Josh Gargus | 7edad9d | 2012-04-19 18:22:11 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 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 | |
| 17 | package com.android.contacts.widget; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.util.AttributeSet; |
| 21 | import android.view.View; |
| 22 | import android.view.ViewGroup; |
| 23 | import android.widget.FrameLayout; |
| 24 | |
Josh Gargus | 7edad9d | 2012-04-19 18:22:11 -0700 | [diff] [blame] | 25 | /** |
| 26 | * A FrameLayout whose contents are kept beneath an {@link AlphaTouchInterceptorOverlay}. |
| 27 | * If necessary, you can specify your own alpha-layer and manually manage its z-order. |
| 28 | */ |
| 29 | public class FrameLayoutWithOverlay extends FrameLayout { |
| 30 | private final AlphaTouchInterceptorOverlay mOverlay; |
| 31 | |
| 32 | public FrameLayoutWithOverlay(Context context, AttributeSet attrs) { |
| 33 | super(context, attrs); |
| 34 | |
| 35 | // Programmatically create touch-interceptor View. |
| 36 | mOverlay = new AlphaTouchInterceptorOverlay(context); |
| 37 | |
| 38 | addView(mOverlay); |
| 39 | } |
| 40 | |
| 41 | /** After adding the View, bring the overlay to the front to ensure it's always on top. */ |
| 42 | @Override |
| 43 | public void addView(View child, int index, ViewGroup.LayoutParams params) { |
| 44 | super.addView(child, index, params); |
| 45 | mOverlay.bringToFront(); |
| 46 | } |
| 47 | |
| 48 | /** |
Josh Gargus | fc81892 | 2012-04-25 15:08:43 -0700 | [diff] [blame] | 49 | * Delegate to overlay: set the View that it will use as its alpha-layer. |
| 50 | * If none is set, the overlay will use its own alpha layer. Only |
Josh Gargus | 7edad9d | 2012-04-19 18:22:11 -0700 | [diff] [blame] | 51 | * necessary to set this if some child views need to appear above the |
| 52 | * alpha-layer. |
| 53 | */ |
| 54 | protected void setAlphaLayer(View layer) { |
| 55 | mOverlay.setAlphaLayer(layer); |
| 56 | } |
| 57 | |
| 58 | /** Delegate to overlay: set the alpha value on the alpha layer. */ |
| 59 | public void setAlphaLayerValue(float alpha) { |
| 60 | mOverlay.setAlphaLayerValue(alpha); |
| 61 | } |
| 62 | |
| 63 | /** Delegate to overlay. */ |
| 64 | public void setOverlayOnClickListener(OnClickListener listener) { |
Josh Gargus | fc81892 | 2012-04-25 15:08:43 -0700 | [diff] [blame] | 65 | mOverlay.setOverlayOnClickListener(listener); |
Josh Gargus | 7edad9d | 2012-04-19 18:22:11 -0700 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | /** Delegate to overlay. */ |
| 69 | public void setOverlayClickable(boolean clickable) { |
Josh Gargus | fc81892 | 2012-04-25 15:08:43 -0700 | [diff] [blame] | 70 | mOverlay.setOverlayClickable(clickable); |
Josh Gargus | 7edad9d | 2012-04-19 18:22:11 -0700 | [diff] [blame] | 71 | } |
| 72 | } |