From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 widget/nsClipboardProxy.cpp | 169 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 169 insertions(+)
 create mode 100644 widget/nsClipboardProxy.cpp

(limited to 'widget/nsClipboardProxy.cpp')

diff --git a/widget/nsClipboardProxy.cpp b/widget/nsClipboardProxy.cpp
new file mode 100644
index 0000000000..f7d863475b
--- /dev/null
+++ b/widget/nsClipboardProxy.cpp
@@ -0,0 +1,169 @@
+/* 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 = false;
+  aTransferable->GetIsPrivateData(&isPrivateData);
+  nsCOMPtr<nsIPrincipal> requestingPrincipal;
+  aTransferable->GetRequestingPrincipal(getter_AddRefs(requestingPrincipal));
+  child->SendSetClipboard(ipcDataTransfer, isPrivateData,
+                          IPC::Principal(requestingPrincipal), aWhichClipboard);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsClipboardProxy::GetData(nsITransferable *aTransferable, int32_t aWhichClipboard)
+{
+   nsTArray<nsCString> types;
+  
+  nsCOMPtr<nsIArray> flavorList;
+  aTransferable->FlavorsTransferableCanImport(getter_AddRefs(flavorList));
+  if (flavorList) {
+    uint32_t flavorCount = 0;
+    flavorList->GetLength(&flavorCount);
+    for (uint32_t j = 0; j < flavorCount; ++j) {
+      nsCOMPtr<nsISupportsCString> flavor = do_QueryElementAt(flavorList, j);
+      if (flavor) {
+        nsAutoCString flavorStr;
+        flavor->GetData(flavorStr);
+        if (flavorStr.Length()) {
+          types.AppendElement(flavorStr);
+        }
+      }
+    }
+  }
+
+  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);
+
+      nsString data = item.data().get_nsString();
+      rv = dataWrapper->SetData(data);
+      NS_ENSURE_SUCCESS(rv, rv);
+
+      rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper,
+                                          data.Length() * sizeof(char16_t));
+      NS_ENSURE_SUCCESS(rv, rv);
+    } else if (item.data().type() == IPCDataTransferData::TShmem) {
+      // If this is an image, convert it into an nsIInputStream.
+      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),
+                                 nsDependentCString(data.get<char>(), data.Size<char>()));
+
+        rv = aTransferable->SetTransferData(flavor.get(), stream, sizeof(nsISupports*));
+        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(nsDependentCString(data.get<char>(), data.Size<char>()));
+        NS_ENSURE_SUCCESS(rv, rv);
+
+        rv = aTransferable->SetTransferData(item.flavor().get(), dataWrapper,
+                                            data.Size<char>());
+        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 char **aFlavorList,
+                                         uint32_t aLength, int32_t aWhichClipboard,
+                                         bool *aHasType)
+{
+  *aHasType = false;
+
+  nsTArray<nsCString> types;
+  nsCString* t = types.AppendElements(aLength);
+  for (uint32_t j = 0; j < aLength; ++j) {
+    t[j].Rebind(aFlavorList[j], nsCharTraits<char>::length(aFlavorList[j]));
+  }
+
+  ContentChild::GetSingleton()->SendClipboardHasType(types, 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;
+}
-- 
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