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/*
* Copyright (C) 2011 Igalia S.L.
*
* 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.
*/
#include "config.h"
#include "ArgumentCodersGtk.h"
#include "DataReference.h"
#include "ShareableBitmap.h"
#include "WebCoreArgumentCoders.h"
#include <WebCore/DataObjectGtk.h>
#include <WebCore/DragData.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/GtkVersioning.h>
#include <WebCore/PlatformContextCairo.h>
#include <wtf/gobject/GOwnPtr.h>
using namespace WebCore;
using namespace WebKit;
namespace CoreIPC {
static void encodeImage(ArgumentEncoder* encoder, const GdkPixbuf* pixbuf)
{
IntSize imageSize(gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf));
RefPtr<ShareableBitmap> bitmap = ShareableBitmap::createShareable(imageSize, ShareableBitmap::SupportsAlpha);
OwnPtr<GraphicsContext> graphicsContext = bitmap->createGraphicsContext();
cairo_t* cr = graphicsContext->platformContext()->cr();
gdk_cairo_set_source_pixbuf(cr, pixbuf, 0, 0);
cairo_paint(cr);
ShareableBitmap::Handle handle;
bitmap->createHandle(handle);
encoder->encode(handle);
}
static bool decodeImage(ArgumentDecoder* decoder, GRefPtr<GdkPixbuf>& pixbuf)
{
ShareableBitmap::Handle handle;
if (!decoder->decode(handle))
return false;
RefPtr<ShareableBitmap> bitmap = ShareableBitmap::create(handle);
if (!bitmap)
return false;
RefPtr<Image> image = bitmap->createImage();
if (!image)
return false;
NativeImageCairo* nativeImage = image->nativeImageForCurrentFrame();
if (!nativeImage)
return false;
cairo_surface_t* surface = nativeImage->surface();
pixbuf = adoptGRef(gdk_pixbuf_get_from_surface(surface, 0, 0,
cairo_image_surface_get_width(surface),
cairo_image_surface_get_height(surface)));
if (!pixbuf)
return false;
return true;
}
static void encodeDataObject(ArgumentEncoder* encoder, const DataObjectGtk* dataObject)
{
bool hasText = dataObject->hasText();
encoder->encode(hasText);
if (hasText)
encoder->encode(dataObject->text());
bool hasMarkup = dataObject->hasMarkup();
encoder->encode(hasMarkup);
if (hasMarkup)
encoder->encode(dataObject->markup());
bool hasURL = dataObject->hasURL();
encoder->encode(hasURL);
if (hasURL)
encoder->encode(dataObject->url().string());
bool hasURIList = dataObject->hasURIList();
encoder->encode(hasURIList);
if (hasURIList)
encoder->encode(dataObject->uriList());
bool hasImage = dataObject->hasImage();
encoder->encode(hasImage);
if (hasImage)
encodeImage(encoder, dataObject->image());
}
static bool decodeDataObject(ArgumentDecoder* decoder, RefPtr<DataObjectGtk>& dataObject)
{
RefPtr<DataObjectGtk> data = DataObjectGtk::create();
bool hasText;
if (!decoder->decode(hasText))
return false;
if (hasText) {
String text;
if (!decoder->decode(text))
return false;
data->setText(text);
}
bool hasMarkup;
if (!decoder->decode(hasMarkup))
return false;
if (hasMarkup) {
String markup;
if (!decoder->decode(markup))
return false;
data->setMarkup(markup);
}
bool hasURL;
if (!decoder->decode(hasURL))
return false;
if (hasURL) {
String url;
if (!decoder->decode(url))
return false;
data->setURL(KURL(KURL(), url), String());
}
bool hasURIList;
if (!decoder->decode(hasURIList))
return false;
if (hasURIList) {
String uriList;
if (!decoder->decode(uriList))
return false;
data->setURIList(uriList);
}
bool hasImage;
if (!decoder->decode(hasImage))
return false;
