mirror of
https://github.com/mozilla/gecko-dev.git
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142 lines
4.9 KiB
C++
142 lines
4.9 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/Unused.h"
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#include "nsArrayUtils.h"
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#include "nsClipboardProxy.h"
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#include "nsISupportsPrimitives.h"
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#include "nsCOMPtr.h"
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#include "nsComponentManagerUtils.h"
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#include "nsXULAppAPI.h"
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#include "nsContentUtils.h"
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#include "nsStringStream.h"
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#include "PermissionMessageUtils.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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NS_IMPL_ISUPPORTS(nsClipboardProxy, nsIClipboard, nsIClipboardProxy)
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nsClipboardProxy::nsClipboardProxy() : mClipboardCaps(false, false) {}
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NS_IMETHODIMP
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nsClipboardProxy::SetData(nsITransferable* aTransferable,
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nsIClipboardOwner* anOwner, int32_t aWhichClipboard) {
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ContentChild* child = ContentChild::GetSingleton();
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IPCDataTransfer ipcDataTransfer;
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nsContentUtils::TransferableToIPCTransferable(aTransferable, &ipcDataTransfer,
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false, child, nullptr);
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bool isPrivateData = aTransferable->GetIsPrivateData();
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nsCOMPtr<nsIPrincipal> requestingPrincipal =
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aTransferable->GetRequestingPrincipal();
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nsContentPolicyType contentPolicyType = aTransferable->GetContentPolicyType();
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child->SendSetClipboard(ipcDataTransfer, isPrivateData,
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IPC::Principal(requestingPrincipal),
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contentPolicyType, aWhichClipboard);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsClipboardProxy::GetData(nsITransferable* aTransferable,
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int32_t aWhichClipboard) {
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nsTArray<nsCString> types;
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aTransferable->FlavorsTransferableCanImport(types);
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nsresult rv;
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IPCDataTransfer dataTransfer;
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ContentChild::GetSingleton()->SendGetClipboard(types, aWhichClipboard,
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&dataTransfer);
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auto& items = dataTransfer.items();
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for (uint32_t j = 0; j < items.Length(); ++j) {
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const IPCDataTransferItem& item = items[j];
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if (item.data().type() == IPCDataTransferData::TnsString) {
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nsCOMPtr<nsISupportsString> dataWrapper =
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do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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const nsString& data = item.data().get_nsString();
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rv = dataWrapper->SetData(data);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper);
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NS_ENSURE_SUCCESS(rv, rv);
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} else if (item.data().type() == IPCDataTransferData::TShmem) {
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// If this is an image, convert it into an nsIInputStream.
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const nsCString& flavor = item.flavor();
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mozilla::ipc::Shmem data = item.data().get_Shmem();
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if (flavor.EqualsLiteral(kJPEGImageMime) ||
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flavor.EqualsLiteral(kJPGImageMime) ||
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flavor.EqualsLiteral(kPNGImageMime) ||
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flavor.EqualsLiteral(kGIFImageMime)) {
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nsCOMPtr<nsIInputStream> stream;
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NS_NewCStringInputStream(
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getter_AddRefs(stream),
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nsDependentCSubstring(data.get<char>(), data.Size<char>()));
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rv = aTransferable->SetTransferData(flavor.get(), stream);
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NS_ENSURE_SUCCESS(rv, rv);
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} else if (flavor.EqualsLiteral(kNativeHTMLMime) ||
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flavor.EqualsLiteral(kRTFMime) ||
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flavor.EqualsLiteral(kCustomTypesMime)) {
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nsCOMPtr<nsISupportsCString> dataWrapper =
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do_CreateInstance(NS_SUPPORTS_CSTRING_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = dataWrapper->SetData(
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nsDependentCSubstring(data.get<char>(), data.Size<char>()));
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NS_ENSURE_SUCCESS(rv, rv);
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rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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mozilla::Unused << ContentChild::GetSingleton()->DeallocShmem(data);
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsClipboardProxy::EmptyClipboard(int32_t aWhichClipboard) {
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ContentChild::GetSingleton()->SendEmptyClipboard(aWhichClipboard);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsClipboardProxy::HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList,
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int32_t aWhichClipboard,
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bool* aHasType) {
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*aHasType = false;
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ContentChild::GetSingleton()->SendClipboardHasType(aFlavorList,
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aWhichClipboard, aHasType);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsClipboardProxy::SupportsSelectionClipboard(bool* aIsSupported) {
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*aIsSupported = mClipboardCaps.supportsSelectionClipboard();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsClipboardProxy::SupportsFindClipboard(bool* aIsSupported) {
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*aIsSupported = mClipboardCaps.supportsFindClipboard();
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return NS_OK;
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}
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void nsClipboardProxy::SetCapabilities(
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const ClipboardCapabilities& aClipboardCaps) {
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mClipboardCaps = aClipboardCaps;
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}
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