diff --git a/libs/gui/WindowInfo.cpp b/libs/gui/WindowInfo.cpp
new file mode 100644
index 0000000..ff0bb8a
--- /dev/null
+++ b/libs/gui/WindowInfo.cpp
@@ -0,0 +1,223 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <type_traits>
+#define LOG_TAG "WindowInfo"
+#define LOG_NDEBUG 0
+
+#include <android-base/stringprintf.h>
+#include <binder/Parcel.h>
+#include <gui/WindowInfo.h>
+
+#include <log/log.h>
+
+namespace android::gui {
+
+// --- WindowInfo ---
+void WindowInfo::addTouchableRegion(const Rect& region) {
+    touchableRegion.orSelf(region);
+}
+
+bool WindowInfo::touchableRegionContainsPoint(int32_t x, int32_t y) const {
+    return touchableRegion.contains(x, y);
+}
+
+bool WindowInfo::frameContainsPoint(int32_t x, int32_t y) const {
+    return x >= frameLeft && x < frameRight && y >= frameTop && y < frameBottom;
+}
+
+bool WindowInfo::supportsSplitTouch() const {
+    return flags.test(Flag::SPLIT_TOUCH);
+}
+
+bool WindowInfo::overlaps(const WindowInfo* other) const {
+    return frameLeft < other->frameRight && frameRight > other->frameLeft &&
+            frameTop < other->frameBottom && frameBottom > other->frameTop;
+}
+
+bool WindowInfo::operator==(const WindowInfo& info) const {
+    return info.token == token && info.id == id && info.name == name && info.flags == flags &&
+            info.type == type && info.dispatchingTimeout == dispatchingTimeout &&
+            info.frameLeft == frameLeft && info.frameTop == frameTop &&
+            info.frameRight == frameRight && info.frameBottom == frameBottom &&
+            info.surfaceInset == surfaceInset && info.globalScaleFactor == globalScaleFactor &&
+            info.transform == transform && info.displayWidth == displayWidth &&
+            info.displayHeight == displayHeight &&
+            info.touchableRegion.hasSameRects(touchableRegion) && info.visible == visible &&
+            info.trustedOverlay == trustedOverlay && info.focusable == focusable &&
+            info.touchOcclusionMode == touchOcclusionMode && info.hasWallpaper == hasWallpaper &&
+            info.paused == paused && info.ownerPid == ownerPid && info.ownerUid == ownerUid &&
+            info.packageName == packageName && info.inputFeatures == inputFeatures &&
+            info.displayId == displayId && info.portalToDisplayId == portalToDisplayId &&
+            info.replaceTouchableRegionWithCrop == replaceTouchableRegionWithCrop &&
+            info.applicationInfo == applicationInfo;
+}
+
+status_t WindowInfo::writeToParcel(android::Parcel* parcel) const {
+    if (parcel == nullptr) {
+        ALOGE("%s: Null parcel", __func__);
+        return BAD_VALUE;
+    }
+    if (name.empty()) {
+        parcel->writeInt32(0);
+        return OK;
+    }
+    parcel->writeInt32(1);
+
+    // clang-format off
+    status_t status = parcel->writeStrongBinder(token) ?:
+        parcel->writeInt64(dispatchingTimeout.count()) ?:
+        parcel->writeInt32(id) ?:
+        parcel->writeUtf8AsUtf16(name) ?:
+        parcel->writeInt32(flags.get()) ?:
+        parcel->writeInt32(static_cast<std::underlying_type_t<WindowInfo::Type>>(type)) ?:
+        parcel->writeInt32(frameLeft) ?:
+        parcel->writeInt32(frameTop) ?:
+        parcel->writeInt32(frameRight) ?:
+        parcel->writeInt32(frameBottom) ?:
+        parcel->writeInt32(surfaceInset) ?:
+        parcel->writeFloat(globalScaleFactor) ?:
+        parcel->writeFloat(alpha) ?:
+        parcel->writeFloat(transform.dsdx()) ?:
+        parcel->writeFloat(transform.dtdx()) ?:
+        parcel->writeFloat(transform.tx()) ?:
+        parcel->writeFloat(transform.dtdy()) ?:
+        parcel->writeFloat(transform.dsdy()) ?:
+        parcel->writeFloat(transform.ty()) ?:
+        parcel->writeInt32(displayWidth) ?:
+        parcel->writeInt32(displayHeight) ?:
+        parcel->writeBool(visible) ?:
+        parcel->writeBool(focusable) ?:
+        parcel->writeBool(hasWallpaper) ?:
+        parcel->writeBool(paused) ?:
