Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 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 | |
| 17 | package com.android.camera.widget; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.content.res.Configuration; |
Erin Dahlgren | 9ec6c49 | 2014-02-14 14:14:18 -0800 | [diff] [blame] | 21 | import android.graphics.Matrix; |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 22 | import android.graphics.RectF; |
| 23 | import android.util.AttributeSet; |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 24 | import android.view.Gravity; |
| 25 | import android.view.MotionEvent; |
| 26 | import android.view.View; |
| 27 | import android.view.ViewGroup; |
| 28 | import android.widget.FrameLayout; |
Erin Dahlgren | 6e07fe2 | 2014-02-03 15:55:31 -0800 | [diff] [blame] | 29 | import android.widget.ImageView; |
| 30 | import android.widget.LinearLayout; |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 31 | |
Erin Dahlgren | 5d18769 | 2014-02-25 19:16:12 -0800 | [diff] [blame] | 32 | import com.android.camera.ShutterButton; |
Angus Kong | 2bca210 | 2014-03-11 16:27:30 -0700 | [diff] [blame^] | 33 | import com.android.camera.debug.Log; |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 34 | import com.android.camera.ui.PreviewOverlay; |
| 35 | import com.android.camera.ui.PreviewStatusListener; |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 36 | import com.android.camera2.R; |
| 37 | |
| 38 | /** |
| 39 | * ModeOptionsOverlay is a FrameLayout which positions mode options in |
| 40 | * in the bottom of the preview that is visible above the bottom bar. |
| 41 | */ |
| 42 | public class ModeOptionsOverlay extends FrameLayout |
Angus Kong | 2bacca7 | 2014-03-06 12:57:29 -0800 | [diff] [blame] | 43 | implements PreviewStatusListener.PreviewAreaChangedListener, |
Erin Dahlgren | 6e07fe2 | 2014-02-03 15:55:31 -0800 | [diff] [blame] | 44 | PreviewOverlay.OnPreviewTouchedListener, |
Erin Dahlgren | 5d18769 | 2014-02-25 19:16:12 -0800 | [diff] [blame] | 45 | IndicatorIconController.OnIndicatorVisibilityChangedListener, |
| 46 | ShutterButton.OnShutterButtonListener { |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 47 | |
Angus Kong | 2bca210 | 2014-03-11 16:27:30 -0700 | [diff] [blame^] | 48 | private final static Log.Tag TAG = new Log.Tag("ModeOptionsOverlay"); |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 49 | |
| 50 | private static final int BOTTOMBAR_OPTIONS_TIMEOUT_MS = 2000; |
| 51 | private final static int BOTTOM_RIGHT = Gravity.BOTTOM | Gravity.RIGHT; |
| 52 | private final static int TOP_RIGHT = Gravity.TOP | Gravity.RIGHT; |
| 53 | |
| 54 | private int mPreviewWidth; |
| 55 | private int mPreviewHeight; |
| 56 | |
Spike Sprague | 82fa6ae | 2014-02-27 14:33:21 -0800 | [diff] [blame] | 57 | private ModeOptions mModeOptions; |
Erin Dahlgren | 6e07fe2 | 2014-02-03 15:55:31 -0800 | [diff] [blame] | 58 | |
| 59 | // The mode options toggle can be either a default image, or a |
| 60 | // group of on screen indicators. |
| 61 | private FrameLayout mModeOptionsToggle; |
| 62 | // Default image for mode options toggle. |
| 63 | private ImageView mThreeDots; |
| 64 | // Group of on screen indicators for mode options toggle. |
| 65 | private LinearLayout mIndicators; |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 66 | |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 67 | public ModeOptionsOverlay(Context context, AttributeSet attrs) { |
| 68 | super(context, attrs); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public void onFinishInflate() { |
Spike Sprague | 82fa6ae | 2014-02-27 14:33:21 -0800 | [diff] [blame] | 73 | mModeOptions = (ModeOptions) findViewById(R.id.mode_options); |
