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GrabScroll4.uc.xul
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GrabScroll4.uc.xul
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<?xml version="1.0"?>
<?xml-stylesheet href="data:text/css,@namespace%20url('http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul');@namespace%20html%20url('http://www.w3.org/1999/xhtml');
%23GrabScroll-status {
padding-left:0px !important;
padding-right:0px !important;
}
%23GrabScroll-image {
list-style-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAlklEQVQ4jaWTuw0EIQxEd8UFBFeEczoYCYkm6IeiSU+zySIZjs9+JrKQ52GDvW1jGQA84905953k/gsASVJBlvoAKAajAeq8yu/eqE0l1uciYqcl6+QeYNpSm9wCvPe/nDNDCKxMABhjNG0VI1VVFFNKia8Ad/QK0HvE/Q5k+AuP+n8CWY72DHJpL0aAy0slIlYv0Gp8D2h34zRWWYjjAAAAAElFTkSuQmCC');
}
%23GrabScroll-image[status='true']{
opacity:1.0;
}
%23GrabScroll-image[status='false'] {
opacity:0.5;
}
" type="text/css"?>
<overlay id="GrabScroll"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<!--
// ==UserScript==
// @name GrabScroll4
// @namespace http://pc11.2ch.net/test/read.cgi/software/1168635399/
// @description This script allow scroll with drag screen. If you want to do select text, press alt Key
// @include main
// @include chrome://global/content/viewSource.xul
// @include chrome://global/content/viewPartialSource.xul
// @compatibility Firefox 2.0 3.0 3.5 3.6a2pre 3.7a1pre WinXP
// @author Original DragImage.uc.js
// @Modifier Alice0775
// @Note 文字列を選択したいときは,左click後にTIMER以内に選択開始する,またはaltKeyを押しながら選択
// @Note altキーを押しながらドラッグで文字列を選択
// @Note clickとmouseupのタイミングはWInXPの時 -mouseup-clickの順, 他のOSは知らん
// @Note shiftキーを押しながらドラッグでスクロール
// @version 2015/09/18 00:00 writing-mode
// ==/UserScript==
// @version 2015/01/15 00:00 fix strict mode
// @version 2013/09/13 00:00 Bug 856437 Remove Components.lookupMethod
// @version 2013/04/14 21:00 checking element using Ci.nsIImageLoadingContent instead of HTMLImageElement
// @version 2013/01/08 02:00 Bug 827546
// @version 2012/01/30 01:00 pagehide, this.xxx = null;
// @version 2011/10/30 Bug 684821 - Remove nsIDOMNSHTMLElement
// @version 2011/10/18 22:00 オーバーフロウなしのiframeの場合は親ドキュメント
// @version 2010/10/28 22:00 image documentの時自動リサイズされてしまうのを修正。
// @version 2010/08/14 12:00 クリックしたときの処理を変更
// @version 2010/03/19 23:00 Bug 442228 - Implement CSS property to control element resizability
// @version 2010/02/25 17:00
// @version 2010/01/16 18:00 viewSource
// @version 2009/08/22 18:00 要素のドラッグなど, カーソル形状がresize|move|all-scroll|crosshairの時は何もしないようにした。
// @version 2009/08/19 00:30 背の高いdivの場合, カーソル形状変更しない
// @version 2009/06/14 00:30 xmlに対応させた
// @version 2009/06/03 06:00 videoタグのビデオコントロール付きはドラッグしない
// @version 2009/05/21 12:00 typo
// @version 2009/05/21 00:00 tableのborder-widthを考慮してみた
// @version 2009/05/09 00:00 長いページでは閾値を少し長めにするため 閾値を調整
// @version 2009/05/05 00:00 文字の選択をしやすくするためにmousemove時の判定順番を変更, frame間等のdocumentの相違による制限を取りやめ
// @version 2009/04/30 19:00 2009/03/22 19:00のregressionでエラーが出る場合があった
// @version 2009/04/07 13:00 タイマー解除のタイミングを変更
// @version 2009/04/06 17:00 linuxでも
// @version 2009/03/28 12:00 長尺ページの時, document.body.style.cursorが 異様に遅い(cssのbug?)ので ターゲットがhtml/bodyだった時は cursorはいじらないようにした
// @version 2009/03/22 19:00 ResizeTa等でstyle.cursor = *-resizeの時は何もしない様にした
// @version 2009/02/19 19:00 メニュー修正
// @version 2009/02/18 14:00 "mouse moveがこの値以下の場合スタートしない"閾値を指定するようにした
// @version 2009/02/13 23:00 Flash等があるページで認識が甘かったので, mouseupの処理を修正してみた
// @version 2009/01/19 23:00 動かなくなっていた, 中ボタン,右ボタンを復活してみた。
// @version 2009/01/14 18:00 閾値すぎたらカーソル形状を元に戻すようにした
// @version 2009/01/11 00:00 キャプチャフェーズのフラグが違っていた
// @version 2009/01/10 00:00 getScrollViewのバグ
// @version 2009/01/05 14:00 Fixed bug: Can not scroll at the case that mouse pointer on document root.
