Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NPPSetWindowCalledDuringDestruction.cpp

/*
 * Copyright (C) 2011 Apple Inc. All rights reserved.
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 *    notice, this list of conditions and the following disclaimer in the
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 *
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#include "PluginTest.h"

#include "PluginObject.h"

using namespace std;

// NPP_SetWindow should be called with a null window handle as destruction begins on non-Mac platforms.

class NPPSetWindowCalledDuringDestruction : public PluginTest {
public:
    NPPSetWindowCalledDuringDestruction(NPP, const string& identifier);

    void setWillBeDestroyed() { m_willBeDestroyed = true; }

private:
    struct ScriptObject : Object<ScriptObject> {
        bool hasMethod(NPIdentifier);
        bool invoke(NPIdentifier, const NPVariant*, uint32_t, NPVariant*);
    };

    virtual NPError NPP_GetValue(NPPVariable, void*);
    virtual NPError NPP_SetWindow(NPP, NPWindow*);
    virtual NPError NPP_Destroy(NPSavedData**);

    bool m_willBeDestroyed;
    bool m_setWindowCalledBeforeDestruction;
    bool m_setWindowCalledDuringDestruction;
};

static PluginTest::Register<NPPSetWindowCalledDuringDestruction> registrar("npp-set-window-called-during-destruction");

NPPSetWindowCalledDuringDestruction::NPPSetWindowCalledDuringDestruction(NPP npp, const string& identifier)
    : PluginTest(npp, identifier)
    , m_willBeDestroyed(false)
    , m_setWindowCalledBeforeDestruction(false)
    , m_setWindowCalledDuringDestruction(false)
{
}

NPError NPPSetWindowCalledDuringDestruction::NPP_GetValue(NPPVariable variable, void* value)
{
    if (variable != NPPVpluginScriptableNPObject)
        return NPERR_GENERIC_ERROR;

    *static_cast<NPObject**>(value) = ScriptObject::create(this);

    return NPERR_NO_ERROR;
}

NPError NPPSetWindowCalledDuringDestruction::NPP_SetWindow(NPP, NPWindow* window)
{
    if (m_willBeDestroyed) {
        m_setWindowCalledDuringDestruction = true;
        if (!m_setWindowCalledBeforeDestruction) {
            log("Fail: setWillBeDestroyed() was called before the initial NPP_SetWindow call");
            return NPERR_NO_ERROR;
        }
#ifndef XP_MACOSX
        if (window->window)
            log("Fail: NPP_SetWindow passed a non-null window during plugin destruction");
#endif
        return NPERR_NO_ERROR;
    }

    if (m_setWindowCalledBeforeDestruction) {
        log("Fail: NPP_SetWindow called more than once before plugin destruction");
        return NPERR_NO_ERROR;
    }

    m_setWindowCalledBeforeDestruction = true;
    return NPERR_NO_ERROR;
}

NPError NPPSetWindowCalledDuringDestruction::NPP_Destroy(NPSavedData**)
{
#ifdef XP_MACOSX
    bool shouldHaveBeenCalledDuringDestruction = false;
#else
    bool shouldHaveBeenCalledDuringDestruction = true;
#endif

    if (m_setWindowCalledDuringDestruction == shouldHaveBeenCalledDuringDestruction)
        log("Success: NPP_SetWindow %s called during plugin destruction", shouldHaveBeenCalledDuringDestruction ? "was" : "was not");
    else
        log("Fail: NPP_SetWindow %s called during plugin destruction", shouldHaveBeenCalledDuringDestruction ? "was not" : "was");

    return NPERR_NO_ERROR;
}

bool NPPSetWindowCalledDuringDestruction::ScriptObject::hasMethod(NPIdentifier methodName)
{
    return methodName == pluginTest()->NPN_GetStringIdentifier("setWillBeDestroyed");
}

bool NPPSetWindowCalledDuringDestruction::ScriptObject::invoke(NPIdentifier identifier, const NPVariant*, uint32_t, NPVariant*)
{
    assert(identifier == pluginTest()->NPN_GetStringIdentifier("setWillBeDestroyed"));
    static_cast<NPPSetWindowCalledDuringDestruction*>(pluginTest())->setWillBeDestroyed();
    return true;
}