1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/cocoa/nsColorPicker.mm Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,179 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#import <Cocoa/Cocoa.h>
1.10 +
1.11 +#include "nsColorPicker.h"
1.12 +#include "nsCocoaUtils.h"
1.13 +#include "nsThreadUtils.h"
1.14 +
1.15 +using namespace mozilla;
1.16 +
1.17 +static unsigned int
1.18 +HexStrToInt(NSString* str)
1.19 +{
1.20 + unsigned int result = 0;
1.21 +
1.22 + for (unsigned int i = 0; i < [str length]; ++i) {
1.23 + char c = [str characterAtIndex:i];
1.24 + result *= 16;
1.25 + if (c >= '0' && c <= '9') {
1.26 + result += c - '0';
1.27 + } else if (c >= 'A' && c <= 'F') {
1.28 + result += 10 + (c - 'A');
1.29 + } else {
1.30 + result += 10 + (c - 'a');
1.31 + }
1.32 + }
1.33 +
1.34 + return result;
1.35 +}
1.36 +
1.37 +@interface NSColorPanelWrapper : NSObject <NSWindowDelegate>
1.38 +{
1.39 + NSColorPanel* mColorPanel;
1.40 + nsColorPicker* mColorPicker;
1.41 +}
1.42 +- (id)initWithPicker:(nsColorPicker*)aPicker;
1.43 +- (void)open:(NSColor*)aInitialColor title:(NSString*)aTitle;
1.44 +- (void)retarget:(nsColorPicker*)aPicker;
1.45 +- (void)colorChanged:(NSColorPanel*)aPanel;
1.46 +@end
1.47 +
1.48 +@implementation NSColorPanelWrapper
1.49 +- (id)initWithPicker:(nsColorPicker*)aPicker
1.50 +{
1.51 + mColorPicker = aPicker;
1.52 + mColorPanel = [NSColorPanel sharedColorPanel];
1.53 +
1.54 + self = [super init];
1.55 + return self;
1.56 +}
1.57 +
1.58 +- (void)open:(NSColor*)aInitialColor title:(NSString*)aTitle
1.59 +{
1.60 + [mColorPanel setTitle:aTitle];
1.61 + [mColorPanel setColor:aInitialColor];
1.62 + [mColorPanel setTarget:self];
1.63 + [mColorPanel setAction:@selector(colorChanged:)];
1.64 + [mColorPanel setDelegate:self];
1.65 + [mColorPanel makeKeyAndOrderFront:nil];
1.66 +}
1.67 +
1.68 +- (void)colorChanged:(NSColorPanel*)aPanel
1.69 +{
1.70 + mColorPicker->Update([mColorPanel color]);
1.71 +}
1.72 +
1.73 +- (void)windowWillClose:(NSNotification*)aNotification
1.74 +{
1.75 + mColorPicker->Done();
1.76 +}
1.77 +
1.78 +- (void)retarget:(nsColorPicker*)aPicker
1.79 +{
1.80 + mColorPicker->DoneWithRetarget();
1.81 + mColorPicker = aPicker;
1.82 +}
1.83 +
1.84 +- (void)dealloc
1.85 +{
1.86 + if ([mColorPanel delegate] == self) {
1.87 + [mColorPanel setTarget:nil];
1.88 + [mColorPanel setAction:nil];
1.89 + [mColorPanel setDelegate:nil];
1.90 + }
1.91 +
1.92 + mColorPanel = nil;
1.93 + mColorPicker = nullptr;
1.94 +
1.95 + [super dealloc];
1.96 +}
1.97 +@end
1.98 +
1.99 +NS_IMPL_ISUPPORTS(nsColorPicker, nsIColorPicker)
1.100 +
1.101 +NSColorPanelWrapper* nsColorPicker::sColorPanelWrapper = nullptr;
1.102 +
1.103 +NS_IMETHODIMP
1.104 +nsColorPicker::Init(nsIDOMWindow* aParent, const nsAString& aTitle,
1.105 + const nsAString& aInitialColor)
1.106 +{
1.107 + MOZ_ASSERT(NS_IsMainThread(),
1.108 + "Color pickers can only be opened from main thread currently");
1.109 + mTitle = aTitle;
1.110 + mColor = aInitialColor;
1.111 +
1.112 + if (sColorPanelWrapper) {
1.113 + // Update current wrapper to target the new input instead
1.114 + [sColorPanelWrapper retarget:this];
1.115 + } else {
1.116 + // Create a brand new color panel wrapper
1.117 + sColorPanelWrapper = [[NSColorPanelWrapper alloc] initWithPicker:this];
1.118 + }
1.119 + return NS_OK;
1.120 +}
1.121 +
1.122 +/* static */ NSColor*
1.123 +nsColorPicker::GetNSColorFromHexString(const nsAString& aColor)
1.124 +{
1.125 + NSString* str = nsCocoaUtils::ToNSString(aColor);
1.126 +
1.127 + double red = HexStrToInt([str substringWithRange:NSMakeRange(1, 2)]) / 255.0;
1.128 + double green = HexStrToInt([str substringWithRange:NSMakeRange(3, 2)]) / 255.0;
1.129 + double blue = HexStrToInt([str substringWithRange:NSMakeRange(5, 2)]) / 255.0;
1.130 +
1.131 + return [NSColor colorWithDeviceRed: red green: green blue: blue alpha: 1.0];
1.132 +}
1.133 +
1.134 +/* static */ void
1.135 +nsColorPicker::GetHexStringFromNSColor(NSColor* aColor, nsAString& aResult)
1.136 +{
1.137 + CGFloat redFloat, greenFloat, blueFloat;
1.138 + [aColor getRed: &redFloat green: &greenFloat blue: &blueFloat alpha: nil];
1.139 +
1.140 + nsCocoaUtils::GetStringForNSString([NSString stringWithFormat:@"#%02x%02x%02x",
1.141 + (int)(redFloat * 255),
1.142 + (int)(greenFloat * 255),
1.143 + (int)(blueFloat * 255)],
1.144 + aResult);
1.145 +}
1.146 +
1.147 +NS_IMETHODIMP
1.148 +nsColorPicker::Open(nsIColorPickerShownCallback* aCallback)
1.149 +{
1.150 + MOZ_ASSERT(aCallback);
1.151 + mCallback = aCallback;
1.152 +
1.153 + [sColorPanelWrapper open:GetNSColorFromHexString(mColor)
1.154 + title:nsCocoaUtils::ToNSString(mTitle)];
1.155 +
1.156 + NS_ADDREF_THIS();
1.157 +
1.158 + return NS_OK;
1.159 +}
1.160 +
1.161 +void
1.162 +nsColorPicker::Update(NSColor* aColor)
1.163 +{
1.164 + GetHexStringFromNSColor(aColor, mColor);
1.165 + mCallback->Update(mColor);
1.166 +}
1.167 +
1.168 +void
1.169 +nsColorPicker::DoneWithRetarget()
1.170 +{
1.171 + mCallback->Done(EmptyString());
1.172 + mCallback = nullptr;
1.173 + NS_RELEASE_THIS();
1.174 +}
1.175 +
1.176 +void
1.177 +nsColorPicker::Done()
1.178 +{
1.179 + [sColorPanelWrapper release];
1.180 + sColorPanelWrapper = nullptr;
1.181 + DoneWithRetarget();
1.182 +}
