tests/npapi_bridge/npp_gate.cc

   1 /*
   2  * Copyright 2008, Google Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
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   8  *
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  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <new>
  36 #include "native_client/tests/npapi_bridge/plugin.h"
  37
  38 // Please refer to the Gecko Plugin API Reference for the description of
  39 // NPP_New.
  40 // In the NaCl module, NPP_New is called from NaClNP_MainLoop().
  41 NPError NPP_New(NPMIMEType mime_type, NPP instance, uint16_t mode,
  42                 int16_t argc, char* argn[], char* argv[],
  43                 NPSavedData* saved) {
  44   printf("NPP_New\n");
  45
  46   if (instance == NULL) {
  47     return NPERR_INVALID_INSTANCE_ERROR;
  48   }
  49
  50   const char* canvas = "tutorial";
  51   for (uint16_t i = 0; i < argc; ++i) {
  52     printf("%u: '%s' '%s'\n", i, argn[i], argv[i]);
  53     if (strcmp(argn[i], "canvas") == 0) {
  54       canvas = argv[i];
  55     }
  56   }
  57
  58   Plugin* plugin = new(std::nothrow) Plugin(instance, canvas);
  59   if (plugin == NULL) {
  60     return NPERR_OUT_OF_MEMORY_ERROR;
  61   }
  62
  63   instance->pdata = plugin;
  64   return NPERR_NO_ERROR;
  65 }
  66
  67 // Please refer to the Gecko Plugin API Reference for the description of
  68 // NPP_Destroy.
  69 // In the NaCl module, NPP_Destroy is called from NaClNP_MainLoop().
  70 NPError NPP_Destroy(NPP instance, NPSavedData** save) {
  71   printf("NPP_Destroy\n");
  72
  73   if (instance == NULL) {
  74     return NPERR_INVALID_INSTANCE_ERROR;
  75   }
  76
  77   Plugin* plugin = static_cast<Plugin*>(instance->pdata);
  78   if (plugin != NULL) {
  79     delete plugin;
  80   }
  81   return NPERR_NO_ERROR;
  82 }
  83
  84 // NPP_GetScriptableInstance retruns the NPObject pointer that corresponds to
  85 // NPPVpluginScriptableNPObject queried by NPP_GetValue() from the browser.
  86 NPObject* NPP_GetScriptableInstance(NPP instance) {
  87   printf("NPP_GetScriptableInstance\n");
  88
  89   if (instance == NULL) {
  90     return NULL;
  91   }
  92
  93   NPObject* object = NULL;
  94   Plugin* plugin = static_cast<Plugin*>(instance->pdata);
  95   if (plugin) {
  96     object = plugin->GetScriptableObject();
  97   }
  98   return object;
  99 }
 100
 101 NPError NPP_SetWindow(NPP instance, NPWindow* window) {
 102   printf("NPP_SetWindow\n");
 103   if (instance == NULL) {
 104     return NPERR_INVALID_INSTANCE_ERROR;
 105   }
 106   if (window == NULL) {
 107     return NPERR_GENERIC_ERROR;
 108   }
 109   Plugin* plugin = static_cast<Plugin*>(instance->pdata);
 110   if (plugin != NULL) {
 111     return plugin->SetWindow(window);
 112   }
 113   return NPERR_GENERIC_ERROR;
 114 }