Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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.server.wm; |
| 18 | |
Kweku Adams | 21b8d26 | 2018-03-30 12:19:58 -0700 | [diff] [blame] | 19 | import static com.android.server.wm.AlphaAnimationSpecProto.DURATION_MS; |
Yi Jin | 6c6e9ca | 2018-03-20 16:53:35 -0700 | [diff] [blame] | 20 | import static com.android.server.wm.AlphaAnimationSpecProto.FROM; |
| 21 | import static com.android.server.wm.AlphaAnimationSpecProto.TO; |
| 22 | import static com.android.server.wm.AnimationSpecProto.ALPHA; |
Jorim Jaggi | f75d161 | 2018-02-27 15:05:21 +0100 | [diff] [blame] | 23 | |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 24 | import android.graphics.Rect; |
Jorim Jaggi | f75d161 | 2018-02-27 15:05:21 +0100 | [diff] [blame] | 25 | import android.util.proto.ProtoOutputStream; |
| 26 | import android.view.SurfaceControl; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 27 | |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 28 | import com.android.internal.annotations.VisibleForTesting; |
| 29 | |
Jorim Jaggi | f75d161 | 2018-02-27 15:05:21 +0100 | [diff] [blame] | 30 | import java.io.PrintWriter; |
| 31 | |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 32 | /** |
| 33 | * Utility class for use by a WindowContainer implementation to add "DimLayer" support, that is |
| 34 | * black layers of varying opacity at various Z-levels which create the effect of a Dim. |
| 35 | */ |
| 36 | class Dimmer { |
| 37 | private static final String TAG = "WindowManager"; |
Kweku Adams | 21b8d26 | 2018-03-30 12:19:58 -0700 | [diff] [blame] | 38 | // This is in milliseconds. |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 39 | private static final int DEFAULT_DIM_ANIM_DURATION = 200; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 40 | |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 41 | private class DimAnimatable implements SurfaceAnimator.Animatable { |
| 42 | private final SurfaceControl mDimLayer; |
| 43 | |
| 44 | private DimAnimatable(SurfaceControl dimLayer) { |
| 45 | mDimLayer = dimLayer; |
| 46 | } |
| 47 | |
| 48 | @Override |
| 49 | public SurfaceControl.Transaction getPendingTransaction() { |
| 50 | return mHost.getPendingTransaction(); |
| 51 | } |
| 52 | |
| 53 | @Override |
| 54 | public void commitPendingTransaction() { |
| 55 | mHost.commitPendingTransaction(); |
| 56 | } |
| 57 | |
| 58 | @Override |
| 59 | public void onAnimationLeashCreated(SurfaceControl.Transaction t, SurfaceControl leash) { |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public void onAnimationLeashDestroyed(SurfaceControl.Transaction t) { |
| 64 | } |
| 65 | |
| 66 | @Override |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 67 | public SurfaceControl.Builder makeAnimationLeash() { |
| 68 | return mHost.makeAnimationLeash(); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public SurfaceControl getAnimationLeashParent() { |
| 73 | return mHost.getSurfaceControl(); |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public SurfaceControl getSurfaceControl() { |
| 78 | return mDimLayer; |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public SurfaceControl getParentSurfaceControl() { |
| 83 | return mHost.getSurfaceControl(); |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | public int getSurfaceWidth() { |
| 88 | // This will determine the size of the leash created. This should be the size of the |
| 89 | // host and not the dim layer since the dim layer may get bigger during animation. If |
| 90 | // that occurs, the leash size cannot change so we need to ensure the leash is big |
| 91 | // enough that the dim layer can grow. |
| 92 | // This works because the mHost will be a Task which has the display bounds. |
| 93 | return mHost.getSurfaceWidth(); |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public int getSurfaceHeight() { |
| 98 | // See getSurfaceWidth() above for explanation. |
| 99 | return mHost.getSurfaceHeight(); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | @VisibleForTesting |
| 104 | class DimState { |
| 105 | /** |
| 106 | * The layer where property changes should be invoked on. |
| 107 | */ |
| 108 | SurfaceControl mDimLayer; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 109 | boolean mDimming; |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 110 | boolean isVisible; |
| 111 | SurfaceAnimator mSurfaceAnimator; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 112 | |
| 113 | /** |
chaviw | 87ca63a | 2018-03-26 14:06:17 -0700 | [diff] [blame] | 114 | * Determines whether the dim layer should animate before destroying. |
| 115 | */ |
| 116 | boolean mAnimateExit = true; |
| 117 | |
