Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 261 insertions, 0 deletions

diff --git a/dom/ipc/PropertyBagUtils.cpp b/dom/ipc/PropertyBagUtils.cpp
new file mode 100644
index 0000000000..6c1b3e8fea
--- /dev/null
+++ b/dom/ipc/PropertyBagUtils.cpp
@@ -0,0 +1,261 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "PropertyBagUtils.h"
+
+#include "mozilla/SimpleEnumerator.h"
+#include "mozilla/dom/DOMTypes.h"
+#include "nsCOMPtr.h"
+#include "nsHashPropertyBag.h"
+#include "nsID.h"
+#include "nsIProperty.h"
+#include "nsIURI.h"
+#include "nsVariant.h"
+
+using namespace IPC;
+using namespace mozilla::dom;
+
+namespace mozilla::ipc {
+
+void IPDLParamTraits<nsIVariant*>::Write(MessageWriter* aWriter,
+                                         IProtocol* aActor,
+                                         nsIVariant* aParam) {
+  IDPLVariant variant;
+
+  variant.type() = aParam->GetDataType();
+
+  switch (variant.type()) {
+    case nsIDataType::VTYPE_INT8:
+    case nsIDataType::VTYPE_UINT8:
+    case nsIDataType::VTYPE_CHAR: {
+      uint8_t value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsUint8(&value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_WCHAR:
+    case nsIDataType::VTYPE_INT16: {
+      int16_t value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsInt16(&value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_UINT16: {
+      uint16_t value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsUint16(&value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_INT32: {
+      int32_t value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsInt32(&value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_UINT32: {
+      uint32_t value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsUint32(&value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_FLOAT: {
+      float value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsFloat(&value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_DOUBLE: {
+      double value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsDouble(&value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_BOOL: {
+      bool value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsBool(&value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_ID: {
+      nsID value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsID(&value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_ASTRING:
+    case nsIDataType::VTYPE_WCHAR_STR:
+    case nsIDataType::VTYPE_WSTRING_SIZE_IS: {
+      nsString value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsAString(value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_CSTRING:
+    case nsIDataType::VTYPE_CHAR_STR:
+    case nsIDataType::VTYPE_STRING_SIZE_IS:
+    case nsIDataType::VTYPE_UTF8STRING: {
+      nsCString value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsACString(value));
+      variant.data() = value;
+      break;
+    }
+    case nsIDataType::VTYPE_INTERFACE:
+    case nsIDataType::VTYPE_INTERFACE_IS: {
+      nsIID* iid;
+      nsCOMPtr<nsISupports> value;
+      MOZ_ALWAYS_SUCCEEDS(aParam->GetAsInterface(&iid, getter_AddRefs(value)));
+      free(iid);
+      // We only accept nsIURI and nsIPrincipal interface types, patch welcome.
+      if (nsCOMPtr<nsIURI> uri = do_QueryInterface(value)) {
+        variant.data() = uri;
+      } else if (nsCOMPtr<nsIPrincipal> principal = do_QueryInterface(value)) {
+        variant.data() = principal;
+      } else if (value) {
+        variant.type() = nsIDataType::VTYPE_EMPTY;
+        variant.data() = false;  // because we need something.
+      } else {
+        // Let's pretend like we had a null URI, though how do we know
+        // it wasn't a null principal?
+        variant.data() = (nsIURI*)nullptr;
+      }
+      break;
+    }
+    case nsIDataType::VTYPE_VOID:
+    case nsIDataType::VTYPE_EMPTY:
+      variant.data() = false;  // because we need something.
