microsoft · sbuggay · Feb 3, 2025
@@ -0,0 +1,70 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#pragma once
+
+#include <react/renderer/components/view/BaseTouch.h>
+
+namespace facebook::react {
+
+class HostPlatformTouch : public BaseTouch {
+ public:
+  /*
+   * The button indicating which pointer is used.
+   */
+  int button;
+
+  /*
+   * The pointer type indicating the device type (e.g., mouse, pen, touch)
+   */
+  std::string pointerType;
+
+  /*
+   * A flag indicating if the alt key is pressed.
+   */
+  bool altKey;
+
+  /*
+   * A flag indicating if the control key is pressed.
+   */
+  bool ctrlKey;
+
+  /*
+   * A flag indicating if the shift key is pressed.
+   */
+  bool shiftKey;
+
+  /*
+   * A flag indicating if the shift key is pressed.
+   */
+  bool metaKey;
+
+  /*
+   * Windows-specific timestamp field. We can't use the shared BaseTouch
+   * timestamp field beacuse it's a float and lacks sufficient resolution.
+   */
+  double pointerTimestamp;
+};
+
+inline static void setTouchPayloadOnObject(
+    jsi::Object& object,
+    jsi::Runtime& runtime,
+    const HostPlatformTouch& touch) {
+  object.setProperty(runtime, "locationX", touch.offsetPoint.x);
+  object.setProperty(runtime, "locationY", touch.offsetPoint.y);
+  object.setProperty(runtime, "pageX", touch.pagePoint.x);
+  object.setProperty(runtime, "pageY", touch.pagePoint.y);
+  object.setProperty(runtime, "screenX", touch.screenPoint.x);
+  object.setProperty(runtime, "screenY", touch.screenPoint.y);
+  object.setProperty(runtime, "identifier", touch.identifier);
+  object.setProperty(runtime, "target", touch.target);
+  object.setProperty(runtime, "timestamp", touch.pointerTimestamp);
+  object.setProperty(runtime, "force", touch.force);
+  object.setProperty(runtime, "button", touch.button);
+  object.setProperty(runtime, "altKey", touch.altKey);
+  object.setProperty(runtime, "ctrlKey", touch.ctrlKey);
+  object.setProperty(runtime, "shiftKey", touch.shiftKey);
+  object.setProperty(runtime, "metaKey", touch.metaKey);
+};
+
+} // namespace facebook::react
@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include "HostPlatformViewEventEmitter.h"
+
+namespace facebook::react {
+
+#pragma mark - Keyboard Events
+
+static jsi::Value keyEventPayload(
+    jsi::Runtime& runtime,
+    const KeyEvent& event) {
+  auto payload = jsi::Object(runtime);
+  payload.setProperty(
+      runtime, "key", jsi::String::createFromUtf8(runtime, event.key));
+  payload.setProperty(runtime, "ctrlKey", event.ctrlKey);
+  payload.setProperty(runtime, "shiftKey", event.shiftKey);
+  payload.setProperty(runtime, "altKey", event.altKey);
+  payload.setProperty(runtime, "metaKey", event.metaKey);
+  payload.setProperty(runtime, "capsLockKey", event.capsLockKey);
+  payload.setProperty(runtime, "numericPadKey", event.numericPadKey);
+  payload.setProperty(runtime, "helpKey", event.helpKey);
+  payload.setProperty(runtime, "functionKey", event.functionKey);
+  return payload;
+};
+
+void HostPlatformViewEventEmitter::onKeyDown(const KeyEvent& keyEvent) const {
+  dispatchEvent("keyDown", [keyEvent](jsi::Runtime& runtime) {
+    return keyEventPayload(runtime, keyEvent);
+  });
+}
+
+void HostPlatformViewEventEmitter::onKeyUp(const KeyEvent& keyEvent) const {
+  dispatchEvent("keyUp", [keyEvent](jsi::Runtime& runtime) {
+    return keyEventPayload(runtime, keyEvent);
+  });
+}
+
+#pragma mark - Mouse Events
+
+static jsi::Object mouseEventPayload(
+    jsi::Runtime& runtime,
+    const MouseEvent& event) {
+  auto payload = jsi::Object(runtime);
+  payload.setProperty(runtime, "clientX", event.clientX);
