Delay transient navigation confirmation prompt.

Ensure the nav bar is hidden, then wait about the same amount
of time before showing the prompt.

Bug:10312565
Change-Id: Ifbbbc55edf2e40844296e3e96fcc5b491f1b246f

2 files changed, 54 insertions, 33 deletions

diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
index 952dfda..9da4357 100644
--- a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -943,7 +943,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
                         }
                     }
                 });
-        mTransientNavigationConfirmation = new TransientNavigationConfirmation(mContext, mHandler);
+        mTransientNavigationConfirmation = new TransientNavigationConfirmation(mContext);
         mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
 
         mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
diff --git a/policy/src/com/android/internal/policy/impl/TransientNavigationConfirmation.java b/policy/src/com/android/internal/policy/impl/TransientNavigationConfirmation.java
index bd5bd80..3c4f092 100644
--- a/policy/src/com/android/internal/policy/impl/TransientNavigationConfirmation.java
+++ b/policy/src/com/android/internal/policy/impl/TransientNavigationConfirmation.java
@@ -18,9 +18,13 @@ package com.android.internal.policy.impl;
 
 import android.content.Context;
 import android.os.Handler;
+import android.os.Message;
 import android.util.ArraySet;
 import android.util.Slog;
 import android.view.View;
+import android.view.animation.Animation;
+import android.view.animation.AnimationSet;
+import android.view.animation.AnimationUtils;
 import android.widget.Toast;
 
 import com.android.internal.R;
@@ -30,29 +34,26 @@ import com.android.internal.R;
  *  is hidden.
  */
 public class TransientNavigationConfirmation {
-    private final String TAG = "TransientNavigationConfirmation";
-    private final boolean DEBUG = false;
+    private static final String TAG = "TransientNavigationConfirmation";
+    private static final boolean DEBUG = false;
 
     private final Context mContext;
-    private final Handler mHandler;
+    private final H mHandler;
     private final ArraySet<String> mConfirmedUserPackages = new ArraySet<String>();
-
-    private final Runnable mHandleDismiss = new Runnable() {
-        @Override
-        public void run() {
-            if (mToast != null) {
-                mToast.cancel();
-                mToast = null;
-            }
-        }
-    };
+    private final long mShowDelayMs;
 
     private Toast mToast;
     private String mLastUserPackage;
 
-    public TransientNavigationConfirmation(Context context, Handler handler) {
+    public TransientNavigationConfirmation(Context context) {
         mContext = context;
-        mHandler = handler;
+        mHandler = new H();
+        mShowDelayMs = getNavBarExitDuration() * 3;
+    }
+
+    private long getNavBarExitDuration() {
+        Animation exit = AnimationUtils.loadAnimation(mContext, R.anim.dock_bottom_exit);
+        return exit != null ? exit.getDuration() : 0;
     }
 
     public void transientNavigationChanged(int userId, String pkg, boolean isNavTransient) {
@@ -60,16 +61,17 @@ public class TransientNavigationConfirmation {
             return;
         }
         String userPkg = userId + ":" + pkg;
+        mHandler.removeMessages(H.SHOW);
         if (isNavTransient) {
             mLastUserPackage = userPkg;
             if (!mConfirmedUserPackages.contains(userPkg)) {
                 if (DEBUG) Slog.d(TAG, "Showing transient navigation confirmation for " + userPkg);
-                mHandler.post(handleShowConfirmation(userPkg));
+                mHandler.sendMessageDelayed(mHandler.obtainMessage(H.SHOW, userPkg), mShowDelayMs);
             }
         } else {
             mLastUserPackage = null;
             if (DEBUG) Slog.d(TAG, "Hiding transient navigation confirmation for " + userPkg);
-            mHandler.post(mHandleDismiss);
+            mHandler.sendEmptyMessage(H.HIDE);
         }
     }
 
@@ -80,22 +82,24 @@ public class TransientNavigationConfirmation {
         }
     }
 
-    private Runnable handleShowConfirmation(final String userPkg) {
-        return new Runnable() {
-            @Override
-            public void run() {
-                // create the confirmation toast bar
-                final int msg = R.string.transient_navigation_confirmation;
-                mToast = Toast.makeBar(mContext, msg, Toast.LENGTH_INFINITE);
-                mToast.setAction(R.string.ok, confirmAction(userPkg));
+    private void handleHide() {
+        if (mToast != null) {
+            mToast.cancel();
+            mToast = null;
+        }
+    }
 
-                // we will be hiding the nav bar, so layout as if it's already hidden
-                mToast.getView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
+    private void handleShow(String userPkg) {
+        // create the confirmation toast bar
+        final int msg = R.string.transient_navigation_confirmation;
+        mToast = Toast.makeBar(mContext, msg, Toast.LENGTH_INFINITE);
+        mToast.setAction(R.string.ok, confirmAction(userPkg));
 
-                // show the confirmation
-                mToast.show();
-            }
-        };
+        // we will be hiding the nav bar, so layout as if it's already hidden
+        mToast.getView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
+
+        // show the confirmation
+        mToast.show();
     }
 
     private Runnable confirmAction(final String userPkg) {
@@ -103,8 +107,25 @@ public class TransientNavigationConfirmation {
             @Override
             public void run() {
                 mConfirmedUserPackages.add(userPkg);
-                mHandleDismiss.run();
+                handleHide();
             }
         };
     }
+
+    private final class H extends Handler {
+        private static final int SHOW = 0;
+        private static final int HIDE = 1;
+
+        @Override
+        public void handleMessage(Message msg) {
+            switch(msg.what) {
+                case SHOW:
+                    handleShow((String)msg.obj);
+                    break;
+                case HIDE:
+                    handleHide();
+                    break;
+            }
+        }
+    }
 }