if (hasImage) {
GRefPtr<GdkPixbuf> image;
if (!decodeImage(decoder, image))
return false;
data->setImage(image.get());
}
dataObject = data;
return true;
}
void ArgumentCoder<DragData>::encode(ArgumentEncoder* encoder, const DragData& dragData)
{
encoder->encode(dragData.clientPosition());
encoder->encode(dragData.globalPosition());
encoder->encode(static_cast<uint64_t>(dragData.draggingSourceOperationMask()));
encoder->encode(static_cast<uint64_t>(dragData.flags()));
DataObjectGtk* platformData = dragData.platformData();
encoder->encode(static_cast<bool>(platformData));
if (platformData)
encodeDataObject(encoder, platformData);
}
bool ArgumentCoder<DragData>::decode(ArgumentDecoder* decoder, DragData& dragData)
{
IntPoint clientPosition;
if (!decoder->decode(clientPosition))
return false;
IntPoint globalPosition;
if (!decoder->decode(globalPosition))
return false;
uint64_t sourceOperationMask;
if (!decoder->decode(sourceOperationMask))
return false;
uint64_t flags;
if (!decoder->decode(flags))
return false;
bool hasPlatformData;
if (!decoder->decode(hasPlatformData))
return false;
RefPtr<DataObjectGtk> platformData;
if (hasPlatformData) {
if (!decodeDataObject(decoder, platformData))
return false;
}
dragData = DragData(platformData.release().leakRef(), clientPosition, globalPosition, static_cast<DragOperation>(sourceOperationMask),
static_cast<DragApplicationFlags>(flags));
return true;
}
static void encodeGKeyFile(ArgumentEncoder* encoder, GKeyFile* keyFile)
{
gsize dataSize;
GOwnPtr<char> data(g_key_file_to_data(keyFile, &dataSize, 0));
DataReference dataReference(reinterpret_cast<uint8_t*>(data.get()), dataSize);
encoder->encode(dataReference);
}
static bool decodeGKeyFile(ArgumentDecoder* decoder, GOwnPtr<GKeyFile>& keyFile)
{
DataReference dataReference;
if (!decoder->decode(dataReference))
return false;
if (!dataReference.size())
return true;
keyFile.set(g_key_file_new());
if (!g_key_file_load_from_data(keyFile.get(), reinterpret_cast<const gchar*>(dataReference.data()), dataReference.size(), G_KEY_FILE_NONE, 0)) {
keyFile.clear();
return false;
}
return true;
}
void encode(ArgumentEncoder* encoder, GtkPrintSettings* printSettings)
{
GOwnPtr<GKeyFile> keyFile(g_key_file_new());
gtk_print_settings_to_key_file(printSettings, keyFile.get(), "Print Settings");
encodeGKeyFile(encoder, keyFile.get());
}
bool decode(ArgumentDecoder* decoder, GRefPtr<GtkPrintSettings>& printSettings)
{
GOwnPtr<GKeyFile> keyFile;
if (!decodeGKeyFile(decoder, keyFile))
return false;
printSettings = adoptGRef(gtk_print_settings_new());
if (!keyFile)
return true;
if (!gtk_print_settings_load_key_file(printSettings.get(), keyFile.get(), "Print Settings", 0))
printSettings = 0;
return printSettings;
}
void encode(ArgumentEncoder* encoder, GtkPageSetup* pageSetup)
{
GOwnPtr<GKeyFile> keyFile(g_key_file_new());
gtk_page_setup_to_key_file(pageSetup, keyFile.get(), "Page Setup");
encodeGKeyFile(encoder, keyFile.get());
}
bool decode(ArgumentDecoder* decoder, GRefPtr<GtkPageSetup>& pageSetup)
{
GOwnPtr<GKeyFile> keyFile;
if (!decodeGKeyFile(decoder, keyFile))
return false;
pageSetup = adoptGRef(gtk_page_setup_new());
if (!keyFile)
return true;
if (!gtk_page_setup_load_key_file(pageSetup.get(), keyFile.get(), "Page Setup", 0))
pageSetup = 0;
return pageSetup;
}
}
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