Erin Dahlgren | 3745254 | 2014-02-25 16:21:22 -0800 | [diff] [blame] | 74 | mModeOptions.setClickable(true); |
| 75 | mModeOptions.setOnClickListener(new View.OnClickListener() { |
Spike Sprague | 591eec6 | 2014-03-06 12:37:11 -0800 | [diff] [blame] | 76 | @Override |
| 77 | public void onClick(View v) { |
| 78 | closeModeOptions(); |
| 79 | } |
| 80 | }); |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 81 | |
Erin Dahlgren | 6e07fe2 | 2014-02-03 15:55:31 -0800 | [diff] [blame] | 82 | mModeOptionsToggle = (FrameLayout) findViewById(R.id.mode_options_toggle); |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 83 | mModeOptionsToggle.setOnClickListener(new View.OnClickListener() { |
Spike Sprague | 82fa6ae | 2014-02-27 14:33:21 -0800 | [diff] [blame] | 84 | @Override |
| 85 | public void onClick(View v) { |
| 86 | mModeOptions.animateVisible(); |
| 87 | } |
| 88 | }); |
| 89 | mModeOptions.setViewToShowHide(mModeOptionsToggle); |
Erin Dahlgren | 6e07fe2 | 2014-02-03 15:55:31 -0800 | [diff] [blame] | 90 | |
| 91 | mThreeDots = (ImageView) findViewById(R.id.three_dots); |
| 92 | mIndicators = (LinearLayout) findViewById(R.id.indicator_icons); |
| 93 | showCorrectToggleView(mThreeDots, mIndicators); |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public void onPreviewTouched(MotionEvent ev) { |
Erin Dahlgren | 3745254 | 2014-02-25 16:21:22 -0800 | [diff] [blame] | 98 | closeModeOptions(); |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 99 | } |
| 100 | |
Erin Dahlgren | 6e07fe2 | 2014-02-03 15:55:31 -0800 | [diff] [blame] | 101 | @Override |
| 102 | public void onIndicatorVisibilityChanged(View indicator) { |
| 103 | showCorrectToggleView(mThreeDots, mIndicators); |
| 104 | } |
| 105 | |
Erin Dahlgren | 5d18769 | 2014-02-25 19:16:12 -0800 | [diff] [blame] | 106 | @Override |
| 107 | public void onShutterButtonClick() { |
| 108 | closeModeOptions(); |
| 109 | } |
| 110 | |
| 111 | @Override |
| 112 | public void onShutterButtonFocus(boolean pressed) { |
| 113 | } |
| 114 | |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 115 | /** |
| 116 | * Schedule (or re-schedule) the options menu to be closed after a number |
| 117 | * of milliseconds. If the options menu is already closed, nothing is |
| 118 | * scheduled. |
| 119 | */ |
Erin Dahlgren | 3745254 | 2014-02-25 16:21:22 -0800 | [diff] [blame] | 120 | private void closeModeOptions() { |
Spike Sprague | 82fa6ae | 2014-02-27 14:33:21 -0800 | [diff] [blame] | 121 | mModeOptions.animateHidden(); |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | @Override |
| 125 | public void onConfigurationChanged(Configuration configuration) { |
| 126 | super.onConfigurationChanged(configuration); |
| 127 | checkOrientation(configuration.orientation); |
| 128 | } |
| 129 | |
| 130 | @Override |
Angus Kong | 2bacca7 | 2014-03-06 12:57:29 -0800 | [diff] [blame] | 131 | public void onPreviewAreaChanged(RectF previewArea) { |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 132 | mPreviewWidth = (int) previewArea.width(); |
| 133 | mPreviewHeight = (int) previewArea.height(); |
Angus Kong | fe60979 | 2014-02-07 11:20:00 -0800 | [diff] [blame] | 134 | setLayoutDimensions(); |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | /** |
| 138 | * The overlay takes its horizontal dimension from the preview. The vertical |
| 139 | * dimension of the overlay is determined by its parent layout, which has |
| 140 | * knowledge of the bottom bar dimensions. |
| 141 | */ |
| 142 | private void setLayoutDimensions() { |
| 143 | if (mPreviewWidth == 0 || mPreviewHeight == 0) { |
| 144 | return; |
| 145 | } |
| 146 | |
| 147 | boolean isPortrait = Configuration.ORIENTATION_PORTRAIT |
