AppWindowToken.java revision e30e02f5d9a9141c9ee70c712d4f9d52c88ea969 
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
17package com.android.server.wm;
18
19import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
20
21import com.android.server.input.InputApplicationHandle;
22import com.android.server.wm.WindowManagerService.H;
23
24import android.content.pm.ActivityInfo;
25import android.os.Message;
26import android.os.RemoteException;
27import android.util.Slog;
28import android.view.IApplicationToken;
29import android.view.View;
30import android.view.WindowManager;
31
32import java.io.PrintWriter;
33import java.util.ArrayList;
34
35class AppTokenList extends ArrayList<AppWindowToken> {
36}
37
38/**
39 * Version of WindowToken that is specifically for a particular application (or
40 * really activity) that is displaying windows.
41 */
42class AppWindowToken extends WindowToken {
43    // Non-null only for application tokens.
44    final IApplicationToken appToken;
45
46    // All of the windows and child windows that are included in this
47    // application token.  Note this list is NOT sorted!
48    final WindowList allAppWindows = new WindowList();
49    final AppWindowAnimator mAppAnimator;
50
51    final WindowAnimator mAnimator;
52
53    final boolean voiceInteraction;
54
55    int groupId = -1;
56    boolean appFullscreen;
57    int requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
58    boolean layoutConfigChanges;
59    boolean showWhenLocked;
60
61    // The input dispatching timeout for this application token in nanoseconds.
62    long inputDispatchingTimeoutNanos;
63
64    // These are used for determining when all windows associated with
65    // an activity have been drawn, so they can be made visible together
66    // at the same time.
67    // initialize so that it doesn't match mTransactionSequence which is an int.
68    long lastTransactionSequence = Long.MIN_VALUE;
69    int numInterestingWindows;
70    int numDrawnWindows;
71    boolean inPendingTransaction;
72    boolean allDrawn;
73    // Set to true when this app creates a surface while in the middle of an animation. In that
74    // case do not clear allDrawn until the animation completes.
75    boolean deferClearAllDrawn;
76
77    // Is this token going to be hidden in a little while?  If so, it
78    // won't be taken into account for setting the screen orientation.
79    boolean willBeHidden;
80
81    // Is this window's surface needed?  This is almost like hidden, except
82    // it will sometimes be true a little earlier: when the token has
83    // been shown, but is still waiting for its app transition to execute
84    // before making its windows shown.
85    boolean hiddenRequested;
86
87    // Have we told the window clients to hide themselves?
88    boolean clientHidden;
89
90    // Last visibility state we reported to the app token.
91    boolean reportedVisible;
92
93    // Last drawn state we reported to the app token.
94    boolean reportedDrawn;
95
96    // Set to true when the token has been removed from the window mgr.
97    boolean removed;
98
99    // Information about an application starting window if displayed.
100    StartingData startingData;
101    WindowState startingWindow;
102    View startingView;
103    boolean startingDisplayed;
104    boolean startingMoved;
105    boolean firstWindowDrawn;
106
107    // Input application handle used by the input dispatcher.
108    final InputApplicationHandle mInputApplicationHandle;
109
110    boolean mDeferRemoval;
111
112    AppWindowToken(WindowManagerService _service, IApplicationToken _token,
113            boolean _voiceInteraction) {
114        super(_service, _token.asBinder(),
115                WindowManager.LayoutParams.TYPE_APPLICATION, true);
116        appWindowToken = this;
117        appToken = _token;
118        voiceInteraction = _voiceInteraction;
119        mInputApplicationHandle = new InputApplicationHandle(this);
120        mAnimator = service.mAnimator;
121        mAppAnimator = new AppWindowAnimator(this);
122    }
123
124    void sendAppVisibilityToClients() {
125        final int N = allAppWindows.size();
126        for (int i=0; i<N; i++) {
127            WindowState win = allAppWindows.get(i);
128            if (win == startingWindow && clientHidden) {
129                // Don't hide the starting window.
130                continue;
131            }
132            try {
133                if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG,
134                        "Setting visibility of " + win + ": " + (!clientHidden));
135                win.mClient.dispatchAppVisibility(!clientHidden);
136            } catch (RemoteException e) {
137            }
138        }
139    }
140
141    void updateReportedVisibilityLocked() {
142        if (appToken == null) {
143            return;
144        }
145
146        int numInteresting = 0;
147        int numVisible = 0;
148        int numDrawn = 0;
149        boolean nowGone = true;
150
151        if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG,
152                "Update reported visibility: " + this);
153        final int N = allAppWindows.size();
154        for (int i=0; i<N; i++) {
155            WindowState win = allAppWindows.get(i);
156            if (win == startingWindow || win.mAppFreezing
157                    || win.mViewVisibility != View.VISIBLE
158                    || win.mAttrs.type == TYPE_APPLICATION_STARTING
159                    || win.mDestroying) {
160                continue;
161            }
162            if (WindowManagerService.DEBUG_VISIBILITY) {
163                Slog.v(WindowManagerService.TAG, "Win " + win + ": isDrawn="
164                        + win.isDrawnLw()
165                        + ", isAnimating=" + win.mWinAnimator.isAnimating());
166                if (!win.isDrawnLw()) {
167                    Slog.v(WindowManagerService.TAG, "Not displayed: s=" + win.mWinAnimator.mSurfaceControl
168                            + " pv=" + win.mPolicyVisibility
169                            + " mDrawState=" + win.mWinAnimator.mDrawState
170                            + " ah=" + win.mAttachedHidden
171                            + " th="
172                            + (win.mAppToken != null
173                                    ? win.mAppToken.hiddenRequested : false)
174                            + " a=" + win.mWinAnimator.mAnimating);
175                }
176            }
177            numInteresting++;
178            if (win.isDrawnLw()) {
179                numDrawn++;
180                if (!win.mWinAnimator.isAnimating()) {
181                    numVisible++;
182                }
183                nowGone = false;
184            } else if (win.mWinAnimator.isAnimating()) {
185                nowGone = false;
186            }
187        }
188
189        boolean nowDrawn = numInteresting > 0 && numDrawn >= numInteresting;
190        boolean nowVisible = numInteresting > 0 && numVisible >= numInteresting;
191        if (!nowGone) {
192            // If the app is not yet gone, then it can only become visible/drawn.
