PluginObject.cpp - Android社区 - https://www.androidos.net.cn/

/*
 * Copyright 2009, The Android Open Source Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' 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 COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
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 modification or redistribution of this Apple software constitutes acceptance of these
 terms.  If you do not agree with these terms, please do not use, install, modify or
 redistribute this Apple software.

In consideration of your agreement to abide by the following terms, and subject to these
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 this original Apple software (the "Apple Software"), to use, reproduce, modify and
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 derivative works or by other works in which the Apple Software may be incorporated.

The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO WARRANTIES,
 EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS
 USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
          OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,
 REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND
 WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR
 OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdlib.h>
#include "main.h"
#include "PluginObject.h"

static void pluginInvalidate(NPObject *obj);
static bool pluginHasProperty(NPObject *obj, NPIdentifier name);
static bool pluginHasMethod(NPObject *obj, NPIdentifier name);
static bool pluginGetProperty(NPObject *obj, NPIdentifier name, NPVariant *variant);
static bool pluginSetProperty(NPObject *obj, NPIdentifier name, const NPVariant *variant);
static bool pluginInvoke(NPObject *obj, NPIdentifier name, const NPVariant *args, uint32_t argCount, NPVariant *result);
static bool pluginInvokeDefault(NPObject *obj, const NPVariant *args, uint32_t argCount, NPVariant *result);
static NPObject *pluginAllocate(NPP npp, NPClass *theClass);
static void pluginDeallocate(NPObject *obj);
static bool pluginRemoveProperty(NPObject *npobj, NPIdentifier name);
static bool pluginEnumerate(NPObject *npobj, NPIdentifier **value, uint32_t *count);

static NPClass pluginClass = {
    NP_CLASS_STRUCT_VERSION,
    pluginAllocate,
    pluginDeallocate,
    pluginInvalidate,
    pluginHasMethod,
    pluginInvoke,
    pluginInvokeDefault,
    pluginHasProperty,
    pluginGetProperty,
    pluginSetProperty,
    pluginRemoveProperty,
    pluginEnumerate
};

NPClass *getPluginClass(void)
{
    return &pluginClass;
}

static bool identifiersInitialized = false;

#define ID_TESTFILE_PROPERTY            0
#define NUM_PROPERTY_IDENTIFIERS        1

static NPIdentifier pluginPropertyIdentifiers[NUM_PROPERTY_IDENTIFIERS];
static const NPUTF8 *pluginPropertyIdentifierNames[NUM_PROPERTY_IDENTIFIERS] = {
    "testfile"
};

#define ID_GETTESTFILE_METHOD                   0
#define NUM_METHOD_IDENTIFIERS                  1

static NPIdentifier pluginMethodIdentifiers[NUM_METHOD_IDENTIFIERS];
static const NPUTF8 *pluginMethodIdentifierNames[NUM_METHOD_IDENTIFIERS] = {
    "getTestFile"
};

static void initializeIdentifiers(void)
{
    browser->getstringidentifiers(pluginPropertyIdentifierNames, NUM_PROPERTY_IDENTIFIERS, pluginPropertyIdentifiers);
    browser->getstringidentifiers(pluginMethodIdentifierNames, NUM_METHOD_IDENTIFIERS, pluginMethodIdentifiers);
}

static bool pluginHasProperty(NPObject *obj, NPIdentifier name)
{
    int i;
    for (i = 0; i < NUM_PROPERTY_IDENTIFIERS; i++)
        if (name == pluginPropertyIdentifiers[i])
            return true;
    return false;
}

static bool pluginHasMethod(NPObject *obj, NPIdentifier name)
{
    int i;
    for (i = 0; i < NUM_METHOD_IDENTIFIERS; i++)
        if (name == pluginMethodIdentifiers[i])
            return true;
    return false;
}

static bool pluginGetProperty(NPObject *obj, NPIdentifier name, NPVariant *variant)
{
    PluginObject *plugin = (PluginObject *)obj;
    if (name == pluginPropertyIdentifiers[ID_TESTFILE_PROPERTY]) {
        BOOLEAN_TO_NPVARIANT(true, *variant);
        return true;
    }
    return false;
}

static bool pluginSetProperty(NPObject *obj, NPIdentifier name, const NPVariant *variant)
{
    return false;
}

static bool pluginInvoke(NPObject *obj, NPIdentifier name, const NPVariant *args, uint32_t argCount, NPVariant *result)
{
    PluginObject *plugin = (PluginObject *)obj;
    if (name == pluginMethodIdentifiers[ID_GETTESTFILE_METHOD]) {
        return true;
    }
    return false;
}

static bool pluginInvokeDefault(NPObject *obj, const NPVariant *args, uint32_t argCount, NPVariant *result)
{
    return false;
}

static void pluginInvalidate(NPObject *obj)
{
    // Release any remaining references to JavaScript objects.
}

static NPObject *pluginAllocate(NPP npp, NPClass *theClass)
{
    PluginObject *newInstance = (PluginObject*) malloc(sizeof(PluginObject));
    newInstance->header._class = theClass;
    newInstance->header.referenceCount = 1;

if (!identifiersInitialized) {
        identifiersInitialized = true;
        initializeIdentifiers();
    }

newInstance->npp = npp;

return &newInstance->header;
}

static void pluginDeallocate(NPObject *obj)
{
    free(obj);
}

static bool pluginRemoveProperty(NPObject *npobj, NPIdentifier name)
{
    return false;
}

static bool pluginEnumerate(NPObject *npobj, NPIdentifier **value, uint32_t *count)
{
    return false;
}

C++程序 | 203行 | 7.67 KB

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