gecko/widget/android/nsClipboard.cpp

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2012-05-21 04:12:37 -07:00
/* 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;
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);
mozilla::widget::android::Clipboard::SetClipboardText(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,
buffer.Length() * sizeof(char16_t));
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::EmptyClipboard(int32_t aWhichClipboard)
{
if (aWhichClipboard != kGlobalClipboard)
return NS_ERROR_NOT_IMPLEMENTED;
mozilla::widget::android::Clipboard::ClearText();
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;
*aHasText = mozilla::widget::android::Clipboard::HasText();
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;
}