mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-23 04:41:11 +00:00
128 lines
4.3 KiB
C++
128 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* 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 "nsClipboardHelper.h"
|
|
|
|
// basics
|
|
#include "nsComponentManagerUtils.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsXPCOM.h"
|
|
#include "nsISupportsPrimitives.h"
|
|
#include "nsServiceManagerUtils.h"
|
|
|
|
// helpers
|
|
#include "nsIClipboard.h"
|
|
#include "mozilla/dom/Document.h"
|
|
#include "nsITransferable.h"
|
|
#include "nsReadableUtils.h"
|
|
|
|
NS_IMPL_ISUPPORTS(nsClipboardHelper, nsIClipboardHelper)
|
|
|
|
/*****************************************************************************
|
|
* nsClipboardHelper ctor / dtor
|
|
*****************************************************************************/
|
|
|
|
nsClipboardHelper::nsClipboardHelper() = default;
|
|
|
|
nsClipboardHelper::~nsClipboardHelper() {
|
|
// no members, nothing to destroy
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* nsIClipboardHelper methods
|
|
*****************************************************************************/
|
|
|
|
NS_IMETHODIMP
|
|
nsClipboardHelper::CopyStringToClipboard(
|
|
const nsAString& aString, nsIClipboard::ClipboardType aClipboardID,
|
|
mozilla::dom::WindowContext* aSettingWindowContext,
|
|
SensitiveData aSensitive) {
|
|
nsresult rv;
|
|
|
|
// get the clipboard
|
|
nsCOMPtr<nsIClipboard> clipboard(
|
|
do_GetService("@mozilla.org/widget/clipboard;1", &rv));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(clipboard, NS_ERROR_FAILURE);
|
|
|
|
// don't go any further if they're asking for the selection
|
|
// clipboard on a platform which doesn't support it (i.e., unix)
|
|
if (nsIClipboard::kSelectionClipboard == aClipboardID &&
|
|
!clipboard->IsClipboardTypeSupported(nsIClipboard::kSelectionClipboard)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// don't go any further if they're asking for the find clipboard on a platform
|
|
// which doesn't support it (i.e., non-osx)
|
|
if (nsIClipboard::kFindClipboard == aClipboardID &&
|
|
!clipboard->IsClipboardTypeSupported(nsIClipboard::kFindClipboard)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// create a transferable for putting data on the clipboard
|
|
nsCOMPtr<nsITransferable> trans(
|
|
do_CreateInstance("@mozilla.org/widget/transferable;1", &rv));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(trans, NS_ERROR_FAILURE);
|
|
|
|
trans->Init(nullptr);
|
|
if (aSensitive == SensitiveData::Sensitive) {
|
|
trans->SetIsPrivateData(true);
|
|
}
|
|
|
|
// Add the text data flavor to the transferable
|
|
rv = trans->AddDataFlavor(kTextMime);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// get wStrings to hold clip data
|
|
nsCOMPtr<nsISupportsString> data(
|
|
do_CreateInstance("@mozilla.org/supports-string;1", &rv));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(data, NS_ERROR_FAILURE);
|
|
|
|
// populate the string
|
|
rv = data->SetData(aString);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Pass the data object as |nsISupports| so that when the transferable holds
|
|
// onto it, it will addref the correct interface.
|
|
rv = trans->SetTransferData(kTextMime, ToSupports(data));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// put the transferable on the clipboard
|
|
rv = clipboard->SetData(trans, nullptr, aClipboardID, aSettingWindowContext);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsClipboardHelper::CopyString(
|
|
const nsAString& aString,
|
|
mozilla::dom::WindowContext* aSettingWindowContext,
|
|
SensitiveData aSensitive) {
|
|
nsresult rv;
|
|
|
|
// copy to the global clipboard. it's bad if this fails in any way.
|
|
rv = CopyStringToClipboard(aString, nsIClipboard::kGlobalClipboard,
|
|
aSettingWindowContext, aSensitive);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// unix also needs us to copy to the selection clipboard. this will
|
|
// fail in CopyStringToClipboard if we're not on a platform that
|
|
// supports the selection clipboard. (this could have been #ifdef
|
|
// XP_UNIX, but using the IsClipboardTypeSupported call is the more correct
|
|
// thing to do.
|
|
//
|
|
// if this fails in any way other than "not being unix", we'll get
|
|
// the assertion we need in CopyStringToClipboard, and we needn't
|
|
// assert again here.
|
|
CopyStringToClipboard(aString, nsIClipboard::kSelectionClipboard,
|
|
aSettingWindowContext, aSensitive);
|
|
|
|
return NS_OK;
|
|
}
|