gecko-dev/widget/gonk/nsClipboard.cpp

149 lines
4.0 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 "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsXULAppAPI.h"
using namespace mozilla;
using mozilla::dom::ContentChild;
#define LOG_TAG "Clipboard"
#define LOGI(args...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, ## args)
#define LOGE(args...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, ## args)
NS_IMPL_ISUPPORTS(nsClipboard, nsIClipboard)
nsClipboard::nsClipboard()
{
}
NS_IMETHODIMP
nsClipboard::SetData(nsITransferable *aTransferable,
nsIClipboardOwner *anOwner, int32_t aWhichClipboard)
{
if (aWhichClipboard != kGlobalClipboard) {
return NS_ERROR_NOT_IMPLEMENTED;
}
nsCOMPtr<nsISupports> tmp;
uint32_t len;
nsresult rv = aTransferable->GetTransferData(kUnicodeMime, getter_AddRefs(tmp),
&len);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<nsISupportsString> supportsString = do_QueryInterface(tmp);
// No support for non-text data
if (NS_WARN_IF(!supportsString)) {
LOGE("No support for non-text data. See bug 952456.");
return NS_ERROR_NOT_IMPLEMENTED;
}
nsAutoString buffer;
supportsString->GetData(buffer);
if (XRE_GetProcessType() == GeckoProcessType_Default) {
mClipboard = buffer;
} else {
bool isPrivateData = false;
aTransferable->GetIsPrivateData(&isPrivateData);
ContentChild::GetSingleton()->SendSetClipboardText(buffer, isPrivateData,
aWhichClipboard);
}
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::GetData(nsITransferable *aTransferable, int32_t aWhichClipboard)
{
if (aWhichClipboard != kGlobalClipboard) {
return NS_ERROR_NOT_IMPLEMENTED;
}
nsAutoString buffer;
if (XRE_GetProcessType() == GeckoProcessType_Default) {
buffer = mClipboard;
} else {
ContentChild::GetSingleton()->SendGetClipboardText(aWhichClipboard, &buffer);
}
nsresult rv;
nsCOMPtr<nsISupportsString> dataWrapper =
do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = dataWrapper->SetData(buffer);
if (NS_WARN_IF(NS_FAILED(rv))) {
return 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(PRUnichar));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::EmptyClipboard(int32_t aWhichClipboard)
{
if (aWhichClipboard != kGlobalClipboard) {
return NS_ERROR_NOT_IMPLEMENTED;
}
if (XRE_GetProcessType() == GeckoProcessType_Default) {
mClipboard.Truncate(0);
} else {
ContentChild::GetSingleton()->SendEmptyClipboard(aWhichClipboard);
}
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;
}
if (XRE_GetProcessType() == GeckoProcessType_Default) {
*aHasText = !mClipboard.IsEmpty();
} else {
ContentChild::GetSingleton()->SendClipboardHasText(aWhichClipboard, aHasText);
}
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::SupportsSelectionClipboard(bool *aIsSupported)
{
*aIsSupported = false;
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::SupportsFindClipboard(bool* _retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = false;
return NS_OK;
}