| 118 | /** |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 119 | * Used for Dims not associated with a WindowContainer. See {@link Dimmer#dimAbove} for |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 120 | * details on Dim lifecycle. |
| 121 | */ |
| 122 | boolean mDontReset; |
| 123 | |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 124 | DimState(SurfaceControl dimLayer) { |
| 125 | mDimLayer = dimLayer; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 126 | mDimming = true; |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 127 | mSurfaceAnimator = new SurfaceAnimator(new DimAnimatable(dimLayer), () -> { |
| 128 | if (!mDimming) { |
| 129 | mDimLayer.destroy(); |
| 130 | } |
Chavi Weingarten | b736e32 | 2018-02-23 00:27:54 +0000 | [diff] [blame] | 131 | }, mHost.mService); |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 132 | } |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 133 | } |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 134 | |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 135 | /** |
| 136 | * The {@link WindowContainer} that our Dim's are bounded to. We may be dimming on behalf of the |
| 137 | * host, some controller of it, or one of the hosts children. |
| 138 | */ |
| 139 | private WindowContainer mHost; |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 140 | private WindowContainer mLastRequestedDimContainer; |
chaviw | f20bd22 | 2018-02-01 16:06:52 -0800 | [diff] [blame] | 141 | @VisibleForTesting |
| 142 | DimState mDimState; |
| 143 | |
| 144 | private final SurfaceAnimatorStarter mSurfaceAnimatorStarter; |
| 145 | |
| 146 | @VisibleForTesting |
| 147 | interface SurfaceAnimatorStarter { |
| 148 | void startAnimation(SurfaceAnimator surfaceAnimator, SurfaceControl.Transaction t, |
| 149 | AnimationAdapter anim, boolean hidden); |
| 150 | } |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 151 | |
| 152 | Dimmer(WindowContainer host) { |
chaviw | f20bd22 | 2018-02-01 16:06:52 -0800 | [diff] [blame] | 153 | this(host, SurfaceAnimator::startAnimation); |
| 154 | } |
| 155 | |
| 156 | Dimmer(WindowContainer host, SurfaceAnimatorStarter surfaceAnimatorStarter) { |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 157 | mHost = host; |
chaviw | f20bd22 | 2018-02-01 16:06:52 -0800 | [diff] [blame] | 158 | mSurfaceAnimatorStarter = surfaceAnimatorStarter; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 159 | } |
| 160 | |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 161 | private SurfaceControl makeDimLayer() { |
| 162 | return mHost.makeChildSurface(null) |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 163 | .setParent(mHost.getSurfaceControl()) |
| 164 | .setColorLayer(true) |
| 165 | .setName("Dim Layer for - " + mHost.getName()) |
| 166 | .build(); |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | /** |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 170 | * Retrieve the DimState, creating one if it doesn't exist. |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 171 | */ |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 172 | private DimState getDimState(WindowContainer container) { |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 173 | if (mDimState == null) { |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 174 | final SurfaceControl ctl = makeDimLayer(); |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 175 | mDimState = new DimState(ctl); |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 176 | /** |
| 177 | * See documentation on {@link #dimAbove} to understand lifecycle management of Dim's |
| 178 | * via state resetting for Dim's with containers. |
| 179 | */ |
| 180 | if (container == null) { |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 181 | mDimState.mDontReset = true; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 182 | } |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 183 | } |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 184 | |
| 185 | mLastRequestedDimContainer = container; |
| 186 | return mDimState; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | private void dim(SurfaceControl.Transaction t, WindowContainer container, int relativeLayer, |
| 190 | float alpha) { |
| 191 | final DimState d = getDimState(container); |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 192 | if (container != null) { |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 193 | // The dim method is called from WindowState.prepareSurfaces(), which is always called |
| 194 | // in the correct Z from lowest Z to highest. This ensures that the dim layer is always |