// @version 2008/12/31 08:00 エラー出ていたので
// @version 2008/12/26 07:00 Bug 466856 - Crash [@ nsTypedSelection::CopyRangeToAnchorFocus] with triple-clicking changing display style on body 対策// @version 2008/12/26 07:00 開始の判定を改良 慣性スクロールはもひとつなのでデフォoff
// @version 2008/08/21 14:00 コンテンツの外でmouseupしたときstop
// @version 2008/08/14 21:00 zoom
// @version 2008/08/06 01:00 DIV要素等にも対応
// @version 2008/08/21 00:00 ドラッグ中にマウスが画面外になった場合, なんかリンク上の処理が変になっていた
// @version 2008/08/19 18:00 適当にブレーキががかるように
// @version 2008/07/26 17:00 マウス慣性を使うかどうか
// @version 2008/03/26 16:00
-->
<script type="application/x-javascript" xmlns="http://www.w3.org/1999/xhtml"><![CDATA[
var GrabScroll = {
MOUSEBUTTON :0, //0 LeftButton, 1 MiddleButton, 2 RightButton
MOVERATE :-1, // [+-]rate, マイナスの時ドラッグに画面が追従する方向,プラスはその逆
TIMER :500, //この値以上マウス長押した場合はGrabScrollを開始しない,
//連続ドラッグの時は, 閾値は自動的にこの値の1/10となる
INERTIA :false,//慣性を有効とするかどうか
INERTIATHRESHOLD :80, //自動スクロールの閾値
INERTIARATE :50, //自動スクロールの速度
NOTCLICABLELINK :true, //クリックできるリンク上はGrabScrollを開始しない
NOTIMAGE :false,//イメージはGrabScrollを開始しない
TOLERANCE :3, //mouse moveがこの値以下の場合スタートしない
TOLERANCE_WHEN_NO_H_SCROLL : 5, //横スクロールできないときに値以上横に動かした, GrabScrollをキャンセル
CANCEL_WHEN_SELECTION: true, //選択範囲があるときは, GrabScrollをキャンセル
// about:config grabScroll.disable.urlに GrabScrollを無視するURLをスペース区切りで列挙できる。
// 例 http://www.google.com/sky* http://books.google.co.jp/books?id=*
CURSOR: "-moz-grab",// cursor style
mStatus: 0, //0:アイドル, 1:mousedown中, 2:mousemove中, 3:スクロール後mouseup
mLastX: 0,
mLastY: 0,
mCursor: null,
mCursorElement: null,
_target: null, //マウスが指したエレメント
_target2: null, //マウスが指したエレメント
_isImage:false,
_timer:0, //閾値を判断するためのmouseup時の時刻保存
_ctimer:0,
_mtimer: false,
cScroll:false,
cSpeedX:0,
cSpeedY:0,
_doc:null,
_MOVERATEpZoom:1,
IGNOREURL:[],
_window: null,
initGrabScroll: function() {
if (GrabScroll.activeBrowser().mPanelContainer) {
this._window = GrabScroll.activeBrowser().mPanelContainer;
} else {
this._window = document.getElementById('content');
}
this._window.setCapture();
this._window.addEventListener("mousedown", this, true);
this._window.addEventListener("click", this, true);
this._window.addEventListener("mouseup", this, true);
gBrowser.addEventListener('pagehide', this, false);
GrabScroll.addPrefListener(GrabScroll.buttonPrefListener); // 登録処理
setTimeout(function(){GrabScroll.initPrefs();},0);
},
initPrefs: function() {
this.MOUSEBUTTON = this.getPref("grabScroll.button","int",this.MOUSEBUTTON);
this.MOVERATE = this.getPref("grabScroll.moverate","int",this.MOVERATE);
this.TIMER = this.getPref("grabScroll.timer","int",this.TIMER);
this.INERTIA = this.getPref("grabScroll.enableinertia","bool",this.INERTIA);
this.INERTIATHRESHOLD = this.getPref("grabScroll.inertiathreshold","int",this.INERTIATHRESHOLD);
this.INERTIARATE = this.getPref("grabScroll.inertiarate","int",this.INERTIARATE);
this.NOTCLICABLELINK = this.getPref("grabScroll.clickable","bool",this.NOTCLICABLELINK);
this.IGNOREURL = this.getPref("grabScroll.disable.url", "str", "").split(' ');
this.IGNOREURL.push("http://maps.google.*/*");
this.IGNOREURL.push("http://maps.yahoo.co.jp/pl*");
this.IGNOREURL.push("http://map.yahoo.co.jp/pl*");
this.IGNOREURL.push("http://map.goo.ne.jp/*");
this.IGNOREURL.push("http://www.mapion.co.jp/c/f*");
this.IGNOREURL.push("http://books.google.co.jp/books?id=*");
for(var aURL in this.IGNOREURL) {
if(this.IGNOREURL[aURL]==='')continue;
this.IGNOREURL[aURL] = this.convert2RegExp(this.IGNOREURL[aURL]);
}
var count = 0;
var timer = setInterval(function(self, enable){
