From b120a9a5b2c0145b0a231164f46aef8c97a6cbf2 Mon Sep 17 00:00:00 2001
From: piro <piro@599a83e7-65a4-db11-8015-0010dcdd6dc2>
Date: Fri, 10 Sep 2010 02:17:00 +0000
Subject: [PATCH] =?UTF-8?q?Minefield=E3=81=A7=E3=81=AF=E3=81=86=E3=81=9D?=
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Content-Transfer-Encoding: 8bit

git-svn-id: http://www.cozmixng.org/repos/piro/treestyletab/trunk@7168 599a83e7-65a4-db11-8015-0010dcdd6dc2
---
 .../treestyletabbrowser_autoHide.js           | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/content/treestyletab/treestyletabbrowser_autoHide.js b/content/treestyletab/treestyletabbrowser_autoHide.js
index 93343f5f..81295ccf 100644
--- a/content/treestyletab/treestyletabbrowser_autoHide.js
+++ b/content/treestyletab/treestyletabbrowser_autoHide.js
@@ -30,6 +30,8 @@ TreeStyleTabBrowserAutoHide.prototype = {
 	kTRANSPARENT_FULL  : 2,
 	kTRANSPARENT_STYLE : ['none', 'part', 'full'],
  
+	emulatedTransparency : TreeStyleTabService.Comparator.compare(TreeStyleTabService.XULAppInfo.version, '4.0b5') < 0, 
+ 
 	get mode() /* PUBLIC API */ 
 	{
 		var mode = this.mOwner.browser.getAttribute(this.kMODE);
@@ -597,6 +599,9 @@ TreeStyleTabBrowserAutoHide.prototype = {
   
 	redrawContentArea : function TSTAutoHide_redrawContentArea() 
 	{
+		if (!this.emulatedTransparency)
+			return;
+
 		var sv  = this.mOwner;
 		var pos = sv.currentTabbarPosition;
 		try {
@@ -634,6 +639,9 @@ TreeStyleTabBrowserAutoHide.prototype = {
 	},
 	redrawContentAreaWithDelay : function TSTAutoHide_redrawContentAreaWithDelay()
 	{
+		if (!this.emulatedTransparency)
+			return;
+
 		window.setTimeout(function(aSelf) {
 			aSelf.redrawContentArea();
 		}, 0, this);
@@ -641,6 +649,9 @@ TreeStyleTabBrowserAutoHide.prototype = {
  
 	resetContentAreas : function TSTAutoHide_resetContentAreas()
 	{
+		if (!this.emulatedTransparency)
+			return;
+
 		this.mOwner.getTabsArray(this.mOwner.browser).forEach(function(aTab) {
 			try {
 				aTab.linkedBrowser.markupDocumentViewer.move(0, 0);
@@ -652,11 +663,14 @@ TreeStyleTabBrowserAutoHide.prototype = {
  
 	get shouldRedraw() 
 	{
-		return this.enabled && this.expanded;
+		return this.emulatedTransparency && this.enabled && this.expanded;
 	},
  
 	drawBG : function TSTAutoHide_drawBG() 
 	{
+		if (!this.emulatedTransparency)
+			return;
+
 		var sv = this.mOwner;
 
 		if (!this.tabbarCanvas || this.isResizing) return;
@@ -811,7 +825,8 @@ TreeStyleTabBrowserAutoHide.prototype = {
   
 	clearBG : function TSTAutoHide_clearBG() 
 	{
-		if (!this.tabbarCanvas) return;
+		if (!this.emulatedTransparency || !this.tabbarCanvas)
+			return;
 
 		this.tabbarCanvas.style.display = 'none';
 		this.tabbarCanvas.style.margin = 0;