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Commit f43e6bc4 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Android (Google) Code Review
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Merge "Restrict app transition maximum duration" into rvc-dev

parents 36a845de 8669ef38

services/core/java/com/android/server/wm/AppTransition.java

+1 −0
Original line number Diff line number Diff line
@@ -172,6 +172,7 @@ public class AppTransition implements Dump { 
    private static final int MAX_CLIP_REVEAL_TRANSITION_DURATION = 420;

    private static final int THUMBNAIL_APP_TRANSITION_DURATION = 336;

    private static final long APP_TRANSITION_TIMEOUT_MS = 5000;

    static final int MAX_APP_TRANSITION_DURATION = 3 * 1000; // 3 secs.



    private final Context mContext;

    private final WindowManagerService mService;

services/core/java/com/android/server/wm/WindowContainer.java

+11 −1
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ import static android.os.UserHandle.USER_NULL; 
import static android.view.SurfaceControl.Transaction;



import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;

import static com.android.server.wm.AppTransition.MAX_APP_TRANSITION_DURATION;

import static com.android.server.wm.IdentifierProto.HASH_CODE;

import static com.android.server.wm.IdentifierProto.TITLE;

import static com.android.server.wm.IdentifierProto.USER_ID;
@@ -2172,7 +2173,16 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer< 
                displayConfig.uiMode, displayConfig.orientation, frame, displayFrame, insets,

                surfaceInsets, stableInsets, isVoiceInteraction, inFreeformWindowingMode(), this);

        if (a != null) {

            if (DEBUG_ANIM) logWithStack(TAG, "Loaded animation " + a + " for " + this);

            if (a != null) {

                // Setup the maximum app transition duration to prevent malicious app may set a long

                // animation duration or infinite repeat counts for the app transition through

                // ActivityOption#makeCustomAnimation or WindowManager#overridePendingTransition.

                a.restrictDuration(MAX_APP_TRANSITION_DURATION);

            }

            if (DEBUG_ANIM) {

                logWithStack(TAG, "Loaded animation " + a + " for " + this

                        + ", duration: " + ((a != null) ? a.getDuration() : 0));

            }

            final int containingWidth = frame.width();

            final int containingHeight = frame.height();

            a.initialize(containingWidth, containingHeight, width, height);