if(++count > 100 || self.setIcon(enable))
clearInterval(timer);
},100, this, this.getPref("grabScroll.enable", "bool", true));
},
uninitGrabScroll: function() {
//document.documentElement.removeEventListener('SubBrowserFocusMoved', this.initGrabScroll(), false);
this._window.removeEventListener("mousedown", this, true);
this._window.removeEventListener("click", this, true);
this._window.removeEventListener("mouseup", this, true);
gBrowser.removeEventListener('pagehide', this, false);
GrabScroll.removePrefListener(GrabScroll.buttonPrefListener); // 登録処理
this.mStatus==0;
this._window.removeEventListener("mousemove", this, true);
},
activeBrowser: function() {
return ('SplitBrowser' in window ? SplitBrowser.activeBrowser : null )
|| gBrowser;
},
handleEvent: function(event) {
event = new XPCNativeWrapper(event);
switch(event.type) {
case "mousedown":
if (this.cScroll){
clearTimeout(this.cScroll);
this.cSpeedX = this.cSpeedY = 0;
}
if (this.getPref("grabScroll.enable", "bool", true) &&
!event.shiftKey && !event.ctrlKey && !event.altKey) {
this.grabStart(event);
} else if(!this.getPref("grabScroll.enable", "bool", true) &&
event.shiftKey && !event.ctrlKey && !event.altKey) {
this.grabStart(event);
}
break;
case "mousemove":
this.mousemove(event); break;
case "click":
this.click(event); break;
case "mouseup":
this.mouseup(event); break;
case 'pagehide':
this._doc = null;
this.mCursorElement = null;
this._target = null;
this._target2 = null;
this._isImage = null;
this.NS = this.EW = this.NSEW = null;
break;
}
},
grabStart: function(event) {
if (this.mStatus == 3)
this.mStatus = 0;
// マウスダウンが連続して発火した場合はGrabScrollを開始しない
if (this.MOUSEBUTTON == 0) {
if (Math.abs(this.mLastX - event.screenX) < 5 &&
Math.abs(this.mLastY - event.screenY) < 5 )
return
}
var doc = event.originalTarget.ownerDocument;
if (!doc)
return;
if (doc.contentType == 'application/vnd.mozilla.xul+xml')
return;
this._doc = doc;
if (event.button == this.MOUSEBUTTON && this.mStatus == 0) {
//選択範囲があるときはGrabScrollを開始しない
if (this.CANCEL_WHEN_SELECTION && this.MOUSEBUTTON == 0 && doc.defaultView.getSelection() != "")
return;
//開始ターゲット保存
this._target = event.originalTarget;
//マウスカーソル用のターゲット
if (/^(html|body)$/.test(this._target.localName.toLowerCase()) || this._target.clientHeight > 30000)
this._target2 = null;
else if (/div/.test(this._target.localName.toLowerCase()) && this._target.clientHeight > 1000)
this._target2 = null;
else
this._target2 = this._target;
//無視URLのときはGrabScrollを開始しない
for (aURL in this.IGNOREURL) {
if (this.IGNOREURL[aURL] === '')continue;
try {
if (doc.documentURI.match(this.IGNOREURL[aURL]))
return;
} catch(ex) {
dump(this.IGNOREURL[aURL]+'\n'+ex);
}
}
//エディット可能要素はGrabScrollを開始しない
if (this.isParentEditableNode(this._target))
return;
//ドラッガブル要素はGrabScrollを開始しない
if (this.isParentDraggableNode(this._target))
return;
//無死すべき要素はGrabScrollを開始しない
if (this.isIgnore(this._target))
return;
//ビデオコントロールはGrabScrollを開始しない
if (this.isVideoControl(event.target))
return;
//クリックできるリンク上はGrabScrollを開始しない
if (this.isParentClickableNode(this._target)){
if (this.NOTCLICABLELINK)
return;
//リンクのDragStart阻止
if (!('linkDragSelection' in window))
event.preventDefault();
}
//イメージ
this._isImage = this.isImage(event);
if (this._isImage) {
//イメージはGrabScrollを開始しない
if (this.NOTIMAGE)
return;
//イメージのDragStart阻止
event.preventDefault();
}
//Compativility with ResizeTa
var target = this._target;
while (target){
if ("getAttribute" in target && target.getAttribute("draggable") == "true")
return;
try {
var style = this._doc.defaultView.getComputedStyle(target, null);
