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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 "HeadlessClipboard.h"
#include "nsISupportsPrimitives.h"
#include "nsComponentManagerUtils.h"
#include "nsCOMPtr.h"
namespace mozilla {
namespace widget {
NS_IMPL_ISUPPORTS_INHERITED0(HeadlessClipboard, ClipboardSetDataHelper)
HeadlessClipboard::HeadlessClipboard()
: mClipboard(MakeUnique<HeadlessClipboardData>()) {}
NS_IMETHODIMP
HeadlessClipboard::SetNativeClipboardData(nsITransferable* aTransferable,
nsIClipboardOwner* aOwner,
int32_t aWhichClipboard) {
if (aWhichClipboard != kGlobalClipboard) {
return NS_ERROR_NOT_IMPLEMENTED;
}
// Clear out the clipboard in order to set the new data.
EmptyClipboard(aWhichClipboard);
// Only support plain text for now.
nsCOMPtr<nsISupports> clip;
nsresult rv = aTransferable->GetTransferData(kTextMime, getter_AddRefs(clip));
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsISupportsString> wideString = do_QueryInterface(clip);
if (!wideString) {
return NS_ERROR_NOT_IMPLEMENTED;
}
nsAutoString utf16string;
wideString->GetData(utf16string);
mClipboard->SetText(utf16string);
return NS_OK;
}
NS_IMETHODIMP
HeadlessClipboard::GetData(nsITransferable* aTransferable,
int32_t aWhichClipboard) {
if (aWhichClipboard != kGlobalClipboard) {
return NS_ERROR_NOT_IMPLEMENTED;
}
nsresult rv;
nsCOMPtr<nsISupportsString> dataWrapper =
do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
rv = dataWrapper->SetData(mClipboard->GetText());
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<nsISupports> genericDataWrapper = do_QueryInterface(dataWrapper);
rv = aTransferable->SetTransferData(kTextMime, genericDataWrapper);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
NS_IMETHODIMP
HeadlessClipboard::EmptyClipboard(int32_t aWhichClipboard) {
if (aWhichClipboard != kGlobalClipboard) {
return NS_ERROR_NOT_IMPLEMENTED;
}
mClipboard->Clear();
return NS_OK;
}
NS_IMETHODIMP
HeadlessClipboard::HasDataMatchingFlavors(
const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard,
bool* aHasType) {
*aHasType = false;
if (aWhichClipboard != kGlobalClipboard) {
return NS_ERROR_NOT_IMPLEMENTED;
}
// Retrieve the union of all aHasType in aFlavorList
for (auto& flavor : aFlavorList) {
if (flavor.EqualsLiteral(kTextMime) && mClipboard->HasText()) {
*aHasType = true;
break;
}
}
return NS_OK;
}
NS_IMETHODIMP
HeadlessClipboard::IsClipboardTypeSupported(int32_t aWhichClipboard,
bool* _retval) {
NS_ENSURE_ARG_POINTER(_retval);
*_retval = kGlobalClipboard == aWhichClipboard;
return NS_OK;
}
RefPtr<GenericPromise> HeadlessClipboard::AsyncGetData(
nsITransferable* aTransferable, int32_t aWhichClipboard) {
nsresult rv = GetData(aTransferable, aWhichClipboard);
if (NS_FAILED(rv)) {
return GenericPromise::CreateAndReject(rv, __func__);
}
return GenericPromise::CreateAndResolve(true, __func__);
}
RefPtr<DataFlavorsPromise> HeadlessClipboard::AsyncHasDataMatchingFlavors(
const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard) {
nsTArray<nsCString> results;
for (const auto& flavor : aFlavorList) {
bool hasMatchingFlavor = false;
nsresult rv = HasDataMatchingFlavors(AutoTArray<nsCString, 1>{flavor},
aWhichClipboard, &hasMatchingFlavor);
if (NS_SUCCEEDED(rv) && hasMatchingFlavor) {
results.AppendElement(flavor);
}
}
return DataFlavorsPromise::CreateAndResolve(std::move(results), __func__);
}
} // namespace widget
} // namespace mozilla
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