1 files changed, 75 insertions, 0 deletions
diff --git a/gfx/layers/apz/util/InputAPZContext.cpp b/gfx/layers/apz/util/InputAPZContext.cpp
new file mode 100644
index 0000000000..b1af5c3118
--- /dev/null
+++ b/gfx/layers/apz/util/InputAPZContext.cpp
@@ -0,0 +1,75 @@
+/* -*- 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 "InputAPZContext.h"
+
+namespace mozilla {
+namespace layers {
+
+ScrollableLayerGuid InputAPZContext::sGuid;
+uint64_t InputAPZContext::sBlockId = 0;
+nsEventStatus InputAPZContext::sApzResponse = nsEventStatus_eSentinel;
+bool InputAPZContext::sPendingLayerization = false;
+bool InputAPZContext::sRoutedToChildProcess = false;
+bool InputAPZContext::sDropped = false;
+
+/*static*/
+ScrollableLayerGuid InputAPZContext::GetTargetLayerGuid() { return sGuid; }
+
+/*static*/
+uint64_t InputAPZContext::GetInputBlockId() { return sBlockId; }
+
+/*static*/
+nsEventStatus InputAPZContext::GetApzResponse() { return sApzResponse; }
+
+/*static*/
+bool InputAPZContext::HavePendingLayerization() { return sPendingLayerization; }
+
+/*static*/
+bool InputAPZContext::WasRoutedToChildProcess() {
+  return sRoutedToChildProcess;
+}
+
+/*static*/
+bool InputAPZContext::WasDropped() { return sDropped; }
+
+InputAPZContext::InputAPZContext(const ScrollableLayerGuid& aGuid,
+                                 const uint64_t& aBlockId,
+                                 const nsEventStatus& aApzResponse,
+                                 bool aPendingLayerization)
+    : mOldGuid(sGuid),
+      mOldBlockId(sBlockId),
+      mOldApzResponse(sApzResponse),
+      mOldPendingLayerization(sPendingLayerization),
+      mOldRoutedToChildProcess(sRoutedToChildProcess),
+      mOldDropped(sDropped) {
+  sGuid = aGuid;
+  sBlockId = aBlockId;
+  sApzResponse = aApzResponse;
+  sPendingLayerization = aPendingLayerization;
+  sRoutedToChildProcess = false;
+  sDropped = false;
+}
+
+InputAPZContext::~InputAPZContext() {
+  sGuid = mOldGuid;
+  sBlockId = mOldBlockId;
+  sApzResponse = mOldApzResponse;
+  sPendingLayerization = mOldPendingLayerization;
+  sRoutedToChildProcess = mOldRoutedToChildProcess;
+  sDropped = mOldDropped;
+}
+
+/*static*/
+void InputAPZContext::SetRoutedToChildProcess() {
+  sRoutedToChildProcess = true;
+}
+
+/*static*/
+void InputAPZContext::SetDropped() { sDropped = true; }
+
+}  // namespace layers
+}  // namespace mozilla