//window.userChrome_js.debug(style.getPropertyValue("cursor"));
if (/resize|move|all-scroll|crosshair/.test(style.getPropertyValue("cursor")))
return;
else if (/resize|move|all-scroll|crosshair/.test(style.getPropertyValue("auto")))
break;
} catch(e) {}
target = target.parentNode;
}
//中クリックや右クリックの時, オートスクロールやマウスジェスチャをキャンセル
if (this.MOUSEBUTTON > 0) {
event.preventDefault();
event.stopPropagation();
}
this._timer = new Date().getTime();
this.mLastX = event.screenX;
this.mLastY = event.screenY;
this.mStatus = 1;
//ズームを考慮した移動量
this._MOVERATEpZoom = this.MOVERATE / (ZoomManager.useFullZoom ? ZoomManager.zoom : 1);
[this.NS, this.EW, this.NSEW] = this.getScrollView(event);
this._window.addEventListener("mousemove", this, true);
//マウス グラブ形状
this.setCursor(this._target2, this.CURSOR);
//マウス タイマーで戻す
this.resetCursorWithTimer(this._target2);
}
},
//長いページでは閾値を少し長めにするため 閾値を調整
adjustedTimer: function(){
var magTimer = this.TIMER;
/*
var height = 0;
if (this._doc.contentType != 'application/xml') { //orz
if (this._doc.body)
height = Math.max(this._doc.body.offsetHeight, this._doc.body.scrollHeight);
height = Math.max(height, this._doc.body.clientHeight);
}
magTimer *= Math.min(1, Math.max(Math.sqrt(Math.sqrt(height / 10000)),1));
*/
return magTimer;
},
grabFinish: function() {
//マウス 形状戻す
this.resetCursorTimer();
this.resetCursor();
this._window.removeEventListener("mousemove", this, true);
var selCon = this.getSelconForDoc(this._doc);
if (selCon)
selCon.setDisplaySelection(selCon.SELECTION_ON);
},
mousemove: function(event) {
//window.userChrome_js.debug("mousemove " + this.mStatus);
if (this.mStatus == 2 || this.mStatus == 1 ) {
var x = event.screenX;
var y = event.screenY;
var doc = event.originalTarget.ownerDocument;
//スクロール中にドキュメントが開始時点と異なっている(マウスジェスチャー等によって変わった可能性がある), GrabScrollをキャンセル
/*
if (this._doc != doc) {
this.cSpeedX = this.cSpeedY = 0;
this.grabFinish();
this.mStatus = 0;
return;
}
*/
if (this.mStatus == 1) {
//ドラッグスタートがthis.TIMERより遅いとき, GrabScrollをキャンセル
//長いページでは閾値を少し長めに
if (!this._isImage &&
(new Date().getTime() - this._timer) > this.adjustedTimer()) {
this.grabFinish();
this.mStatus = 0;
return;
}
//横スクロールできないときに横に動かした, GrabScrollをキャンセル
if (Math.abs(x-this.mLastX) < this.TOLERANCE_WHEN_NO_H_SCROLL)
var movingh = Math.abs(x-this.mLastX) > Math.abs(y-this.mLastY) * 50;
if (!this._isImage && this.MOUSEBUTTON == 0 && this.isText(event) && movingh && !this.EW) {
this.grabFinish();
this.mStatus = 0;
return;
}
//マウス移動量が小さいときは何もしない
if(Math.abs(x - this.mLastX) + Math.abs(y - this.mLastY) < this.TOLERANCE)
return;
if (this.MOUSEBUTTON == 0) {
//選択範囲あれば解除 (次のバグ回避のため removeAllRanges の直後に何かの style を変更しないこと)
// Bug 466856 - Crash [@ nsTypedSelection::CopyRangeToAnchorFocus] with
// triple-clicking changing display style on body
var selCon = this.getSelconForDoc(this._doc);
if (selCon) {
var selection = selCon.getSelection(selCon.SELECTION_NORMAL);
selection.removeAllRanges();
selCon.setDisplaySelection(selCon.SELECTION_OFF);
}
} else {
if ("ucjsMouseGestures" in window){
ucjsMouseGestures._isMouseDownR = false;
}
}
// this.mLastX += (x - this.mLastX) ? -this.MOVERATE: this.MOVERATE;
// this.mLastY += (y - this.mLastY) ? -this.MOVERATE: this.MOVERATE;
this.mLastX = x - (x - this.mLastX) / 10;
this.mLastY = y - (y - this.mLastY) / 10;
this.mStatus = 2;
}
//マウス タイマー解除
if (this._ctimer)
this.resetCursorTimer();
if (this._mtimer)
return;
this.cSpeedX = this._MOVERATEpZoom * (x - this.mLastX);
this.cSpeedY = this._MOVERATEpZoom * (y - this.mLastY);
this.scroll(event);
