Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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 | |
Craig Mautner | f0ac5c8 | 2013-06-24 11:21:57 -0700 | [diff] [blame] | 19 | import static com.android.server.wm.WindowManagerService.DEBUG_TASK_MOVEMENT; |
| 20 | import static com.android.server.wm.WindowManagerService.TAG; |
| 21 | |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 22 | import android.graphics.Rect; |
Craig Mautner | f0ac5c8 | 2013-06-24 11:21:57 -0700 | [diff] [blame] | 23 | import android.os.Debug; |
| 24 | import android.util.Slog; |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 25 | import android.util.TypedValue; |
| 26 | |
Craig Mautner | d5d5d0f | 2013-04-03 15:08:21 -0700 | [diff] [blame] | 27 | import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID; |
| 28 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 29 | import java.io.PrintWriter; |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 30 | import java.util.ArrayList; |
| 31 | |
| 32 | public class TaskStack { |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 33 | /** Amount of time in milliseconds to animate the dim surface from one value to another, |
| 34 | * when no window animation is driving it. */ |
| 35 | private static final int DEFAULT_DIM_DURATION = 200; |
| 36 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 37 | /** Unique identifier */ |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 38 | final int mStackId; |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 39 | |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 40 | /** The service */ |
| 41 | private final WindowManagerService mService; |
| 42 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 43 | /** The display this stack sits under. */ |
| 44 | private final DisplayContent mDisplayContent; |
| 45 | |
| 46 | /** The Tasks that define this stack. Oldest Tasks are at the bottom. The ordering must match |
| 47 | * mTaskHistory in the ActivityStack with the same mStackId */ |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 48 | private ArrayList<Task> mTasks = new ArrayList<Task>(); |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 49 | |
| 50 | /** The StackBox this sits in. */ |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 51 | StackBox mStackBox; |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 52 | |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 53 | /** Used to support {@link android.view.WindowManager.LayoutParams#FLAG_DIM_BEHIND} */ |
| 54 | final DimLayer mDimLayer; |
| 55 | |
| 56 | /** The particular window with FLAG_DIM_BEHIND set. If null, hide mDimLayer. */ |
| 57 | WindowStateAnimator mDimWinAnimator; |
| 58 | |
| 59 | /** Support for non-zero {@link android.view.animation.Animation#getBackgroundColor()} */ |
| 60 | final DimLayer mAnimationBackgroundSurface; |
| 61 | |
| 62 | /** The particular window with an Animation with non-zero background color. */ |
| 63 | WindowStateAnimator mAnimationBackgroundAnimator; |
| 64 | |
| 65 | /** Set to false at the start of performLayoutAndPlaceSurfaces. If it is still false by the end |
| 66 | * then stop any dimming. */ |
| 67 | boolean mDimmingTag; |
| 68 | |
| 69 | TaskStack(WindowManagerService service, int stackId, DisplayContent displayContent) { |
| 70 | mService = service; |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 71 | mStackId = stackId; |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 72 | mDisplayContent = displayContent; |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 73 | final int displayId = displayContent.getDisplayId(); |
| 74 | mDimLayer = new DimLayer(service, displayId); |
| 75 | mAnimationBackgroundSurface = new DimLayer(service, displayId); |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | DisplayContent getDisplayContent() { |
| 79 | return mDisplayContent; |
| 80 | } |
| 81 | |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 82 | ArrayList<Task> getTasks() { |
| 83 | return mTasks; |
| 84 | } |
| 85 | |
Craig Mautner | d5d5d0f | 2013-04-03 15:08:21 -0700 | [diff] [blame] | 86 | boolean isHomeStack() { |
| 87 | return mStackId == HOME_STACK_ID; |
| 88 | } |
| 89 | |
John Spurlock | 7045aaa | 2013-07-16 17:38:54 -0400 | [diff] [blame] | 90 | boolean hasSibling() { |
| 91 | return mStackBox.mParent != null; |
| 92 | } |
| 93 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 94 | /** |
| 95 | * Put a Task in this stack. Used for adding and moving. |
| 96 | * @param task The task to add. |
| 97 | * @param toTop Whether to add it to the top or bottom. |
| 98 | */ |
Craig Mautner | d5d5d0f | 2013-04-03 15:08:21 -0700 | [diff] [blame] | 99 | boolean addTask(Task task, boolean toTop) { |
