1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.camera.ui;
18
19import android.content.Context;
20import android.graphics.RectF;
21import android.util.AttributeSet;
22import android.view.View;
23import android.widget.FrameLayout;
24
25import com.android.camera.CaptureLayoutHelper;
26import com.android.camera.debug.Log;
27import com.android.camera2.R;
28
29/**
30 * The goal of this class is to ensure mode options is always laid out to
31 * the left of or above bottom bar in landscape or portrait respectively.
32 * All the other children in this view group can be expected to be laid out
33 * the same way as they are in a normal FrameLayout.
34 */
35public class BottomBarModeOptionsWrapper extends FrameLayout {
36
37    private final static Log.Tag TAG = new Log.Tag("BottomBarWrapper");
38    private View mModeOptionsOverlay;
39    private View mBottomBar;
40    private CaptureLayoutHelper mCaptureLayoutHelper = null;
41
42    public BottomBarModeOptionsWrapper(Context context, AttributeSet attrs) {
43        super(context, attrs);
44    }
45
46    @Override
47    public void onFinishInflate() {
48        mModeOptionsOverlay = findViewById(R.id.mode_options_overlay);
49        mBottomBar = findViewById(R.id.bottom_bar);
50    }
51
52    /**
53     * Sets a capture layout helper to query layout rect from.
54     */
55    public void setCaptureLayoutHelper(CaptureLayoutHelper helper) {
56        mCaptureLayoutHelper = helper;
57    }
58
59    @Override
60    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
61        if (mCaptureLayoutHelper == null) {
62            Log.e(TAG, "Capture layout helper needs to be set first.");
63            return;
64        }
65        RectF uncoveredPreviewRect = mCaptureLayoutHelper.getUncoveredPreviewRect();
66        RectF bottomBarRect = mCaptureLayoutHelper.getBottomBarRect();
67
68        mModeOptionsOverlay.layout((int) uncoveredPreviewRect.left, (int) uncoveredPreviewRect.top,
69                (int) uncoveredPreviewRect.right, (int) uncoveredPreviewRect.bottom);
70        mBottomBar.layout((int) bottomBarRect.left, (int) bottomBarRect.top,
71                (int) bottomBarRect.right, (int) bottomBarRect.bottom);
72    }
73}