AppWindowToken.java revision 6fbda63e68513ece4409dac845588711ab25c39d 
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
35/**
36 * Version of WindowToken that is specifically for a particular application (or
37 * really activity) that is displaying windows.
38 */
39class AppWindowToken extends WindowToken {
40    // Non-null only for application tokens.
41    final IApplicationToken appToken;
42
43    // All of the windows and child windows that are included in this
44    // application token.  Note this list is NOT sorted!
45    final ArrayList<WindowState> allAppWindows = new ArrayList<WindowState>();
46    final AppWindowAnimator mAppAnimator;
47
48    final WindowAnimator mAnimator;
49
50    int groupId = -1;
51    boolean appFullscreen;
52    int requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
53
54    // The input dispatching timeout for this application token in nanoseconds.
55    long inputDispatchingTimeoutNanos;
56
57    // These are used for determining when all windows associated with
58    // an activity have been drawn, so they can be made visible together
59    // at the same time.
60    // initialize so that it doesn't match mTransactionSequence which is an int.
61    long lastTransactionSequence = Long.MIN_VALUE;
62    int numInterestingWindows;
63    int numDrawnWindows;
64    boolean inPendingTransaction;
65    boolean allDrawn;
66
67    // Is this token going to be hidden in a little while?  If so, it
68    // won't be taken into account for setting the screen orientation.
69    boolean willBeHidden;
70
71    // Is this window's surface needed?  This is almost like hidden, except
72    // it will sometimes be true a little earlier: when the token has
73    // been shown, but is still waiting for its app transition to execute
74    // before making its windows shown.
75    boolean hiddenRequested;
76
77    // Have we told the window clients to hide themselves?
78    boolean clientHidden;
79
80    // Last visibility state we reported to the app token.
81    boolean reportedVisible;
82
83    // Last drawn state we reported to the app token.
84    boolean reportedDrawn;
85
86    // Set to true when the token has been removed from the window mgr.
87    boolean removed;
88
89    // Information about an application starting window if displayed.
90    StartingData startingData;
91    WindowState startingWindow;
92    View startingView;
93    boolean startingDisplayed;
94    boolean startingMoved;
95    boolean firstWindowDrawn;
96
97    // Input application handle used by the input dispatcher.
98    final InputApplicationHandle mInputApplicationHandle;
99
100    AppWindowToken(WindowManagerService _service, IApplicationToken _token) {
101        super(_service, _token.asBinder(),
102                WindowManager.LayoutParams.TYPE_APPLICATION, true);
103        appWindowToken = this;
104        appToken = _token;
105        mInputApplicationHandle = new InputApplicationHandle(this);
106        mAnimator = service.mAnimator;
107        mAppAnimator = new AppWindowAnimator(_service, this);
108    }
109
110    void sendAppVisibilityToClients() {
111        final int N = allAppWindows.size();
112        for (int i=0; i<N; i++) {
113            WindowState win = allAppWindows.get(i);
114            if (win == startingWindow && clientHidden) {
115                // Don't hide the starting window.
116                continue;
117            }
118            try {
119                if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG,
120                        "Setting visibility of " + win + ": " + (!clientHidden));
121                win.mClient.dispatchAppVisibility(!clientHidden);
122            } catch (RemoteException e) {
123            }
124        }
125    }
126
127    void updateReportedVisibilityLocked() {
128        if (appToken == null) {
129            return;
130        }
131
132        int numInteresting = 0;
133        int numVisible = 0;
134        int numDrawn = 0;
135        boolean nowGone = true;
136
137        if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG,
138                "Update reported visibility: " + this);
139        final int N = allAppWindows.size();
140        for (int i=0; i<N; i++) {
141            WindowState win = allAppWindows.get(i);
142            if (win == startingWindow || win.mAppFreezing
143                    || win.mViewVisibility != View.VISIBLE
144                    || win.mAttrs.type == TYPE_APPLICATION_STARTING
145                    || win.mDestroying) {
146                continue;
147            }
148            if (WindowManagerService.DEBUG_VISIBILITY) {
149                Slog.v(WindowManagerService.TAG, "Win " + win + ": isDrawn="
150                        + win.isDrawnLw()
151                        + ", isAnimating=" + win.mWinAnimator.isAnimating());
152                if (!win.isDrawnLw()) {
153                    Slog.v(WindowManagerService.TAG, "Not displayed: s=" + win.mWinAnimator.mSurface
154                            + " pv=" + win.mPolicyVisibility
155                            + " mDrawState=" + win.mWinAnimator.mDrawState
156                            + " ah=" + win.mAttachedHidden
157                            + " th="
158                            + (win.mAppToken != null
159                                    ? win.mAppToken.hiddenRequested : false)
160                            + " a=" + win.mWinAnimator.mAnimating);
161                }
162            }
163            numInteresting++;
164            if (win.isDrawnLw()) {
165                numDrawn++;
166                if (!win.mWinAnimator.isAnimating()) {
167                    numVisible++;
168                }
169                nowGone = false;
170            } else if (win.mWinAnimator.isAnimating()) {
171                nowGone = false;
172            }
173        }
174
175        boolean nowDrawn = numInteresting > 0 && numDrawn >= numInteresting;
176        boolean nowVisible = numInteresting > 0 && numVisible >= numInteresting;
177        if (!nowGone) {
178            // If the app is not yet gone, then it can only become visible/drawn.