| 195 | // relative to the highest Z layer with a dim. |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 196 | t.setRelativeLayer(d.mDimLayer, container.getSurfaceControl(), relativeLayer); |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 197 | } else { |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 198 | t.setLayer(d.mDimLayer, Integer.MAX_VALUE); |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 199 | } |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 200 | t.setAlpha(d.mDimLayer, alpha); |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 201 | |
| 202 | d.mDimming = true; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Finish a dim started by dimAbove in the case there was no call to dimAbove. |
| 207 | * |
| 208 | * @param t A Transaction in which to finish the dim. |
| 209 | */ |
| 210 | void stopDim(SurfaceControl.Transaction t) { |
| 211 | DimState d = getDimState(null); |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 212 | t.hide(d.mDimLayer); |
| 213 | d.isVisible = false; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 214 | d.mDontReset = false; |
| 215 | } |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 216 | |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 217 | /** |
| 218 | * Place a Dim above the entire host container. The caller is responsible for calling stopDim to |
| 219 | * remove this effect. If the Dim can be assosciated with a particular child of the host |
| 220 | * consider using the other variant of dimAbove which ties the Dim lifetime to the child |
| 221 | * lifetime more explicitly. |
| 222 | * |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 223 | * @param t A transaction in which to apply the Dim. |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 224 | * @param alpha The alpha at which to Dim. |
| 225 | */ |
| 226 | void dimAbove(SurfaceControl.Transaction t, float alpha) { |
| 227 | dim(t, null, 1, alpha); |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Place a dim above the given container, which should be a child of the host container. |
| 232 | * for each call to {@link WindowContainer#prepareSurfaces} the Dim state will be reset |
| 233 | * and the child should call dimAbove again to request the Dim to continue. |
| 234 | * |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 235 | * @param t A transaction in which to apply the Dim. |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 236 | * @param container The container which to dim above. Should be a child of our host. |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 237 | * @param alpha The alpha at which to Dim. |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 238 | */ |
| 239 | void dimAbove(SurfaceControl.Transaction t, WindowContainer container, float alpha) { |
| 240 | dim(t, container, 1, alpha); |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * Like {@link #dimAbove} but places the dim below the given container. |
| 245 | * |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 246 | * @param t A transaction in which to apply the Dim. |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 247 | * @param container The container which to dim below. Should be a child of our host. |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 248 | * @param alpha The alpha at which to Dim. |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 249 | */ |
| 250 | |
| 251 | void dimBelow(SurfaceControl.Transaction t, WindowContainer container, float alpha) { |
| 252 | dim(t, container, -1, alpha); |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Mark all dims as pending completion on the next call to {@link #updateDims} |
| 257 | * |
| 258 | * This is intended for us by the host container, to be called at the beginning of |
| 259 | * {@link WindowContainer#prepareSurfaces}. After calling this, the container should |
| 260 | * chain {@link WindowContainer#prepareSurfaces} down to it's children to give them |
| 261 | * a chance to request dims to continue. |
| 262 | */ |
| 263 | void resetDimStates() { |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 264 | if (mDimState != null && !mDimState.mDontReset) { |
| 265 | mDimState.mDimming = false; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 266 | } |
| 267 | } |
| 268 | |
chaviw | 87ca63a | 2018-03-26 14:06:17 -0700 | [diff] [blame] | 269 | void dontAnimateExit() { |
| 270 | if (mDimState != null) { |
| 271 | mDimState.mAnimateExit = false; |
| 272 | } |
| 273 | } |
| 274 | |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 275 | /** |
| 276 | * Call after invoking {@link WindowContainer#prepareSurfaces} on children as |
| 277 | * described in {@link #resetDimStates}. |
| 278 | * |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 279 | * @param t A transaction in which to update the dims. |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 280 | * @param bounds The bounds at which to dim. |
