forked from mirrors/gecko-dev
		
	 5eb248348f
			
		
	
	
		5eb248348f
		
	
	
	
	
		
			
			Differential Revision: https://phabricator.services.mozilla.com/D34243 --HG-- extra : moz-landing-system : lando
		
			
				
	
	
		
			140 lines
		
	
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			140 lines
		
	
	
	
		
			4.8 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 "mozilla/Unused.h"
 | |
| #include "nsArrayUtils.h"
 | |
| #include "nsClipboardProxy.h"
 | |
| #include "nsISupportsPrimitives.h"
 | |
| #include "nsCOMPtr.h"
 | |
| #include "nsComponentManagerUtils.h"
 | |
| #include "nsXULAppAPI.h"
 | |
| #include "nsContentUtils.h"
 | |
| #include "nsStringStream.h"
 | |
| 
 | |
| using namespace mozilla;
 | |
| using namespace mozilla::dom;
 | |
| 
 | |
| NS_IMPL_ISUPPORTS(nsClipboardProxy, nsIClipboard, nsIClipboardProxy)
 | |
| 
 | |
| nsClipboardProxy::nsClipboardProxy() : mClipboardCaps(false, false) {}
 | |
| 
 | |
| NS_IMETHODIMP
 | |
| nsClipboardProxy::SetData(nsITransferable* aTransferable,
 | |
|                           nsIClipboardOwner* anOwner, int32_t aWhichClipboard) {
 | |
|   ContentChild* child = ContentChild::GetSingleton();
 | |
| 
 | |
|   IPCDataTransfer ipcDataTransfer;
 | |
|   nsContentUtils::TransferableToIPCTransferable(aTransferable, &ipcDataTransfer,
 | |
|                                                 false, child, nullptr);
 | |
| 
 | |
|   bool isPrivateData = aTransferable->GetIsPrivateData();
 | |
|   nsCOMPtr<nsIPrincipal> requestingPrincipal =
 | |
|       aTransferable->GetRequestingPrincipal();
 | |
|   nsContentPolicyType contentPolicyType = aTransferable->GetContentPolicyType();
 | |
|   child->SendSetClipboard(ipcDataTransfer, isPrivateData,
 | |
|                           IPC::Principal(requestingPrincipal),
 | |
|                           contentPolicyType, aWhichClipboard);
 | |
| 
 | |
|   return NS_OK;
 | |
| }
 | |
| 
 | |
| NS_IMETHODIMP
 | |
| nsClipboardProxy::GetData(nsITransferable* aTransferable,
 | |
|                           int32_t aWhichClipboard) {
 | |
|   nsTArray<nsCString> types;
 | |
|   aTransferable->FlavorsTransferableCanImport(types);
 | |
| 
 | |
|   nsresult rv;
 | |
|   IPCDataTransfer dataTransfer;
 | |
|   ContentChild::GetSingleton()->SendGetClipboard(types, aWhichClipboard,
 | |
|                                                  &dataTransfer);
 | |
| 
 | |
|   auto& items = dataTransfer.items();
 | |
|   for (uint32_t j = 0; j < items.Length(); ++j) {
 | |
|     const IPCDataTransferItem& item = items[j];
 | |
| 
 | |
|     if (item.data().type() == IPCDataTransferData::TnsString) {
 | |
|       nsCOMPtr<nsISupportsString> dataWrapper =
 | |
|           do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
 | |
|       NS_ENSURE_SUCCESS(rv, rv);
 | |
| 
 | |
|       const nsString& data = item.data().get_nsString();
 | |
|       rv = dataWrapper->SetData(data);
 | |
|       NS_ENSURE_SUCCESS(rv, rv);
 | |
| 
 | |
|       rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper);
 | |
|       NS_ENSURE_SUCCESS(rv, rv);
 | |
|     } else if (item.data().type() == IPCDataTransferData::TShmem) {
 | |
|       // If this is an image, convert it into an nsIInputStream.
 | |
|       const nsCString& flavor = item.flavor();
 | |
|       mozilla::ipc::Shmem data = item.data().get_Shmem();
 | |
|       if (flavor.EqualsLiteral(kJPEGImageMime) ||
 | |
|           flavor.EqualsLiteral(kJPGImageMime) ||
 | |
|           flavor.EqualsLiteral(kPNGImageMime) ||
 | |
|           flavor.EqualsLiteral(kGIFImageMime)) {
 | |
|         nsCOMPtr<nsIInputStream> stream;
 | |
| 
 | |
|         NS_NewCStringInputStream(
 | |
|             getter_AddRefs(stream),
 | |
|             nsDependentCSubstring(data.get<char>(), data.Size<char>()));
 | |
| 
 | |
|         rv = aTransferable->SetTransferData(flavor.get(), stream);
 | |
|         NS_ENSURE_SUCCESS(rv, rv);
 | |
|       } else if (flavor.EqualsLiteral(kNativeHTMLMime) ||
 | |
|                  flavor.EqualsLiteral(kRTFMime) ||
 | |
|                  flavor.EqualsLiteral(kCustomTypesMime)) {
 | |
|         nsCOMPtr<nsISupportsCString> dataWrapper =
 | |
|             do_CreateInstance(NS_SUPPORTS_CSTRING_CONTRACTID, &rv);
 | |
|         NS_ENSURE_SUCCESS(rv, rv);
 | |
| 
 | |
|         rv = dataWrapper->SetData(
 | |
|             nsDependentCSubstring(data.get<char>(), data.Size<char>()));
 | |
|         NS_ENSURE_SUCCESS(rv, rv);
 | |
| 
 | |
|         rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper);
 | |
|         NS_ENSURE_SUCCESS(rv, rv);
 | |
|       }
 | |
| 
 | |
|       mozilla::Unused << ContentChild::GetSingleton()->DeallocShmem(data);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return NS_OK;
 | |
| }
 | |
| 
 | |
| NS_IMETHODIMP
 | |
| nsClipboardProxy::EmptyClipboard(int32_t aWhichClipboard) {
 | |
|   ContentChild::GetSingleton()->SendEmptyClipboard(aWhichClipboard);
 | |
|   return NS_OK;
 | |
| }
 | |
| 
 | |
| NS_IMETHODIMP
 | |
| nsClipboardProxy::HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList,
 | |
|                                          int32_t aWhichClipboard,
 | |
|                                          bool* aHasType) {
 | |
|   *aHasType = false;
 | |
| 
 | |
|   ContentChild::GetSingleton()->SendClipboardHasType(aFlavorList,
 | |
|                                                      aWhichClipboard, aHasType);
 | |
| 
 | |
|   return NS_OK;
 | |
| }
 | |
| 
 | |
| NS_IMETHODIMP
 | |
| nsClipboardProxy::SupportsSelectionClipboard(bool* aIsSupported) {
 | |
|   *aIsSupported = mClipboardCaps.supportsSelectionClipboard();
 | |
|   return NS_OK;
 | |
| }
 | |
| 
 | |
| NS_IMETHODIMP
 | |
| nsClipboardProxy::SupportsFindClipboard(bool* aIsSupported) {
 | |
|   *aIsSupported = mClipboardCaps.supportsFindClipboard();
 | |
|   return NS_OK;
 | |
| }
 | |
| 
 | |
| void nsClipboardProxy::SetCapabilities(
 | |
|     const ClipboardCapabilities& aClipboardCaps) {
 | |
|   mClipboardCaps = aClipboardCaps;
 | |
| }
 |