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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsContentAreaDragDrop.h"
#include "RemoteDragStartData.h"
#include "nsContentUtils.h"
#include "nsICookieJarSettings.h"
#include "nsVariant.h"
#include "mozilla/dom/BlobImpl.h"
#include "mozilla/dom/BrowserParent.h"
#include "mozilla/dom/IPCBlobUtils.h"
#include "mozilla/dom/DOMTypes.h"
#include "ProtocolUtils.h"
using namespace mozilla::ipc;
namespace mozilla::dom {
RemoteDragStartData::~RemoteDragStartData() = default;
RemoteDragStartData::RemoteDragStartData(
BrowserParent* aBrowserParent, nsTArray<IPCDataTransfer>&& aDataTransfer,
const LayoutDeviceIntRect& aRect, nsIPrincipal* aPrincipal,
nsIContentSecurityPolicy* aCsp, nsICookieJarSettings* aCookieJarSettings)
: mBrowserParent(aBrowserParent),
mDataTransfer(std::move(aDataTransfer)),
mRect(aRect),
mPrincipal(aPrincipal),
mCsp(aCsp),
mCookieJarSettings(aCookieJarSettings) {}
void RemoteDragStartData::AddInitialDnDDataTo(
DataTransfer* aDataTransfer, nsIPrincipal** aPrincipal,
nsIContentSecurityPolicy** aCsp,
nsICookieJarSettings** aCookieJarSettings) {
NS_IF_ADDREF(*aPrincipal = mPrincipal);
NS_IF_ADDREF(*aCsp = mCsp);
NS_IF_ADDREF(*aCookieJarSettings = mCookieJarSettings);
for (uint32_t i = 0; i < mDataTransfer.Length(); ++i) {
nsTArray<IPCDataTransferItem>& itemArray = mDataTransfer[i].items();
for (auto& item : itemArray) {
RefPtr<nsVariantCC> variant = new nsVariantCC();
// Special case kFilePromiseMime so that we get the right
// nsIFlavorDataProvider for it.
if (item.flavor().EqualsLiteral(kFilePromiseMime)) {
RefPtr<nsISupports> flavorDataProvider =
new nsContentAreaDragDropDataProvider();
variant->SetAsISupports(flavorDataProvider);
} else if (item.data().type() == IPCDataTransferData::TnsString) {
variant->SetAsAString(item.data().get_nsString());
} else if (item.data().type() == IPCDataTransferData::TIPCBlob) {
RefPtr<BlobImpl> impl =
IPCBlobUtils::Deserialize(item.data().get_IPCBlob());
variant->SetAsISupports(impl);
} else if (item.data().type() == IPCDataTransferData::TShmem) {
if (nsContentUtils::IsFlavorImage(item.flavor())) {
// An image! Get the imgIContainer for it and set it in the variant.
nsCOMPtr<imgIContainer> imageContainer;
nsresult rv = nsContentUtils::DataTransferItemToImage(
item, getter_AddRefs(imageContainer));
if (NS_FAILED(rv)) {
continue;
}
variant->SetAsISupports(imageContainer);
} else {
Shmem data = item.data().get_Shmem();
variant->SetAsACString(
nsDependentCSubstring(data.get<char>(), data.Size<char>()));
}
mozilla::Unused << mBrowserParent->DeallocShmem(
item.data().get_Shmem());
}
// We set aHidden to false, as we don't need to worry about hiding data
// from content in the parent process where there is no content.
aDataTransfer->SetDataWithPrincipalFromOtherProcess(
NS_ConvertUTF8toUTF16(item.flavor()), variant, i, mPrincipal,
/* aHidden = */ false);
}
}
// Clear things that are no longer needed.
mDataTransfer.Clear();
mPrincipal = nullptr;
}
} // namespace mozilla::dom
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