193            if (!nowDrawn) {
194                nowDrawn = reportedDrawn;
195            }
196            if (!nowVisible) {
197                nowVisible = reportedVisible;
198            }
199        }
200        if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "VIS " + this + ": interesting="
201                + numInteresting + " visible=" + numVisible);
202        if (nowDrawn != reportedDrawn) {
203            if (nowDrawn) {
204                Message m = service.mH.obtainMessage(
205                        H.REPORT_APPLICATION_TOKEN_DRAWN, this);
206                service.mH.sendMessage(m);
207            }
208            reportedDrawn = nowDrawn;
209        }
210        if (nowVisible != reportedVisible) {
211            if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(
212                    WindowManagerService.TAG, "Visibility changed in " + this
213                    + ": vis=" + nowVisible);
214            reportedVisible = nowVisible;
215            Message m = service.mH.obtainMessage(
216                    H.REPORT_APPLICATION_TOKEN_WINDOWS,
217                    nowVisible ? 1 : 0,
218                    nowGone ? 1 : 0,
219                    this);
220            service.mH.sendMessage(m);
221        }
222    }
223
224    WindowState findMainWindow() {
225        int j = windows.size();
226        while (j > 0) {
227            j--;
228            WindowState win = windows.get(j);
229            if (win.mAttrs.type == WindowManager.LayoutParams.TYPE_BASE_APPLICATION
230                    || win.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) {
231                return win;
232            }
233        }
234        return null;
235    }
236
237    boolean isVisible() {
238        final int N = allAppWindows.size();
239        for (int i=0; i<N; i++) {
240            WindowState win = allAppWindows.get(i);
241            if (!win.mAppFreezing
242                    && (win.mViewVisibility == View.VISIBLE ||
243                        (win.mWinAnimator.isAnimating() &&
244                                !service.mAppTransition.isTransitionSet()))
245                    && !win.mDestroying && win.isDrawnLw()) {
246                return true;
247            }
248        }
249        return false;
250    }
251
252    @Override
253    void dump(PrintWriter pw, String prefix) {
254        super.dump(pw, prefix);
255        if (appToken != null) {
256            pw.print(prefix); pw.print("app=true voiceInteraction="); pw.println(voiceInteraction);
257        }
258        if (allAppWindows.size() > 0) {
259            pw.print(prefix); pw.print("allAppWindows="); pw.println(allAppWindows);
260        }
261        pw.print(prefix); pw.print("groupId="); pw.print(groupId);
262                pw.print(" appFullscreen="); pw.print(appFullscreen);
263                pw.print(" requestedOrientation="); pw.println(requestedOrientation);
264        pw.print(prefix); pw.print("hiddenRequested="); pw.print(hiddenRequested);
265                pw.print(" clientHidden="); pw.print(clientHidden);
266                pw.print(" willBeHidden="); pw.print(willBeHidden);
267                pw.print(" reportedDrawn="); pw.print(reportedDrawn);
268                pw.print(" reportedVisible="); pw.println(reportedVisible);
269        if (paused) {
270            pw.print(prefix); pw.print("paused="); pw.println(paused);
271        }
272        if (numInterestingWindows != 0 || numDrawnWindows != 0
273                || allDrawn || mAppAnimator.allDrawn) {
274            pw.print(prefix); pw.print("numInterestingWindows=");
275                    pw.print(numInterestingWindows);
276                    pw.print(" numDrawnWindows="); pw.print(numDrawnWindows);
277                    pw.print(" inPendingTransaction="); pw.print(inPendingTransaction);
278                    pw.print(" allDrawn="); pw.print(allDrawn);
279                    pw.print(" (animator="); pw.print(mAppAnimator.allDrawn);
280                    pw.println(")");
281        }
282        if (inPendingTransaction) {
283            pw.print(prefix); pw.print("inPendingTransaction=");
284                    pw.println(inPendingTransaction);
285        }
286        if (startingData != null || removed || firstWindowDrawn) {
287            pw.print(prefix); pw.print("startingData="); pw.print(startingData);
288                    pw.print(" removed="); pw.print(removed);
289                    pw.print(" firstWindowDrawn="); pw.println(firstWindowDrawn);
290        }
291        if (startingWindow != null || startingView != null
292                || startingDisplayed || startingMoved) {
293            pw.print(prefix); pw.print("startingWindow="); pw.print(startingWindow);
294                    pw.print(" startingView="); pw.print(startingView);
295                    pw.print(" startingDisplayed="); pw.print(startingDisplayed);
296                    pw.print(" startingMoved"); pw.println(startingMoved);
297        }
298    }
299
300    @Override
301    public String toString() {
302        if (stringName == null) {
303            StringBuilder sb = new StringBuilder();
304            sb.append("AppWindowToken{");
305            sb.append(Integer.toHexString(System.identityHashCode(this)));
306            sb.append(" token="); sb.append(token); sb.append('}');
307            stringName = sb.toString();
308        }
309        return stringName;
310    }
311}
312