Craig Mautner | f0ac5c8 | 2013-06-24 11:21:57 -0700 | [diff] [blame] | 100 | if (DEBUG_TASK_MOVEMENT) Slog.d(TAG, "addTask: task=" + task + " toTop=" + toTop); |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 101 | mStackBox.makeDirty(); |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 102 | mTasks.add(toTop ? mTasks.size() : 0, task); |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 103 | task.mStack = this; |
Craig Mautner | d5d5d0f | 2013-04-03 15:08:21 -0700 | [diff] [blame] | 104 | return mDisplayContent.moveHomeStackBox(mStackId == HOME_STACK_ID); |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 105 | } |
| 106 | |
Craig Mautner | d5d5d0f | 2013-04-03 15:08:21 -0700 | [diff] [blame] | 107 | boolean moveTaskToTop(Task task) { |
Craig Mautner | f0ac5c8 | 2013-06-24 11:21:57 -0700 | [diff] [blame] | 108 | if (DEBUG_TASK_MOVEMENT) Slog.d(TAG, "moveTaskToTop: task=" + task + " Callers=" |
| 109 | + Debug.getCallers(6)); |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 110 | mTasks.remove(task); |
Craig Mautner | d5d5d0f | 2013-04-03 15:08:21 -0700 | [diff] [blame] | 111 | return addTask(task, true); |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 112 | } |
| 113 | |
Craig Mautner | d5d5d0f | 2013-04-03 15:08:21 -0700 | [diff] [blame] | 114 | boolean moveTaskToBottom(Task task) { |
Craig Mautner | f0ac5c8 | 2013-06-24 11:21:57 -0700 | [diff] [blame] | 115 | if (DEBUG_TASK_MOVEMENT) Slog.d(TAG, "moveTaskToBottom: task=" + task); |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 116 | mTasks.remove(task); |
Craig Mautner | d5d5d0f | 2013-04-03 15:08:21 -0700 | [diff] [blame] | 117 | return addTask(task, false); |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 118 | } |
| 119 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 120 | /** |
| 121 | * Delete a Task from this stack. If it is the last Task in the stack, remove this stack from |
| 122 | * its parent StackBox and merge the parent. |
| 123 | * @param task The Task to delete. |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 124 | */ |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 125 | void removeTask(Task task) { |
Craig Mautner | f0ac5c8 | 2013-06-24 11:21:57 -0700 | [diff] [blame] | 126 | if (DEBUG_TASK_MOVEMENT) Slog.d(TAG, "removeTask: task=" + task); |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 127 | mStackBox.makeDirty(); |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 128 | mTasks.remove(task); |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 129 | } |
| 130 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 131 | int remove() { |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 132 | mAnimationBackgroundSurface.destroySurface(); |
| 133 | mDimLayer.destroySurface(); |
Craig Mautner | 4cd0c13f | 2013-04-16 15:55:52 -0700 | [diff] [blame] | 134 | return mStackBox.remove(); |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 135 | } |
| 136 | |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 137 | void resetAnimationBackgroundAnimator() { |
| 138 | mAnimationBackgroundAnimator = null; |
| 139 | mAnimationBackgroundSurface.hide(); |
| 140 | } |
| 141 | |
| 142 | private long getDimBehindFadeDuration(long duration) { |
| 143 | TypedValue tv = new TypedValue(); |
| 144 | mService.mContext.getResources().getValue( |
| 145 | com.android.internal.R.fraction.config_dimBehindFadeDuration, tv, true); |
| 146 | if (tv.type == TypedValue.TYPE_FRACTION) { |
| 147 | duration = (long)tv.getFraction(duration, duration); |
| 148 | } else if (tv.type >= TypedValue.TYPE_FIRST_INT && tv.type <= TypedValue.TYPE_LAST_INT) { |
| 149 | duration = tv.data; |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 150 | } |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 151 | return duration; |
| 152 | } |
| 153 | |
| 154 | boolean animateDimLayers() { |
| 155 | final int dimLayer; |
| 156 | final float dimAmount; |
| 157 | if (mDimWinAnimator == null) { |
| 158 | dimLayer = mDimLayer.getLayer(); |
| 159 | dimAmount = 0; |
| 160 | } else { |
| 161 | dimLayer = mDimWinAnimator.mAnimLayer - WindowManagerService.LAYER_OFFSET_DIM; |
| 162 | dimAmount = mDimWinAnimator.mWin.mAttrs.dimAmount; |
| 163 | } |
| 164 | final float targetAlpha = mDimLayer.getTargetAlpha(); |
| 165 | if (targetAlpha != dimAmount) { |
| 166 | if (mDimWinAnimator == null) { |
| 167 | mDimLayer.hide(DEFAULT_DIM_DURATION); |
| 168 | } else { |
| 169 | long duration = (mDimWinAnimator.mAnimating && mDimWinAnimator.mAnimation != null) |
| 170 | ? mDimWinAnimator.mAnimation.computeDurationHint() |
| 171 | : DEFAULT_DIM_DURATION; |
| 172 | if (targetAlpha > dimAmount) { |
| 173 | duration = getDimBehindFadeDuration(duration); |
| 174 | } |
