1 files changed, 150 insertions, 0 deletions
diff --git a/core/java/android/window/StartingWindowInfo.java b/core/java/android/window/StartingWindowInfo.java
new file mode 100644
index 000000000000..2282cc567936
--- /dev/null
+++ b/core/java/android/window/StartingWindowInfo.java
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+package android.window;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.TestApi;
+import android.app.ActivityManager;
+import android.app.TaskInfo;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.view.InsetsState;
+import android.view.WindowManager;
+
+/**
+ * Information you can retrieve about a starting window of a particular task that is currently
+ * start in the system.
+ * @hide
+ */
+@TestApi
+public final class StartingWindowInfo implements Parcelable {
+    /**
+     * The {@link TaskInfo} from this task.
+     *  @hide
+     */
+    @NonNull
+    public ActivityManager.RunningTaskInfo taskInfo;
+
+    /**
+     * InsetsState of TopFullscreenOpaqueWindow
+     * @hide
+     */
+    @Nullable
+    public InsetsState topOpaqueWindowInsetsState;
+
+    /**
+     * LayoutParams of TopFullscreenOpaqueWindow
+     * @hide
+     */
+    @Nullable
+    public WindowManager.LayoutParams topOpaqueWindowLayoutParams;
+
+    /**
+     * LayoutParams of MainWindow
+     * @hide
+     */
+    @Nullable
+    public WindowManager.LayoutParams mainWindowLayoutParams;
+
+    /**
+     * @hide
+     */
+    @IntDef(flag = true, prefix = "TYPE_PARAMETER_", value = {
+            TYPE_PARAMETER_NEW_TASK,
+            TYPE_PARAMETER_TASK_SWITCH,
+            TYPE_PARAMETER_PROCESS_RUNNING,
+            TYPE_PARAMETER_ALLOW_TASK_SNAPSHOT,
+            TYPE_PARAMETER_ACTIVITY_CREATED
+    })
+    public @interface StartingTypeParams {}
+
+    /**
+     * The parameters of the starting window...
+     * @hide
+     */
+    public static final int TYPE_PARAMETER_NEW_TASK = 0x00000001;
+    /** @hide */
+    public static final int TYPE_PARAMETER_TASK_SWITCH = 0x00000002;
+    /** @hide */
+    public static final int TYPE_PARAMETER_PROCESS_RUNNING = 0x00000004;
+    /** @hide */
+    public static final int TYPE_PARAMETER_ALLOW_TASK_SNAPSHOT = 0x00000008;
+    /** @hide */
+    public static final int TYPE_PARAMETER_ACTIVITY_CREATED = 0x00000010;
+
+    /**
+     * The parameters which effect the starting window type.
+     * @see android.window.StartingWindowInfo.StartingTypeParams
+     * @hide
+     */
+    public int startingWindowTypeParameter;
+
+    public StartingWindowInfo() {
+
+    }
+
+    private StartingWindowInfo(@NonNull Parcel source) {
+        readFromParcel(source);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeTypedObject(taskInfo, flags);
+        dest.writeInt(startingWindowTypeParameter);
+        dest.writeTypedObject(topOpaqueWindowInsetsState, flags);
+        dest.writeTypedObject(topOpaqueWindowLayoutParams, flags);
+        dest.writeTypedObject(mainWindowLayoutParams, flags);
+    }
+
+    void readFromParcel(@NonNull Parcel source) {
+        taskInfo = source.readTypedObject(ActivityManager.RunningTaskInfo.CREATOR);
+        startingWindowTypeParameter = source.readInt();
+        topOpaqueWindowInsetsState = source.readTypedObject(InsetsState.CREATOR);
+        topOpaqueWindowLayoutParams = source.readTypedObject(
+                WindowManager.LayoutParams.CREATOR);
+        mainWindowLayoutParams = source.readTypedObject(WindowManager.LayoutParams.CREATOR);
+    }
+
+    @Override
+    public String toString() {
+        return "StartingWindowInfo{taskId=" + taskInfo.taskId
+                + " displayId=" + taskInfo.displayId
+                + " topActivityType=" + taskInfo.topActivityType
+                + " preferredStartingWindowType="
+                + Integer.toHexString(startingWindowTypeParameter)
+                + " insetsState=" + topOpaqueWindowInsetsState
+                + " topWindowLayoutParams=" + topOpaqueWindowLayoutParams
+                + " mainWindowLayoutParams=" + mainWindowLayoutParams;
+    }
+
+    public static final @android.annotation.NonNull Creator<StartingWindowInfo> CREATOR =
+            new Creator<StartingWindowInfo>() {
+                public StartingWindowInfo createFromParcel(@NonNull Parcel source) {
+                    return new StartingWindowInfo(source);
+                }
+                public StartingWindowInfo[] newArray(int size) {
+                    return new StartingWindowInfo[size];
+                }
+            };
+}