Bug 198964 - Enable smooth scrolling by default. r=gavin

browser/app/profile/firefox.js

@@ -237,7 +237,7 @@ pref("keyword.URL", "");
 pref("general.useragent.locale", "@AB_CD@");
 pref("general.skins.selectedSkin", "classic/1.0");
 
-pref("general.smoothScroll", false);
+pref("general.smoothScroll", true);
 #ifdef UNIX_BUT_NOT_MAC
 pref("general.autoScroll", false);
 #else

content/events/test/test_bug350471.xul

@@ -22,8 +22,6 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=350471
 
 /** Test for Bug 350471 **/
 
-// This test depends on general.smoothScroll being off.
-
 const minLineHeight = 10, maxLineHeight = 20;
 
 function between(x, min, max) (min <= max) ? (min <= x && x <= max) : (max <= x && x <= min);
@@ -228,6 +226,7 @@ function initPrefs()
   // Disables the app level scroll acceleration
   prefSvc.setIntPref("mousewheel.acceleration.start", -1);
   prefSvc.setBoolPref("mousewheel.system_scroll_override_on_root_content.enabled", false);
+  prefSvc.setBoolPref("general.smoothScroll", false);
 }
 
 function clearPrefs()
@@ -236,10 +235,9 @@ function clearPrefs()
   var prefSvc = Components.classes["@mozilla.org/preferences-service;1"].
                   getService(Components.interfaces.nsIPrefBranch2);
 
-  if (prefSvc.prefHasUserValue("mousewheel.acceleration.start"))
   prefSvc.clearUserPref("mousewheel.acceleration.start");
-  if (prefSvc.prefHasUserValue("mousewheel.system_scroll_override_on_root_content.enabled"))
   prefSvc.clearUserPref("mousewheel.system_scroll_override_on_root_content.enabled");
+  prefSvc.clearUserPref("general.smoothScroll");
 }
 
 window.onload = function () {

content/events/test/test_bug574663.html

@@ -20,8 +20,6 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=574663
 
 /** Test for Bug 574663 **/
 
-// This test depends on general.smoothScroll being off.
-
 function sendTouchpadScrollMotion(scrollbox, direction, ctrl, momentum) {
   var win = scrollbox.ownerDocument.defaultView;
   let event = {
@@ -107,6 +105,7 @@ function initPrefs()
   netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   var prefSvc = Components.classes["@mozilla.org/preferences-service;1"].
                   getService(Components.interfaces.nsIPrefBranch2);
+  prefSvc.setBoolPref("general.smoothScroll", false);
   // Disables the app level scroll acceleration
   prefSvc.setIntPref("mousewheel.acceleration.start", -1);
   prefSvc.setBoolPref("mousewheel.system_scroll_override_on_root_content.enabled", false);
@@ -120,11 +119,9 @@ function clearPrefs()
   var prefSvc = Components.classes["@mozilla.org/preferences-service;1"].
                   getService(Components.interfaces.nsIPrefBranch2);
 
-  if (prefSvc.prefHasUserValue("mousewheel.acceleration.start"))
+  prefSvc.clearUserPref("general.smoothScroll");
   prefSvc.clearUserPref("mousewheel.acceleration.start");
-  if (prefSvc.prefHasUserValue("mousewheel.system_scroll_override_on_root_content.enabled"))
   prefSvc.clearUserPref("mousewheel.system_scroll_override_on_root_content.enabled");
-  if (prefSvc.prefHasUserValue("mousewheel.withcontrolkey.action"))
   prefSvc.clearUserPref("mousewheel.withcontrolkey.action");
 }
 

docshell/test/navigation/test_bug430723.html

@@ -43,7 +43,9 @@ window.onload = runTest;
 var testWindow;
 var testNum = 0;
 
+var smoothScrollPref = "general.smoothScroll";
 function runTest() {
+  SpecialPowers.setBoolPref(smoothScrollPref, false);
   testWindow = window.open(gTallRedBoxURI, "testWindow", "width=300,height=300,location=yes,scrollbars=yes");
 }
 
@@ -122,6 +124,7 @@ var step3 =function() {
           "Page2Again: Ensure we can still scroll.");  
 
     testWindow.close();
+    SpecialPowers.clearUserPref(smoothScrollPref);
     window.SimpleTest.finish();
   }, true);
   sendKey('DOWN', testWindow);

editor/libeditor/base/tests/test_selection_move_commands.xul

@@ -9,6 +9,10 @@
 <script class="testbody" type="application/javascript">
 <![CDATA[
 
+var prefs = Components.classes["@mozilla.org/preferences-service;1"]
+                      .getService(Components.interfaces.nsIPrefBranch);
+prefs.setBoolPref("general.smoothScroll", false);
+
 function runTest() {
   var tests = execTests();
   function execNext() {
@@ -182,16 +186,14 @@ function execTests() {
     is(testPageSelectCommand("cmd_selectPageUp", 0), 22 - lineNum, "cmd_selectPageUp");
   }
 
-  var prefs = Components.classes["@mozilla.org/preferences-service;1"]
-                          .getService(Components.interfaces.nsIPrefBranch);
-  var origPrefValue = prefs.getBoolPref("layout.word_select.eat_space_to_next_word");
   try {
     prefs.setBoolPref("layout.word_select.eat_space_to_next_word", false);
     runSelectionTests(body, 1);
     prefs.setBoolPref("layout.word_select.eat_space_to_next_word", true);
     runSelectionTests(node(2), 0);
   } finally {
-    prefs.setBoolPref("layout.word_select.eat_space_to_next_word", origPrefValue);
+    prefs.clearUserPref("general.smoothScroll");
+    prefs.clearUserPref("layout.word_select.eat_space_to_next_word");
   }
 
