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 // Set to true when the token has been removed from the window mgr. 81 boolean removed; 82 83 // Have we been asked to have this token keep the screen frozen? 84 boolean freezingScreen; 85 86 boolean animating; 87 Animation animation; 88 boolean hasTransformation; 89 final Transformation transformation = new Transformation(); 90 91 // Offset to the window of all layers in the token, for use by 92 // AppWindowToken animations. 93 int animLayerAdjustment; 94 95 // Information about an application starting window if displayed. 96 StartingData startingData; 97 WindowState startingWindow; 98 View startingView; 99 boolean startingDisplayed; 100 boolean startingMoved; 101 boolean firstWindowDrawn; 102 103 // Input application handle used by the input dispatcher. 104 final InputApplicationHandle mInputApplicationHandle; 105 106 AppWindowToken(WindowManagerService _service, IApplicationToken _token) { 107 super(_service, _token.asBinder(), 108 WindowManager.LayoutParams.TYPE_APPLICATION, true); 109 appWindowToken = this; 110 appToken = _token; 111 mInputApplicationHandle = new InputApplicationHandle(this); 112 lastTransactionSequence = service.mTransactionSequence-1; 113 } 114 115 public void setAnimation(Animation anim) { 116 if (WindowManagerService.localLOGV) Slog.v( 117 WindowManagerService.TAG, "Setting animation in " + this + ": " + anim); 118 animation = anim; 119 animating = false; 120 anim.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION); 121 anim.scaleCurrentDuration(service.mTransitionAnimationScale); 122 int zorder = anim.getZAdjustment(); 123 int adj = 0; 124 if (zorder == Animation.ZORDER_TOP) { 125 adj = WindowManagerService.TYPE_LAYER_OFFSET; 126 } else if (zorder == Animation.ZORDER_BOTTOM) { 127 adj = -WindowManagerService.TYPE_LAYER_OFFSET; 128 } 129 130 if (animLayerAdjustment != adj) { 131 animLayerAdjustment = adj; 132 updateLayers(); 133 } 134 } 135 136 public void setDummyAnimation() { 137 if (animation == null) { 138 if (WindowManagerService.localLOGV) Slog.v( 139 WindowManagerService.TAG, "Setting dummy animation in " + this); 140 animation = WindowManagerService.sDummyAnimation; 141 } 142 } 143 144 public void clearAnimation() { 145 if (animation != null) { 146 animation = null; 147 animating = true; 148 } 149 } 150 151 void updateLayers() { 152 final int N = allAppWindows.size(); 153 final int adj = animLayerAdjustment; 154 for (int i=0; i<N; i++) { 155 WindowState w = allAppWindows.get(i); 156 w.mAnimLayer = w.mLayer + adj; 157 if (WindowManagerService.DEBUG_LAYERS) Slog.v(WindowManagerService.TAG, "Updating layer " + w + ": " 158 + w.mAnimLayer); 159 if (w == service.mInputMethodTarget && !service.mInputMethodTargetWaitingAnim) { 160 service.setInputMethodAnimLayerAdjustment(adj); 161 } 162 if (w == service.mWallpaperTarget && service.mLowerWallpaperTarget == null) { 163 service.setWallpaperAnimLayerAdjustmentLocked(adj); 164 } 165 } 166 } 167 168 void sendAppVisibilityToClients() { 169 final int N = allAppWindows.size(); 170 for (int i=0; i<N; i++) { 171 WindowState win = allAppWindows.get(i); 172 if (win == startingWindow && clientHidden) { 173 // Don't hide the starting window. 174 continue; 175 } 176 try { 177 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, 178 "Setting visibility of " + win + ": " + (!clientHidden)); 179 win.mClient.dispatchAppVisibility(!clientHidden); 180 } catch (RemoteException e) { 181 } 182 } 183 } 184 185 void showAllWindowsLocked() { 186 final int NW = allAppWindows.size(); 187 for (int i=0; i<NW; i++) { 188 WindowState w = allAppWindows.get(i); 189 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, 190 "performing show on: " + w); 191 w.performShowLocked(); 192 } 193 } 194 195 // This must be called while inside a transaction. 