| 148 | == getResources().getConfiguration().orientation; |
| 149 | |
| 150 | ViewGroup.LayoutParams params = (ViewGroup.LayoutParams) getLayoutParams(); |
| 151 | if (isPortrait) { |
| 152 | params.width = mPreviewWidth; |
| 153 | } else { |
| 154 | params.height = mPreviewHeight; |
| 155 | } |
| 156 | setLayoutParams(params); |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Set the layout gravity of the child layout to be bottom or top right |
| 161 | * depending on orientation. |
| 162 | */ |
| 163 | private void checkOrientation(int orientation) { |
| 164 | final boolean isPortrait = Configuration.ORIENTATION_PORTRAIT == orientation; |
| 165 | |
| 166 | FrameLayout.LayoutParams modeOptionsParams |
| 167 | = (FrameLayout.LayoutParams) mModeOptions.getLayoutParams(); |
Erin Dahlgren | 9ec6c49 | 2014-02-14 14:14:18 -0800 | [diff] [blame] | 168 | FrameLayout.LayoutParams modeOptionsToggleParams |
| 169 | = (FrameLayout.LayoutParams) mModeOptionsToggle.getLayoutParams(); |
| 170 | |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 171 | if (isPortrait) { |
| 172 | modeOptionsParams.height = modeOptionsParams.width; |
| 173 | modeOptionsParams.width = ViewGroup.LayoutParams.MATCH_PARENT; |
| 174 | if (modeOptionsParams.gravity != Gravity.BOTTOM) { |
| 175 | modeOptionsParams.gravity = Gravity.BOTTOM; |
| 176 | } |
Erin Dahlgren | 9ec6c49 | 2014-02-14 14:14:18 -0800 | [diff] [blame] | 177 | |
| 178 | if (modeOptionsToggleParams.gravity != BOTTOM_RIGHT) { |
| 179 | modeOptionsToggleParams.gravity = BOTTOM_RIGHT; |
| 180 | } |
| 181 | |
| 182 | // Remove the rotation on the three dots. |
| 183 | mThreeDots.setImageMatrix(new Matrix()); |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 184 | } else if (!isPortrait) { |
| 185 | modeOptionsParams.width = modeOptionsParams.height; |
| 186 | modeOptionsParams.height = ViewGroup.LayoutParams.MATCH_PARENT; |
| 187 | if (modeOptionsParams.gravity != Gravity.RIGHT) { |
| 188 | modeOptionsParams.gravity = Gravity.RIGHT; |
| 189 | } |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 190 | |
Erin Dahlgren | 9ec6c49 | 2014-02-14 14:14:18 -0800 | [diff] [blame] | 191 | if (modeOptionsToggleParams.gravity != TOP_RIGHT) { |
| 192 | modeOptionsToggleParams.gravity = TOP_RIGHT; |
| 193 | } |
| 194 | |
| 195 | // Rotate the three dots 90 to match portrait. |
| 196 | Matrix matrix = new Matrix(); |
| 197 | matrix.setRotate(90, mThreeDots.getWidth() / 2 , mThreeDots.getHeight() / 2); |
| 198 | mThreeDots.setImageMatrix(matrix); |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | requestLayout(); |
| 202 | } |
Erin Dahlgren | 6e07fe2 | 2014-02-03 15:55:31 -0800 | [diff] [blame] | 203 | |
| 204 | /** |
| 205 | * Show the correct toggle view: the default view if the group has |
| 206 | * no visible children, otherwise the default view. |
| 207 | */ |
| 208 | private void showCorrectToggleView(View defaultView, ViewGroup group) { |
| 209 | if (getVisibleChildCount(group) > 0) { |
| 210 | defaultView.setVisibility(View.GONE); |
| 211 | group.setVisibility(View.VISIBLE); |
| 212 | } else { |
| 213 | group.setVisibility(View.GONE); |
| 214 | defaultView.setVisibility(View.VISIBLE); |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * Get the number of a ViewGroup's visible children. |
| 220 | */ |
| 221 | private int getVisibleChildCount(ViewGroup group) { |
| 222 | int visible = 0; |
| 223 | for (int i = 0; i < group.getChildCount(); i++) { |
| 224 | View child = group.getChildAt(i); |
| 225 | if (child != null && child.getVisibility() == View.VISIBLE) { |
| 226 | visible++; |
| 227 | } |
| 228 | } |
| 229 | return visible; |
| 230 | } |
Erin Dahlgren | 165bb8d | 2014-01-30 14:11:20 -0800 | [diff] [blame] | 231 | } |