
| 113 // Create a brand new color panel wrapper | |
| 114 sColorPanelWrapper = [[NSColorPanelWrapper alloc] initWithPicker:this]; | |
| 115 } | |
| 116 return NS_OK; | |
| 117 } | |
| 118 | |
| 119 /* static */ NSColor* | |
| 120 nsColorPicker::GetNSColorFromHexString(const nsAString& aColor) | |
| 121 { | |
| 122 NSString* str = nsCocoaUtils::ToNSString(aColor); | |
| 123 | |
| 124 double red = HexStrToInt([str substringWithRange:NSMakeRange(1, 2)]) / 255.0; | |
| 125 double green = HexStrToInt([str substringWithRange:NSMakeRange(3, 2)]) / 255.0; | |
| 126 double blue = HexStrToInt([str substringWithRange:NSMakeRange(5, 2)]) / 255.0; | |
| 127 | |
| 128 return [NSColor colorWithDeviceRed: red green: green blue: blue alpha: 1.0]; | |
| 129 } | |
| 130 | |
| 131 /* static */ void | |
| 132 nsColorPicker::GetHexStringFromNSColor(NSColor* aColor, nsAString& aResult) | |
| 133 { | |
| 134 CGFloat redFloat, greenFloat, blueFloat; | |
| 135 [aColor getRed: &redFloat green: &greenFloat blue: &blueFloat alpha: nil]; | |
| 136 | |
| 137 nsCocoaUtils::GetStringForNSString([NSString stringWithFormat:@"#%02x%02x%02x", | |
| 138 (int)(redFloat * 255), | |
| 139 (int)(greenFloat * 255), | |
| 140 (int)(blueFloat * 255)], | |
| 141 aResult); | |
| 142 } | |
| 143 | |
| 144 NS_IMETHODIMP | |
| 145 nsColorPicker::Open(nsIColorPickerShownCallback* aCallback) | |
| 146 { | |
| 147 MOZ_ASSERT(aCallback); | |
| 148 mCallback = aCallback; | |
| 149 | |
| 150 [sColorPanelWrapper open:GetNSColorFromHexString(mColor) | |
| 151 title:nsCocoaUtils::ToNSString(mTitle)]; | |
| 152 | |
| 153 NS_ADDREF_THIS(); | |
| 154 | |
| 155 return NS_OK; | |
| 156 } | |
| 157 | |
| 158 void | |
| 159 nsColorPicker::Update(NSColor* aColor) | |
| 160 { | |
| 161 GetHexStringFromNSColor(aColor, mColor); | |
| 162 mCallback->Update(mColor); | |
| 163 } | |
| 164 | |
| 165 void | |
| 166 nsColorPicker::DoneWithRetarget() | |
| 167 { | |
| 168 mCallback->Done(EmptyString()); | |
| 169 mCallback = nullptr; | |
| 170 NS_RELEASE_THIS(); | |
| 171 } | |
| 172 | |
| 173 void | |
| 174 nsColorPicker::Done() | |
| 175 { | |
| 176 [sColorPanelWrapper release]; | |
| 177 sColorPanelWrapper = nullptr; | |
| 178 DoneWithRetarget(); | |
| 179 } |
