Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 181 insertions, 0 deletions

diff --git a/widget/nsClipboardProxy.cpp b/widget/nsClipboardProxy.cpp
new file mode 100644
index 0000000000..04e5cdc7d5
--- /dev/null
+++ b/widget/nsClipboardProxy.cpp
@@ -0,0 +1,181 @@
+/* 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 "nsClipboardProxy.h"
+
+#if defined(ACCESSIBILITY) && defined(XP_WIN)
+#  include "mozilla/a11y/Compatibility.h"
+#endif
+#include "mozilla/ClipboardWriteRequestChild.h"
+#include "mozilla/dom/ContentChild.h"
+#include "mozilla/net/CookieJarSettings.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/Unused.h"
+#include "nsArrayUtils.h"
+#include "nsISupportsPrimitives.h"
+#include "nsCOMPtr.h"
+#include "nsComponentManagerUtils.h"
+#include "nsXULAppAPI.h"
+#include "nsContentUtils.h"
+#include "PermissionMessageUtils.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+NS_IMPL_ISUPPORTS(nsClipboardProxy, nsIClipboard, nsIClipboardProxy)
+
+nsClipboardProxy::nsClipboardProxy() : mClipboardCaps(false, false, false) {}
+
+NS_IMETHODIMP
+nsClipboardProxy::SetData(nsITransferable* aTransferable,
+                          nsIClipboardOwner* anOwner, int32_t aWhichClipboard) {
+#if defined(ACCESSIBILITY) && defined(XP_WIN)
+  a11y::Compatibility::SuppressA11yForClipboardCopy();
+#endif
+
+  ContentChild* child = ContentChild::GetSingleton();
+  IPCTransferable ipcTransferable;
+  nsContentUtils::TransferableToIPCTransferable(aTransferable, &ipcTransferable,
+                                                false, nullptr);
+  child->SendSetClipboard(std::move(ipcTransferable), aWhichClipboard);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsClipboardProxy::AsyncSetData(
+    int32_t aWhichClipboard, nsIAsyncSetClipboardDataCallback* aCallback,
+    nsIAsyncSetClipboardData** _retval) {
+  RefPtr<ClipboardWriteRequestChild> request =
+      MakeRefPtr<ClipboardWriteRequestChild>(aCallback);
+  ContentChild::GetSingleton()->SendPClipboardWriteRequestConstructor(
+      request, aWhichClipboard);
+  request.forget(_retval);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsClipboardProxy::GetData(nsITransferable* aTransferable,
+                          int32_t aWhichClipboard) {
+  nsTArray<nsCString> types;
+  aTransferable->FlavorsTransferableCanImport(types);
+
+  IPCTransferableData transferable;
+  ContentChild::GetSingleton()->SendGetClipboard(types, aWhichClipboard,
+                                                 &transferable);
+  return nsContentUtils::IPCTransferableDataToTransferable(
+      transferable, false /* aAddDataFlavor */, aTransferable,
+      false /* aFilterUnknownFlavors */);
+}
+
+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::IsClipboardTypeSupported(int32_t aWhichClipboard,
+                                           bool* aIsSupported) {
+  switch (aWhichClipboard) {
+    case kGlobalClipboard:
+      // We always support the global clipboard.
+      *aIsSupported = true;
+      return NS_OK;
+    case kSelectionClipboard:
+      *aIsSupported = mClipboardCaps.supportsSelectionClipboard();
+      return NS_OK;
+    case kFindClipboard:
+      *aIsSupported = mClipboardCaps.supportsFindClipboard();
+      return NS_OK;
+    case kSelectionCache:
+      *aIsSupported = mClipboardCaps.supportsSelectionCache();
+      return NS_OK;
+  }
+
+  *aIsSupported = false;
+  return NS_OK;
+}
+
+void nsClipboardProxy::SetCapabilities(
+    const ClipboardCapabilities& aClipboardCaps) {
+  mClipboardCaps = aClipboardCaps;
+}
+
+RefPtr<DataFlavorsPromise> nsClipboardProxy::AsyncHasDataMatchingFlavors(
+    const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard) {
+  auto promise = MakeRefPtr<DataFlavorsPromise::Private>(__func__);
+  ContentChild::GetSingleton()
+      ->SendClipboardHasTypesAsync(aFlavorList, aWhichClipboard)
+      ->Then(
+          GetMainThreadSerialEventTarget(), __func__,
+          /* resolve */
+          [promise](nsTArray<nsCString> types) {
+            promise->Resolve(std::move(types), __func__);
+          },
+          /* reject */
+          [promise](mozilla::ipc::ResponseRejectReason aReason) {
+            promise->Reject(NS_ERROR_FAILURE, __func__);
+          });
+
+  return promise.forget();
+}
+
+RefPtr<GenericPromise> nsClipboardProxy::AsyncGetData(
+    nsITransferable* aTransferable, int32_t aWhichClipboard) {
+  if (!aTransferable) {
+    return GenericPromise::CreateAndReject(NS_ERROR_FAILURE, __func__);
+  }
+
+  // Get a list of flavors this transferable can import
+  nsTArray<nsCString> flavors;
+  nsresult rv = aTransferable->FlavorsTransferableCanImport(flavors);
+  if (NS_FAILED(rv)) {
+    return GenericPromise::CreateAndReject(rv, __func__);
+  }
+
+  nsCOMPtr<nsITransferable> transferable(aTransferable);
+  auto promise = MakeRefPtr<GenericPromise::Private>(__func__);
+  ContentChild::GetSingleton()
+      ->SendGetClipboardAsync(flavors, aWhichClipboard)
+      ->Then(
+          GetMainThreadSerialEventTarget(), __func__,
+          /* resolve */
+          [promise, transferable](
+              const IPCTransferableDataOrError& ipcTransferableDataOrError) {
+            if (ipcTransferableDataOrError.type() ==
+                IPCTransferableDataOrError::Tnsresult) {
+              promise->Reject(ipcTransferableDataOrError.get_nsresult(),
+                              __func__);
+              return;
+            }
+
+            nsresult rv = nsContentUtils::IPCTransferableDataToTransferable(
+                ipcTransferableDataOrError.get_IPCTransferableData(),
+                false /* aAddDataFlavor */, transferable,
+                false /* aFilterUnknownFlavors */);
+            if (NS_FAILED(rv)) {
+              promise->Reject(rv, __func__);
+              return;
+            }
+
+            promise->Resolve(true, __func__);
+          },
+          /* reject */
+          [promise](mozilla::ipc::ResponseRejectReason aReason) {
+            promise->Reject(NS_ERROR_FAILURE, __func__);
+          });
+
+  return promise.forget();
+}