Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -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.server.wm; |
| 18 | |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 19 | import android.graphics.Rect; |
Craig Mautner | b47bbc3 | 2012-08-22 17:41:48 -0700 | [diff] [blame] | 20 | import android.view.Display; |
Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -0700 | [diff] [blame] | 21 | import android.view.DisplayInfo; |
| 22 | |
Craig Mautner | 9e4f28c | 2013-04-03 10:53:23 -0700 | [diff] [blame^] | 23 | import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID; |
| 24 | |
Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -0700 | [diff] [blame] | 25 | import java.io.PrintWriter; |
| 26 | import java.util.ArrayList; |
| 27 | |
| 28 | class DisplayContentList extends ArrayList<DisplayContent> { |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * Utility class for keeping track of the WindowStates and other pertinent contents of a |
| 33 | * particular Display. |
| 34 | * |
| 35 | * IMPORTANT: No method from this class should ever be used without holding |
| 36 | * WindowManagerService.mWindowMap. |
| 37 | */ |
| 38 | class DisplayContent { |
Craig Mautner | 496bdbb | 2013-02-14 09:32:55 -0800 | [diff] [blame] | 39 | // private final static String TAG = "DisplayContent"; |
Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -0700 | [diff] [blame] | 40 | |
| 41 | /** Unique identifier of this stack. */ |
| 42 | private final int mDisplayId; |
| 43 | |
| 44 | /** Z-ordered (bottom-most first) list of all Window objects. Assigned to an element |
| 45 | * from mDisplayWindows; */ |
| 46 | private WindowList mWindows = new WindowList(); |
| 47 | |
Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -0700 | [diff] [blame] | 48 | // This protects the following display size properties, so that |
| 49 | // getDisplaySize() doesn't need to acquire the global lock. This is |
| 50 | // needed because the window manager sometimes needs to use ActivityThread |
| 51 | // while it has its global state locked (for example to load animation |
| 52 | // resources), but the ActivityThread also needs get the current display |
| 53 | // size sometimes when it has its package lock held. |
| 54 | // |
| 55 | // These will only be modified with both mWindowMap and mDisplaySizeLock |
| 56 | // held (in that order) so the window manager doesn't need to acquire this |
| 57 | // lock when needing these values in its normal operation. |
| 58 | final Object mDisplaySizeLock = new Object(); |
| 59 | int mInitialDisplayWidth = 0; |
| 60 | int mInitialDisplayHeight = 0; |
Dianne Hackborn | dde331c | 2012-08-03 14:01:57 -0700 | [diff] [blame] | 61 | int mInitialDisplayDensity = 0; |
Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -0700 | [diff] [blame] | 62 | int mBaseDisplayWidth = 0; |
| 63 | int mBaseDisplayHeight = 0; |
Dianne Hackborn | dde331c | 2012-08-03 14:01:57 -0700 | [diff] [blame] | 64 | int mBaseDisplayDensity = 0; |
Craig Mautner | 2d5618c | 2012-10-18 13:55:47 -0700 | [diff] [blame] | 65 | private final DisplayInfo mDisplayInfo = new DisplayInfo(); |
| 66 | private final Display mDisplay; |
Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -0700 | [diff] [blame] | 67 | |
Craig Mautner | 3983419 | 2012-09-02 07:47:24 -0700 | [diff] [blame] | 68 | // Accessed directly by all users. |
| 69 | boolean layoutNeeded; |
Craig Mautner | 76a7165 | 2012-09-03 23:23:58 -0700 | [diff] [blame] | 70 | int pendingLayoutChanges; |
Craig Mautner | 69b0818 | 2012-09-05 13:07:13 -0700 | [diff] [blame] | 71 | final boolean isDefaultDisplay; |
Craig Mautner | 3983419 | 2012-09-02 07:47:24 -0700 | [diff] [blame] | 72 | |
Craig Mautner | 2d5618c | 2012-10-18 13:55:47 -0700 | [diff] [blame] | 73 | /** |
