KCD/HMSourceListColoredView.m

   1 //
   2 //  HMSourceListColoredView.m
   3 //  KCD
   4 //
   5 //  Created by Hori,Masaki on 2015/06/04.
   6 //  Copyright (c) 2015年 Hori,Masaki. All rights reserved.
   7 //
   8
   9 #import "HMSourceListColoredView.h"
  10
  11 @interface HMSourceListColoredView ()
  12 @property (strong, nonatomic) NSColor *backgroundColor;
  13 @property (nonatomic, getter=isObservingKeyState) BOOL observingKeyState;
  14 @end
  15
  16 @implementation HMSourceListColoredView
  17 - (instancetype)initWithFrame:(NSRect)frameRect
  18 {
  19         self = [super initWithFrame:frameRect];
  20         if([NSVisualEffectView class]) {
  21                 NSVisualEffectView *view = [[NSVisualEffectView alloc] initWithFrame:self.frame];
  22                 return (HMSourceListColoredView *)view;
  23         }
  24         return self;
  25 }
  26 - (void)dealloc
  27 {
  28         if (self.isObservingKeyState) {
  29                 [[NSNotificationCenter defaultCenter] removeObserver:self
  30                                                                                                                 name:NSWindowDidBecomeKeyNotification
  31                                                                                                           object:[self window]];
  32                 [[NSNotificationCenter defaultCenter] removeObserver:self
  33                                                                                                                 name:NSWindowDidResignKeyNotification
  34                                                                                                           object:[self window]];
  35         }
  36 }
  37
  38 - (void)viewDidMoveToWindow
  39 {
  40         NSTableView *tableView = [[NSTableView alloc] init];
  41         [tableView setSelectionHighlightStyle:NSTableViewSelectionHighlightStyleSourceList];
  42         _backgroundColor = [tableView backgroundColor];
  43         [self addWindowKeyStateObservers];
  44 }
  45
  46 - (void)addWindowKeyStateObservers
  47 {
  48         if (!self.isObservingKeyState) {
  49                 [[NSNotificationCenter defaultCenter] addObserver:self
  50                                                                                                  selector:@selector(redisplay)
  51                                                                                                          name:NSWindowDidBecomeKeyNotification
  52                                                                                                    object:[self window]];
  53
  54                 [[NSNotificationCenter defaultCenter] addObserver:self
  55                                                                                                  selector:@selector(redisplay)
  56                                                                                                          name:NSWindowDidResignKeyNotification
  57                                                                                                    object:[self window]];
  58         }
  59         self.observingKeyState = YES;
  60 }
  61
  62 - (void)redisplay
  63 {
  64         [self setNeedsDisplay:YES];
  65 }
  66
  67 - (void)drawRect:(NSRect)dirtyRect
  68 {
  69         [_backgroundColor setFill];
  70         NSRectFill(dirtyRect);
  71 }
  72
  73 @end