libcore/asobj/Mouse_as.cpp

   1 // Mouse.cpp:  ActionScript "Mouse" input device class, for Gnash.
   2 //
   3 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010,
   4 //   2011 Free Software Foundation, Inc
   5 //
   6 // This program is free software; you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation; either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software
  18 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 //
  20
  21 #include "namedStrings.h"
  22 #include "Mouse_as.h"
  23 #include "as_object.h" // for inheritance
  24 #include "log.h"
  25 #include "fn_call.h"
  26 #include "Global_as.h"
  27 #include "smart_ptr.h" // for boost intrusive_ptr
  28 #include "NativeFunction.h"
  29 #include "VM.h" // for registerNative
  30 #include "AsBroadcaster.h" // for initializing self as a broadcaster
  31 #include "movie_root.h" // for GUI callback
  32
  33 namespace gnash {
  34
  35 // Forward declarations
  36 namespace {
  37     as_value mouse_hide(const fn_call& fn);
  38     as_value mouse_show(const fn_call& fn);
  39
  40     void attachMouseInterface(as_object& o);
  41 }
  42
  43 /// Mouse isn't a proper class in AS
  44 //
  45 /// Gnash's Mouse_as just has static methods.
  46 void
  47 Mouse_as::registerNative(as_object& o)
  48 {
  49     VM& vm = getVM(o);
  50
  51     vm.registerNative(mouse_show, 5, 0);
  52     vm.registerNative(mouse_hide, 5, 1);
  53 }
  54
  55
  56 // extern (used by Global.cpp)
  57 void
  58 mouse_class_init(as_object& where, const ObjectURI& uri)
  59 {
  60     registerBuiltinObject(where, attachMouseInterface, uri);
  61 }
  62
  63
  64 namespace {
  65
  66 void
  67 attachMouseInterface(as_object& o)
  68 {
  69     VM& vm = getVM(o);
  70
  71     const int flags = PropFlags::dontEnum |
  72                       PropFlags::dontDelete |
  73                       PropFlags::readOnly;
  74
  75     o.init_member("show", vm.getNative(5, 0), flags);
  76     o.init_member("hide", vm.getNative(5, 1), flags);
  77
  78     // Mouse is always initialized as an AsBroadcaster, even for
  79     // SWF5.
  80     AsBroadcaster::initialize(o);
  81
  82     Global_as& gl = getGlobal(o);
  83     as_object* null = 0;
  84     callMethod(&gl, NSV::PROP_AS_SET_PROP_FLAGS, &o, null, 7);
  85 }
  86
  87 /// Returns whether the mouse was visible before the call.
  88 //
  89 /// The return is not a boolean, but rather 1 or 0.
  90 as_value
  91 mouse_hide(const fn_call& fn)
  92 {
  93     movie_root& m = getRoot(fn);
  94     const int success =
  95         m.callInterface<bool>(HostMessage(HostMessage::SHOW_MOUSE, false));
  96
  97     // returns 1 if mouse was visible before call.
  98     return as_value(success);
  99 }
 100
 101 /// Returns whether the mouse was visible before the call.
 102 //
 103 /// The return is not a boolean, but rather 1 or 0.
 104 as_value
 105 mouse_show(const fn_call& fn)
 106 {
 107     movie_root& m = getRoot(fn);
 108     const int success =
 109         m.callInterface<bool>(HostMessage(HostMessage::SHOW_MOUSE, true));
 110
 111     // returns 1 if Mouse was visible before call.
 112     return as_value(success);
 113 }
 114
 115 } // anonymous namespace
 116 } // end of gnash namespace