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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/java/ClipboardWrappers.h"
#include "mozilla/java/GeckoAppShellWrappers.h"
#include "nsClipboard.h"
#include "nsISupportsPrimitives.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsPrimitiveHelpers.h"
using namespace mozilla;
NS_IMPL_ISUPPORTS(nsClipboard, nsIClipboard)
/* The Android clipboard only supports text and doesn't support mime types
* so we assume all clipboard data is text/unicode for now. Documentation
* indicates that support for other data types is planned for future
* releases.
*/
nsClipboard::nsClipboard() {}
NS_IMETHODIMP
nsClipboard::SetData(nsITransferable* aTransferable, nsIClipboardOwner* anOwner,
int32_t aWhichClipboard) {
if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
if (!jni::IsAvailable()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsTArray<nsCString> flavors;
aTransferable->FlavorsTransferableCanImport(flavors);
nsAutoString html;
nsAutoString text;
for (auto& flavorStr : flavors) {
if (flavorStr.EqualsLiteral(kUnicodeMime)) {
nsCOMPtr<nsISupports> item;
nsresult rv =
aTransferable->GetTransferData(kUnicodeMime, getter_AddRefs(item));
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
nsCOMPtr<nsISupportsString> supportsString = do_QueryInterface(item);
if (supportsString) {
supportsString->GetData(text);
}
} else if (flavorStr.EqualsLiteral(kHTMLMime)) {
nsCOMPtr<nsISupports> item;
nsresult rv =
aTransferable->GetTransferData(kHTMLMime, getter_AddRefs(item));
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
nsCOMPtr<nsISupportsString> supportsString = do_QueryInterface(item);
if (supportsString) {
supportsString->GetData(html);
}
}
}
if (!html.IsEmpty() &&
java::Clipboard::SetHTML(java::GeckoAppShell::GetApplicationContext(),
text, html)) {
return NS_OK;
}
if (!text.IsEmpty() &&
java::Clipboard::SetText(java::GeckoAppShell::GetApplicationContext(),
text)) {
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsClipboard::GetData(nsITransferable* aTransferable, int32_t aWhichClipboard) {
if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
if (!jni::IsAvailable()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsTArray<nsCString> flavors;
aTransferable->FlavorsTransferableCanImport(flavors);
for (auto& flavorStr : flavors) {
if (flavorStr.EqualsLiteral(kUnicodeMime) ||
flavorStr.EqualsLiteral(kHTMLMime)) {
auto text = java::Clipboard::GetData(
java::GeckoAppShell::GetApplicationContext(), flavorStr);
if (!text) {
continue;
}
nsString buffer = text->ToString();
if (buffer.IsEmpty()) {
continue;
}
nsCOMPtr<nsISupports> wrapper;
nsPrimitiveHelpers::CreatePrimitiveForData(flavorStr, buffer.get(),
buffer.Length() * 2,
getter_AddRefs(wrapper));
if (wrapper) {
aTransferable->SetTransferData(flavorStr.get(), wrapper);
return NS_OK;
}
}
}
return NS_ERROR_FAILURE;
}
RefPtr<GenericPromise> nsClipboard::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__);
}
NS_IMETHODIMP
nsClipboard::EmptyClipboard(int32_t aWhichClipboard) {
if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
if (!jni::IsAvailable()) {
return NS_ERROR_NOT_AVAILABLE;
}
java::Clipboard::ClearText(java::GeckoAppShell::GetApplicationContext());
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList,
int32_t aWhichClipboard, bool* aHasText) {
*aHasText = false;
if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
if (!jni::IsAvailable()) {
return NS_ERROR_NOT_AVAILABLE;
}
for (auto& flavor : aFlavorList) {
bool hasData =
java::Clipboard::HasData(java::GeckoAppShell::GetApplicationContext(),
NS_ConvertASCIItoUTF16(flavor));
if (hasData) {
*aHasText = true;
return NS_OK;
}
}
return NS_OK;
}
RefPtr<DataFlavorsPromise> nsClipboard::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__);
}
NS_IMETHODIMP
nsClipboard::SupportsSelectionClipboard(bool* aIsSupported) {
*aIsSupported = false;
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::SupportsFindClipboard(bool* _retval) {
*_retval = false;
return NS_OK;
}
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