| 281 | * @return true if any Dims were updated. |
| 282 | */ |
| 283 | boolean updateDims(SurfaceControl.Transaction t, Rect bounds) { |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 284 | if (mDimState == null) { |
| 285 | return false; |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 286 | } |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 287 | |
| 288 | if (!mDimState.mDimming) { |
chaviw | 87ca63a | 2018-03-26 14:06:17 -0700 | [diff] [blame] | 289 | if (!mDimState.mAnimateExit) { |
| 290 | t.destroy(mDimState.mDimLayer); |
| 291 | } else { |
| 292 | startDimExit(mLastRequestedDimContainer, mDimState.mSurfaceAnimator, t); |
| 293 | } |
chaviw | b792a95 | 2018-02-02 11:55:21 -0800 | [diff] [blame] | 294 | mDimState = null; |
| 295 | return false; |
| 296 | } else { |
| 297 | // TODO: Once we use geometry from hierarchy this falls away. |
| 298 | t.setSize(mDimState.mDimLayer, bounds.width(), bounds.height()); |
| 299 | t.setPosition(mDimState.mDimLayer, bounds.left, bounds.top); |
| 300 | if (!mDimState.isVisible) { |
| 301 | mDimState.isVisible = true; |
| 302 | t.show(mDimState.mDimLayer); |
| 303 | startDimEnter(mLastRequestedDimContainer, mDimState.mSurfaceAnimator, t); |
| 304 | } |
| 305 | return true; |
| 306 | } |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 307 | } |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 308 | |
| 309 | private void startDimEnter(WindowContainer container, SurfaceAnimator animator, |
| 310 | SurfaceControl.Transaction t) { |
| 311 | startAnim(container, animator, t, 0 /* startAlpha */, 1 /* endAlpha */); |
| 312 | } |
| 313 | |
| 314 | private void startDimExit(WindowContainer container, SurfaceAnimator animator, |
| 315 | SurfaceControl.Transaction t) { |
| 316 | startAnim(container, animator, t, 1 /* startAlpha */, 0 /* endAlpha */); |
| 317 | } |
| 318 | |
| 319 | private void startAnim(WindowContainer container, SurfaceAnimator animator, |
| 320 | SurfaceControl.Transaction t, float startAlpha, float endAlpha) { |
chaviw | f20bd22 | 2018-02-01 16:06:52 -0800 | [diff] [blame] | 321 | mSurfaceAnimatorStarter.startAnimation(animator, t, new LocalAnimationAdapter( |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 322 | new AlphaAnimationSpec(startAlpha, endAlpha, getDimDuration(container)), |
| 323 | mHost.mService.mSurfaceAnimationRunner), false /* hidden */); |
| 324 | } |
| 325 | |
| 326 | private long getDimDuration(WindowContainer container) { |
| 327 | // If there's no container, then there isn't an animation occurring while dimming. Set the |
| 328 | // duration to 0 so it immediately dims to the set alpha. |
| 329 | if (container == null) { |
| 330 | return 0; |
| 331 | } |
| 332 | |
| 333 | // Otherwise use the same duration as the animation on the WindowContainer |
| 334 | AnimationAdapter animationAdapter = container.mSurfaceAnimator.getAnimation(); |
| 335 | return animationAdapter == null ? DEFAULT_DIM_ANIM_DURATION |
| 336 | : animationAdapter.getDurationHint(); |
| 337 | } |
| 338 | |
| 339 | private static class AlphaAnimationSpec implements LocalAnimationAdapter.AnimationSpec { |
| 340 | private final long mDuration; |
| 341 | private final float mFromAlpha; |
| 342 | private final float mToAlpha; |
| 343 | |
| 344 | AlphaAnimationSpec(float fromAlpha, float toAlpha, long duration) { |
| 345 | mFromAlpha = fromAlpha; |
| 346 | mToAlpha = toAlpha; |
| 347 | mDuration = duration; |
| 348 | } |
| 349 | |
| 350 | @Override |
| 351 | public long getDuration() { |
| 352 | return mDuration; |
| 353 | } |
| 354 | |
| 355 | @Override |
| 356 | public void apply(SurfaceControl.Transaction t, SurfaceControl sc, long currentPlayTime) { |
| 357 | float alpha = ((float) currentPlayTime / getDuration()) * (mToAlpha - mFromAlpha) |
| 358 | + mFromAlpha; |
| 359 | t.setAlpha(sc, alpha); |
| 360 | } |
Jorim Jaggi | f75d161 | 2018-02-27 15:05:21 +0100 | [diff] [blame] | 361 | |
| 362 | @Override |
| 363 | public void dump(PrintWriter pw, String prefix) { |
| 364 | pw.print(prefix); pw.print("from="); pw.print(mFromAlpha); |
| 365 | pw.print(" to="); pw.print(mToAlpha); |
| 366 | pw.print(" duration="); pw.println(mDuration); |
| 367 | } |
| 368 | |
| 369 | @Override |
| 370 | public void writeToProtoInner(ProtoOutputStream proto) { |
| 371 | final long token = proto.start(ALPHA); |
| 372 | proto.write(FROM, mFromAlpha); |
| 373 | proto.write(TO, mToAlpha); |
Kweku Adams | 21b8d26 | 2018-03-30 12:19:58 -0700 | [diff] [blame] | 374 | proto.write(DURATION_MS, mDuration); |
Jorim Jaggi | f75d161 | 2018-02-27 15:05:21 +0100 | [diff] [blame] | 375 | proto.end(token); |
| 376 | } |
chaviw | 2fb06bc | 2018-01-19 17:09:15 -0800 | [diff] [blame] | 377 | } |
Robert Carr | f59b8dd | 2017-10-02 18:58:36 -0700 | [diff] [blame] | 378 | } |