content/test/plugin/plugin_get_javascript_url_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 "content/test/plugin/plugin_get_javascript_url_test.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/logging.h"
   9
  10 // url for "self".
  11 #define SELF_URL "javascript:window.location+\"\""
  12 // The identifier for the self url stream.
  13 #define SELF_URL_STREAM_ID 1
  14
  15 // The maximum chunk size of stream data.
  16 #define STREAM_CHUNK 197
  17
  18 #if defined(OS_WIN)
  19 const int kNPNEvaluateTimerID = 100;
  20 const int kNPNEvaluateTimerElapse = 50;
  21 #endif
  22
  23 namespace NPAPIClient {
  24
  25 ExecuteGetJavascriptUrlTest::ExecuteGetJavascriptUrlTest(
  26     NPP id, NPNetscapeFuncs *host_functions)
  27   : PluginTest(id, host_functions),
  28     test_started_(false),
  29 #if defined(OS_WIN)
  30     window_(NULL),
  31 #endif
  32     npn_evaluate_context_(false) {
  33 }
  34
  35 NPError ExecuteGetJavascriptUrlTest::SetWindow(NPWindow* pNPWindow) {
  36 #if !defined(OS_MACOSX)
  37   if (pNPWindow->window == NULL)
  38     return NPERR_NO_ERROR;
  39 #endif
  40
  41   if (!test_started_) {
  42     std::string url = SELF_URL;
  43     HostFunctions()->geturlnotify(id(), url.c_str(), "_top",
  44                                   reinterpret_cast<void*>(SELF_URL_STREAM_ID));
  45     test_started_ = true;
  46
  47 #if defined(OS_WIN)
  48     HWND window_handle = reinterpret_cast<HWND>(pNPWindow->window);
  49     if (!::GetProp(window_handle, L"Plugin_Instance")) {
  50       // TODO: this propery leaks.
  51       ::SetProp(window_handle, L"Plugin_Instance", this);
  52       // We attempt to retreive the NPObject for the plugin instance identified
  53       // by the NPObjectLifetimeTestInstance2 class as it may not have been
  54       // instantiated yet.
  55       SetTimer(window_handle, kNPNEvaluateTimerID, kNPNEvaluateTimerElapse,
  56                TimerProc);
  57     }
  58     window_ = window_handle;
  59 #endif
  60   }
  61
  62   return NPERR_NO_ERROR;
  63 }
  64
  65 #if defined(OS_WIN)
  66 void CALLBACK ExecuteGetJavascriptUrlTest::TimerProc(
  67     HWND window, UINT message, UINT_PTR timer_id, DWORD elapsed_time) {
  68   ExecuteGetJavascriptUrlTest* this_instance =
  69       reinterpret_cast<ExecuteGetJavascriptUrlTest*>
  70           (::GetProp(window, L"Plugin_Instance"));
  71   CHECK(this_instance);
  72
  73   ::RemoveProp(window, L"Plugin_Instance");
  74
  75   NPObject *window_obj = NULL;
  76   this_instance->HostFunctions()->getvalue(this_instance->id(),
  77                                            NPNVWindowNPObject,
  78                                            &window_obj);
  79   if (!window_obj) {
  80     this_instance->SetError("Failed to get NPObject for plugin instance2");
  81     this_instance->SignalTestCompleted();
  82     return;
  83   }
  84
  85   std::string script = "javascript:window.location";
  86   NPString script_string;
  87   script_string.UTF8Characters = script.c_str();
  88   script_string.UTF8Length = static_cast<unsigned int>(script.length());
  89   NPVariant result_var;
  90
  91   this_instance->npn_evaluate_context_ = true;
  92   this_instance->HostFunctions()->evaluate(
  93       this_instance->id(), window_obj, &script_string, &result_var);
  94   this_instance->npn_evaluate_context_ = false;
  95 }
  96 #endif
  97
  98 NPError ExecuteGetJavascriptUrlTest::NewStream(NPMIMEType type,
  99                                                NPStream* stream,
 100                                                NPBool seekable,
 101                                                uint16* stype) {
 102   if (stream == NULL) {
 103     SetError("NewStream got null stream");
 104     return NPERR_INVALID_PARAM;
