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Simplify dynamically inserted codes

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This commit is contained in:
YUKI Hiroshi 2012-11-29 19:34:20 +09:00
parent 18d4fec990
commit 9f8662bf87
1 changed files with 176 additions and 108 deletions
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272
content/treestyletab/res/tabsDragUtils.js
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@ -132,93 +132,73 @@
let original = aObserver._animateTabMove;
aObserver.__TabsDragUtils_original__animateTabMove = original;
eval('aObserver._animateTabMove = '+
original.toSource().replace( // support vertical tab bar
original.toSource().replace( // add a new argument
')',
', aOptions)'
).replace(
'{',
'{ var TDUContext = window["piro.sakura.ne.jp"].tabsDragUtils.setupContext(event, aOptions);'
).replace( // support vertical tab bar
/\.screenX/g,
'[position]'
'[TDUContext.position]'
).replace( // support vertical tab bar
/\.width/g,
'[size]'
'[TDUContext.size]'
).replace( // support vertical tab bar
/(['"])translateX\(/g,
'$1$1 + translator + $1('
'$1$1 + TDUContext.translator + $1('
).replace( // support vertical tab bar
/\.scrollX/g,
'[scroll]'
'[TDUContext.scroll]'
).replace(
/(let draggedTab = [^;]+;)/,
'$1\n' +
'let draggedTabs = window["piro.sakura.ne.jp"].tabsDragUtils.getDraggedTabs(event);\n' +
'draggedTab = draggedTabs[0];'
'draggedTab = TDUContext.draggedTab;\n'
).replace(
'if (!("animLastScreenX" in draggedTab._dragData))',
'let tabsWidth = 0;\n' +
'draggedTabs.forEach(function(draggedTab) {\n' +
' let style = window.getComputedStyle(draggedTab, null);\n' +
' if (style.visibility != "collapse" && style.display != "none")\n' +
' tabsWidth += draggedTab.boxObject[size];\n' +
' window["piro.sakura.ne.jp"].tabsDragUtils.fixDragData(draggedTab._dragData);\n' +
' $&'
).replace(
'draggedTab._dragData.animLastScreenX = draggedTab._dragData[position];',
' $&\n' +
'}, this);'
).replace(
'let draggingRight = ',
'draggedTabs.forEach(function(draggedTab) {\n' +
'let screenX = event',
'TDUContext.utils.setupDraggedTabs(TDUContext);\n' +
'$&'
).replace(
'draggedTab._dragData.animLastScreenX = screenX;',
'$&\n' +
'}, this);'
'TDUContext.utils.updateDraggedTabs(TDUContext);'
).replace(
/(let tabWidth = [^;]+;)/,
'$1\n' +
'let tabCenterOffset = aOptions.canDropOnSelf ? (tabWidth / 3) : 0 ;'
).replace(
'let tabCenter = ',
'draggedTabs.slice(1).forEach(function(tab) {\n' +
' tab.style.transform = draggedTab.style.transform;\n' +
'}, this);\n' +
'translateX = Math.max(',
'leftBound = TDUContext.utils.updateLeftBound(leftBound, TDUContext);\n' +
'rightBound = TDUContext.utils.updateRightBound(rightBound, TDUContext);\n' +
'$&'
).replace(
/(let tabCenter = )([^;]+)\/ 2;/,
'$1Math.round($2 / units/*2*/);\n' + // support drop on self
'let tabLeftCenter = tabCenter;\n' +
'let tabRightCenter = Math.round(tabScreenX + translateX + tabsWidth - tabWidth / units);'
'let tabCenter = ',
'TDUContext.tabScreenX = tabScreenX;\n' +
'TDUContext.translateX = translateX;\n' +
'TDUContext.utils.updateDraggedTabsTransform(TDUContext);\n' +
'$&'
).replace(
'tabs[mid] == draggedTab',
'/* $& */ false'
'if (screenX > tabCenter)',
'/* $& */ if (screenX > TDUContext.lastTabCenter)'
).replace(
'(screenX > tabCenter)',
'/* $& */ (screenX + tabCenterOffset > tabRightCenter)'
'newIndex = tabs[mid]._tPos;',
'$&\n' +
'TDUContext.tabCenter = tabCenter;\n' +
'TDUContext.screenX = screenX;\n' +
'TDUContext.utils.updateDontMove(boxObject, TDUContext);\n'
).replace(
'(screenX + boxObject[size] < tabCenter)',
'/* $& */ (screenX + boxObject[size] - tabCenterOffset < tabLeftCenter)'
'if (newIndex >= oldIndex)',
'if (TDUContext.utils.checkDontMove(TDUContext)) return;\n' +
'$&'
).replace(
'draggedTab._dragData.animDropIndex = newIndex',
'tabs = tabs.filter(function(tab) { return draggedTabs.indexOf(tab) < 0 });\n' +
'tabs = TDUContext.utils.extractNotDraggedTabs(tabs, TDUContext);\n' +
'$&'
