1 /* 2 * Copyright (C) 2011 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 19 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 20 21 import com.android.server.wm.WindowManagerService.H; 22 23 import android.content.pm.ActivityInfo; 24 import android.os.Message; 25 import android.os.RemoteException; 26 import android.util.Slog; 27 import android.view.IApplicationToken; 28 import android.view.View; 29 import android.view.WindowManager; 30 import android.view.animation.Animation; 31 import android.view.animation.Transformation; 32 33 import java.io.PrintWriter; 34 import java.util.ArrayList; 35 36 /** 37 * Version of WindowToken that is specifically for a particular application (or 38 * really activity) that is displaying windows. 39 */ 40 class AppWindowToken extends WindowToken { 41 // Non-null only for application tokens. 42 final IApplicationToken appToken; 43 44 // All of the windows and child windows that are included in this 45 // application token. Note this list is NOT sorted! 46 final ArrayList<WindowState> allAppWindows = new ArrayList<WindowState>(); 47 48 int groupId = -1; 49 boolean appFullscreen; 50 int requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; 51 52 // The input dispatching timeout for this application token in nanoseconds. 53 long inputDispatchingTimeoutNanos; 54 55 // These are used for determining when all windows associated with 56 // an activity have been drawn, so they can be made visible together 57 // at the same time. 58 int lastTransactionSequence; 59 int numInterestingWindows; 60 int numDrawnWindows; 61 boolean inPendingTransaction; 62 boolean allDrawn; 63 64 // Is this token going to be hidden in a little while? If so, it 65 // won't be taken into account for setting the screen orientation. 66 boolean willBeHidden; 67 68 // Is this window's surface needed? This is almost like hidden, except 69 // it will sometimes be true a little earlier: when the token has 70 // been shown, but is still waiting for its app transition to execute 71 // before making its windows shown. 72 boolean hiddenRequested; 73 74 // Have we told the window clients to hide themselves? 75 boolean clientHidden; 76 77 // Last visibility state we reported to the app token. 78 boolean reportedVisible; 79 80 // Last drawn state we reported to the app token. 81 boolean reportedDrawn; 82 83 // Set to true when the token has been removed from the window mgr. 84 boolean removed; 85 86 // Have we been asked to have this token keep the screen frozen? 87 boolean freezingScreen; 88 89 boolean animating; 90 Animation animation; 91 boolean hasTransformation; 92 final Transformation transformation = new Transformation(); 93 94 // Offset to the window of all layers in the token, for use by 95 // AppWindowToken animations. 96 int animLayerAdjustment; 97 98 // Information about an application starting window if displayed. 99 StartingData startingData; 100 WindowState startingWindow; 101 View startingView; 102 boolean startingDisplayed; 103 boolean startingMoved; 104 boolean firstWindowDrawn; 105 106 // Input application handle used by the input dispatcher. 107 final InputApplicationHandle mInputApplicationHandle; 108 109 AppWindowToken(WindowManagerService _service, IApplicationToken _token) { 110 super(_service, _token.asBinder(), 111 WindowManager.LayoutParams.TYPE_APPLICATION, true); 112 appWindowToken = this; 113 appToken = _token; 114 mInputApplicationHandle = new InputApplicationHandle(this); 115 lastTransactionSequence = service.mTransactionSequence-1; 116 } 117 118 public void setAnimation(Animation anim) { 119 if (WindowManagerService.localLOGV) Slog.v( 120 WindowManagerService.TAG, "Setting animation in " + this + ": " + anim); 121 animation = anim; 122 animating = false; 123 anim.