 105   }
 106
 107   if (npn_evaluate_context_) {
 108     SetError("NewStream received in context of NPN_Evaluate");
 109     return NPERR_NO_ERROR;
 110   }
 111
 112   static_assert(sizeof(unsigned long) <= sizeof(stream->notifyData),
 113                 "cast validity check");
 114   unsigned long stream_id = reinterpret_cast<unsigned long>(stream->notifyData);
 115   switch (stream_id) {
 116     case SELF_URL_STREAM_ID:
 117       break;
 118     default:
 119       SetError("Unexpected NewStream callback");
 120       break;
 121   }
 122   return NPERR_NO_ERROR;
 123 }
 124
 125 int32 ExecuteGetJavascriptUrlTest::WriteReady(NPStream *stream) {
 126   if (npn_evaluate_context_) {
 127     SetError("WriteReady received in context of NPN_Evaluate");
 128     return NPERR_NO_ERROR;
 129   }
 130   return STREAM_CHUNK;
 131 }
 132
 133 int32 ExecuteGetJavascriptUrlTest::Write(NPStream *stream, int32 offset,
 134                                          int32 len, void *buffer) {
 135   if (stream == NULL) {
 136     SetError("Write got null stream");
 137     return -1;
 138   }
 139   if (len < 0 || len > STREAM_CHUNK) {
 140     SetError("Write got bogus stream chunk size");
 141     return -1;
 142   }
 143
 144   if (npn_evaluate_context_) {
 145     SetError("Write received in context of NPN_Evaluate");
 146     return len;
 147   }
 148
 149   static_assert(sizeof(unsigned long) <= sizeof(stream->notifyData),
 150                 "cast validity check");
 151   unsigned long stream_id = reinterpret_cast<unsigned long>(stream->notifyData);
 152   switch (stream_id) {
 153     case SELF_URL_STREAM_ID:
 154       self_url_.append(static_cast<char*>(buffer), len);
 155       break;
 156     default:
 157       SetError("Unexpected write callback");
 158       break;
 159   }
 160   // Pretend that we took all the data.
 161   return len;
 162 }
 163
 164
 165 NPError ExecuteGetJavascriptUrlTest::DestroyStream(NPStream *stream,
 166                                                    NPError reason) {
 167   if (stream == NULL) {
 168     SetError("NewStream got null stream");
 169     return NPERR_INVALID_PARAM;
 170   }
 171
 172 #if defined(OS_WIN)
 173   KillTimer(window_, kNPNEvaluateTimerID);
 174 #endif
 175
 176   if (npn_evaluate_context_) {
 177     SetError("DestroyStream received in context of NPN_Evaluate");
 178     return NPERR_NO_ERROR;
 179   }
 180
 181   static_assert(sizeof(unsigned long) <= sizeof(stream->notifyData),
 182                 "cast validity check");
 183   unsigned long stream_id = reinterpret_cast<unsigned long>(stream->notifyData);
 184   switch (stream_id) {
 185     case SELF_URL_STREAM_ID:
 186       // don't care
 187       break;
 188     default:
 189       SetError("Unexpected NewStream callback");
 190       break;
 191   }
 192   return NPERR_NO_ERROR;
 193 }
 194
 195 void ExecuteGetJavascriptUrlTest::URLNotify(const char* url, NPReason reason,
 196                                             void* data) {
 197   static_assert(sizeof(unsigned long) <= sizeof(data),
 198                 "cast validity check");
 199
 200   if (npn_evaluate_context_) {
 201     SetError("URLNotify received in context of NPN_Evaluate");
 202     return;
 203   }
 204
 205   unsigned long stream_id = reinterpret_cast<unsigned long>(data);
 206   switch (stream_id) {
 207     case SELF_URL_STREAM_ID:
 208       if (strcmp(url, SELF_URL) != 0)
 209         SetError("URLNotify reported incorrect url for SELF_URL");
 210       if (self_url_.empty())
 211         SetError("Failed to obtain window location.");
 212       SignalTestCompleted();
 213       break;
 214     default:
 215       SetError("Unexpected NewStream callback");
 216       break;
 217   }
 218 }
 219
 220 } // namespace NPAPIClient