gecko-dev/widget/xpwidgets/nsClipboardProxy.cpp

101 lines
2.8 KiB
C++

/* 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 "nsClipboardProxy.h"
#include "nsISupportsPrimitives.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsXULAppAPI.h"
using namespace mozilla;
using mozilla::dom::ContentChild;
NS_IMPL_ISUPPORTS(nsClipboardProxy, nsIClipboard)
nsClipboardProxy::nsClipboardProxy()
{
}
NS_IMETHODIMP
nsClipboardProxy::SetData(nsITransferable *aTransferable,
nsIClipboardOwner *anOwner, int32_t aWhichClipboard)
{
nsCOMPtr<nsISupports> tmp;
uint32_t len;
nsresult rv = aTransferable->GetTransferData(kUnicodeMime, getter_AddRefs(tmp),
&len);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsISupportsString> supportsString = do_QueryInterface(tmp);
// No support for non-text data
NS_ENSURE_TRUE(supportsString, NS_ERROR_NOT_IMPLEMENTED);
nsAutoString buffer;
supportsString->GetData(buffer);
bool isPrivateData = false;
aTransferable->GetIsPrivateData(&isPrivateData);
ContentChild::GetSingleton()->SendSetClipboardText(buffer, isPrivateData,
aWhichClipboard);
return NS_OK;
}
NS_IMETHODIMP
nsClipboardProxy::GetData(nsITransferable *aTransferable, int32_t aWhichClipboard)
{
nsAutoString buffer;
ContentChild::GetSingleton()->SendGetClipboardText(aWhichClipboard, &buffer);
nsresult rv;
nsCOMPtr<nsISupportsString> dataWrapper =
do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = dataWrapper->SetData(buffer);
NS_ENSURE_SUCCESS(rv, rv);
// If our data flavor has already been added, this will fail. But we don't care
aTransferable->AddDataFlavor(kUnicodeMime);
nsCOMPtr<nsISupports> nsisupportsDataWrapper =
do_QueryInterface(dataWrapper);
rv = aTransferable->SetTransferData(kUnicodeMime, nsisupportsDataWrapper,
buffer.Length() * sizeof(char16_t));
NS_ENSURE_SUCCESS(rv, rv);
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 *aHasText)
{
*aHasText = false;
ContentChild::GetSingleton()->SendClipboardHasText(aWhichClipboard, aHasText);
return NS_OK;
}
NS_IMETHODIMP
nsClipboardProxy::SupportsSelectionClipboard(bool *aIsSupported)
{
*aIsSupported = false;
return NS_OK;
}
NS_IMETHODIMP
nsClipboardProxy::SupportsFindClipboard(bool *aIsSupported)
{
*aIsSupported = false;
return NS_OK;
}