gecko-dev/widget/android/nsClipboard.cpp

110 строки
3.3 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 "nsClipboard.h"
#include "nsISupportsPrimitives.h"
#include "AndroidBridge.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsXULAppAPI.h"
using namespace mozilla;
using mozilla::dom::ContentChild;
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;
nsCOMPtr<nsISupports> tmp;
nsresult rv =
aTransferable->GetTransferData(kUnicodeMime, getter_AddRefs(tmp));
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);
java::Clipboard::SetText(java::GeckoAppShell::GetApplicationContext(),
buffer);
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::GetData(nsITransferable *aTransferable, int32_t aWhichClipboard) {
if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
nsAutoString buffer;
if (!AndroidBridge::Bridge()) return NS_ERROR_NOT_IMPLEMENTED;
if (!AndroidBridge::Bridge()->GetClipboardText(buffer))
return NS_ERROR_UNEXPECTED;
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);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::EmptyClipboard(int32_t aWhichClipboard) {
if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
java::Clipboard::ClearText(java::GeckoAppShell::GetApplicationContext());
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::HasDataMatchingFlavors(const char **aFlavorList, uint32_t aLength,
int32_t aWhichClipboard, bool *aHasText) {
*aHasText = false;
if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
for (uint32_t k = 0; k < aLength; k++) {
if (strcmp(aFlavorList[k], kUnicodeMime) == 0) {
*aHasText = java::Clipboard::HasText(
java::GeckoAppShell::GetApplicationContext());
break;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::SupportsSelectionClipboard(bool *aIsSupported) {
*aIsSupported = false;
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::SupportsFindClipboard(bool *_retval) {
*_retval = false;
return NS_OK;
}