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Diffstat (limited to 'Source/WebKit2/Shared/Plugins/NPVariantData.cpp')
| -rw-r--r-- | Source/WebKit2/Shared/Plugins/NPVariantData.cpp | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/Source/WebKit2/Shared/Plugins/NPVariantData.cpp b/Source/WebKit2/Shared/Plugins/NPVariantData.cpp new file mode 100644 index 0000000..b100589 --- /dev/null +++ b/Source/WebKit2/Shared/Plugins/NPVariantData.cpp @@ -0,0 +1,190 @@ +/* + * Copyright (C) 2010 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * 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 APPLE INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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. + */ + +#if ENABLE(PLUGIN_PROCESS) + +#include "NPVariantData.h" + +#include "ArgumentDecoder.h" +#include "ArgumentEncoder.h" +#include "NotImplemented.h" +#include "WebCoreArgumentCoders.h" + +namespace WebKit { + +NPVariantData::NPVariantData() + : m_type(NPVariantData::Void) + , m_boolValue(false) + , m_int32Value(0) + , m_doubleValue(0) + , m_localNPObjectIDValue(0) + , m_remoteNPObjectIDValue(0) +{ +} + +NPVariantData NPVariantData::makeVoid() +{ + return NPVariantData(); +} + +NPVariantData NPVariantData::makeNull() +{ + NPVariantData npVariantData; + + npVariantData.m_type = NPVariantData::Null; + + return npVariantData; +} + +NPVariantData NPVariantData::makeBool(bool value) +{ + NPVariantData npVariantData; + + npVariantData.m_type = NPVariantData::Bool; + npVariantData.m_boolValue = value; + + return npVariantData; +} + +NPVariantData NPVariantData::makeInt32(int32_t value) +{ + NPVariantData npVariantData; + + npVariantData.m_type = NPVariantData::Int32; + npVariantData.m_int32Value = value; + + return npVariantData; +} + +NPVariantData NPVariantData::makeDouble(double value) +{ + NPVariantData npVariantData; + + npVariantData.m_type = NPVariantData::Double; + npVariantData.m_doubleValue = value; + + return npVariantData; +} + +NPVariantData NPVariantData::makeString(const char* string, unsigned length) +{ + NPVariantData npVariantData; + + npVariantData.m_type = NPVariantData::String; + npVariantData.m_stringValue = CString(string, length); + + return npVariantData; +} + +NPVariantData NPVariantData::makeLocalNPObjectID(uint64_t value) +{ + NPVariantData npVariantData; + + npVariantData.m_type = NPVariantData::LocalNPObjectID; + npVariantData.m_localNPObjectIDValue = value; + + return npVariantData; +} + +NPVariantData NPVariantData::makeRemoteNPObjectID(uint64_t value) +{ + NPVariantData npVariantData; + + npVariantData.m_type = NPVariantData::RemoteNPObjectID; + npVariantData.m_remoteNPObjectIDValue = value; + + return npVariantData; +} + +void NPVariantData::encode(CoreIPC::ArgumentEncoder* encoder) const +{ + encoder->encode(m_type); + + switch (type()) { + case NPVariantData::Void: + case NPVariantData::Null: + break; + case NPVariantData::Bool: + encoder->encode(boolValue()); + break; + case NPVariantData::Int32: + encoder->encode(int32Value()); + break; + case NPVariantData::Double: + encoder->encode(doubleValue()); + break; + case NPVariantData::String: + encoder->encode(stringValue()); + break; + case NPVariantData::LocalNPObjectID: + encoder->encode(localNPObjectIDValue()); + break; + case NPVariantData::RemoteNPObjectID: + encoder->encode(remoteNPObjectIDValue()); + break; + } +} + +bool NPVariantData::decode(CoreIPC::ArgumentDecoder* decoder, NPVariantData& result) +{ + uint32_t type; + if (!decoder->decode(type)) + return false; + + // We special-case LocalNPObjectID and RemoteNPObjectID here so a LocalNPObjectID is + // decoded as a RemoteNPObjectID and vice versa. + // This is done because the type is from the perspective of the other connection, and + // thus we have to adjust it to match our own perspective. + if (type == NPVariantData::LocalNPObjectID) + type = NPVariantData::RemoteNPObjectID; + else if (type == NPVariantData::RemoteNPObjectID) + type = NPVariantData::LocalNPObjectID; + + result.m_type = type; + + switch (result.m_type) { + case NPVariantData::Void: + case NPVariantData::Null: + return true; + case NPVariantData::Bool: + return decoder->decode(result.m_boolValue); + case NPVariantData::Int32: + return decoder->decode(result.m_int32Value); + case NPVariantData::Double: + return decoder->decode(result.m_doubleValue); + case NPVariantData::String: + return decoder->decode(result.m_stringValue); + case NPVariantData::LocalNPObjectID: + return decoder->decode(result.m_localNPObjectIDValue); + case NPVariantData::RemoteNPObjectID: + return decoder->decode(result.m_remoteNPObjectIDValue); + } + + return false; +} + +} // namespace WebKit + +#endif // ENABLE(PLUGIN_PROCESS) |