+  payload.setProperty(runtime, "clientY", event.clientY);
+  payload.setProperty(runtime, "screenX", event.screenX);
+  payload.setProperty(runtime, "screenY", event.screenY);
+  payload.setProperty(runtime, "altKey", event.altKey);
+  payload.setProperty(runtime, "ctrlKey", event.ctrlKey);
+  payload.setProperty(runtime, "shiftKey", event.shiftKey);
+  payload.setProperty(runtime, "metaKey", event.metaKey);
+  return payload;
+};
+
+void HostPlatformViewEventEmitter::onMouseEnter(
+    const MouseEvent& mouseEvent) const {
+  dispatchEvent("mouseEnter", [mouseEvent](jsi::Runtime& runtime) {
+    return mouseEventPayload(runtime, mouseEvent);
+  });
+}
+
+void HostPlatformViewEventEmitter::onMouseLeave(
+    const MouseEvent& mouseEvent) const {
+  dispatchEvent("mouseLeave", [mouseEvent](jsi::Runtime& runtime) {
+    return mouseEventPayload(runtime, mouseEvent);
+  });
+}
+
+void HostPlatformViewEventEmitter::onDoubleClick(
+    const MouseEvent& mouseEvent) const {
+  dispatchEvent("doubleClick", [mouseEvent](jsi::Runtime& runtime) {
+    return mouseEventPayload(runtime, mouseEvent);
+  });
+}
+
+#pragma mark - Drag and Drop Events
+
+static jsi::Value dataTransferPayload(
+    jsi::Runtime& runtime,
+    const std::vector<DataTransferItem>& dataTransferItems) {
+  auto filesArray = jsi::Array(runtime, dataTransferItems.size());
+  auto itemsArray = jsi::Array(runtime, dataTransferItems.size());
+  auto typesArray = jsi::Array(runtime, dataTransferItems.size());
+  int i = 0;
+  for (const auto& transferItem : dataTransferItems) {
+    auto fileObject = jsi::Object(runtime);
+    fileObject.setProperty(runtime, "name", transferItem.name);
+    fileObject.setProperty(runtime, "type", transferItem.type);
+    fileObject.setProperty(runtime, "uri", transferItem.uri);
+    if (transferItem.size.has_value()) {
+      fileObject.setProperty(runtime, "size", *transferItem.size);
+    }
+    if (transferItem.width.has_value()) {
+      fileObject.setProperty(runtime, "width", *transferItem.width);
+    }
+    if (transferItem.height.has_value()) {
+      fileObject.setProperty(runtime, "height", *transferItem.height);
+    }
+    filesArray.setValueAtIndex(runtime, i, fileObject);
+
+    auto itemObject = jsi::Object(runtime);
+    itemObject.setProperty(runtime, "kind", transferItem.kind);
+    itemObject.setProperty(runtime, "type", transferItem.type);
+    itemsArray.setValueAtIndex(runtime, i, itemObject);
+
+    typesArray.setValueAtIndex(runtime, i, transferItem.type);
+    i++;
+  }
+
+  auto dataTransferObject = jsi::Object(runtime);
+  dataTransferObject.setProperty(runtime, "files", filesArray);
+  dataTransferObject.setProperty(runtime, "items", itemsArray);
+  dataTransferObject.setProperty(runtime, "types", typesArray);
+
+  return dataTransferObject;
+}
+
+static jsi::Value dragEventPayload(
+    jsi::Runtime& runtime,
+    const DragEvent& event) {
+  auto payload = mouseEventPayload(runtime, event);
+  auto dataTransferObject =
+      dataTransferPayload(runtime, event.dataTransferItems);
+  payload.setProperty(runtime, "dataTransfer", dataTransferObject);
+  return payload;
+}
+
+void HostPlatformViewEventEmitter::onDragEnter(
+    const DragEvent& dragEvent) const {
+  dispatchEvent("dragEnter", [dragEvent](jsi::Runtime& runtime) {
+    return dragEventPayload(runtime, dragEvent);
+  });
+}
+
+void HostPlatformViewEventEmitter::onDragLeave(
+    const DragEvent& dragEvent) const {
+  dispatchEvent("dragLeave", [dragEvent](jsi::Runtime& runtime) {
+    return dragEventPayload(runtime, dragEvent);
+  });
+}
+
+void HostPlatformViewEventEmitter::onDrop(const DragEvent& dragEvent) const {
