21426e24f4
Most usage is a straight replacement but gtk needs extra changes as it transfers plain text in UTF8 natively and needs to be converted into UTF16, and Windows uses single-byte characters for RTF and CF_HTML formats so we preserve this. Differential Revision: https://phabricator.services.mozilla.com/D158587
131 lines
3.8 KiB
C++
131 lines
3.8 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "HeadlessClipboard.h"
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#include "nsISupportsPrimitives.h"
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#include "nsComponentManagerUtils.h"
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#include "nsCOMPtr.h"
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namespace mozilla {
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namespace widget {
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NS_IMPL_ISUPPORTS(HeadlessClipboard, nsIClipboard)
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HeadlessClipboard::HeadlessClipboard()
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: mClipboard(MakeUnique<HeadlessClipboardData>()) {}
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NS_IMETHODIMP
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HeadlessClipboard::SetData(nsITransferable* aTransferable,
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nsIClipboardOwner* anOwner,
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int32_t aWhichClipboard) {
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if (aWhichClipboard != kGlobalClipboard) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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// Clear out the clipboard in order to set the new data.
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EmptyClipboard(aWhichClipboard);
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// Only support plain text for now.
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nsCOMPtr<nsISupports> clip;
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nsresult rv = aTransferable->GetTransferData(kTextMime, getter_AddRefs(clip));
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsCOMPtr<nsISupportsString> wideString = do_QueryInterface(clip);
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if (!wideString) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsAutoString utf16string;
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wideString->GetData(utf16string);
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mClipboard->SetText(utf16string);
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return NS_OK;
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}
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NS_IMETHODIMP
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HeadlessClipboard::GetData(nsITransferable* aTransferable,
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int32_t aWhichClipboard) {
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if (aWhichClipboard != kGlobalClipboard) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult rv;
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nsCOMPtr<nsISupportsString> dataWrapper =
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do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
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rv = dataWrapper->SetData(mClipboard->GetText());
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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nsCOMPtr<nsISupports> genericDataWrapper = do_QueryInterface(dataWrapper);
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rv = aTransferable->SetTransferData(kTextMime, genericDataWrapper);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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HeadlessClipboard::EmptyClipboard(int32_t aWhichClipboard) {
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if (aWhichClipboard != kGlobalClipboard) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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mClipboard->Clear();
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return NS_OK;
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}
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NS_IMETHODIMP
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HeadlessClipboard::HasDataMatchingFlavors(
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const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard,
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bool* aHasType) {
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*aHasType = false;
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if (aWhichClipboard != kGlobalClipboard) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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// Retrieve the union of all aHasType in aFlavorList
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for (auto& flavor : aFlavorList) {
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if (flavor.EqualsLiteral(kTextMime) && mClipboard->HasText()) {
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*aHasType = true;
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break;
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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HeadlessClipboard::IsClipboardTypeSupported(int32_t aWhichClipboard,
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bool* _retval) {
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NS_ENSURE_ARG_POINTER(_retval);
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*_retval = kGlobalClipboard == aWhichClipboard;
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return NS_OK;
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}
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RefPtr<GenericPromise> HeadlessClipboard::AsyncGetData(
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nsITransferable* aTransferable, int32_t aWhichClipboard) {
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nsresult rv = GetData(aTransferable, aWhichClipboard);
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if (NS_FAILED(rv)) {
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return GenericPromise::CreateAndReject(rv, __func__);
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}
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return GenericPromise::CreateAndResolve(true, __func__);
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}
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RefPtr<DataFlavorsPromise> HeadlessClipboard::AsyncHasDataMatchingFlavors(
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const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard) {
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nsTArray<nsCString> results;
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for (const auto& flavor : aFlavorList) {
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bool hasMatchingFlavor = false;
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nsresult rv = HasDataMatchingFlavors(AutoTArray<nsCString, 1>{flavor},
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aWhichClipboard, &hasMatchingFlavor);
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if (NS_SUCCEEDED(rv) && hasMatchingFlavor) {
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results.AppendElement(flavor);
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}
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}
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return DataFlavorsPromise::CreateAndResolve(std::move(results), __func__);
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}
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} // namespace widget
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} // namespace mozilla
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