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION); 124 anim.scaleCurrentDuration(service.mTransitionAnimationScale); 125 int zorder = anim.getZAdjustment(); 126 int adj = 0; 127 if (zorder == Animation.ZORDER_TOP) { 128 adj = WindowManagerService.TYPE_LAYER_OFFSET; 129 } else if (zorder == Animation.ZORDER_BOTTOM) { 130 adj = -WindowManagerService.TYPE_LAYER_OFFSET; 131 } 132 133 if (animLayerAdjustment != adj) { 134 animLayerAdjustment = adj; 135 updateLayers(); 136 } 137 } 138 139 public void setDummyAnimation() { 140 if (animation == null) { 141 if (WindowManagerService.localLOGV) Slog.v( 142 WindowManagerService.TAG, "Setting dummy animation in " + this); 143 animation = WindowManagerService.sDummyAnimation; 144 } 145 } 146 147 public void clearAnimation() { 148 if (animation != null) { 149 animation = null; 150 animating = true; 151 } 152 } 153 154 void updateLayers() { 155 final int N = allAppWindows.size(); 156 final int adj = animLayerAdjustment; 157 for (int i=0; i<N; i++) { 158 WindowState w = allAppWindows.get(i); 159 w.mAnimLayer = w.mLayer + adj; 160 if (WindowManagerService.DEBUG_LAYERS) Slog.v(WindowManagerService.TAG, "Updating layer " + w + ": " 161 + w.mAnimLayer); 162 if (w == service.mInputMethodTarget && !service.mInputMethodTargetWaitingAnim) { 163 service.setInputMethodAnimLayerAdjustment(adj); 164 } 165 if (w == service.mWallpaperTarget && service.mLowerWallpaperTarget == null) { 166 service.setWallpaperAnimLayerAdjustmentLocked(adj); 167 } 168 } 169 } 170 171 void sendAppVisibilityToClients() { 172 final int N = allAppWindows.size(); 173 for (int i=0; i<N; i++) { 174 WindowState win = allAppWindows.get(i); 175 if (win == startingWindow && clientHidden) { 176 // Don't hide the starting window. 177 continue; 178 } 179 try { 180 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, 181 "Setting visibility of " + win + ": " + (!clientHidden)); 182 win.mClient.dispatchAppVisibility(!clientHidden); 183 } catch (RemoteException e) { 184 } 185 } 186 } 187 188 void showAllWindowsLocked() { 189 final int NW = allAppWindows.size(); 190 for (int i=0; i<NW; i++) { 191 WindowState w = allAppWindows.get(i); 192 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, 193 "performing show on: " + w); 194 w.performShowLocked(); 195 } 196 } 197 198 // This must be called while inside a transaction. 199 boolean stepAnimationLocked(long currentTime, int dw, int dh) { 200 if (!service.mDisplayFrozen && service.mPolicy.isScreenOnFully()) { 201 // We will run animations as long as the display isn't frozen. 202 203 if (animation == WindowManagerService.sDummyAnimation) { 204 // This guy is going to animate, but not yet. For now count 205 // it as not animating for purposes of scheduling transactions; 206 // when it is really time to animate, this will be set to 207 // a real animation and the next call will execute normally. 