this.mLastX = x;
this.mLastY = y;
}
},
getSelconForDoc: function getSelconForDoc(doc){
if (!doc)
return null;
var aFrame = doc.defaultView;
if (!aFrame)
return null;
var docShell = this.getDocShellForFrame(aFrame);
var selCon = docShell
.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsISelectionDisplay)
.QueryInterface(Components.interfaces.nsISelectionController);
return selCon;
},
getDocShellForFrame: function getDocShellForFrame(aFrame){
return aFrame
.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIWebNavigation)
.QueryInterface(Components.interfaces.nsIDocShell);
},
click: function(event) {
//window.userChrome_js.debug("click " + this.mStatus);
if (event.button == this.MOUSEBUTTON && this.mStatus == 2) {
event.preventDefault();
event.stopPropagation();
}
if (event.button == 0 && this.mStatus >= 2 && this._doc instanceof Ci.nsIImageDocument) {
event.preventDefault();
event.stopPropagation();
}
this.grabFinish();
this.mStatus = 0;
},
mouseup: function(event) {
function scrolling(event, self){
Start = new Date().getTime();
self.scroll2(event);
self.cScroll = setTimeout(arguments.callee,
Math.max(25 - ((new Date()).getTime()-Start), 0), event, self);
}
//window.userChrome_js.debug("museup " + this.mStatus);
if (event.button == this.MOUSEBUTTON && this.mStatus > 1) {
event.preventDefault();
//event.stopPropagation();
this.grabFinish();
if (this.mStatus == 2)
this.mStatus = 3;
if (this.INERTIA &&
(Math.abs(this.cSpeedX) > this.INERTIATHRESHOLD || Math.abs(this.cSpeedY) > this.INERTIATHRESHOLD )){
if (this.cScroll)
clearTimeout(this.cScroll);
//this.winY = this.NS ? (this.NS.clientHeight) : (this.NSEW ? this.NSEW.clientHeight : 0);
//this.winX = this.EW ? (this.EW.clientWidth) : (this.NSEW ? this.NSEW.clientWidth : 0);
var v = this.INERTIARATE;
if (this.cSpeedX > 0)
this.cSpeedX = Math.min(this.cSpeedX, v);
else
this.cSpeedX = Math.max(this.cSpeedX, -v);
if (this.cSpeedY > 0)
this.cSpeedY = Math.min(this.cSpeedY, v);
else
this.cSpeedY = Math.max(this.cSpeedY, -v);
var Start;
this.scroll2(event);
scrolling(event, this);
/*
this.cScroll = setInterval(function(self){
self.scroll2(event);
}, Math.max(20 - ((new Date()).getTime()-Start), 0), this)
*/
}
} else if (event.button == this.MOUSEBUTTON && this.mStatus == 1){
this.grabFinish();
this.mStatus = 0;
}
},
scroll2: function(event){
var ay = Math.abs(this.cSpeedY);
var ax = Math.abs(this.cSpeedX);
//this.winY -= ay;
//this.winX -= ax;
//if (this.winY < 30)this.cSpeedY = 0;
//if (this.winX < 30)this.cSpeedX = 0;
if (ay < 1 && ax < 1){
clearTimeout(this.cScroll);
return;
}
this.scroll(event);
if (ax >= 100) this.cSpeedX = this.cSpeedX * 0.95;
else if (ax < 100) this.cSpeedX = this.cSpeedX * 0.95;
else if (ax < 20) this.cSpeedX = this.cSpeedX * 0.95;
else if (ax < 10) this.cSpeedX = this.cSpeedX * 0.95;
else if (ax < 5) this.cSpeedX = this.cSpeedX * 0.95;
else if (ax < 1) this.cSpeedX = 0;
if (ay >= 100) this.cSpeedY = this.cSpeedY * 0.95;
else if (ay < 100) this.cSpeedY = this.cSpeedY * 0.95;
else if (ay < 20) this.cSpeedY = this.cSpeedY * 0.95;
else if (ay < 10) this.cSpeedY = this.cSpeedY * 0.95;
else if (ay < 5) this.cSpeedY = this.cSpeedY * 0.95;
else if (ay < 1) this.cSpeedY = 0;
},
scroll: function(event){
this._mtimer = true;
if(this.NS && this.NS == this.EW){
if ("scrollBy" in this.NS) {
this.NS.scrollBy(this.cSpeedX, this.cSpeedY);
} else {
this.NS.scrollLeft += this.cSpeedX;
this.NS.scrollTop += this.cSpeedY;
}
} else {
if(this.NS){
if ("scrollBy" in this.NS) {
this.NS.scrollBy(0, this.cSpeedY);
