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Reduce use of eval()

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This commit is contained in:
Piro / YUKI Hiroshi 2016-09-05 23:41:56 +09:00
parent bbdb2eea40
commit bc0c05e1a5
1 changed files with 66 additions and 33 deletions
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99
content/treestyletab/windowHelper.js
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@ -517,43 +517,74 @@ var TreeStyleTabWindowHelper = {
return b.mTabContainer.__treestyletab__advanceSelectedTab.call(this, ...aArgs);
};
TreeStyleTabUtils.doPatching(b.mTabContainer._notifyBackgroundTab, 'b.mTabContainer._notifyBackgroundTab', function(aName, aSource) {
return eval(aName+' = '+aSource.replace(
'{',
'{\n' +
' var treeStyleTab = TreeStyleTabService.getTabBrowserFromChild(this).treeStyleTab;\n' +
' if (treeStyleTab.scrollToNewTabMode == 0 ||\n' +
' treeStyleTab.shouldCancelEnsureElementIsVisible())\n' +
' return;'
).replace(
/\.screenX/g, '[treeStyleTab.screenPositionProp]'
).replace(
/\.width/g, '[treeStyleTab.sizeProp]'
).replace(
/\.left/g, '[treeStyleTab.startProp]'
).replace(
/\.right/g, '[treeStyleTab.endProp]'
if (!b.tabContainer.__treestyletab__notifyBackgroundTab) {
// original: https://dxr.mozilla.org/mozilla-central/rev/dbe4b47941c7b3d6298a0ead5e40dd828096c808/browser/base/content/tabbrowser.xml#5459
b.tabContainer.__treestyletab__notifyBackgroundTab = b.tabContainer._notifyBackgroundTab;
b.tabContainer._notifyBackgroundTab = function(aTab, ...aArgs) {
var treeStyleTab = gBrowser.treeStyleTab;
if (aTab.pinned ||
treeStyleTab.scrollToNewTabMode == 0 ||
treeStyleTab.shouldCancelEnsureElementIsVisible())
return;
// replace such codes:
// tab = {left: tab.left, right: tab.right};
).replace(
/left\s*:/g, 'start:'
).replace(
/right\s*:/g, 'end:'
).replace(
/((tab|selected)\s*=\s*\{\s*start:[^\}]+\})/g,
'$1; $2[treeStyleTab.startProp] = $2.start; $2[treeStyleTab.endProp] = $2.end;'
let scrollRect = this.mTabstrip.scrollClientRect;
let tabRect = aTab.getBoundingClientRect();
this.mTabstrip._calcTabMargins(aTab);
).replace(
'!selected ||',
'$& treeStyleTab.scrollToNewTabMode == 1 && '
).replace(
/(\}\)?)$/,
'treeStyleTab.notifyBackgroundTab(); $1'
));
}, 'TreeStyleTabService.getTabBrowserFromChild');
tabRect = {
start : tabRect[treeStyleTab.startProp],
end : tabRect[treeStyleTab.endProp]
};
tabRect[treeStyleTab.startProp] = tabRect.start;
tabRect[treeStyleTab.endProp] = tabRect.end;
if (tabRect[treeStyleTab.startProp] >= scrollRect[treeStyleTab.startProp] ||
tabRect[treeStyleTab.endProp] <= scrollRect[treeStyleTab.endProp])
return;
if (this.mTabstrip.smoothScroll) {
let selectedRect = !this.selectedItem.pinned && this.selectedItem.getBoundingClientRect();
if (selectedRect) {
selectedRect = {
start : selectedRect[treeStyleTab.startProp],
end : selectedRect[treeStyleTab.endProp]
};
selectedRect[treeStyleTab.startProp] = selectedRect.start + this.mTabstrip._tabMarginLeft;
selectedRect[treeStyleTab.endProp] = selectedRect.end - this.mTabstrip._tabMarginRight;
}
tabRect[treeStyleTab.startProp] += this.mTabstrip._tabMarginLeft;
tabRect[treeStyleTab.endProp] -= this.mTabstrip._tabMarginRight;
if (!selectedRect ||
treeStyleTab.scrollToNewTabMode == 1 &&
Math.max(
tabRect[treeStyleTab.endProp] - selectedRect[treeStyleTab.startProp],
selectedRect[treeStyleTab.endProp] - tabRect[treeStyleTab.startProp]
) <= scrollRect[treeStyleTab.sizeProp]) {
this.mTabstrip.ensureElementIsVisible(aTab);
return;
}
this.mTabstrip._smoothScrollByPixels(
this.mTabstrip._isRTLScrollbox ?
selectedRect[treeStyleTab.endProp] - scrollRect[treeStyleTab.endProp] :
selectedRect[treeStyleTab.startProp] - scrollRect[treeStyleTab.startProp]
);
}
if (!this._animateElement.hasAttribute('notifybgtab')) {
this._animateElement.setAttribute('notifybgtab', 'true');
setTimeout(function(aAnimateElement) {
aAnimateElement.removeAttribute('notifybgtab');
}, 150, this._animateElement);
}
treeStyleTab.notifyBackgroundTab();
};
}
if (!b.tabContainer.__treestyletab__getDragTargetTab) {
// original: https://dxr.mozilla.org/mozilla-central/rev/dbe4b47941c7b3d6298a0ead5e40dd828096c808/browser/base/content/tabbrowser.xml#5511
b.tabContainer.__treestyletab__getDragTargetTab = b.tabContainer._getDragTargetTab;
b.tabContainer._getDragTargetTab = function(aEvent, aIsLink, ...aArgs) {
var treeStyleTab = gBrowser.treeStyleTab;
@ -575,6 +606,7 @@ var TreeStyleTabWindowHelper = {
}
if (!b.tabContainer.__treestyletab__getDropIndex) {
// original: https://dxr.mozilla.org/mozilla-central/rev/dbe4b47941c7b3d6298a0ead5e40dd828096c808/browser/base/content/tabbrowser.xml#5526
b.tabContainer.__treestyletab__getDropIndex = b.tabContainer._getDropIndex;
b.tabContainer._getDropIndex = function(aEvent, aIsLink, ...aArgs) {
var treeStyleTab = gBrowser.treeStyleTab;
@ -624,6 +656,7 @@ var TreeStyleTabWindowHelper = {
{
let popup = document.getElementById('alltabs-popup');
if (!popup.__treestyletab__updateTabsVisibilityStatus) {
// original https://dxr.mozilla.org/mozilla-central/rev/dbe4b47941c7b3d6298a0ead5e40dd828096c808/browser/base/content/tabbrowser.xml#6588
popup.__treestyletab__updateTabsVisibilityStatus = popup._updateTabsVisibilityStatus;
popup._updateTabsVisibilityStatus = function(...aArgs) {
var treeStyleTab = gBrowser.treeStyleTab;