From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 16:29:10 +0200
Subject: Adding upstream version 86.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 dom/events/RemoteDragStartData.cpp | 90 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 dom/events/RemoteDragStartData.cpp

(limited to 'dom/events/RemoteDragStartData.cpp')

diff --git a/dom/events/RemoteDragStartData.cpp b/dom/events/RemoteDragStartData.cpp
new file mode 100644
index 0000000000..b78fd3029e
--- /dev/null
+++ b/dom/events/RemoteDragStartData.cpp
@@ -0,0 +1,90 @@
+/* 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 "nsContentAreaDragDrop.h"
+#include "RemoteDragStartData.h"
+#include "nsContentUtils.h"
+#include "nsICookieJarSettings.h"
+#include "nsVariant.h"
+#include "mozilla/dom/BlobImpl.h"
+#include "mozilla/dom/BrowserParent.h"
+#include "mozilla/dom/IPCBlobUtils.h"
+#include "mozilla/dom/DOMTypes.h"
+#include "ProtocolUtils.h"
+
+using namespace mozilla::ipc;
+
+namespace mozilla::dom {
+
+RemoteDragStartData::~RemoteDragStartData() = default;
+
+RemoteDragStartData::RemoteDragStartData(
+    BrowserParent* aBrowserParent, nsTArray<IPCDataTransfer>&& aDataTransfer,
+    const LayoutDeviceIntRect& aRect, nsIPrincipal* aPrincipal,
+    nsIContentSecurityPolicy* aCsp, nsICookieJarSettings* aCookieJarSettings)
+    : mBrowserParent(aBrowserParent),
+      mDataTransfer(std::move(aDataTransfer)),
+      mRect(aRect),
+      mPrincipal(aPrincipal),
+      mCsp(aCsp),
+      mCookieJarSettings(aCookieJarSettings) {}
+
+void RemoteDragStartData::AddInitialDnDDataTo(
+    DataTransfer* aDataTransfer, nsIPrincipal** aPrincipal,
+    nsIContentSecurityPolicy** aCsp,
+    nsICookieJarSettings** aCookieJarSettings) {
+  NS_IF_ADDREF(*aPrincipal = mPrincipal);
+  NS_IF_ADDREF(*aCsp = mCsp);
+  NS_IF_ADDREF(*aCookieJarSettings = mCookieJarSettings);
+
+  for (uint32_t i = 0; i < mDataTransfer.Length(); ++i) {
+    nsTArray<IPCDataTransferItem>& itemArray = mDataTransfer[i].items();
+    for (auto& item : itemArray) {
+      RefPtr<nsVariantCC> variant = new nsVariantCC();
+      // Special case kFilePromiseMime so that we get the right
+      // nsIFlavorDataProvider for it.
+      if (item.flavor().EqualsLiteral(kFilePromiseMime)) {
+        RefPtr<nsISupports> flavorDataProvider =
+            new nsContentAreaDragDropDataProvider();
+        variant->SetAsISupports(flavorDataProvider);
+      } else if (item.data().type() == IPCDataTransferData::TnsString) {
+        variant->SetAsAString(item.data().get_nsString());
+      } else if (item.data().type() == IPCDataTransferData::TIPCBlob) {
+        RefPtr<BlobImpl> impl =
+            IPCBlobUtils::Deserialize(item.data().get_IPCBlob());
+        variant->SetAsISupports(impl);
+      } else if (item.data().type() == IPCDataTransferData::TShmem) {
+        if (nsContentUtils::IsFlavorImage(item.flavor())) {
+          // An image! Get the imgIContainer for it and set it in the variant.
+          nsCOMPtr<imgIContainer> imageContainer;
+          nsresult rv = nsContentUtils::DataTransferItemToImage(
+              item, getter_AddRefs(imageContainer));
+          if (NS_FAILED(rv)) {
+            continue;
+          }
+          variant->SetAsISupports(imageContainer);
+        } else {
+          Shmem data = item.data().get_Shmem();
+          variant->SetAsACString(
+              nsDependentCSubstring(data.get<char>(), data.Size<char>()));
+        }
+
+        mozilla::Unused << mBrowserParent->DeallocShmem(
+            item.data().get_Shmem());
+      }
+
+      // We set aHidden to false, as we don't need to worry about hiding data
+      // from content in the parent process where there is no content.
+      aDataTransfer->SetDataWithPrincipalFromOtherProcess(
+          NS_ConvertUTF8toUTF16(item.flavor()), variant, i, mPrincipal,
+          /* aHidden = */ false);
+    }
+  }
+
+  // Clear things that are no longer needed.
+  mDataTransfer.Clear();
+  mPrincipal = nullptr;
+}
+
+}  // namespace mozilla::dom
-- 
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