).replace(
'-tabWidth : tabWidth',
'/* $& */ -tabsWidth : tabsWidth'
'/* $& */ -TDUContext.tabsWidth : TDUContext.tabsWidth'
).replace(
'tabWidth : -tabWidth',
'/* $& */ tabsWidth : -tabsWidth'
).replace( // add a new argument
')',
', aOptions)'
).replace( // insert initialization processes
'{',
'{\n' +
' if (typeof aOptions == "boolean") aOptions = { canDropOnSelf: aOptions };\n' +
' aOptions = aOptions || {};\n' +
' var isVertical = "isVertical" in aOptions ? aOptions.isVertical : window["piro.sakura.ne.jp"].tabsDragUtils.isVertical(this) ;\n' +
' var position = isVertical ? "screenY" : "screenX" ;\n' +
' var size = isVertical ? "height" : "width" ;\n' +
' var scroll = isVertical ? "scrollY" : "scrollX" ;\n' +
' var translator = isVertical ? "translateY" : "translateX" ;\n' +
' aOptions.canDropOnSelf = aOptions.canDropOnSelf || ("TreeStyleTabService" in window);\n' +
' var units = aOptions.canDropOnSelf ? 3 : 2 ;'
'/* $& */ TDUContext.tabsWidth : -TDUContext.tabsWidth'
).replace(
/(\}\)?)$/,
'TDUContext.destroy(); $1'
)
);
aObserver.__TabsDragUtils_updated__animateTabMove = aObserver._animateTabMove;
@ -227,45 +207,32 @@
* Full version
* base version: Firefox 17 beta
* revision : http://hg.mozilla.org/releases/mozilla-beta/rev/20e73f5b19c3
* date : 2012-10-09
* date : 2012-11-29
* source : http://mxr.mozilla.org/mozilla-central/source/browser/base/content/tabbrowser.xml
*/
// // function _animateTabMove(event) {
// function _animateTabMove(event, aOptions) {
// if (typeof aOptions == "boolean") aOptions = { canDropOnSelf: aOptions };
// aOptions = aOptions || {};
// var isVertical = "isVertical" in aOptions ? aOptions.isVertical : window["piro.sakura.ne.jp"].tabsDragUtils.isVertical(this) ;
// var position = isVertical ? "screenY" : "screenX" ;
// var size = isVertical ? "height" : "width" ;
// var translator = isVertical ? "translateY" : "translateX" ;
// aOptions.canDropOnSelf = aOptions.canDropOnSelf || ("TreeStyleTabService" in window);
// var units = aOptions.canDropOnSelf ? 3 : 2 ;
// var TDUContext = window["piro.sakura.ne.jp"].tabsDragUtils.setupContext(event, aOptions);
//
// let draggedTab = event.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0);
// var draggedTabs = window['piro.sakura.ne.jp'].tabsDragUtils.getDraggedTabs(event);
// draggedTab = draggedTabs[0];
// draggedTab = TDUContext.draggedTab;
//
// if (this.getAttribute("movingtab") != "true") {
// this.setAttribute("movingtab", "true");
// this.selectedItem = draggedTab;
// }
//
// let tabsWidth = 0;
// draggedTabs.forEach(function(draggedTab) {
// let style = window.getComputedStyle(draggedTab, null);
// if (style.visibility != "collapse" && style.display != "none") tabsWidth += draggedTab.boxObject[size]/*.width*/;
// window['piro.sakura.ne.jp'].tabsDragUtils.fixDragData(draggedTab._dragData);
// if (!("animLastScreenX" in draggedTab._dragData))
// draggedTab._dragData.animLastScreenX = draggedTab._dragData[position]/*.screenX*/;
// }, this);
// draggedTab._dragData.animLastScreenX = draggedTab._dragData[TDUContext.position]/*.screenX*/;
//
// let screenX = event[position]/*.screenX*/;
// TDUContext.utils.setupDraggedTabs(TDUContext);
// let screenX = event[TDUContext.position]/*.screenX*/;
// if (screenX == draggedTab._dragData.animLastScreenX)
// return;
//
// draggedTabs.forEach(function(draggedTab) {
// let draggingRight = screenX > draggedTab._dragData.animLastScreenX;
// draggedTab._dragData.animLastScreenX = screenX;
// }, this);
// TDUContext.utils.updateDraggedTabs(TDUContext);
//
// let rtl = (window.getComputedStyle(this).direction == "rtl");
// let pinned = draggedTab.pinned;
@ -276,24 +243,26 @@
// if (rtl)
// tabs.reverse();
//
// let tabWidth = draggedTab.getBoundingClientRect()[size]/*.width*/;
// let tabCenterOffset = aOptions.canDropOnSelf ? (tabWidth / 3) : 0 ;
// let tabWidth = draggedTab.getBoundingClientRect()[TDUContext.size]/*.width*/;
//
// // Move the dragged tab based on the mouse position.
