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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 "mozilla/dom/ContentChild.h"
#include "mozilla/Unused.h"
#include "nsArrayUtils.h"
#include "nsClipboardProxy.h"
#include "nsISupportsPrimitives.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsXULAppAPI.h"
#include "nsContentUtils.h"
#include "nsStringStream.h"
using namespace mozilla;
using namespace mozilla::dom;
NS_IMPL_ISUPPORTS(nsClipboardProxy, nsIClipboard, nsIClipboardProxy)
nsClipboardProxy::nsClipboardProxy() : mClipboardCaps(false, false) {}
NS_IMETHODIMP
nsClipboardProxy::SetData(nsITransferable* aTransferable,
nsIClipboardOwner* anOwner, int32_t aWhichClipboard) {
ContentChild* child = ContentChild::GetSingleton();
IPCDataTransfer ipcDataTransfer;
nsContentUtils::TransferableToIPCTransferable(aTransferable, &ipcDataTransfer,
false, child, nullptr);
bool isPrivateData = aTransferable->GetIsPrivateData();
nsCOMPtr<nsIPrincipal> requestingPrincipal =
aTransferable->GetRequestingPrincipal();
nsContentPolicyType contentPolicyType = aTransferable->GetContentPolicyType();
child->SendSetClipboard(ipcDataTransfer, isPrivateData,
IPC::Principal(requestingPrincipal),
contentPolicyType, aWhichClipboard);
return NS_OK;
}
NS_IMETHODIMP
nsClipboardProxy::GetData(nsITransferable* aTransferable,
int32_t aWhichClipboard) {
nsTArray<nsCString> types;
aTransferable->FlavorsTransferableCanImport(types);
nsresult rv;
IPCDataTransfer dataTransfer;
ContentChild::GetSingleton()->SendGetClipboard(types, aWhichClipboard,
&dataTransfer);
auto& items = dataTransfer.items();
for (uint32_t j = 0; j < items.Length(); ++j) {
const IPCDataTransferItem& item = items[j];
if (item.data().type() == IPCDataTransferData::TnsString) {
nsCOMPtr<nsISupportsString> dataWrapper =
do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
const nsString& data = item.data().get_nsString();
rv = dataWrapper->SetData(data);
NS_ENSURE_SUCCESS(rv, rv);
rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper);
NS_ENSURE_SUCCESS(rv, rv);
} else if (item.data().type() == IPCDataTransferData::TShmem) {
// If this is an image, convert it into an nsIInputStream.
const nsCString& flavor = item.flavor();
mozilla::ipc::Shmem data = item.data().get_Shmem();
if (flavor.EqualsLiteral(kJPEGImageMime) ||
flavor.EqualsLiteral(kJPGImageMime) ||
flavor.EqualsLiteral(kPNGImageMime) ||
flavor.EqualsLiteral(kGIFImageMime)) {
nsCOMPtr<nsIInputStream> stream;
NS_NewCStringInputStream(
getter_AddRefs(stream),
nsDependentCSubstring(data.get<char>(), data.Size<char>()));
rv = aTransferable->SetTransferData(flavor.get(), stream);
NS_ENSURE_SUCCESS(rv, rv);
} else if (flavor.EqualsLiteral(kNativeHTMLMime) ||
flavor.EqualsLiteral(kRTFMime) ||
flavor.EqualsLiteral(kCustomTypesMime)) {
nsCOMPtr<nsISupportsCString> dataWrapper =
do_CreateInstance(NS_SUPPORTS_CSTRING_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = dataWrapper->SetData(
nsDependentCSubstring(data.get<char>(), data.Size<char>()));
NS_ENSURE_SUCCESS(rv, rv);
rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper);
NS_ENSURE_SUCCESS(rv, rv);
}
mozilla::Unused << ContentChild::GetSingleton()->DeallocShmem(data);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsClipboardProxy::EmptyClipboard(int32_t aWhichClipboard) {
ContentChild::GetSingleton()->SendEmptyClipboard(aWhichClipboard);
return NS_OK;
}
NS_IMETHODIMP
nsClipboardProxy::HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList,
int32_t aWhichClipboard,
bool* aHasType) {
*aHasType = false;
ContentChild::GetSingleton()->SendClipboardHasType(aFlavorList,
aWhichClipboard, aHasType);
return NS_OK;
}
NS_IMETHODIMP
nsClipboardProxy::SupportsSelectionClipboard(bool* aIsSupported) {
*aIsSupported = mClipboardCaps.supportsSelectionClipboard();
return NS_OK;
}
NS_IMETHODIMP
nsClipboardProxy::SupportsFindClipboard(bool* aIsSupported) {
*aIsSupported = mClipboardCaps.supportsFindClipboard();
return NS_OK;
}
void nsClipboardProxy::SetCapabilities(
const ClipboardCapabilities& aClipboardCaps) {
mClipboardCaps = aClipboardCaps;
}