Bug 107433 - Make it possible to turn off click-and-hold contextual menu access. r=pedemonte, sr=neil.

content/events/src/nsEventStateManager.cpp

@@ -1389,7 +1389,8 @@ nsEventStateManager::BeginTrackingDragGesture(nsPresContext* aPresContext,
 
 #ifdef CLICK_HOLD_CONTEXT_MENUS
   // fire off a timer to track click-hold
-  CreateClickHoldTimer ( aPresContext, inDownFrame, inDownEvent );
+  if (nsContentUtils::GetBoolPref("ui.click_hold_context_menus", PR_TRUE))
+    CreateClickHoldTimer ( aPresContext, inDownFrame, inDownEvent );
 #endif
 }
 

modules/libpref/src/init/all.js

@@ -1347,6 +1347,7 @@ pref("intl.keyboard.per_window_layout", false);
 // Mac specific preference defaults
 pref("browser.drag_out_of_frame_style", 1);
 pref("ui.key.saveLink.shift", false); // true = shift, false = meta
+pref("ui.click_hold_context_menus", true);
 
 // default font name (in UTF8)