} else {
this.NS.scrollTop += this.cSpeedY;
}
}
if(this.EW){
if ("scrollBy" in this.EW) {
this.EW.scrollBy(this.cSpeedX, 0);
} else {
this.EW.scrollLeft += this.cSpeedX;
}
}
}
setTimeout(function(self){
self._mtimer = false;
}, 20, this);
},
isText: function(event) {
return event.explicitOriginalTarget.nodeType == document.TEXT_NODE;
},
isImage: function(event) {
if (event.target instanceof Ci.nsIImageLoadingContent)
return event.target;
else
return null;
},
isIgnore: function(aNode){
while (aNode){
var name = aNode.nodeName.toLowerCase();
if (name == "html")
return false;
if (/(scrollbar|select|option|embed|object|tree|applet|statusbar)/.test(name))
return true;
aNode = aNode.parentNode;
}
return false;
},
isParentClickableNode : function(aNode) {
if (!aNode) return null;
var d = aNode.ownerDocument;
try {
var xpathResult = d.evaluate(
/*'ancestor-or-self::*[((local-name() = "a" or local-name() = "A") and @href) or local-name() = "button" or local-name() = "BUTTON" or ((local-name() = "input" or local-name() = "INPUT") and (@type = "SUBMIT" or @type = "submit" or @type = "BUTTON" or @type = "button" or @type = "IMAGE" or @type = "image"))]',*/
'ancestor-or-self::*[((local-name() = "a" or local-name() = "A")) or local-name() = "button" or local-name() = "BUTTON" or ((local-name() = "input" or local-name() = "INPUT") and (@type = "SUBMIT" or @type = "submit" or @type = "BUTTON" or @type = "button" or @type = "IMAGE" or @type = "image"))]',
aNode,
this.NSResolver,
XPathResult.FIRST_ORDERED_NODE_TYPE,
null
);
}
catch(e) {
return null;
}
return xpathResult.singleNodeValue;
},
NSResolver : {
lookupNamespaceURI : function(aPrefix) {
switch (aPrefix) {
case 'xul':
return 'http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul';
case 'html':
case 'xhtml':
return 'http://www.w3.org/1999/xhtml';
case 'xlink':
return 'http://www.w3.org/1999/xlink';
default:
return '';
}
}
},
isParentEditableNode : function(node){
try {
if (node.ownerDocument.designMode == 'on')
return node;
} catch(e) {}
while (node && node.parentNode) {
try {
if (!(node instanceof Ci.nsIDOMNSEditableElement))
throw 0;
node.QueryInterface(Ci.nsIDOMNSEditableElement);
return node;
}
catch(e) {
}
node = node.parentNode;
}
return null;
},
isParentDraggableNode : function(node){
while (node && node.parentNode) {
//window.userChrome_js.debug(node.getAttribute('draggable') == 'true');
if (node.getAttribute('draggable') == 'true')
return node;
node = node.parentNode;
}
return null;
},
isVideoControl: function(node) {
if (/^(audio|video)$/i.test(node.localName)) {
return true;
var i = 0;
while (i < node.childNodes.length) {
var child =node.childNodes[i];
if (child.hasAttribute('controls') && child.getAttribute('controls') == 'controls') {
return true;
}
i++;
}
}
return false;
},
setCursor: function(element, cursor) {
if (!!element && element.style) {
try {
this.mCursor = element.style.cursor;
this.mCursorElement = element;
element.style.cursor = cursor;
} catch(e) { }
}
},
resetCursor: function() {
var element = this.mCursorElement;
if (!!element) {
try {
element.style.cursor = this.mCursor;
this.mCursor = null;
this.mCursorElement = null;
} catch(e) { }
}
},
resetCursorWithTimer: function() {
if (this._ctimer)
clearTimeout(this._ctimer);
this._ctimer = setTimeout(function(self){
self.resetCursor();
}, this.adjustedTimer(), this);
},
resetCursorTimer: function() {
if (this._ctimer) {
clearTimeout(this._ctimer);
this._ctimer = null;
}
},
// Converts a pattern in this programs simple notation to a regular expression.
