webkit/plugins/npapi/test/plugin_npobject_identity_test.cc

   1 // Copyright (c) 2011 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 "base/basictypes.h"
   6 #include "base/compiler_specific.h"
   7
   8 #include "webkit/plugins/npapi/test/plugin_npobject_identity_test.h"
   9
  10 namespace {
  11
  12 class NPThingy : public NPObject {
  13  public:
  14   NPThingy() : NPObject() {}
  15
  16   static NPObject* Allocate(NPP npp, NPClass* npclass) {
  17     return new NPThingy();
  18   }
  19
  20   static void Deallocate(NPObject* npobject) {
  21     delete static_cast<NPThingy*>(npobject);
  22   }
  23 };
  24
  25 NPClass* GetNPThingyClass() {
  26   static NPClass plugin_class = {
  27     NP_CLASS_STRUCT_VERSION,
  28     NPThingy::Allocate,
  29     NPThingy::Deallocate,
  30     NULL, // Invalidate
  31     NULL, // HasMethod
  32     NULL, // Invoke
  33     NULL, // InvokeDefault
  34     NULL, // HasProperty
  35     NULL, // GetProperty
  36     NULL, // SetProperty
  37     NULL, // RemoveProperty
  38   };
  39   return &plugin_class;
  40 }
  41
  42
  43 }  // namespace
  44
  45 namespace NPAPIClient {
  46
  47 NPObjectIdentityTest::NPObjectIdentityTest(NPP id,
  48                                            NPNetscapeFuncs *host_functions)
  49     : PluginTest(id, host_functions) {
  50 }
  51
  52 NPError NPObjectIdentityTest::SetWindow(NPWindow* pNPWindow) {
  53   if (pNPWindow->window == NULL)
  54     return NPERR_NO_ERROR;
  55
  56   NPIdentifier are_these_the_same_id = HostFunctions()->getstringidentifier(
  57       "areTheseTheSame");
  58
  59   // Get a function from window.areTheseTheSame.
  60   NPObject* window;
  61   HostFunctions()->getvalue(id(), NPNVWindowNPObject, &window);
  62   NPVariant func_var;
  63   HostFunctions()->getproperty(id(), window, are_these_the_same_id, &func_var);
  64   NPObject* func = NPVARIANT_TO_OBJECT(func_var);
  65
  66   // Create a custom NPObject and pass it in both arguments to areTheseTheSame.
  67   NPObject* thingy = HostFunctions()->createobject(id(), GetNPThingyClass());
  68   NPVariant func_args[2];
  69   OBJECT_TO_NPVARIANT(thingy, func_args[0]);
  70   OBJECT_TO_NPVARIANT(thingy, func_args[1]);
  71   NPVariant were_the_same_var;
  72   HostFunctions()->invokeDefault(id(), func, (const NPVariant*)&func_args, 2,
  73                                  &were_the_same_var);
  74
  75   // Confirm that JavaScript could see that the objects were the same.
  76   bool were_the_same = NPVARIANT_TO_BOOLEAN(were_the_same_var);
  77   if (!were_the_same)
  78     SetError("Identity was lost in passing from NPAPI into JavaScript.");
  79
  80   HostFunctions()->releaseobject(thingy);
  81
  82   // If this test failed, then we'd have crashed by now.
  83   SignalTestCompleted();
  84
  85   return NPERR_NO_ERROR;
  86 }
  87
  88 } // namespace NPAPIClient