| 175 | mDimLayer.show(dimLayer, dimAmount, duration); |
| 176 | } |
| 177 | } else if (mDimLayer.getLayer() != dimLayer) { |
| 178 | mDimLayer.setLayer(dimLayer); |
| 179 | } |
| 180 | if (mDimLayer.isAnimating()) { |
| 181 | if (!mService.okToDisplay()) { |
| 182 | // Jump to the end of the animation. |
| 183 | mDimLayer.show(); |
| 184 | } else { |
| 185 | return mDimLayer.stepAnimation(); |
| 186 | } |
| 187 | } |
| 188 | return false; |
| 189 | } |
| 190 | |
| 191 | void resetDimmingTag() { |
| 192 | mDimmingTag = false; |
| 193 | } |
| 194 | |
| 195 | void setDimmingTag() { |
| 196 | mDimmingTag = true; |
| 197 | } |
| 198 | |
| 199 | boolean testDimmingTag() { |
| 200 | return mDimmingTag; |
| 201 | } |
| 202 | |
| 203 | boolean isDimming() { |
| 204 | return mDimLayer.isDimming(); |
| 205 | } |
| 206 | |
| 207 | boolean isDimming(WindowStateAnimator winAnimator) { |
| 208 | return mDimWinAnimator == winAnimator && mDimLayer.isDimming(); |
| 209 | } |
| 210 | |
| 211 | void startDimmingIfNeeded(WindowStateAnimator newWinAnimator) { |
| 212 | // Only set dim params on the highest dimmed layer. |
| 213 | final WindowStateAnimator existingDimWinAnimator = mDimWinAnimator; |
| 214 | // Don't turn on for an unshown surface, or for any layer but the highest dimmed layer. |
| 215 | if (newWinAnimator.mSurfaceShown && (existingDimWinAnimator == null |
| 216 | || !existingDimWinAnimator.mSurfaceShown |
| 217 | || existingDimWinAnimator.mAnimLayer < newWinAnimator.mAnimLayer)) { |
| 218 | mDimWinAnimator = newWinAnimator; |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | void stopDimmingIfNeeded() { |
| 223 | if (!mDimmingTag && isDimming()) { |
| 224 | mDimWinAnimator = null; |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | void setAnimationBackground(WindowStateAnimator winAnimator, int color) { |
| 229 | int animLayer = winAnimator.mAnimLayer; |
| 230 | if (mAnimationBackgroundAnimator == null |
| 231 | || animLayer < mAnimationBackgroundAnimator.mAnimLayer) { |
| 232 | mAnimationBackgroundAnimator = winAnimator; |
| 233 | animLayer = mService.adjustAnimationBackground(winAnimator); |
| 234 | mAnimationBackgroundSurface.show(animLayer - WindowManagerService.LAYER_OFFSET_DIM, |
| 235 | ((color >> 24) & 0xff) / 255f, 0); |
| 236 | } |
| 237 | } |
| 238 | |
Craig Mautner | d76dcdc | 2013-06-06 11:26:15 -0700 | [diff] [blame] | 239 | void setBounds(Rect bounds, boolean underStatusBar) { |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 240 | mDimLayer.setBounds(bounds); |
| 241 | mAnimationBackgroundSurface.setBounds(bounds); |
Craig Mautner | b3b36ba | 2013-05-20 13:21:10 -0700 | [diff] [blame] | 242 | |
| 243 | final ArrayList<WindowState> resizingWindows = mService.mResizingWindows; |
| 244 | for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| 245 | final ArrayList<AppWindowToken> activities = mTasks.get(taskNdx).mAppTokens; |
| 246 | for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { |
| 247 | final ArrayList<WindowState> windows = activities.get(activityNdx).allAppWindows; |
| 248 | for (int winNdx = windows.size() - 1; winNdx >= 0; --winNdx) { |
| 249 | final WindowState win = windows.get(winNdx); |
| 250 | if (!resizingWindows.contains(win)) { |
| 251 | resizingWindows.add(win); |
| 252 | } |
Craig Mautner | d76dcdc | 2013-06-06 11:26:15 -0700 | [diff] [blame] | 253 | win.mUnderStatusBar = underStatusBar; |
Craig Mautner | b3b36ba | 2013-05-20 13:21:10 -0700 | [diff] [blame] | 254 | } |
| 255 | } |
| 256 | } |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 257 | } |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 258 | |
| 259 | public void dump(String prefix, PrintWriter pw) { |
| 260 | pw.print(prefix); pw.print("mStackId="); pw.println(mStackId); |
| 261 | for (int taskNdx = 0; taskNdx < mTasks.size(); ++taskNdx) { |
| 262 | pw.print(prefix); pw.println(mTasks.get(taskNdx)); |
| 263 | } |
Craig Mautner | 05d2903 | 2013-05-03 13:40:13 -0700 | [diff] [blame] | 264 | if (mAnimationBackgroundSurface.isDimming()) { |
| 265 | pw.print(prefix); pw.println("mWindowAnimationBackgroundSurface:"); |
| 266 | mAnimationBackgroundSurface.printTo(prefix + " ", pw); |
| 267 | } |
| 268 | if (mDimLayer.isDimming()) { |
| 269 | pw.print(prefix); pw.println("mDimLayer:"); |
| 270 | mDimLayer.printTo(prefix, pw); |
| 271 | pw.print(prefix); pw.print("mDimWinAnimator="); pw.println(mDimWinAnimator); |
| 272 | } |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 273 | } |
Craig Mautner | 4cd0c13f | 2013-04-16 15:55:52 -0700 | [diff] [blame] | 274 | |
| 275 | @Override |
| 276 | public String toString() { |
| 277 | return "{stackId=" + mStackId + " tasks=" + mTasks + "}"; |
| 278 | } |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 279 | } |