Craig Mautner | b1fd65c0 | 2013-02-05 13:34:57 -0800 | [diff] [blame] | 74 | * Window tokens that are in the process of exiting, but still |
| 75 | * on screen for animations. |
| 76 | */ |
| 77 | final ArrayList<WindowToken> mExitingTokens = new ArrayList<WindowToken>(); |
| 78 | |
| 79 | /** |
| 80 | * Application tokens that are in the process of exiting, but still |
| 81 | * on screen for animations. |
| 82 | */ |
| 83 | final AppTokenList mExitingAppTokens = new AppTokenList(); |
| 84 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 85 | private ArrayList<StackBox> mStackBoxes = new ArrayList<StackBox>(); |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 86 | |
Craig Mautner | b1fd65c0 | 2013-02-05 13:34:57 -0800 | [diff] [blame] | 87 | /** |
| 88 | * Sorted most recent at top, oldest at [0]. |
| 89 | */ |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 90 | ArrayList<Task> mTmpTasks = new ArrayList<Task>(); |
Craig Mautner | b1fd65c0 | 2013-02-05 13:34:57 -0800 | [diff] [blame] | 91 | |
| 92 | /** |
Craig Mautner | 2d5618c | 2012-10-18 13:55:47 -0700 | [diff] [blame] | 93 | * @param display May not be null. |
| 94 | */ |
Craig Mautner | b47bbc3 | 2012-08-22 17:41:48 -0700 | [diff] [blame] | 95 | DisplayContent(Display display) { |
| 96 | mDisplay = display; |
| 97 | mDisplayId = display.getDisplayId(); |
| 98 | display.getDisplayInfo(mDisplayInfo); |
Craig Mautner | 69b0818 | 2012-09-05 13:07:13 -0700 | [diff] [blame] | 99 | isDefaultDisplay = mDisplayId == Display.DEFAULT_DISPLAY; |
Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -0700 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | int getDisplayId() { |
| 103 | return mDisplayId; |
| 104 | } |
| 105 | |
| 106 | WindowList getWindowList() { |
| 107 | return mWindows; |
| 108 | } |
| 109 | |
Craig Mautner | b47bbc3 | 2012-08-22 17:41:48 -0700 | [diff] [blame] | 110 | Display getDisplay() { |
| 111 | return mDisplay; |
| 112 | } |
| 113 | |
Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -0700 | [diff] [blame] | 114 | DisplayInfo getDisplayInfo() { |
| 115 | return mDisplayInfo; |
| 116 | } |
| 117 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 118 | /** |
| 119 | * Retrieve the tasks on this display in stack order from the topmost TaskStack down. |
| 120 | * Note that the order of TaskStacks in the same StackBox is defined within StackBox. |
| 121 | * @return All the Tasks, in order, on this display. |
| 122 | */ |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 123 | ArrayList<Task> getTasks() { |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 124 | mTmpTasks.clear(); |
| 125 | int numBoxes = mStackBoxes.size(); |
| 126 | for (int boxNdx = 0; boxNdx < numBoxes; ++boxNdx) { |
| 127 | mTmpTasks.addAll(mStackBoxes.get(boxNdx).getTasks()); |
| 128 | } |
| 129 | return mTmpTasks; |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 130 | } |
| 131 | |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 132 | public void updateDisplayInfo() { |
| 133 | mDisplay.getDisplayInfo(mDisplayInfo); |
| 134 | } |
| 135 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 136 | /** @return The number of tokens in all of the Tasks on this display. */ |
Craig Mautner | f81b9087 | 2013-02-26 13:02:43 -0800 | [diff] [blame] | 137 | int numTokens() { |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 138 | getTasks(); |
Craig Mautner | f81b9087 | 2013-02-26 13:02:43 -0800 | [diff] [blame] | 139 | int count = 0; |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 140 | for (int taskNdx = mTmpTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| 141 | count += mTmpTasks.get(taskNdx).mAppTokens.size(); |
Craig Mautner | 05d6272ba | 2013-02-11 09:39:27 -0800 | [diff] [blame] | 142 | } |
Craig Mautner | f81b9087 | 2013-02-26 13:02:43 -0800 | [diff] [blame] | 143 | return count; |