196 boolean stepAnimationLocked(long currentTime, int dw, int dh) { 197 if (!service.mDisplayFrozen && service.mPolicy.isScreenOnFully()) { 198 // We will run animations as long as the display isn't frozen. 199 200 if (animation == WindowManagerService.sDummyAnimation) { 201 // This guy is going to animate, but not yet. For now count 202 // it as not animating for purposes of scheduling transactions; 203 // when it is really time to animate, this will be set to 204 // a real animation and the next call will execute normally. 205 return false; 206 } 207 208 if ((allDrawn || animating || startingDisplayed) && animation != null) { 209 if (!animating) { 210 if (WindowManagerService.DEBUG_ANIM) Slog.v( 211 WindowManagerService.TAG, "Starting animation in " + this + 212 " @ " + currentTime + ": dw=" + dw + " dh=" + dh 213 + " scale=" + service.mTransitionAnimationScale 214 + " allDrawn=" + allDrawn + " animating=" + animating); 215 animation.initialize(dw, dh, dw, dh); 216 animation.setStartTime(currentTime); 217 animating = true; 218 } 219 transformation.clear(); 220 final boolean more = animation.getTransformation( 221 currentTime, transformation); 222 if (WindowManagerService.DEBUG_ANIM) Slog.v( 223 WindowManagerService.TAG, "Stepped animation in " + this + 224 ": more=" + more + ", xform=" + transformation); 225 if (more) { 226 // we're done! 227 hasTransformation = true; 228 return true; 229 } 230 if (WindowManagerService.DEBUG_ANIM) Slog.v( 231 WindowManagerService.TAG, "Finished animation in " + this + 232 " @ " + currentTime); 233 animation = null; 234 } 235 } else if (animation != null) { 236 // If the display is frozen, and there is a pending animation, 237 // clear it and make sure we run the cleanup code. 238 animating = true; 239 animation = null; 240 } 241 242 hasTransformation = false; 243 244 if (!animating) { 245 return false; 246 } 247 248 clearAnimation(); 249 animating = false; 250 if (animLayerAdjustment != 0) { 251 animLayerAdjustment = 0; 252 updateLayers(); 253 } 254 if (service.mInputMethodTarget != null && service.mInputMethodTarget.mAppToken == this) { 255 service.moveInputMethodWindowsIfNeededLocked(true); 256 } 257 258 if (WindowManagerService.DEBUG_ANIM) Slog.v( 259 WindowManagerService.TAG, "Animation done in " + this 260 + ": reportedVisible=" + reportedVisible); 261 262 transformation.clear(); 263 264 final int N = windows.size(); 265 for (int i=0; i<N; i++) { 266 windows.get(i).finishExit(); 267 } 268 updateReportedVisibilityLocked(); 269 270 return false; 271 } 272 273 void updateReportedVisibilityLocked() { 274 if (appToken == null) { 275 return; 276 } 277 278 int numInteresting = 0; 279 int numVisible = 0; 280 boolean nowGone = true; 281 282 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "Update reported visibility: " + this); 283 final int N = allAppWindows.size(); 284 for (int i=0; i<N; i++) { 285 WindowState win = allAppWindows.get(i); 286 if (win == startingWindow || win.mAppFreezing 287 || win.mViewVisibility != View.VISIBLE 288 || win.mAttrs.type == TYPE_APPLICATION_STARTING 289 || win.mDestroying) { 290 continue; 291 } 292 if (WindowManagerService.DEBUG_VISIBILITY) { 293 Slog.v(WindowManagerService.TAG, "Win " + win + ": isDrawn=" 294 + win.isDrawnLw() 295 + ", isAnimating=" + win.isAnimating()); 296 if (!win.isDrawnLw()) { 297 Slog.v(WindowManagerService.TAG, "Not displayed: s=" + win.mSurface 298 + " pv=" + win.mPolicyVisibility 299 + " dp=" + win.mDrawPending 300 + " cdp=" + win.mCommitDrawPending 301 + " ah=" + win.mAttachedHidden 302 + " th=" 303 + (win.mAppToken != null 304 ? win.mAppToken.hiddenRequested : false) 305 + " a=" + win.mAnimating); 306 } 307 } 308 numInteresting++; 309 if (win.isDrawnLw()) { 310 if (!win.isAnimating()) { 311 numVisible++; 312 } 313 nowGone = false; 314 } else if (win.isAnimating()) { 315 nowGone = false; 316 } 317 } 318 319 boolean nowVisible = numInteresting > 0 && numVisible >= numInteresting; 320 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "VIS " + this + ": interesting=" 321 + numInteresting + " visible=" + numVisible); 322 if (nowVisible != reportedVisible) { 323 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v( 324 WindowManagerService.TAG, "Visibility changed in " + this 325 + ": vis=" + nowVisible); 326 reportedVisible = nowVisible; 327 Message m = service.mH.obtainMessage( 328 H.REPORT_APPLICATION_TOKEN_WINDOWS, 329 nowVisible ? 1 : 0, 330 nowGone ? 1 : 0, 331 this); 332 service.mH.sendMessage(m); 333 } 334 } 335 336 WindowState findMainWindow() { 337 int j = windows.size(); 338 while (j > 0) { 339 j--; 340 WindowState win = windows.get(j); 341 if (win.mAttrs.type == WindowManager.LayoutParams.TYPE_BASE_APPLICATION 342 || win.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { 343 return win; 344 } 345 } 346 return null; 347 } 348 349 void dump(PrintWriter pw, String prefix) { 350 super.dump(pw, prefix); 351 if (appToken != null) { 352 pw.print(prefix); pw.println("app=true"); 353 } 354 if (allAppWindows.size() > 0) { 355 pw.print(prefix); pw.print("allAppWindows="); pw.println(allAppWindows); 356 } 357 pw.print(prefix); pw.print("groupId="); pw.print(groupId); 358 pw.print(" appFullscreen="); pw.print(appFullscreen); 359 pw.print(" requestedOrientation="); pw.println(requestedOrientation); 360 pw.print(prefix); pw.print("hiddenRequested="); pw.print(hiddenRequested); 361 pw.print(" clientHidden="); pw.print(clientHidden); 362 pw.print(" willBeHidden="); pw.print(willBeHidden); 363 pw.print(" reportedVisible="); pw.println(reportedVisible); 364 if (paused || freezingScreen) { 365 pw.print(prefix); pw.print("paused="); pw.print(paused); 366 pw.print(" freezingScreen="); pw.println(freezingScreen); 367 } 368 if (numInterestingWindows != 0 || numDrawnWindows != 0 369 || inPendingTransaction || allDrawn) { 370 pw.print(prefix); pw.print("numInterestingWindows="); 371 pw.print(numInterestingWindows); 372 pw.print(" numDrawnWindows="); pw.print(numDrawnWindows); 373 pw.print(" inPendingTransaction="); pw.print(inPendingTransaction); 374 pw.print(" allDrawn="); pw.println(allDrawn); 375 } 376 if (animating || animation != null) { 377 pw.print(prefix); pw.print("animating="); pw.print(animating); 378 pw.print(" animation="); pw.println(animation); 379 } 380 if (hasTransformation) { 381 pw.print(prefix); pw.print("XForm: "); 382 transformation.printShortString(pw); 383 pw.println(); 384 } 385 if (animLayerAdjustment != 0) { 386 pw.print(prefix); pw.print("animLayerAdjustment="); pw.println(animLayerAdjustment); 387 } 388 if (startingData != null || removed || firstWindowDrawn) { 389 pw.print(prefix); pw.print("startingData="); pw.print(startingData); 390 pw.print(" removed="); pw.print(removed); 391 pw.print(" firstWindowDrawn="); pw.println(firstWindowDrawn); 392 } 393 if (startingWindow != null || startingView != null 394 || startingDisplayed || startingMoved) { 395 pw.print(prefix); pw.print("startingWindow="); pw.print(startingWindow); 396 pw.print(" startingView="); pw.print(startingView); 397 pw.print(" startingDisplayed="); pw.print(startingDisplayed); 398 pw.print(" startingMoved"); pw.println(startingMoved); 399 } 400 } 401 402 @Override 403 public String toString() { 404 if (stringName == null) { 405 StringBuilder sb = new StringBuilder(); 406 sb.append("AppWindowToken{"); 407 sb.append(Integer.toHexString(System.identityHashCode(this))); 408 sb.append(" token="); sb.append(token); sb.append('}'); 409 stringName = sb.toString(); 410 } 411 return stringName; 412 } 413 }