208 return false; 209 } 210 211 if ((allDrawn || animating || startingDisplayed) && animation != null) { 212 if (!animating) { 213 if (WindowManagerService.DEBUG_ANIM) Slog.v( 214 WindowManagerService.TAG, "Starting animation in " + this + 215 " @ " + currentTime + ": dw=" + dw + " dh=" + dh 216 + " scale=" + service.mTransitionAnimationScale 217 + " allDrawn=" + allDrawn + " animating=" + animating); 218 animation.initialize(dw, dh, dw, dh); 219 animation.setStartTime(currentTime); 220 animating = true; 221 } 222 transformation.clear(); 223 final boolean more = animation.getTransformation( 224 currentTime, transformation); 225 if (WindowManagerService.DEBUG_ANIM) Slog.v( 226 WindowManagerService.TAG, "Stepped animation in " + this + 227 ": more=" + more + ", xform=" + transformation); 228 if (more) { 229 // we're done! 230 hasTransformation = true; 231 return true; 232 } 233 if (WindowManagerService.DEBUG_ANIM) Slog.v( 234 WindowManagerService.TAG, "Finished animation in " + this + 235 " @ " + currentTime); 236 animation = null; 237 } 238 } else if (animation != null) { 239 // If the display is frozen, and there is a pending animation, 240 // clear it and make sure we run the cleanup code. 241 animating = true; 242 animation = null; 243 } 244 245 hasTransformation = false; 246 247 if (!animating) { 248 return false; 249 } 250 251 clearAnimation(); 252 animating = false; 253 if (animLayerAdjustment != 0) { 254 animLayerAdjustment = 0; 255 updateLayers(); 256 } 257 if (service.mInputMethodTarget != null && service.mInputMethodTarget.mAppToken == this) { 258 service.moveInputMethodWindowsIfNeededLocked(true); 259 } 260 261 if (WindowManagerService.DEBUG_ANIM) Slog.v( 262 WindowManagerService.TAG, "Animation done in " + this 263 + ": reportedVisible=" + reportedVisible); 264 265 transformation.clear(); 266 267 final int N = windows.size(); 268 for (int i=0; i<N; i++) { 269 windows.get(i).finishExit(); 270 } 271 updateReportedVisibilityLocked(); 272 273 return false; 274 } 275 276 void updateReportedVisibilityLocked() { 277 if (appToken == null) { 278 return; 279 } 280 281 int numInteresting = 0; 282 int numVisible = 0; 283 int numDrawn = 0; 284 boolean nowGone = true; 285 286 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "Update reported visibility: " + this); 287 final int N = allAppWindows.size(); 288 for (int i=0; i<N; i++) { 289 WindowState win = allAppWindows.get(i); 290 if (win == startingWindow || win.mAppFreezing 291 || win.mViewVisibility != View.VISIBLE 292 || win.mAttrs.type == TYPE_APPLICATION_STARTING 293 || win.mDestroying) { 294 continue; 295 } 296 if (WindowManagerService.DEBUG_VISIBILITY) { 297 Slog.v(WindowManagerService.TAG, "Win " + win + ": isDrawn=" 298 + win.isDrawnLw() 299 + ", isAnimating=" + win.isAnimating()); 300 if (!win.isDrawnLw()) { 301 Slog.v(WindowManagerService.TAG, "Not displayed: s=" + win.mSurface 302 + " pv=" + win.mPolicyVisibility 303 + " dp=" + win.mDrawPending 304 + " cdp=" + win.mCommitDrawPending 305 + " ah=" + win.mAttachedHidden 306 + " th=" 307 + (win.mAppToken != null 308 ? win.mAppToken.hiddenRequested : false) 309 + " a=" + win.mAnimating); 310 } 311 } 312 numInteresting++; 313 if (win.isDrawnLw()) { 314 numDrawn++; 315 if (!win.isAnimating()) { 316 numVisible++; 317 } 318 nowGone = false; 319 } else if (win.isAnimating()) { 320 nowGone = false; 321 } 322 } 323 324 boolean nowDrawn = numInteresting > 0 && numDrawn >= numInteresting; 325 boolean nowVisible = numInteresting > 0 && numVisible >= numInteresting; 326 if (!nowGone) { 327 // If the app is not yet gone, then it can only become visible/drawn. 328 if (!nowDrawn) { 329 nowDrawn = reportedDrawn; 330 } 331 if (!nowVisible) { 332 nowVisible = reportedVisible; 333 } 334 } 335 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "VIS " + this + ": interesting=" 336 + numInteresting + " visible=" + numVisible); 337 if (nowDrawn != reportedDrawn) { 338 if (nowDrawn) { 339 Message m = service.mH.obtainMessage( 340 H.REPORT_APPLICATION_TOKEN_DRAWN, this); 341 service.mH.sendMessage(m); 342 } 343 reportedDrawn = nowDrawn; 344 } 345 if (nowVisible != reportedVisible) { 346 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v( 347 WindowManagerService.TAG, "Visibility changed in " + this 348 + ": vis=" + nowVisible); 349 reportedVisible = nowVisible; 350 Message m = service.mH.obtainMessage( 351 H.REPORT_APPLICATION_TOKEN_WINDOWS, 352 nowVisible ? 