widget/nsClipboardProxy.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "mozilla/dom/ContentChild.h"
   6 #include "mozilla/Unused.h"
   7 #include "nsArrayUtils.h"
   8 #include "nsClipboardProxy.h"
   9 #include "nsISupportsPrimitives.h"
  10 #include "nsCOMPtr.h"
  11 #include "nsComponentManagerUtils.h"
  12 #include "nsXULAppAPI.h"
  13 #include "nsContentUtils.h"
  14 #include "PermissionMessageUtils.h"
  15
  16 using namespace mozilla;
  17 using namespace mozilla::dom;
  18
  19 NS_IMPL_ISUPPORTS(nsClipboardProxy, nsIClipboard, nsIClipboardProxy)
  20
  21 nsClipboardProxy::nsClipboardProxy() : mClipboardCaps(false, false) {}
  22
  23 NS_IMETHODIMP
  24 nsClipboardProxy::SetData(nsITransferable* aTransferable,
  25                           nsIClipboardOwner* anOwner, int32_t aWhichClipboard) {
  26   ContentChild* child = ContentChild::GetSingleton();
  27
  28   IPCDataTransfer ipcDataTransfer;
  29   nsContentUtils::TransferableToIPCTransferable(aTransferable, &ipcDataTransfer,
  30                                                 false, child, nullptr);
  31
  32   bool isPrivateData = aTransferable->GetIsPrivateData();
  33   nsCOMPtr<nsIPrincipal> requestingPrincipal =
  34       aTransferable->GetRequestingPrincipal();
  35   nsContentPolicyType contentPolicyType = aTransferable->GetContentPolicyType();
  36   child->SendSetClipboard(ipcDataTransfer, isPrivateData,
  37                           IPC::Principal(requestingPrincipal),
  38                           contentPolicyType, aWhichClipboard);
  39
  40   return NS_OK;
  41 }
  42
  43 NS_IMETHODIMP
  44 nsClipboardProxy::GetData(nsITransferable* aTransferable,
  45                           int32_t aWhichClipboard) {
  46   nsTArray<nsCString> types;
  47   aTransferable->FlavorsTransferableCanImport(types);
  48
  49   IPCDataTransfer dataTransfer;
  50   ContentChild::GetSingleton()->SendGetClipboard(types, aWhichClipboard,
  51                                                  &dataTransfer);
  52   return nsContentUtils::IPCTransferableToTransferable(
  53       dataTransfer, false /* aAddDataFlavor */, aTransferable,
  54       ContentChild::GetSingleton());
  55 }
  56
  57 NS_IMETHODIMP
  58 nsClipboardProxy::EmptyClipboard(int32_t aWhichClipboard) {
  59   ContentChild::GetSingleton()->SendEmptyClipboard(aWhichClipboard);
  60   return NS_OK;
  61 }
  62
  63 NS_IMETHODIMP
  64 nsClipboardProxy::HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList,
  65                                          int32_t aWhichClipboard,
  66                                          bool* aHasType) {
  67   *aHasType = false;
  68
  69   ContentChild::GetSingleton()->SendClipboardHasType(aFlavorList,
  70                                                      aWhichClipboard, aHasType);
  71
  72   return NS_OK;
  73 }
  74
  75 NS_IMETHODIMP
  76 nsClipboardProxy::SupportsSelectionClipboard(bool* aIsSupported) {
  77   *aIsSupported = mClipboardCaps.supportsSelectionClipboard();
  78   return NS_OK;
  79 }
  80
  81 NS_IMETHODIMP
  82 nsClipboardProxy::SupportsFindClipboard(bool* aIsSupported) {
  83   *aIsSupported = mClipboardCaps.supportsFindClipboard();
  84   return NS_OK;
  85 }
  86
  87 void nsClipboardProxy::SetCapabilities(
  88     const ClipboardCapabilities& aClipboardCaps) {
  89   mClipboardCaps = aClipboardCaps;
  90 }