Craig Mautner | 05d6272ba | 2013-02-11 09:39:27 -0800 | [diff] [blame] | 144 | } |
| 145 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 146 | /** Refer to {@link WindowManagerService#createStack(int, int, int, float)} */ |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 147 | TaskStack createStack(int stackId, int relativeStackId, int position, float weight) { |
| 148 | TaskStack newStack = null; |
| 149 | if (mStackBoxes.isEmpty()) { |
| 150 | StackBox newBox = new StackBox(this, new Rect(0, 0, mDisplayInfo.logicalWidth, |
| 151 | mDisplayInfo.logicalHeight)); |
| 152 | mStackBoxes.add(newBox); |
| 153 | newStack = new TaskStack(stackId, newBox); |
| 154 | newBox.mStack = newStack; |
| 155 | } else { |
| 156 | int stackBoxNdx; |
| 157 | for (stackBoxNdx = mStackBoxes.size() - 1; stackBoxNdx >= 0; --stackBoxNdx) { |
| 158 | final StackBox box = mStackBoxes.get(stackBoxNdx); |
| 159 | if (position == StackBox.TASK_STACK_GOES_OVER |
| 160 | || position == StackBox.TASK_STACK_GOES_UNDER) { |
| 161 | // Position indicates a new box is added at top level only. |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 162 | if (box.contains(relativeStackId)) { |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 163 | final int offset = position == StackBox.TASK_STACK_GOES_OVER ? 1 : 0; |
| 164 | StackBox newBox = new StackBox(this, box.mBounds); |
| 165 | newStack = new TaskStack(stackId, newBox); |
| 166 | newBox.mStack = newStack; |
| 167 | mStackBoxes.add(stackBoxNdx + offset, newBox); |
| 168 | break; |
| 169 | } |
| 170 | } else { |
| 171 | // Remaining position values indicate a box must be split. |
| 172 | newStack = box.split(stackId, relativeStackId, position, weight); |
| 173 | if (newStack != null) { |
| 174 | break; |
| 175 | } |
| 176 | } |
| 177 | } |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 178 | if (stackBoxNdx < 0) { |
| 179 | throw new IllegalArgumentException("createStack: stackId " + relativeStackId |
| 180 | + " not found."); |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 181 | } |
| 182 | } |
| 183 | return newStack; |
| 184 | } |
| 185 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 186 | /** Refer to {@link WindowManagerService#resizeStack(int, float)} */ |
Craig Mautner | c00204b | 2013-03-05 15:02:14 -0800 | [diff] [blame] | 187 | boolean resizeStack(int stackId, float weight) { |
| 188 | int stackBoxNdx; |
| 189 | for (stackBoxNdx = mStackBoxes.size() - 1; stackBoxNdx >= 0; --stackBoxNdx) { |
| 190 | final StackBox box = mStackBoxes.get(stackBoxNdx); |
| 191 | if (box.resize(stackId, weight)) { |
| 192 | return true; |
| 193 | } |
| 194 | } |
| 195 | return false; |
| 196 | } |
| 197 | |
Craig Mautner | 9e4f28c | 2013-04-03 10:53:23 -0700 | [diff] [blame^] | 198 | void removeStackBox(StackBox box) { |
| 199 | final TaskStack stack = box.mStack; |
| 200 | if (stack != null && stack.mStackId == HOME_STACK_ID) { |
| 201 | // Never delete the home stack, even if it is empty. |
| 202 | return; |
| 203 | } |
| 204 | mStackBoxes.remove(box); |
| 205 | } |
| 206 | |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 207 | /** |
| 208 | * Reorder a StackBox within mStackBox. The StackBox to reorder is the one containing the |
| 209 | * specified TaskStack. |
| 210 | * @param stackId The TaskStack to reorder. |
| 211 | * @param toTop Move to the top of all StackBoxes if true, to the bottom if false. Only the |
| 212 | * topmost layer of StackBoxes, those in mStackBoxes can be reordered. |
| 213 | */ |
| 214 | void moveStackBox(int stackId, boolean toTop) { |
| 215 | for (int stackBoxNdx = mStackBoxes.size() - 1; stackBoxNdx >= 0; --stackBoxNdx) { |
| 216 | final StackBox box = mStackBoxes.get(stackBoxNdx); |
| 217 | if (box.contains(stackId)) { |
| 218 | mStackBoxes.remove(box); |
| 219 | mStackBoxes.add(toTop ? mStackBoxes.size() : 0, box); |
