Improve black bar to keep camera controls in place

Bug: 8340996

Change-Id: Ibca4a9f1ed84bd59e29cc988df346f1567de2a5b

1 files changed, 85 insertions, 0 deletions

diff --git a/src/com/android/camera/ui/CameraRootView.java b/src/com/android/camera/ui/CameraRootView.java
new file mode 100644
index 000000000..cce649530
--- /dev/null
+++ b/src/com/android/camera/ui/CameraRootView.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2013 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.camera.ui;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.Gravity;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.RelativeLayout;
+
+import com.android.camera.Util;
+import com.android.gallery3d.R;
+
+public class CameraRootView extends RelativeLayout
+    implements RotatableLayout.RotationListener {
+
+    private int mOffset = 0;
+    public CameraRootView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        // Layout the window as if we did not need navigation bar
+        setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
+    }
+
+    @Override
+    protected boolean fitSystemWindows(Rect insets) {
+        super.fitSystemWindows(insets);
+        // insets include status bar, navigation bar, etc
+        // In this case, we are only concerned with the size of nav bar
+        if (mOffset > 0) return true;
+        FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) getLayoutParams();
+        if (insets.bottom > 0) {
+            mOffset = insets.bottom;
+        } else if (insets.right > 0) {
+            mOffset = insets.right;
+        }
+        Configuration config = getResources().getConfiguration();
+        if (config.orientation == Configuration.ORIENTATION_PORTRAIT) {
+            lp.setMargins(0, 0, 0, mOffset);
+        } else if (config.orientation == Configuration.ORIENTATION_LANDSCAPE) {
+            lp.setMargins(0, 0, mOffset, 0);
+        }
+        CameraControls controls = (CameraControls) findViewById(R.id.camera_controls);
+        if (controls != null) {
+            controls.setRotationListener(this);
+            controls.adjustControlsToRightPosition();
+        }
+        return true;
+    }
+
+    @Override
+    public void onRotation(int rotation) {
+        FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) getLayoutParams();
+        int b = lp.bottomMargin;
+        int t = lp.topMargin;
+        int l = lp.leftMargin;
+        int r = lp.rightMargin;
+        rotation = (rotation + 360) % 360;
+        if (rotation == 90) {
+            lp.setMargins(b, l, t, r);
+        } else if (rotation == 270) {
+            lp.setMargins(t, r, b, l);
+        } else if (rotation == 180) {
+            lp.setMargins(r, b, l, t);
+        }
+    }
+}