1 : 0, 353 nowGone ? 1 : 0, 354 this); 355 service.mH.sendMessage(m); 356 } 357 } 358 359 WindowState findMainWindow() { 360 int j = windows.size(); 361 while (j > 0) { 362 j--; 363 WindowState win = windows.get(j); 364 if (win.mAttrs.type == WindowManager.LayoutParams.TYPE_BASE_APPLICATION 365 || win.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { 366 return win; 367 } 368 } 369 return null; 370 } 371 372 void dump(PrintWriter pw, String prefix) { 373 super.dump(pw, prefix); 374 if (appToken != null) { 375 pw.print(prefix); pw.println("app=true"); 376 } 377 if (allAppWindows.size() > 0) { 378 pw.print(prefix); pw.print("allAppWindows="); pw.println(allAppWindows); 379 } 380 pw.print(prefix); pw.print("groupId="); pw.print(groupId); 381 pw.print(" appFullscreen="); pw.print(appFullscreen); 382 pw.print(" requestedOrientation="); pw.println(requestedOrientation); 383 pw.print(prefix); pw.print("hiddenRequested="); pw.print(hiddenRequested); 384 pw.print(" clientHidden="); pw.print(clientHidden); 385 pw.print(" willBeHidden="); pw.print(willBeHidden); 386 pw.print(" reportedDrawn="); pw.print(reportedDrawn); 387 pw.print(" reportedVisible="); pw.println(reportedVisible); 388 if (paused || freezingScreen) { 389 pw.print(prefix); pw.print("paused="); pw.print(paused); 390 pw.print(" freezingScreen="); pw.println(freezingScreen); 391 } 392 if (numInterestingWindows != 0 || numDrawnWindows != 0 393 || inPendingTransaction || allDrawn) { 394 pw.print(prefix); pw.print("numInterestingWindows="); 395 pw.print(numInterestingWindows); 396 pw.print(" numDrawnWindows="); pw.print(numDrawnWindows); 397 pw.print(" inPendingTransaction="); pw.print(inPendingTransaction); 398 pw.print(" allDrawn="); pw.println(allDrawn); 399 } 400 if (animating || animation != null) { 401 pw.print(prefix); pw.print("animating="); pw.print(animating); 402 pw.print(" animation="); pw.println(animation); 403 } 404 if (hasTransformation) { 405 pw.print(prefix); pw.print("XForm: "); 406 transformation.printShortString(pw); 407 pw.println(); 408 } 409 if (animLayerAdjustment != 0) { 410 pw.print(prefix); pw.print("animLayerAdjustment="); pw.println(animLayerAdjustment); 411 } 412 if (startingData != null || removed || firstWindowDrawn) { 413 pw.print(prefix); pw.print("startingData="); pw.print(startingData); 414 pw.print(" removed="); pw.print(removed); 415 pw.print(" firstWindowDrawn="); pw.println(firstWindowDrawn); 416 } 417 if (startingWindow != null || startingView != null 418 || startingDisplayed || startingMoved) { 419 pw.print(prefix); pw.print("startingWindow="); pw.print(startingWindow); 420 pw.print(" startingView="); pw.print(startingView); 421 pw.print(" startingDisplayed="); pw.print(startingDisplayed); 422 pw.print(" startingMoved"); pw.println(startingMoved); 423 } 424 } 425 426 @Override 427 public String toString() { 428 if (stringName == null) { 429 StringBuilder sb = new StringBuilder(); 430 sb.append("AppWindowToken{"); 431 sb.append(Integer.toHexString(System.identityHashCode(this))); 432 sb.append(" token="); sb.append(token); sb.append('}'); 433 stringName = sb.toString(); 434 } 435 return stringName; 436 } 437 }