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      1 // Copyright 2014 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 /*
      6  * Copyright (C) 2011 Apple Inc. All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     19  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     27  * THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include "PluginTest.h"
     31 
     32 #include "PluginObject.h"
     33 
     34 using namespace std;
     35 
     36 // NPP_SetWindow should be called with a null window handle as destruction begins on non-Mac platforms.
     37 
     38 class NPPSetWindowCalledDuringDestruction : public PluginTest {
     39 public:
     40     NPPSetWindowCalledDuringDestruction(NPP, const string& identifier);
     41 
     42     void setWillBeDestroyed() { m_willBeDestroyed = true; }
     43 
     44 private:
     45     struct ScriptObject : Object<ScriptObject> {
     46         bool hasMethod(NPIdentifier);
     47         bool invoke(NPIdentifier, const NPVariant*, uint32_t, NPVariant*);
     48     };
     49 
     50     virtual NPError NPP_GetValue(NPPVariable, void*);
     51     virtual NPError NPP_SetWindow(NPWindow*);
     52     virtual NPError NPP_Destroy(NPSavedData**);
     53 
     54     bool m_willBeDestroyed;
     55     bool m_setWindowCalledBeforeDestruction;
     56     bool m_setWindowCalledDuringDestruction;
     57 };
     58 
     59 static PluginTest::Register<NPPSetWindowCalledDuringDestruction> registrar("npp-set-window-called-during-destruction");
     60 
     61 NPPSetWindowCalledDuringDestruction::NPPSetWindowCalledDuringDestruction(NPP npp, const string& identifier)
     62     : PluginTest(npp, identifier)
     63     , m_willBeDestroyed(false)
     64     , m_setWindowCalledBeforeDestruction(false)
     65     , m_setWindowCalledDuringDestruction(false)
     66 {
     67 }
     68 
     69 NPError NPPSetWindowCalledDuringDestruction::NPP_GetValue(NPPVariable variable, void* value)
     70 {
     71     if (variable != NPPVpluginScriptableNPObject)
     72         return NPERR_GENERIC_ERROR;
     73 
     74     *static_cast<NPObject**>(value) = ScriptObject::create(this);
     75 
     76     return NPERR_NO_ERROR;
     77 }
     78 
     79 NPError NPPSetWindowCalledDuringDestruction::NPP_SetWindow(NPWindow* window)
     80 {
     81     if (m_willBeDestroyed) {
     82         m_setWindowCalledDuringDestruction = true;
     83         if (!m_setWindowCalledBeforeDestruction) {
     84             log("Fail: setWillBeDestroyed() was called before the initial NPP_SetWindow call");
     85             return NPERR_NO_ERROR;
     86         }
     87 #ifndef XP_MACOSX
     88         if (window->window)
     89             log("Fail: NPP_SetWindow passed a non-null window during plugin destruction");
     90 #endif
     91         return NPERR_NO_ERROR;
     92     }
     93 
     94     if (m_setWindowCalledBeforeDestruction) {
     95         log("Fail: NPP_SetWindow called more than once before plugin destruction");
     96         return NPERR_NO_ERROR;
     97     }
     98 
     99     m_setWindowCalledBeforeDestruction = true;
    100     return NPERR_NO_ERROR;
    101 }
    102 
    103 NPError NPPSetWindowCalledDuringDestruction::NPP_Destroy(NPSavedData**)
    104 {
    105 #ifdef XP_MACOSX
    106     bool shouldHaveBeenCalledDuringDestruction = false;
    107 #else
    108     bool shouldHaveBeenCalledDuringDestruction = true;
    109 #endif
    110 
    111     if (m_setWindowCalledDuringDestruction == shouldHaveBeenCalledDuringDestruction)
    112         log("Success: NPP_SetWindow %s called during plugin destruction", shouldHaveBeenCalledDuringDestruction ? "was" : "was not");
    113     else
    114         log("Fail: NPP_SetWindow %s called during plugin destruction", shouldHaveBeenCalledDuringDestruction ? "was not" : "was");
    115 
    116     return NPERR_NO_ERROR;
    117 }
    118 
    119 bool NPPSetWindowCalledDuringDestruction::ScriptObject::hasMethod(NPIdentifier methodName)
    120 {
    121     return methodName == pluginTest()->NPN_GetStringIdentifier("setWillBeDestroyed");
    122 }
    123 
    124 bool NPPSetWindowCalledDuringDestruction::ScriptObject::invoke(NPIdentifier identifier, const NPVariant*, uint32_t, NPVariant*)
    125 {
    126     assert(identifier == pluginTest()->NPN_GetStringIdentifier("setWillBeDestroyed"));
    127     static_cast<NPPSetWindowCalledDuringDestruction*>(pluginTest())->setWillBeDestroyed();
    128     return true;
    129 }
    130