// thanks AdBlock! http://www.mozdev.org/source/browse/adblock/adblock/
convert2RegExp: function( pattern ) {
var s = new String(pattern);
var res = new String("^");
for (var k = 0 ; k < s.length ; k++) {
switch(s[k]) {
case '*' :
res += ".*";
break;
case '.' :
case '?' :
case '^' :
case '$' :
case '+' :
case '{' :
case '[' :
case '|' :
case '(' :
case ')' :
case ']' :
res += "\\" + s[k];
break;
case '\\' :
res += "\\\\";
break;
case ' ' :
// Remove spaces from URLs.
break;
default :
res += s[k];
break;
}
}
// fortunately, we don't need .tld in chrome :)
return new RegExp(res + '$', "i");
},
toggle: function(flag){
if(typeof flag =='undefined')
flag = this.getPref("grabScroll.enable","bool",true);
this.setPref("grabScroll.enable","bool",!flag);
this.setIcon(!flag);
},
button: function(){
this.MOUSEBUTTON = this.getPref("grabScroll.button","int",this.MOUSEBUTTON);
var value = prompt("button(L M R): ","LMR".substr(this.MOUSEBUTTON,1));
if (!value)
return;
switch(value.toUpperCase()){
case "M": value =1; break;
case "R": value =2; break;
default:
case "L": value =0; break;
}
this.MOUSEBUTTON = value;
this.setPref("grabScroll.button","int",value);
},
threshold: function(){
this.TIMER = this.getPref("grabScroll.timer","int",this.TIMER);
var value = prompt("Timer: ",this.TIMER);
if (!value)
return;
this.TIMER = parseInt(value,10);
if( this.TIMER <=0 || !this.TIMER ) this.TIMER = 1000;
this.setPref("grabScroll.timer","int",this.TIMER);
},
moverate: function(){
this.MOVERATE = this.getPref("grabScroll.moverate","int",this.MOVERATE);
var value = prompt("[+-]rate: ",this.MOVERATE);
if (!value)
return;
this.MOVERATE = parseInt(value,10);
if( !this.MOVERATE ) this.MOVERATE = -1;
this.setPref("grabScroll.moverate","int",this.MOVERATE);
},
inertiaToggle: function(){
this.INERTIA = !this.getPref("grabScroll.enableinertia","bool",this.INERTIA);
this.setPref("grabScroll.enableinertia","bool",this.INERTIA);
},
inertiaThreshold: function(){
this.INERTIATHRESHOLD = this.getPref("grabScroll.inertiathreshold","int",this.INERTIATHRESHOLD);
var value = prompt("Kinetic scroll threshold: ",this.INERTIATHRESHOLD);
if (!value)
return;
this.INERTIATHRESHOLD = parseInt(value,10);
if( !this.INERTIATHRESHOLD ) this.INERTIATHRESHOLD = 20;
this.setPref("grabScroll.inertiathreshold","int",this.INERTIATHRESHOLD);
},
inertiarate: function(){
this.INERTIARATE = this.getPref("grabScroll.inertiarate","int",this.INERTIARATE);
var value = prompt("Kinetic scroll speed: ",this.INERTIARATE);
if (!value)
return;
this.INERTIARATE = parseInt(value,10);
if( !this.INERTIARATE ) this.INERTIARATE = 20;
this.setPref("grabScroll.inertiarate","int",this.INERTIARATE);
},
clickable: function(){
this.NOTCLICABLELINK = !this.getPref("grabScroll.clickable","bool",this.NOTCLICABLELINK);
this.setPref("grabScroll.clickable","bool",this.NOTCLICABLELINK);
},
onpopup: function(){
document.getElementById('GrabScroll_enable')
.setAttribute('checked', this.getPref("grabScroll.enable","bool",true));
document.getElementById('GrabScroll_enableInertia')
.setAttribute('checked', this.getPref("grabScroll.enableinertia","bool",this.INERTIA));
document.getElementById('GrabScroll_clickable')
.setAttribute('checked', !this.getPref("grabScroll.clickable","bool",this.NOTCLICABLELINK));
},
setIcon: function(flag){
try{
document.getElementById("GrabScroll-image").setAttribute('status', flag);
return true;
}catch(e){
return false;
}
},
getScrollView: function (event) {
//var Start = new Date().getTime();
var NS,EW,NSEW;
NS = EW = NSEW = null;
var _scrollingView = null;
var overflowx, overflowy, ox, oy;
var scw, sch, horz, vert;
var doc, style;
var borderTop;
var borderBottom;
var borderLeft;
var borderRight;
if (event.originalTarget.ownerDocument.contentType == "application/xml") {
_scrollingView = event.originalTarget.ownerDocument.defaultView;
if (_scrollingView.scrollMaxX > 0) {
if (_scrollingView.scrollMaxY > 0) {
NSEW = _scrollingView;
NS = _scrollingView;
}
EW = _scrollingView;
}
else if (_scrollingView.scrollMaxY > 0) {
NS = _scrollingView;
}
else {
return [NS, EW, NSEW];
}
} else {
for (_scrollingView = event.originalTarget; _scrollingView; _scrollingView = _scrollingView.parentNode) {