| 220 | return; |
| 221 | } |
| 222 | } |
| 223 | } |
| 224 | |
Craig Mautner | a91f9e2 | 2012-09-14 16:22:08 -0700 | [diff] [blame] | 225 | public void dump(String prefix, PrintWriter pw) { |
| 226 | pw.print(prefix); pw.print("Display: mDisplayId="); pw.println(mDisplayId); |
| 227 | final String subPrefix = " " + prefix; |
| 228 | pw.print(subPrefix); pw.print("init="); pw.print(mInitialDisplayWidth); pw.print("x"); |
| 229 | pw.print(mInitialDisplayHeight); pw.print(" "); pw.print(mInitialDisplayDensity); |
| 230 | pw.print("dpi"); |
| 231 | if (mInitialDisplayWidth != mBaseDisplayWidth |
| 232 | || mInitialDisplayHeight != mBaseDisplayHeight |
| 233 | || mInitialDisplayDensity != mBaseDisplayDensity) { |
| 234 | pw.print(" base="); |
| 235 | pw.print(mBaseDisplayWidth); pw.print("x"); pw.print(mBaseDisplayHeight); |
| 236 | pw.print(" "); pw.print(mBaseDisplayDensity); pw.print("dpi"); |
| 237 | } |
| 238 | pw.print(" cur="); |
| 239 | pw.print(mDisplayInfo.logicalWidth); |
| 240 | pw.print("x"); pw.print(mDisplayInfo.logicalHeight); |
| 241 | pw.print(" app="); |
| 242 | pw.print(mDisplayInfo.appWidth); |
| 243 | pw.print("x"); pw.print(mDisplayInfo.appHeight); |
| 244 | pw.print(" rng="); pw.print(mDisplayInfo.smallestNominalAppWidth); |
| 245 | pw.print("x"); pw.print(mDisplayInfo.smallestNominalAppHeight); |
| 246 | pw.print("-"); pw.print(mDisplayInfo.largestNominalAppWidth); |
| 247 | pw.print("x"); pw.println(mDisplayInfo.largestNominalAppHeight); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 248 | pw.print(subPrefix); pw.print("layoutNeeded="); pw.println(layoutNeeded); |
Craig Mautner | 00af9fe | 2013-03-25 09:13:41 -0700 | [diff] [blame] | 249 | for (int boxNdx = 0; boxNdx < mStackBoxes.size(); ++boxNdx) { |
| 250 | pw.print(prefix); pw.print("StackBox #"); pw.println(boxNdx); |
| 251 | mStackBoxes.get(boxNdx).dump(prefix + " ", pw); |
| 252 | } |
Craig Mautner | f81b9087 | 2013-02-26 13:02:43 -0800 | [diff] [blame] | 253 | int ndx = numTokens(); |
| 254 | if (ndx > 0) { |
Craig Mautner | b1fd65c0 | 2013-02-05 13:34:57 -0800 | [diff] [blame] | 255 | pw.println(); |
| 256 | pw.println(" Application tokens in Z order:"); |
Craig Mautner | d9a2288 | 2013-03-16 15:00:36 -0700 | [diff] [blame] | 257 | getTasks(); |
| 258 | for (int taskNdx = mTmpTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| 259 | AppTokenList tokens = mTmpTasks.get(taskNdx).mAppTokens; |
Craig Mautner | f81b9087 | 2013-02-26 13:02:43 -0800 | [diff] [blame] | 260 | for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) { |
| 261 | final AppWindowToken wtoken = tokens.get(tokenNdx); |
| 262 | pw.print(" App #"); pw.print(ndx--); |
| 263 | pw.print(' '); pw.print(wtoken); pw.println(":"); |
| 264 | wtoken.dump(pw, " "); |
| 265 | } |
Craig Mautner | b1fd65c0 | 2013-02-05 13:34:57 -0800 | [diff] [blame] | 266 | } |
| 267 | } |
| 268 | if (mExitingTokens.size() > 0) { |
| 269 | pw.println(); |
| 270 | pw.println(" Exiting tokens:"); |
| 271 | for (int i=mExitingTokens.size()-1; i>=0; i--) { |
| 272 | WindowToken token = mExitingTokens.get(i); |
| 273 | pw.print(" Exiting #"); pw.print(i); |
| 274 | pw.print(' '); pw.print(token); |
| 275 | pw.println(':'); |
| 276 | token.dump(pw, " "); |
| 277 | } |
| 278 | } |
| 279 | if (mExitingAppTokens.size() > 0) { |
| 280 | pw.println(); |
| 281 | pw.println(" Exiting application tokens:"); |
| 282 | for (int i=mExitingAppTokens.size()-1; i>=0; i--) { |
| 283 | WindowToken token = mExitingAppTokens.get(i); |
| 284 | pw.print(" Exiting App #"); pw.print(i); |
| 285 | pw.print(' '); pw.print(token); |
| 286 | pw.println(':'); |
| 287 | token.dump(pw, " "); |
| 288 | } |
| 289 | } |
Craig Mautner | 59c0097 | 2012-07-30 12:10:24 -0700 | [diff] [blame] | 290 | pw.println(); |
| 291 | } |
| 292 | } |