+        parcel->writeBool(trustedOverlay) ?:
+        parcel->writeInt32(static_cast<int32_t>(touchOcclusionMode)) ?:
+        parcel->writeInt32(ownerPid) ?:
+        parcel->writeInt32(ownerUid) ?:
+        parcel->writeUtf8AsUtf16(packageName) ?:
+        parcel->writeInt32(inputFeatures.get()) ?:
+        parcel->writeInt32(displayId) ?:
+        parcel->writeInt32(portalToDisplayId) ?:
+        applicationInfo.writeToParcel(parcel) ?:
+        parcel->write(touchableRegion) ?:
+        parcel->writeBool(replaceTouchableRegionWithCrop) ?:
+        parcel->writeStrongBinder(touchableRegionCropHandle.promote());
+    // clang-format on
+    return status;
+}
+
+status_t WindowInfo::readFromParcel(const android::Parcel* parcel) {
+    if (parcel == nullptr) {
+        ALOGE("%s: Null parcel", __func__);
+        return BAD_VALUE;
+    }
+    if (parcel->readInt32() == 0) {
+        return OK;
+    }
+
+    token = parcel->readStrongBinder();
+    dispatchingTimeout = static_cast<decltype(dispatchingTimeout)>(parcel->readInt64());
+    status_t status = parcel->readInt32(&id) ?: parcel->readUtf8FromUtf16(&name);
+    if (status != OK) {
+        return status;
+    }
+
+    flags = Flags<Flag>(parcel->readInt32());
+    type = static_cast<Type>(parcel->readInt32());
+    float dsdx, dtdx, tx, dtdy, dsdy, ty;
+    int32_t touchOcclusionModeInt;
+    // clang-format off
+    status = parcel->readInt32(&frameLeft) ?:
+        parcel->readInt32(&frameTop) ?:
+        parcel->readInt32(&frameRight) ?:
+        parcel->readInt32(&frameBottom) ?:
+        parcel->readInt32(&surfaceInset) ?:
+        parcel->readFloat(&globalScaleFactor) ?:
+        parcel->readFloat(&alpha) ?:
+        parcel->readFloat(&dsdx) ?:
+        parcel->readFloat(&dtdx) ?:
+        parcel->readFloat(&tx) ?:
+        parcel->readFloat(&dtdy) ?:
+        parcel->readFloat(&dsdy) ?:
+        parcel->readFloat(&ty) ?:
+        parcel->readInt32(&displayWidth) ?:
+        parcel->readInt32(&displayHeight) ?:
+        parcel->readBool(&visible) ?:
+        parcel->readBool(&focusable) ?:
+        parcel->readBool(&hasWallpaper) ?:
+        parcel->readBool(&paused) ?:
+        parcel->readBool(&trustedOverlay) ?:
+        parcel->readInt32(&touchOcclusionModeInt) ?:
+        parcel->readInt32(&ownerPid) ?:
+        parcel->readInt32(&ownerUid) ?:
+        parcel->readUtf8FromUtf16(&packageName);
+    // clang-format on
+
+    if (status != OK) {
+        return status;
+    }
+
+    touchOcclusionMode = static_cast<TouchOcclusionMode>(touchOcclusionModeInt);
+
+    inputFeatures = Flags<Feature>(parcel->readInt32());
+    // clang-format off
+    status = parcel->readInt32(&displayId) ?:
+        parcel->readInt32(&portalToDisplayId) ?:
+        applicationInfo.readFromParcel(parcel) ?:
+        parcel->read(touchableRegion) ?:
+        parcel->readBool(&replaceTouchableRegionWithCrop);
+    // clang-format on
+
+    if (status != OK) {
+        return status;
+    }
+
+    touchableRegionCropHandle = parcel->readStrongBinder();
+    transform.set({dsdx, dtdx, tx, dtdy, dsdy, ty, 0, 0, 1});
+
+    return OK;
+}
+
+// --- WindowInfoHandle ---
+
+WindowInfoHandle::WindowInfoHandle() {}
+
+WindowInfoHandle::~WindowInfoHandle() {}
+
+WindowInfoHandle::WindowInfoHandle(const WindowInfoHandle& other) : mInfo(other.mInfo) {}
+
+WindowInfoHandle::WindowInfoHandle(const WindowInfo& other) : mInfo(other) {}
+
+status_t WindowInfoHandle::writeToParcel(android::Parcel* parcel) const {
+    return mInfo.writeToParcel(parcel);
+}
+
+status_t WindowInfoHandle::readFromParcel(const android::Parcel* parcel) {
+    return mInfo.readFromParcel(parcel);
+}
+
+void WindowInfoHandle::releaseChannel() {
+    mInfo.token.clear();
+}
+
+sp<IBinder> WindowInfoHandle::getToken() const {
+    return mInfo.token;
+}
+
+void WindowInfoHandle::updateFrom(sp<WindowInfoHandle> handle) {
+    mInfo = handle->mInfo;
+}
+} // namespace android::gui