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1 /*
2  * Copyright (C) 2007 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include "TestObject.h"
27 #include "PluginObject.h"
28 
29 #include <string.h>
30 #include <stdlib.h>
31 
32 static bool testEnumerate(NPObject *npobj, NPIdentifier **value, uint32_t *count);
33 static bool testHasMethod(NPObject*, NPIdentifier name);
34 static bool testInvoke(NPObject*, NPIdentifier name, const NPVariant* args, uint32_t argCount, NPVariant* result);
35 static bool testHasProperty(NPObject*, NPIdentifier name);
36 static bool testGetProperty(NPObject*, NPIdentifier name, NPVariant*);
37 static NPObject *testAllocate(NPP npp, NPClass *theClass);
38 static void testDeallocate(NPObject *obj);
39 static bool testConstruct(NPObject* obj, const NPVariant* args, uint32_t argCount, NPVariant* result);
40 
41 static NPClass testClass = {
42     NP_CLASS_STRUCT_VERSION,
43     testAllocate,
44     testDeallocate,
45     0,
46     testHasMethod,
47     testInvoke,
48     0,
49     testHasProperty,
50     testGetProperty,
51     0,
52     0,
53     testEnumerate,
54     testConstruct
55 };
56 
getTestClass(void)57 NPClass *getTestClass(void)
58 {
59     return &testClass;
60 }
61 
62 static int testObjectCount = 0;
63 
getTestObjectCount()64 int getTestObjectCount()
65 {
66     return testObjectCount;
67 }
68 
69 typedef struct {
70     NPObject header;
71     NPObject* testObject;
72 } TestObject;
73 
74 static bool identifiersInitialized = false;
75 
76 #define NUM_ENUMERATABLE_TEST_IDENTIFIERS 2
77 
78 enum {
79     ID_PROPERTY_FOO = 0,
80     ID_PROPERTY_BAR,
81     ID_PROPERTY_OBJECT_POINTER,
82     ID_PROPERTY_TEST_OBJECT,
83     ID_PROPERTY_REF_COUNT,
84     NUM_TEST_IDENTIFIERS,
85 };
86 
87 static NPIdentifier testIdentifiers[NUM_TEST_IDENTIFIERS];
88 static const NPUTF8 *testIdentifierNames[NUM_TEST_IDENTIFIERS] = {
89     "foo",
90     "bar",
91     "objectPointer",
92     "testObject",
93     "refCount",
94 };
95 
96 #define ID_THROW_EXCEPTION_METHOD   0
97 #define NUM_METHOD_IDENTIFIERS      1
98 
99 static NPIdentifier testMethodIdentifiers[NUM_METHOD_IDENTIFIERS];
100 static const NPUTF8 *testMethodIdentifierNames[NUM_METHOD_IDENTIFIERS] = {
101     "throwException",
102 };
103 
initializeIdentifiers(void)104 static void initializeIdentifiers(void)
105 {
106     browser->getstringidentifiers(testIdentifierNames, NUM_TEST_IDENTIFIERS, testIdentifiers);
107     browser->getstringidentifiers(testMethodIdentifierNames, NUM_METHOD_IDENTIFIERS, testMethodIdentifiers);
108 }
109 
testAllocate(NPP,NPClass *)110 static NPObject* testAllocate(NPP /*npp*/, NPClass* /*theClass*/)
111 {
112     TestObject* newInstance = static_cast<TestObject*>(malloc(sizeof(TestObject)));
113     newInstance->testObject = 0;
114     ++testObjectCount;
115 
116     if (!identifiersInitialized) {
117         identifiersInitialized = true;
118         initializeIdentifiers();
119     }
120 
121     return reinterpret_cast<NPObject*>(newInstance);
122 }
123 
testDeallocate(NPObject * obj)124 static void testDeallocate(NPObject *obj)
125 {
126     TestObject* testObject = reinterpret_cast<TestObject*>(obj);
127     if (testObject->testObject)
128         browser->releaseobject(testObject->testObject);
129 
130     --testObjectCount;
131     free(obj);
132 }
133 
testHasMethod(NPObject *,NPIdentifier name)134 static bool testHasMethod(NPObject*, NPIdentifier name)
135 {
136     for (unsigned i = 0; i < NUM_METHOD_IDENTIFIERS; i++) {
137         if (testMethodIdentifiers[i] == name)
138             return true;
139     }
140     return false;
141 }
142 
testInvoke(NPObject * header,NPIdentifier name,const NPVariant *,uint32_t,NPVariant *)143 static bool testInvoke(NPObject* header, NPIdentifier name, const NPVariant* /*args*/, uint32_t /*argCount*/, NPVariant* /*result*/)
144 {
145     if (name == testMethodIdentifiers[ID_THROW_EXCEPTION_METHOD]) {
146         browser->setexception(header, "test object throwException SUCCESS");
147         return true;
148      }
149      return false;
150 }
151 
testHasProperty(NPObject *,NPIdentifier name)152 static bool testHasProperty(NPObject*, NPIdentifier name)
153 {
154     for (unsigned i = 0; i < NUM_TEST_IDENTIFIERS; i++) {
155         if (testIdentifiers[i] == name)
156             return true;
157     }
158 
159     return false;
160 }
161 
testGetProperty(NPObject * npobj,NPIdentifier name,NPVariant * result)162 static bool testGetProperty(NPObject* npobj, NPIdentifier name, NPVariant* result)
163 {
164     if (name == testIdentifiers[ID_PROPERTY_FOO]) {
165         char* mem = static_cast<char*>(browser->memalloc(4));
166         strcpy(mem, "foo");
167         STRINGZ_TO_NPVARIANT(mem, *result);
168         return true;
169     }
170     if (name == testIdentifiers[ID_PROPERTY_OBJECT_POINTER]) {
171         int32_t objectPointer = static_cast<int32_t>(reinterpret_cast<long long>(npobj));
172 
173         INT32_TO_NPVARIANT(objectPointer, *result);
174         return true;
175     }
176     if (name == testIdentifiers[ID_PROPERTY_TEST_OBJECT]) {
177         TestObject* testObject = reinterpret_cast<TestObject*>(npobj);
178         if (!testObject->testObject)
179             testObject->testObject = browser->createobject(0, &testClass);
180         browser->retainobject(testObject->testObject);
181         OBJECT_TO_NPVARIANT(testObject->testObject, *result);
182         return true;
183     }
184     if (name == testIdentifiers[ID_PROPERTY_REF_COUNT]) {
185         INT32_TO_NPVARIANT(npobj->referenceCount, *result);
186         return true;
187     }
188 
189     return false;
190 }
191 
testEnumerate(NPObject *,NPIdentifier ** value,uint32_t * count)192 static bool testEnumerate(NPObject* /*npobj*/, NPIdentifier **value, uint32_t *count)
193 {
194     *count = NUM_ENUMERATABLE_TEST_IDENTIFIERS;
195 
196     *value = (NPIdentifier*)browser->memalloc(NUM_ENUMERATABLE_TEST_IDENTIFIERS * sizeof(NPIdentifier));
197     memcpy(*value, testIdentifiers, sizeof(NPIdentifier) * NUM_ENUMERATABLE_TEST_IDENTIFIERS);
198 
199     return true;
200 }
201 
testConstruct(NPObject * npobj,const NPVariant *,uint32_t,NPVariant * result)202 static bool testConstruct(NPObject* npobj, const NPVariant* /*args*/, uint32_t /*argCount*/, NPVariant* result)
203 {
204     browser->retainobject(npobj);
205 
206     // Just return the same object.
207     OBJECT_TO_NPVARIANT(npobj, *result);
208     return true;
209 }
210