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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 "mozilla/ipc/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,
WindowContext* aSourceWindowContext)
: mBrowserParent(aBrowserParent),
mDataTransfer(std::move(aDataTransfer)),
mRect(aRect),
mPrincipal(aPrincipal),
mCsp(aCsp),
mCookieJarSettings(aCookieJarSettings),
mSourceWindowContext(aSourceWindowContext) {}
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) {
if (!nsContentUtils::IPCDataTransferItemHasKnownFlavor(item)) {
NS_WARNING(
"Ignoring unknown flavor in "
"RemoteDragStartData::AddInitialDnDDataTo");
continue;
}
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 {
nsresult rv =
nsContentUtils::IPCTransferableItemToVariant(item, variant);
if (NS_FAILED(rv)) {
continue;
}
}
// 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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