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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 = false;
aTransferable->GetIsPrivateData(&isPrivateData);
nsCOMPtr<nsIPrincipal> requestingPrincipal;
aTransferable->GetRequestingPrincipal(getter_AddRefs(requestingPrincipal));
child->SendSetClipboard(ipcDataTransfer, isPrivateData,
IPC::Principal(requestingPrincipal), aWhichClipboard);
return NS_OK;
}
NS_IMETHODIMP
nsClipboardProxy::GetData(nsITransferable *aTransferable, int32_t aWhichClipboard)
{
nsTArray<nsCString> types;
nsCOMPtr<nsIArray> flavorList;
aTransferable->FlavorsTransferableCanImport(getter_AddRefs(flavorList));
if (flavorList) {
uint32_t flavorCount = 0;
flavorList->GetLength(&flavorCount);
for (uint32_t j = 0; j < flavorCount; ++j) {
nsCOMPtr<nsISupportsCString> flavor = do_QueryElementAt(flavorList, j);
if (flavor) {
nsAutoCString flavorStr;
flavor->GetData(flavorStr);
if (flavorStr.Length()) {
types.AppendElement(flavorStr);
}
}
}
}
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);
nsString data = item.data().get_nsString();
rv = dataWrapper->SetData(data);
NS_ENSURE_SUCCESS(rv, rv);
rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper,
data.Length() * sizeof(char16_t));
NS_ENSURE_SUCCESS(rv, rv);
} else if (item.data().type() == IPCDataTransferData::TShmem) {
// If this is an image, convert it into an nsIInputStream.
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),
nsDependentCString(data.get<char>(), data.Size<char>()));
rv = aTransferable->SetTransferData(flavor.get(), stream, sizeof(nsISupports*));
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(nsDependentCString(data.get<char>(), data.Size<char>()));
NS_ENSURE_SUCCESS(rv, rv);
rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper,
data.Size<char>());
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 char **aFlavorList,
uint32_t aLength, int32_t aWhichClipboard,
bool *aHasType)
{
*aHasType = false;
nsTArray<nsCString> types;
nsCString* t = types.AppendElements(aLength);
for (uint32_t j = 0; j < aLength; ++j) {
t[j].Rebind(aFlavorList[j], nsCharTraits<char>::length(aFlavorList[j]));
}
ContentChild::GetSingleton()->SendClipboardHasType(types, 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;
}
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