179            if (!nowDrawn) {
180                nowDrawn = reportedDrawn;
181            }
182            if (!nowVisible) {
183                nowVisible = reportedVisible;
184            }
185        }
186        if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "VIS " + this + ": interesting="
187                + numInteresting + " visible=" + numVisible);
188        if (nowDrawn != reportedDrawn) {
189            if (nowDrawn) {
190                Message m = service.mH.obtainMessage(
191                        H.REPORT_APPLICATION_TOKEN_DRAWN, this);
192                service.mH.sendMessage(m);
193            }
194            reportedDrawn = nowDrawn;
195        }
196        if (nowVisible != reportedVisible) {
197            if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(
198                    WindowManagerService.TAG, "Visibility changed in " + this
199                    + ": vis=" + nowVisible);
200            reportedVisible = nowVisible;
201            Message m = service.mH.obtainMessage(
202                    H.REPORT_APPLICATION_TOKEN_WINDOWS,
203                    nowVisible ? 1 : 0,
204                    nowGone ? 1 : 0,
205                    this);
206            service.mH.sendMessage(m);
207        }
208    }
209
210    WindowState findMainWindow() {
211        int j = windows.size();
212        while (j > 0) {
213            j--;
214            WindowState win = windows.get(j);
215            if (win.mAttrs.type == WindowManager.LayoutParams.TYPE_BASE_APPLICATION
216                    || win.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) {
217                return win;
218            }
219        }
220        return null;
221    }
222
223    @Override
224    void dump(PrintWriter pw, String prefix) {
225        super.dump(pw, prefix);
226        if (appToken != null) {
227            pw.print(prefix); pw.println("app=true");
228        }
229        if (allAppWindows.size() > 0) {
230            pw.print(prefix); pw.print("allAppWindows="); pw.println(allAppWindows);
231        }
232        pw.print(prefix); pw.print("groupId="); pw.print(groupId);
233                pw.print(" appFullscreen="); pw.print(appFullscreen);
234                pw.print(" requestedOrientation="); pw.println(requestedOrientation);
235        pw.print(prefix); pw.print("hiddenRequested="); pw.print(hiddenRequested);
236                pw.print(" clientHidden="); pw.print(clientHidden);
237                pw.print(" willBeHidden="); pw.print(willBeHidden);
238                pw.print(" reportedDrawn="); pw.print(reportedDrawn);
239                pw.print(" reportedVisible="); pw.println(reportedVisible);
240        if (paused) {
241            pw.print(prefix); pw.print("paused="); pw.println(paused);
242        }
243        if (numInterestingWindows != 0 || numDrawnWindows != 0
244                || allDrawn || mAppAnimator.allDrawn) {
245            pw.print(prefix); pw.print("numInterestingWindows=");
246                    pw.print(numInterestingWindows);
247                    pw.print(" numDrawnWindows="); pw.print(numDrawnWindows);
248                    pw.print(" inPendingTransaction="); pw.print(inPendingTransaction);
249                    pw.print(" allDrawn="); pw.print(allDrawn);
250                    pw.print(" (animator="); pw.print(mAppAnimator.allDrawn);
251                    pw.println(")");
252        }
253        if (inPendingTransaction) {
254            pw.print(prefix); pw.print("inPendingTransaction=");
255                    pw.println(inPendingTransaction);
256        }
257        if (startingData != null || removed || firstWindowDrawn) {
258            pw.print(prefix); pw.print("startingData="); pw.print(startingData);
259                    pw.print(" removed="); pw.print(removed);
260                    pw.print(" firstWindowDrawn="); pw.println(firstWindowDrawn);
261        }
262        if (startingWindow != null || startingView != null
263                || startingDisplayed || startingMoved) {
264            pw.print(prefix); pw.print("startingWindow="); pw.print(startingWindow);
265                    pw.print(" startingView="); pw.print(startingView);
266                    pw.print(" startingDisplayed="); pw.print(startingDisplayed);
267                    pw.print(" startingMoved"); pw.println(startingMoved);
268        }
269    }
270
271    @Override
272    public String toString() {
273        if (stringName == null) {
274            StringBuilder sb = new StringBuilder();
275            sb.append("AppWindowToken{");
276            sb.append(Integer.toHexString(System.identityHashCode(this)));
277            sb.append(" token="); sb.append(token); sb.append('}');
278            stringName = sb.toString();
279        }
280        return stringName;
281    }
282}
283