LDRize/Extension/jkScroll

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
-
|
|
|
|
-
|
|
|
|
|
|
|
-
|
!
-
-
|
|
!
-
|
|
|
!
!
-
|
|
|
|
|
|
-
|
|
|
-
|
|
|
|
-
|
|
!
|
|
!
!
!
|
-
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|

// ==UserScript==
// @name           j k Scroll
// @description    Press j or k key , and scroll (in case that LDRize are not working on its page)
// @include        http*
// @exclude        http://fastladder.com/reader/*
// @exclude        http://www.bloglines.com/*
// @exclude        http://mail.google.*/*
// @exclude        https://mail.google.*/*
// @exclude        http://www.google.*/reader/*
// @exclude        https://www.google.*/reader/*
// @exclude        http://b.hatena.ne.jp/*
// @exclude        http://reader.livedoor.com/reader/*
// @exclude        http://*rememberthemilk.com/*
// @version        0.0.2
// ==/UserScript==
 
//流用元
// name           ScrollCommand
// namespace      http://d.hatena.ne.jp/Constellation/
// description    Press j or k key , and scroll (in case that LDRize are not working on its page)
// include        *
// author         Constellation
// version        0.0.1
 
setTimeout(function() {try{
    var SCROLLHEIGHT = 200;
 
    var documentBody = (document.compatMode == "CSS1Compat") ? document.documentElement : document.body;
 
    var SmoothScroll = {
        steps : 20,
        duration : 100,
 
        destinationx: null,
        destinationy: null,
        timerID: null,
        callBackFunc: null,
        setCallback : function(f) {
            this.callBackFunc = f;
        },
        stop : function() {
            if (this.timerID != null) {
                clearTimeout(this.timerID);
                this.timerID = null;
            }
            if ((this.destinationx != null) && (this.destinationy != null)) {
                scrollTo(this.destinationx, this.destinationy);
                this.destinationx = null;
                this.destinationy = null;
            }
        },
        scrollTo : function(destX, destY){
            this.destinationx = destX;
            this.destinationy = destY;
            this.step = 0;
            var self = this;
            this.prevY = -1;
 
            self.timerID = setTimeout(function() {
                var y = documentBody.scrollTop;
 
                yy = self.destinationy - ((self.destinationy - y) / 2);
                if ((y == self.prevY) || (Math.abs(self.destinationy - yy) < 1) || (self.step + 1 == self.steps)) {
                    scrollTo(self.destinationx, self.destinationy);
                    setTimeout(function() { if (self.callBackFunc != null) self.callBackFunc(); }, 10);
                    self.destinationx = null;
                    self.destinationy = null;
                } else {
                    scrollTo(self.destinationx, yy);
                    self.timerID = setTimeout(arguments.callee, (self.duration / self.steps) * (self.step + 1));
                }
                self.step++;
                this.prevY = y;
            }, (this.duration / this.steps) * this.step + 1);
        }
    };
    
    var ShortcutKey = {
        repKey: {
            '8': 'BS','9': 'TAB','13': 'Enter','27': 'ESC',
            '33': 'PageUp','34': 'PageDown',
            '35': 'End','36': 'Home',
            '37': 'Left','38': 'Up','39': 'Right','40': 'Down',
            '45': 'Insert','46': 'Delete',
            '188': ',', '189': '-', '190': '.','191': '/', '192': '@',
            '219': '[', '220': '\\', '221': ']', '222': '^', '226': '\\'
		},
		deepKey: ['ESC', 'TAB', 'Home', 'End', 'Insert', 'Delete', 'C-.+', 'A-.+'].join('|'),
		keyEvent: [],
		init: function() {
			document.body.attachEvent('ｏｎｋｅｙｄｏｗｎ', ShortcutKey.keyHandle);
			window.attachEvent('ｏｎｕｎｌｏａｄ', function() {
				document.body.detachEvent('ｏｎｋｅｙｄｏｗｎ', ShortcutKey.keyHandle);
				window.detachEvent('ｏｎｕｎｌｏａｄ', arguments.callee);
			});
		},
		keyHandle: function(event) {
			var event = window.event;
			var key = '';
			var rep = false;
			for (var i in ShortcutKey.repKey) {
				if (i == event.keyCode) {
					key = ShortcutKey.repKey[i];
					rep = true;
					break;
				}
			}
			if (key == '')
				key = String.fromCharCode(event.keyCode).toLowerCase();
			key = (event.shiftKey) ? "S-" + key : key;
			key = (event.ctrlKey) ? "C-" + key : key;
			key = (event.altKey || event.metaKey) ? "A-" + key : key;
			var re = new RegExp(ShortcutKey.deepKey);
			var isDeep = re.test(key);
			if ((document.activeElement.tagName.match(/input|textarea/i)) && (!isDeep)) return;
			var func = ShortcutKey.keyEvent[key];
			if(func){
				func();
				event.cancelBubble = true;
				event.returnValue = false;
			}
		},
		add: function(key, func) {
			ShortcutKey.keyEvent[key] = func;
		}
	}
	
	ShortcutKey.init();
	if ((window.LDRize) && (window.LDRize.getCurrentParagraph())) {
		window.LDRize.addKeyBind('S-j', function() {
			SmoothScroll.stop();
			SmoothScroll.scrollTo(0, documentBody.scrollTop + SCROLLHEIGHT);
		});
		window.LDRize.addKeyBind('S-k', function() {
			SmoothScroll.stop();
			SmoothScroll.scrollTo(0, documentBody.scrollTop - SCROLLHEIGHT);
		});
	} else {
		ShortcutKey.add('j', function() {
			SmoothScroll.stop();
			SmoothScroll.scrollTo(0, documentBody.scrollTop + SCROLLHEIGHT);
		});
		ShortcutKey.add('k', function() {
			SmoothScroll.stop();
			SmoothScroll.scrollTo(0, documentBody.scrollTop - SCROLLHEIGHT);
		});
	}
}catch(e){}
}, 0);