1 files changed, 182 insertions, 0 deletions
diff --git a/widget/android/nsClipboard.cpp b/widget/android/nsClipboard.cpp
new file mode 100644
index 0000000000..37bec159d0
--- /dev/null
+++ b/widget/android/nsClipboard.cpp
@@ -0,0 +1,182 @@
+/* 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/java/ClipboardWrappers.h"
+#include "mozilla/java/GeckoAppShellWrappers.h"
+#include "nsClipboard.h"
+#include "nsISupportsPrimitives.h"
+#include "nsCOMPtr.h"
+#include "nsComponentManagerUtils.h"
+#include "nsPrimitiveHelpers.h"
+
+using namespace mozilla;
+
+NS_IMPL_ISUPPORTS_INHERITED0(nsClipboard, ClipboardSetDataHelper)
+
+/* The Android clipboard only supports text and doesn't support mime types
+ * so we assume all clipboard data is text/plain for now. Documentation
+ * indicates that support for other data types is planned for future
+ * releases.
+ */
+
+NS_IMETHODIMP
+nsClipboard::SetNativeClipboardData(nsITransferable* aTransferable,
+                                    nsIClipboardOwner* aOwner,
+                                    int32_t aWhichClipboard) {
+  if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
+
+  if (!jni::IsAvailable()) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  nsTArray<nsCString> flavors;
+  aTransferable->FlavorsTransferableCanImport(flavors);
+
+  nsAutoString html;
+  nsAutoString text;
+
+  for (auto& flavorStr : flavors) {
+    if (flavorStr.EqualsLiteral(kTextMime)) {
+      nsCOMPtr<nsISupports> item;
+      nsresult rv =
+          aTransferable->GetTransferData(kTextMime, getter_AddRefs(item));
+      if (NS_WARN_IF(NS_FAILED(rv))) {
+        continue;
+      }
+      nsCOMPtr<nsISupportsString> supportsString = do_QueryInterface(item);
+      if (supportsString) {
+        supportsString->GetData(text);
+      }
+    } else if (flavorStr.EqualsLiteral(kHTMLMime)) {
+      nsCOMPtr<nsISupports> item;
+      nsresult rv =
+          aTransferable->GetTransferData(kHTMLMime, getter_AddRefs(item));
+      if (NS_WARN_IF(NS_FAILED(rv))) {
+        continue;
+      }
+      nsCOMPtr<nsISupportsString> supportsString = do_QueryInterface(item);
+      if (supportsString) {
+        supportsString->GetData(html);
+      }
+    }
+  }
+
+  if (!html.IsEmpty() &&
+      java::Clipboard::SetHTML(java::GeckoAppShell::GetApplicationContext(),
+                               text, html)) {
+    return NS_OK;
+  }
+  if (!text.IsEmpty() &&
+      java::Clipboard::SetText(java::GeckoAppShell::GetApplicationContext(),
+                               text)) {
+    return NS_OK;
+  }
+
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsClipboard::GetData(nsITransferable* aTransferable, int32_t aWhichClipboard) {
+  if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
+
+  if (!jni::IsAvailable()) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  nsTArray<nsCString> flavors;
+  aTransferable->FlavorsTransferableCanImport(flavors);
+
+  for (auto& flavorStr : flavors) {
+    if (flavorStr.EqualsLiteral(kTextMime) ||
+        flavorStr.EqualsLiteral(kHTMLMime)) {
+      auto text = java::Clipboard::GetData(
+          java::GeckoAppShell::GetApplicationContext(), flavorStr);
+      if (!text) {
+        continue;
+      }
+      nsString buffer = text->ToString();
+      if (buffer.IsEmpty()) {
+        continue;
+      }
+      nsCOMPtr<nsISupports> wrapper;
+      nsPrimitiveHelpers::CreatePrimitiveForData(flavorStr, buffer.get(),
+                                                 buffer.Length() * 2,
+                                                 getter_AddRefs(wrapper));
+      if (wrapper) {
+        aTransferable->SetTransferData(flavorStr.get(), wrapper);
+        return NS_OK;
+      }
+    }
+  }
+
+  return NS_ERROR_FAILURE;
+}
+
+RefPtr<GenericPromise> nsClipboard::AsyncGetData(nsITransferable* aTransferable,
+                                                 int32_t aWhichClipboard) {
+  nsresult rv = GetData(aTransferable, aWhichClipboard);
+  if (NS_FAILED(rv)) {
+    return GenericPromise::CreateAndReject(rv, __func__);
+  }
+
+  return GenericPromise::CreateAndResolve(true, __func__);
+}
+
+NS_IMETHODIMP
+nsClipboard::EmptyClipboard(int32_t aWhichClipboard) {
+  if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
+
+  if (!jni::IsAvailable()) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  java::Clipboard::ClearText(java::GeckoAppShell::GetApplicationContext());
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsClipboard::HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList,
+                                    int32_t aWhichClipboard, bool* aHasText) {
+  *aHasText = false;
+  if (aWhichClipboard != kGlobalClipboard) return NS_ERROR_NOT_IMPLEMENTED;
+
+  if (!jni::IsAvailable()) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  for (auto& flavor : aFlavorList) {
+    bool hasData =
+        java::Clipboard::HasData(java::GeckoAppShell::GetApplicationContext(),
+                                 NS_ConvertASCIItoUTF16(flavor));
+    if (hasData) {
+      *aHasText = true;
+      return NS_OK;
+    }
+  }
+
+  return NS_OK;
+}
+
+RefPtr<DataFlavorsPromise> nsClipboard::AsyncHasDataMatchingFlavors(
+    const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard) {
+  nsTArray<nsCString> results;
+  for (const auto& flavor : aFlavorList) {
+    bool hasMatchingFlavor = false;
+    nsresult rv = HasDataMatchingFlavors(AutoTArray<nsCString, 1>{flavor},
+                                         aWhichClipboard, &hasMatchingFlavor);
+    if (NS_SUCCEEDED(rv) && hasMatchingFlavor) {
+      results.AppendElement(flavor);
+    }
+  }
+
+  return DataFlavorsPromise::CreateAndResolve(std::move(results), __func__);
+}
+
+NS_IMETHODIMP
+nsClipboard::IsClipboardTypeSupported(int32_t aWhichClipboard, bool* _retval) {
+  NS_ENSURE_ARG_POINTER(_retval);
+  *_retval = kGlobalClipboard == aWhichClipboard;
+  return NS_OK;
+}