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1 // Copyright (c) 2006-2008 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 "webkit/glue/plugins/test/plugin_npobject_lifetime_test.h" | |
6 | |
7 namespace NPAPIClient { | |
8 | |
9 const int kNPObjectLifetimeTimer = 100; | |
10 const int kNPObjectLifetimeTimerElapse = 2000; | |
11 | |
12 NPObject* NPObjectLifetimeTestInstance2::plugin_instance_object_ = NULL; | |
13 | |
14 NPObjectDeletePluginInNPN_Evaluate* | |
15 NPObjectDeletePluginInNPN_Evaluate::g_npn_evaluate_test_instance_ = NULL; | |
16 | |
17 NPObjectLifetimeTest::NPObjectLifetimeTest(NPP id, | |
18 NPNetscapeFuncs *host_functions) | |
19 : PluginTest(id, host_functions), | |
20 other_plugin_instance_object_(NULL), | |
21 timer_id_(0) { | |
22 } | |
23 | |
24 NPError NPObjectLifetimeTest::SetWindow(NPWindow* pNPWindow) { | |
25 if (pNPWindow->window == NULL) | |
26 return NPERR_NO_ERROR; | |
27 | |
28 HWND window_handle = reinterpret_cast<HWND>(pNPWindow->window); | |
29 if (!::GetProp(window_handle, L"Plugin_Instance")) { | |
30 // TODO: this propery leaks. | |
31 ::SetProp(window_handle, L"Plugin_Instance", this); | |
32 // We attempt to retreive the NPObject for the plugin instance identified | |
33 // by the NPObjectLifetimeTestInstance2 class as it may not have been | |
34 // instantiated yet. | |
35 timer_id_ = SetTimer(window_handle, kNPObjectLifetimeTimer, | |
36 kNPObjectLifetimeTimerElapse, TimerProc); | |
37 } | |
38 return NPERR_NO_ERROR; | |
39 } | |
40 | |
41 void CALLBACK NPObjectLifetimeTest::TimerProc( | |
42 HWND window, UINT message, UINT timer_id, | |
43 unsigned long elapsed_milli_seconds) { | |
44 | |
45 NPObjectLifetimeTest* this_instance = | |
46 reinterpret_cast<NPObjectLifetimeTest*> | |
47 (::GetProp(window, L"Plugin_Instance")); | |
48 KillTimer(window, this_instance->timer_id_); | |
49 ::RemoveProp(window, L"Plugin_Instance"); | |
50 | |
51 this_instance->timer_id_ = 0; | |
52 | |
53 this_instance->other_plugin_instance_object_ = | |
54 NPObjectLifetimeTestInstance2::plugin_instance_object_; | |
55 this_instance->HostFunctions()->retainobject( | |
56 this_instance->other_plugin_instance_object_); | |
57 | |
58 NPString script; | |
59 script.UTF8Characters = "javascript:DeleteSecondPluginInstance()"; | |
60 script.UTF8Length = static_cast<uint32_t>(strlen(script.UTF8Characters)); | |
61 | |
62 this_instance->HostFunctions()->geturlnotify( | |
63 this_instance->id(), "javascript:DeleteSecondPluginInstance()", NULL, | |
64 reinterpret_cast<void*>(1)); | |
65 } | |
66 | |
67 void NPObjectLifetimeTest::URLNotify(const char* url, NPReason reason, | |
68 void* data) { | |
69 // Create a "location" identifier. | |
70 NPIdentifier identifier = HostFunctions()->getstringidentifier("location"); | |
71 // Declare a local variant value. | |
72 NPVariant variantValue; | |
73 // Get the location property from the window object (which is another object). | |
74 bool b1 = HostFunctions()->getproperty(id(), other_plugin_instance_object_, | |
75 identifier, &variantValue ); | |
76 HostFunctions()->releaseobject(other_plugin_instance_object_); | |
77 other_plugin_instance_object_ = NULL; | |
78 // If this test failed, then we'd have crashed by now. | |
79 SignalTestCompleted(); | |
80 } | |
81 | |
82 NPObjectLifetimeTestInstance2::NPObjectLifetimeTestInstance2( | |
83 NPP id, NPNetscapeFuncs *host_functions) | |
84 : PluginTest(id, host_functions) { | |
85 } | |