+      break;
+    default:
+      MOZ_CRASH("Non handled variant type, patch welcome");
+      break;
+  }
+  WriteIPDLParam(aWriter, aActor, variant);
+}
+
+bool IPDLParamTraits<nsIVariant*>::Read(MessageReader* aReader,
+                                        IProtocol* aActor,
+                                        RefPtr<nsIVariant>* aResult) {
+  IDPLVariant value;
+  if (!ReadIPDLParam(aReader, aActor, &value)) {
+    return false;
+  }
+
+  auto variant = MakeRefPtr<nsVariant>();
+
+  switch (value.type()) {
+    case nsIDataType::VTYPE_INT8:
+    case nsIDataType::VTYPE_UINT8:
+      if (value.type() == nsIDataType::VTYPE_INT8) {
+        variant->SetAsInt8(value.data().get_uint8_t());
+      } else {
+        variant->SetAsUint8(value.data().get_uint8_t());
+      }
+      break;
+    case nsIDataType::VTYPE_INT16:
+      variant->SetAsInt16(value.data().get_int16_t());
+      break;
+    case nsIDataType::VTYPE_INT32:
+      variant->SetAsInt32(value.data().get_int32_t());
+      break;
+    case nsIDataType::VTYPE_UINT16:
+      variant->SetAsUint16(value.data().get_uint16_t());
+      break;
+    case nsIDataType::VTYPE_UINT32:
+      variant->SetAsUint32(value.data().get_uint32_t());
+      break;
+    case nsIDataType::VTYPE_FLOAT:
+      variant->SetAsFloat(value.data().get_float());
+      break;
+    case nsIDataType::VTYPE_DOUBLE:
+      variant->SetAsDouble(value.data().get_double());
+      break;
+    case nsIDataType::VTYPE_BOOL:
+      variant->SetAsBool(value.data().get_bool());
+      break;
+    case nsIDataType::VTYPE_CHAR:
+      variant->SetAsChar(value.data().get_uint8_t());
+      break;
+    case nsIDataType::VTYPE_WCHAR:
+      variant->SetAsWChar(value.data().get_int16_t());
+      break;
+    case nsIDataType::VTYPE_ID:
+      variant->SetAsID(value.data().get_nsID());
+      break;
+    case nsIDataType::VTYPE_ASTRING:
+    case nsIDataType::VTYPE_WCHAR_STR:
+    case nsIDataType::VTYPE_WSTRING_SIZE_IS:
+      variant->SetAsAString(value.data().get_nsString());
+      break;
+    case nsIDataType::VTYPE_CSTRING:
+    case nsIDataType::VTYPE_CHAR_STR:
+    case nsIDataType::VTYPE_STRING_SIZE_IS:
+      variant->SetAsACString(value.data().get_nsCString());
+      break;
+    case nsIDataType::VTYPE_UTF8STRING:
+      variant->SetAsAUTF8String(value.data().get_nsCString());
+      break;
+    case nsIDataType::VTYPE_INTERFACE:
+    case nsIDataType::VTYPE_INTERFACE_IS:
+      if (value.data().type() == IPDLVariantValue::TnsIURI) {
+        variant->SetAsISupports(value.data().get_nsIURI());
+      } else if (value.data().type() == IPDLVariantValue::TnsIPrincipal) {
+        variant->SetAsISupports(value.data().get_nsIPrincipal());
+      } else {
+        MOZ_CRASH("Unexpected interface type");
+      }
+      break;
+    case nsIDataType::VTYPE_VOID:
+      variant->SetAsVoid();
+      break;
+    case nsIDataType::VTYPE_EMPTY:
+      break;
+    default:
+      MOZ_CRASH("Non handled variant type, patch welcome");
+      return false;
+  }
+  *aResult = std::move(variant);
+  return true;
+}
+
+void IPDLParamTraits<nsIPropertyBag2*>::Write(MessageWriter* aWriter,
+                                              IProtocol* aActor,
+                                              nsIPropertyBag2* aParam) {
+  // We send a nsIPropertyBag as an array of IPDLProperty
+  nsTArray<IPDLProperty> bag;
+
+  nsCOMPtr<nsISimpleEnumerator> enumerator;
+  if (aParam &&
+      NS_SUCCEEDED(aParam->GetEnumerator(getter_AddRefs(enumerator)))) {
+    for (auto& property : SimpleEnumerator<nsIProperty>(enumerator)) {
+      nsString name;
+      nsCOMPtr<nsIVariant> value;
+      MOZ_ALWAYS_SUCCEEDS(property->GetName(name));
+      MOZ_ALWAYS_SUCCEEDS(property->GetValue(getter_AddRefs(value)));
+      bag.AppendElement(IPDLProperty{name, value});
+    }
+  }
+  WriteIPDLParam(aWriter, aActor, bag);
+}
+
+bool IPDLParamTraits<nsIPropertyBag2*>::Read(MessageReader* aReader,
+                                             IProtocol* aActor,
+                                             RefPtr<nsIPropertyBag2>* aResult) {
+  nsTArray<IPDLProperty> bag;
+  if (!ReadIPDLParam(aReader, aActor, &bag)) {
+    return false;
+  }
+
+  auto properties = MakeRefPtr<nsHashPropertyBag>();
+
+  for (auto& entry : bag) {
+    nsCOMPtr<nsIVariant> variant = std::move(entry.value());
+    MOZ_ALWAYS_SUCCEEDS(
+        properties->SetProperty(std::move(entry.name()), variant));
+  }
+  *aResult = std::move(properties);
+  return true;
+}
+
+}  // namespace mozilla::ipc