if (_scrollingView instanceof HTMLElement) {
if (_scrollingView.localName.toUpperCase() == "HTML" ||
_scrollingView.localName.toUpperCase() == "BODY") {
//alert(_scrollingView.scrollWidth - _scrollingView.clientWidth);
//_scrollingView = _scrollingView.ownerDocument.defaultView;
if (_scrollingView.scrollWidth - _scrollingView.clientWidth > 0 &&
_scrollingView.scrollHeight - _scrollingView.clientHeight> 0) {
NSEW = !NSEW ? _scrollingView : NSEW;
EW = !EW ? _scrollingView.ownerDocument.defaultView : EW;
NS = !NS ? _scrollingView.ownerDocument.defaultView : NS;
}
if (_scrollingView.scrollWidth - _scrollingView.clientWidth > 0) {
EW = !EW ? _scrollingView.ownerDocument.defaultView : EW;
}
if (_scrollingView.scrollHeight - _scrollingView.clientHeight > 0) {
NS = !NS ? _scrollingView.ownerDocument.defaultView : NS;
}
if (_scrollingView.ownerDocument.defaultView.frameElement && !NS && !EW && !NSEW) {
return this.getScrollView({originalTarget : _scrollingView.ownerDocument.defaultView.frameElement});
}
if (_scrollingView.localName.toUpperCase() == "BODY")
continue;
else
break;
}
if (_scrollingView.localName.toLowerCase() == "select") {
_scrollingView.parentNode.focus();
return [NS, EW, NSEW];
}
overflowx = "";
overflowy = "";
ox = true;
oy = true;
try {
doc = _scrollingView.ownerDocument;
style = doc.defaultView.getComputedStyle(_scrollingView, "");
overflowx = style.getPropertyValue("overflow-x");
ox = overflowx != "hidden" && overflowx != "visible";
overflowy = style.getPropertyValue("overflow-y");
oy = overflowy != "hidden" && overflowy != "visible";
} catch (ex) {
}
borderTop = 0;
borderBottom = 0;
borderLeft = 0;
borderRight = 0;
if (/^(table|td|th)$/i.test(_scrollingView.localName)) {
try {
doc = _scrollingView.ownerDocument;
style = doc.defaultView.getComputedStyle(_scrollingView, "");
borderTop = style.getPropertyValue("border-top-width").replace('px', '');
borderBottom = style.getPropertyValue("border-bottom-width").replace('px', '');
borderLeft = style.getPropertyValue("border-left-width").replace('px', '');
borderRight = style.getPropertyValue("border-right-width").replace('px', '');
} catch (ex) {
}
}
scw = _scrollingView.clientWidth;
horz = ox && scw !== 0 &&
scw + borderLeft + borderRight < _scrollingView.scrollWidth;
sch = _scrollingView.clientHeight;
vert = oy && sch !== 0 &&
sch + borderTop + borderBottom < _scrollingView.scrollHeight;
if (horz && vert) {
NSEW = !NSEW ? _scrollingView : NSEW;
EW = !EW ? _scrollingView : EW;
NS = !NS ? _scrollingView : NS;
break;
}
if (horz) {
EW = !EW ? _scrollingView : EW;
}
if (vert) {
NS = !NS ? _scrollingView : NS;
}
}
} // for
}
//this.debug('getScrollView: '+((new Date()).getTime()-Start) +'msec\n');
return [NS, EW, NSEW];
},
getPref: function(aPrefString, aPrefType, aDefault){
var xpPref = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch2);
try{
switch (aPrefType){
case "str":
return xpPref.getCharPref(aPrefString).toString(); break;
case "int":
return xpPref.getIntPref(aPrefString); break;
case "bool":
default:
return xpPref.getBoolPref(aPrefString); break;
}
}catch(e){
}
return aDefault;
},
setPref: function(aPrefString, aPrefType, aValue){
var xpPref = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch2);
try{
switch (aPrefType){
case "str":
return xpPref.setCharPref(aPrefString, aValue); break;
case "int":
aValue = parseInt(aValue);
return xpPref.setIntPref(aPrefString, aValue); break;
case "bool":
default:
return xpPref.setBoolPref(aPrefString, aValue); break;
}
}catch(e){
}
return null;
},
debug: function(aMsg){
Cc["@mozilla.org/consoleservice;1"]
.getService(Ci.nsIConsoleService)
.logStringMessage(aMsg);
},
// 監視を開始する
addPrefListener: function(aObserver) {
try {
var pbi = Components.classes['@mozilla.org/preferences;1'].getService(Components.interfaces.nsIPrefBranch2);
pbi.addObserver(aObserver.domain, aObserver, false);
} catch(e) {}
},
// 監視を終了する
removePrefListener: function(aObserver) {
try {
var pbi = Components.classes['@mozilla.org/preferences;1'].getService(Components.interfaces.nsIPrefBranch2);
pbi.removeObserver(aObserver.domain, aObserver);