//
// let leftTab = tabs[0];
// let rightTab = tabs[tabs.length - 1];
//
// let tabScreenX = draggedTab.boxObject[position]/*.screenX*/;
// let tabScreenX = draggedTab.boxObject[TDUContext.position]/*.screenX*/;
// let translateX = screenX - draggedTab._dragData[offset]/*.offsetX*/;
// if (!pinned)
// translateX += this.mTabstrip.scrollPosition - draggedTab._dragData[scroll]/*.scrollX*/;
// let leftBound = leftTab.boxObject[position]/*.screenX*/ - tabScreenX;
// let rightBound = (rightTab.boxObject[position]/*.screenX*/ + rightTab.boxObject[size]/*.width*/) -
// translateX += this.mTabstrip.scrollPosition - draggedTab._dragData[TDUContext.scroll]/*.scrollX*/;
// let leftBound = leftTab.boxObject[TDUContext.position]/*.screenX*/ - tabScreenX;
// let rightBound = (rightTab.boxObject[TDUContext.position]/*.screenX*/ + rightTab.boxObject[TDUContext.size]/*.width*/) -
// (tabScreenX + tabWidth);
// leftBound = TDUContext.utils.updateLeftBound(leftBound, TDUContext);
// rightBound = TDUContext.utils.updateRightBound(rightBound, TDUContext);
// translateX = Math.max(translateX, leftBound);
// translateX = Math.min(translateX, rightBound);
// draggedTab.style.transform = "translateX(" + translateX + "px)";
// // draggedTab.style.transform = "translateX(" + translateX + "px)";
// draggedTab.style.transform = "" + TDUContext.translator + "(" + translateX + "px)";
//
// // Determine what tab we're dragging over.
// // * Point of reference is the center of the dragged tab. If that
@ -302,12 +271,10 @@
// // * We're doing a binary search in order to reduce the amount of
// // tabs we need to check.
//
// draggedTabs.slice(1).forEach(function(tab) {
// tab.style.transform = draggedTab.style.transform;
// }, this);
// let tabCenter = Math.round(tabScreenX + translateX + tabWidth / units/*2*/);
// let tabLeftCenter = tabCenter;
// let tabRightCenter = Math.round(tabScreenX + translateX + tabsWidth - tabWidth / units);
// TDUContext.tabScreenX = tabScreenX;
// TDUContext.translateX = translateX;
// TDUContext.utils.updateDraggedTabsTransform(TDUContext);
// let tabCenter = Math.round(tabScreenX + translateX + tabWidth / 2);
// let newIndex = -1;
// let oldIndex = "animDropIndex" in draggedTab._dragData ?
// draggedTab._dragData.animDropIndex : draggedTab._tPos;
@ -315,28 +282,30 @@
// let high = tabs.length - 1;
// while (low <= high) {
// let mid = Math.floor((low + high) / 2);
// // if (tabs[mid] == draggedTab &&
// if (false &&
// if (tabs[mid] == draggedTab &&
// ++mid > high)
// break;
// let boxObject = tabs[mid].boxObject;
// let screenX = boxObject[position]/*.screenX*/ + getTabShift(tabs[mid], oldIndex);
// let screenX = boxObject[TDUContext.position]/*.screenX*/ + getTabShift(tabs[mid], oldIndex);
// // if (screenX > tabCenter) {
// if (screenX + tabCenterOffset > tabRightCenter) {
// if (screenX > TDUContext.lastTabCenter) {
// high = mid - 1;
// // } else if (screenX + boxObject.width < tabCenter) {
// } else if (screenX + boxObject[size]/*.width*/ - tabCenterOffset < tabLeftCenter) {
// } else if (screenX + boxObject.width < tabCenter) {
// low = mid + 1;
// } else {
// newIndex = tabs[mid]._tPos;
// TDUContext.tabCenter = tabCenter;
// TDUContext.screenX = screenX;
// TDUContext.utils.updateDontMove(boxObject, TDUContext);
// break;
// }
// }
// if (TDUContext.utils.checkDontMove(TDUContext)) return;
// if (newIndex >= oldIndex)
// newIndex++;
// if (newIndex < 0 || newIndex == oldIndex)
// return;
// tabs = tabs.filter(function(tab) { return draggedTabs.indexOf(tab) < 0 });
// tabs = TDUContext.utils.extractNotDraggedTabs(tabs, TDUContext);
// draggedTab._dragData.animDropIndex = newIndex;
//
// // Shift background tabs to leave a gap where the dragged tab
@ -352,16 +321,65 @@
// function getTabShift(tab, dropIndex) {
// if (tab._tPos < draggedTab._tPos && tab._tPos >= dropIndex)
// // return rtl ? -tabWidth : tabWidth;
// return rtl ? -tabsWidth : tabsWidth;
// return rtl ? -TDUContext.tabsWidth : TDUContext.tabsWidth;
// if (tab._tPos > draggedTab._tPos && tab._tPos < dropIndex)
// // return rtl ? tabWidth : -tabWidth;
// return rtl ? tabsWidth : -tabsWidth;
// return rtl ? TDUContext.tabsWidth : -TDUContext.tabsWidth;
// return 0;
// }
// TDUContext.destroy();
//
// }
}
},
setupContext : function TDU_initTabBrowser(aEvent, aOptions)
{
var context = {};
if (typeof aOptions == 'boolean') aOptions = { canDropOnSelf: aOptions };
context.options = aOptions || {};
context.options.canDropOnSelf = context.options.canDropOnSelf || ('TreeStyleTabService' in window);
context.tabbar = this.getTabbarFromEvent(aEvent);
var isVertical = 'isVertical' in context.options ?
