Initial changes to creating a fake landscape Launcher UI

Workspace and hotseat are drawn in rotated UI giving the impression that the
device is in Portrait, even though it is in landscape

Bug: 131360075
Change-Id: I29c4068af25fd4dcf7039b9a45886e864a137977

1 files changed, 59 insertions, 0 deletions

diff --git a/src/com/android/launcher3/graphics/RotationMode.java b/src/com/android/launcher3/graphics/RotationMode.java
new file mode 100644
index 000000000..1b2cbdb9f
--- /dev/null
+++ b/src/com/android/launcher3/graphics/RotationMode.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2019 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 com.android.launcher3.graphics;
+
+import android.graphics.Rect;
+
+public abstract class RotationMode {
+
+    public final float surfaceRotation;
+    public final boolean isTransposed;
+
+    private RotationMode(float surfaceRotation) {
+        this.surfaceRotation = surfaceRotation;
+        isTransposed = surfaceRotation != 0;
+    }
+
+    public final void mapRect(Rect rect, Rect out) {
+        mapRect(rect.left, rect.top, rect.right, rect.bottom, out);
+    }
+
+    public void mapRect(int left, int top, int right, int bottom, Rect out) {
+        out.set(left, top, right, bottom);
+    }
+
+    public static RotationMode NORMAL = new RotationMode(0) { };
+
+    public static RotationMode LANDSCAPE = new RotationMode(-90) {
+        @Override
+        public void mapRect(int left, int top, int right, int bottom, Rect out) {
+            out.left = top;
+            out.top = right;
+            out.right = bottom;
+            out.bottom = left;
+        }
+    };
+
+    public static RotationMode SEASCAPE = new RotationMode(90) {
+        @Override
+        public void mapRect(int left, int top, int right, int bottom, Rect out) {
+            out.left = bottom;
+            out.top = left;
+            out.right = top;
+            out.bottom = right;
+        }
+    };
+}