   SimpleTest.finish();

editor/libeditor/html/tests/test_bug549262.html

@@ -19,6 +19,8 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=549262
 
 /** Test for Bug 549262 **/
 
+var smoothScrollPref = "general.smoothScroll";
+SpecialPowers.setBoolPref(smoothScrollPref, false);
 SimpleTest.waitForExplicitFinish();
 var win = window.open("file_bug549262.html", "_blank", 
                       "width=600,height=600,scrollbars=yes");
@@ -90,6 +92,7 @@ SimpleTest.waitForFocus(function() {
                       is(win.getSelection().focusOffset, ed.textContent.length, "Selection should be moved to the end");
 
                       win.close();
+                      SpecialPowers.clearUserPref(smoothScrollPref);
                       SimpleTest.finish();
                     }, 0);
                   }, 0);

editor/libeditor/html/tests/test_bug620906.html

@@ -34,11 +34,13 @@ addLoadEvent(function() {
   is(iframe.contentWindow.scrollY, 0, "Sanity check");
   var rect = iframe.getBoundingClientRect();
   setTimeout(function() {
-    synthesizeMouse(iframe, rect.width - 5, rect.height / 2, {});
-    setTimeout(function() {
+    var onscroll = function () {
+      iframe.contentWindow.removeEventListener("scroll", onscroll, false);
       isnot(iframe.contentWindow.scrollY, 0, "The scrollbar should work");
       SimpleTest.finish();
-    }, 0);
+    }
+    iframe.contentWindow.addEventListener("scroll", onscroll, false);
+    synthesizeMouse(iframe, rect.width - 5, rect.height / 2, {});
   }, 0);
 });
 

layout/generic/test/test_bug633762.html

@@ -42,9 +42,12 @@ function runTests() {
 function finish() {
   // assert that scroll top is now less than before
   ok(scrollTopBefore > doc.body.scrollTop, "pressing up arrow should scroll up");
+  SpecialPowers.clearUserPref(smoothScrollPref);
   SimpleTest.finish();
 }
 
+var smoothScrollPref = "general.smoothScroll";
+SpecialPowers.setBoolPref(smoothScrollPref, false);
 SimpleTest.waitForExplicitFinish();
 SimpleTest.waitForFocus(runTests);
 </script>

toolkit/content/tests/chrome/test_mousescroll.xul

@@ -73,6 +73,8 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=378028
 
 /** Test for Bug 378028 **/
 /*   and for Bug 350471 **/
+var smoothScrollPref = "general.smoothScroll";
+SpecialPowers.setBoolPref(smoothScrollPref, false);
 SimpleTest.waitForExplicitFinish();
 
 /* There are three kinds of scroll events:
@@ -230,6 +232,7 @@ function runTests()
     testListbox("listbox");
     testArrowScrollbox("hscrollbox");
     testArrowScrollbox("vscrollbox");
+    SpecialPowers.clearUserPref(smoothScrollPref);
     SimpleTest.finish();
   });
 }

widget/tests/window_bug478536.xul

@@ -78,9 +78,12 @@ var gIgnoreScrollEvent = true;
 
 var gPrefSvc = Components.classes["@mozilla.org/preferences-service;1"].
                getService(Components.interfaces.nsIPrefBranch2);
+const kPrefSmoothScroll = "general.smoothScroll";
 const kPrefNameTimeout = "mousewheel.transaction.timeout";
 const kDefaultTimeout = gPrefSvc.getIntPref(kPrefNameTimeout);
 
+gPrefSvc.setBoolPref(kPrefSmoothScroll, false);
+
 var gTimeout = kDefaultTimeout;
 
 gBody.addEventListener("MozMouseScrollFailed", onMouseScrollFailed, false);
@@ -117,6 +120,7 @@ function onunload()
 {
   resetTimeoutPrefs();
   disableNonTestMouseEvents(false);
+  gPrefSvc.clearUserPref(kPrefSmoothScroll);
   window.opener.wrappedJSObject.SimpleTest.finish();
 }
 

widget/tests/window_wheeltransaction.xul

@@ -110,11 +110,14 @@ var gTimer;
 
 var gPrefSvc = Components.classes["@mozilla.org/preferences-service;1"].
                getService(Components.interfaces.nsIPrefBranch2);
+const kPrefSmoothScroll = "general.smoothScroll";
 const kPrefNameTimeout = "mousewheel.transaction.timeout";
 const kPrefNameIgnoreMoveDelay = "mousewheel.transaction.ignoremovedelay";
 
 const kDefaultTimeout = gPrefSvc.getIntPref(kPrefNameTimeout);
-const kDefaultIgnoreMoveDelay = gPrefSvc.getIntPref(kPrefNameIgnoreMoveDelay)
+const kDefaultIgnoreMoveDelay = gPrefSvc.getIntPref(kPrefNameIgnoreMoveDelay);
+
+gPrefSvc.setBoolPref(kPrefSmoothScroll, false);
 
 var gTimeout, gIgnoreMoveDelay;
 var gEnoughForTimeout, gEnoughForIgnoreMoveDelay;
@@ -171,6 +174,7 @@ function onload()
 function onunload()
 {
   resetTimeoutPrefs();
+  gPrefSvc.clearUserPref(kPrefSmoothScroll);
   disableNonTestMouseEvents(false);
   window.opener.wrappedJSObject.SimpleTest.finish();
 }