86 | |
87 NPObjectLifetimeTestInstance2::~NPObjectLifetimeTestInstance2() { | |
88 if (plugin_instance_object_) { | |
89 HostFunctions()->releaseobject(plugin_instance_object_); | |
90 plugin_instance_object_ = NULL; | |
91 } | |
92 } | |
93 | |
94 NPError NPObjectLifetimeTestInstance2::SetWindow(NPWindow* pNPWindow) { | |
95 if (pNPWindow->window == NULL) | |
96 return NPERR_NO_ERROR; | |
97 | |
98 if (!plugin_instance_object_) { | |
99 if (!HostFunctions()->getvalue(id(), NPNVWindowNPObject, | |
100 &plugin_instance_object_)) { | |
101 SetError("Failed to get NPObject for plugin instance2"); | |
102 SignalTestCompleted(); | |
103 return NPERR_GENERIC_ERROR; | |
104 } | |
105 } | |
106 | |
107 return NPERR_NO_ERROR; | |
108 } | |
109 | |
110 | |
111 NPObjectDeletePluginInNPN_Evaluate::NPObjectDeletePluginInNPN_Evaluate( | |
112 NPP id, NPNetscapeFuncs *host_functions) | |
113 : PluginTest(id, host_functions), | |
114 plugin_instance_object_(NULL), | |
115 timer_id_(0) { | |
116 g_npn_evaluate_test_instance_ = this; | |
117 } | |
118 | |
119 NPObjectDeletePluginInNPN_Evaluate::~NPObjectDeletePluginInNPN_Evaluate() { | |
120 if (plugin_instance_object_) { | |
121 HostFunctions()->releaseobject(plugin_instance_object_); | |
122 plugin_instance_object_ = NULL; | |
123 } | |
124 } | |
125 | |
126 NPError NPObjectDeletePluginInNPN_Evaluate::SetWindow(NPWindow* np_window) { | |
127 if (np_window->window == NULL) | |
128 return NPERR_NO_ERROR; | |
129 | |
130 HWND window_handle = reinterpret_cast<HWND>(np_window->window); | |
131 // We setup a timerproc to invoke NPN_Evaluate to destroy this plugin | |
132 // instance. This is to ensure that we don't destroy the plugin instance | |
133 // while it is being used in webkit as this leads to crashes and is a | |
134 // more accurate representation of the renderer crash as described in | |
135 // http://b/issue?id=1134683. | |
136 if (!timer_id_) { | |
137 timer_id_ = SetTimer(window_handle, kNPObjectLifetimeTimer, | |
138 kNPObjectLifetimeTimerElapse, TimerProc); | |
139 } | |
140 return NPERR_NO_ERROR; | |
141 } | |
142 | |
143 void CALLBACK NPObjectDeletePluginInNPN_Evaluate::TimerProc( | |
144 HWND window, UINT message, UINT timer_id, | |
145 unsigned long elapsed_milli_seconds) { | |
146 | |
147 KillTimer(window, g_npn_evaluate_test_instance_->timer_id_); | |
148 g_npn_evaluate_test_instance_->timer_id_ = 0; | |
149 NPObject *window_obj = NULL; | |
150 g_npn_evaluate_test_instance_->HostFunctions()->getvalue( | |
151 g_npn_evaluate_test_instance_->id(), NPNVWindowNPObject, | |
152 &window_obj); | |
153 | |
154 if (!window_obj) { | |
155 g_npn_evaluate_test_instance_->SetError( | |
156 "Failed to get NPObject for plugin instance2"); | |
157 g_npn_evaluate_test_instance_->SignalTestCompleted(); | |
158 return; | |
159 } | |
160 | |
161 std::string script = "javascript:DeletePluginWithinScript()"; | |
162 NPString script_string; | |
163 script_string.UTF8Characters = script.c_str(); | |
164 script_string.UTF8Length = | |
165 static_cast<unsigned int>(script.length()); | |
166 | |
167 NPVariant result_var; | |
168 bool result = g_npn_evaluate_test_instance_->HostFunctions()->evaluate( | |
169 g_npn_evaluate_test_instance_->id(), window_obj, | |
170 &script_string, &result_var); | |
171 // If this test failed we would have crashed by now. | |
172 } | |
173 | |
174 } // namespace NPAPIClient | |
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