context.options.isVertical :
this.isVertical(context.tabbar) ;
context.position = isVertical ? 'screenY' : 'screenX' ;
context.currentX = aEvent[context.position];
context.size = isVertical ? 'height' : 'width' ;
context.scroll = isVertical ? 'scrollY' : 'scrollX';
context.translator = isVertical ? 'translateY' : 'translateX' ;
context.draggedTabs = this.getDraggedTabs(aEvent);
context.draggedTab = context.draggedTabs[0];
context.tabWidth = context.draggedTab.getBoundingClientRect()[context.size];
context.tabCenterOffset = context.tabWidth / (context.options.canDropOnSelf ? 3 : 2 );
context.utils = this;
context.destroy = function() {
Object.keys(context).forEach(function(key) {
delete context[key];
});
};
return context;
},
setupDraggedTabs : function TDU_setupDraggedTabs(context)
{
context.tabsWidth = 0;
context.draggedTabs.forEach(function(draggedTab) {
let style = window.getComputedStyle(draggedTab, null);
if (style.visibility != 'collapse' && style.display != 'none')
context.tabsWidth += draggedTab.boxObject[context.size];
this.fixDragData(draggedTab._dragData);
if (!('animLastScreenX' in draggedTab._dragData))
draggedTab._dragData.animLastScreenX = draggedTab._dragData[context.position];
}, this);
if (!('previousPosition' in context.draggedTab._dragData))
context.draggedTab._dragData.previousPosition = context.currentX;
},
fixDragData : function TDU_fixDragData(aData)
{
if (!('screenY' in aData))
@ -369,6 +387,56 @@
if (!('scrollY' in aData))
aData.scrollY = aData.scrollX;
},
updateDraggedTabs : function TDU_updateDraggedTabs(context)
{
context.draggedTabs.forEach(function(draggedTab) {
draggedTab._dragData.animLastScreenX = context.currentX;
}, this);
},
updateLeftBound : function TDU_updateLeftBound(leftBound, context)
{
if (context.options.canDropOnSelf)
leftBound -= context.tabCenterOffset;
return leftBound;
},
updateRightBound : function TDU_updateRightBound(rightBound, context)
{
if (context.options.canDropOnSelf)
rightBound += context.tabCenterOffset;
return rightBound;
},
updateDraggedTabsTransform : function TDU_updateDraggedTabsTransform(context)
{
context.draggedTabs.slice(1).forEach(function(tab) {
tab.style.transform = context.draggedTab.style.transform;
}, this);
context.dontMove = false;
context.lastTabCenter = Math.round(context.tabScreenX + context.translateX + context.tabsWidth - context.tabWidth / 2);
},
updateDontMove : function TDU_updateDontMove(boxObject, context)
{
context.dontMove = (
context.options.canDropOnSelf &&
(
(context.draggedTab._dragData.previousPosition > context.currentX &&
context.screenX + context.tabCenterOffset < context.tabCenter) ||
(context.draggedTab._dragData.previousPosition < context.currentX &&
context.screenX + boxObject[context.size] - context.tabCenterOffset > context.lastTabCenter)
)
);
},
checkDontMove : function TDU_checkDontMove(context)
{
context.draggedTab._dragData.previousPosition = context.currentX;
return context.dontMove;
},
extractNotDraggedTabs : function TDU_extractNotDraggedTabs(tabs, context)
{
return tabs.filter(function(tab) {
return context.draggedTabs.indexOf(tab) < 0
});
},
destroyTabDNDObserver : function TDU_destroyTabDNDObserver(aObserver)
{
if (!aObserver)