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      1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "ui/views/views_switches.h"
      6 
      7 #include "base/command_line.h"
      8 
      9 namespace views {
     10 namespace switches {
     11 
     12 // Please keep alphabetized.
     13 
     14 // Specifies if a heuristic should be used to determine the most probable
     15 // target of a gesture, where the touch region is represented by a rectangle.
     16 const char kDisableViewsRectBasedTargeting[] =
     17     "disable-views-rect-based-targeting";
     18 
     19 #if defined(USE_X11) && !defined(OS_CHROMEOS)
     20 // When enabled, tries to get a transparent X11 visual so that we can have
     21 // per-pixel alpha in windows.
     22 //
     23 // TODO(erg): Remove this switch once we've stabilized the code
     24 // path. http://crbug.com/369209
     25 const char kEnableTransparentVisuals[] = "enable-transparent-visuals";
     26 #endif
     27 
     28 bool IsRectBasedTargetingEnabled() {
     29 #if defined(OS_CHROMEOS) || defined(OS_WIN) || defined(OS_LINUX)
     30   return !CommandLine::ForCurrentProcess()->
     31       HasSwitch(kDisableViewsRectBasedTargeting);
     32 #else
     33   return false;
     34 #endif
     35 }
     36 
     37 }  // namespace switches
     38 }  // namespace views
     39