+  dispatchEvent("drop", [dragEvent](jsi::Runtime& runtime) {
+    return dragEventPayload(runtime, dragEvent);
+  });
+}
+
+#pragma mark - Focus Events
+
+void HostPlatformViewEventEmitter::onFocus() const {
+  dispatchEvent("focus");
+}
+
+void HostPlatformViewEventEmitter::onBlur() const {
+  dispatchEvent("blur");
+}
+
+} // namespace facebook::react
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include <react/renderer/components/view/BaseViewEventEmitter.h>
+#include "KeyEvent.h"
+#include "MouseEvent.h"
+
+namespace facebook::react {
+
+class HostPlatformViewEventEmitter : public BaseViewEventEmitter {
+ public:
+  using BaseViewEventEmitter::BaseViewEventEmitter;
+
+#pragma mark - Keyboard Events
+
+  void onKeyDown(const KeyEvent& keyEvent) const;
+  void onKeyUp(const KeyEvent& keyEvent) const;
+
+#pragma mark - Mouse Events
+
+  void onMouseEnter(const MouseEvent& mouseEvent) const;
+  void onMouseLeave(const MouseEvent& mouseEvent) const;
+  void onDoubleClick(const MouseEvent& mouseEvent) const;
+
+#pragma mark - Drag and Drop Events
+
+  void onDragEnter(const DragEvent& dragEvent) const;
+  void onDragLeave(const DragEvent& dragEvent) const;
+  void onDrop(const DragEvent& dragEvent) const;
+
+#pragma mark - Focus Events
+
+  void onFocus() const;
+  void onBlur() const;
+};
+
+} // namespace facebook::react
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include <react/renderer/core/PropsParserContext.h>
+#include <react/renderer/core/propsConversions.h>
+#include <array>
+#include <bitset>
+#include <cmath>
+#include <optional>
+
+namespace facebook::react {
+
+struct HostPlatformViewEvents {
+  std::bitset<32> bits{};
+
+  enum class Offset : std::size_t {
+    // Keyboard Events
+    KeyDown = 1,
+    KeyUp = 2,
+
+    // Mouse Events
+    MouseEnter = 3,
+    MouseLeave = 4,
+    DoubleClick = 5,
+  };
+
+  constexpr bool operator[](const Offset offset) const {
+    return bits[static_cast<std::size_t>(offset)];
+  }
+
+  std::bitset<32>::reference operator[](const Offset offset) {
+    return bits[static_cast<std::size_t>(offset)];
+  }
+};
+
+inline static bool operator==(
+    const HostPlatformViewEvents& lhs,
+    const HostPlatformViewEvents& rhs) {
+  return lhs.bits == rhs.bits;
+}
+
+inline static bool operator!=(
+    const HostPlatformViewEvents& lhs,
+    const HostPlatformViewEvents& rhs) {
+  return lhs.bits != rhs.bits;
+}
+
+static inline HostPlatformViewEvents convertRawProp(
+    const PropsParserContext& context,
+    const RawProps& rawProps,
+    const HostPlatformViewEvents& sourceValue,
+    const HostPlatformViewEvents& defaultValue) {
+  HostPlatformViewEvents result{};
+  using Offset = HostPlatformViewEvents::Offset;
+
+  result[Offset::KeyDown] = convertRawProp(
+      context,
+      rawProps,
+      "onKeyDown",
+      sourceValue[Offset::KeyDown],
+      defaultValue[Offset::KeyDown]);
+  result[Offset::KeyUp] = convertRawProp(
+      context,
+      rawProps,
+      "onKeyUp",
+      sourceValue[Offset::KeyUp],
+      defaultValue[Offset::KeyUp]);
+
+  result[Offset::MouseEnter] = convertRawProp(
+      context,
+      rawProps,
+      "onMouseEnter",
+      sourceValue[Offset::MouseEnter],
+      defaultValue[Offset::MouseEnter]);
+  result[Offset::MouseLeave] = convertRawProp(
+      context,
+      rawProps,
+      "onMouseLeave",
+      sourceValue[Offset::MouseLeave],
+      defaultValue[Offset::MouseLeave]);
+
+  result[Offset::DoubleClick] = convertRawProp(
+      context,
+      rawProps,
+      "onDoubleClick",
+      sourceValue[Offset::DoubleClick],
+      defaultValue[Offset::DoubleClick]);
+
+  return result;
+}
+
+} // namespace facebook::react