Fix bug 7138446: Icon blips in during Recents animation

Add animation where icon and description of the
primary activity fades and translates in

Change-Id: Ie21b5302ac9e58ee6af219b7cde98d12a8e82697

4 files changed, 93 insertions, 6 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/SystemUIApplication.java b/packages/SystemUI/src/com/android/systemui/SystemUIApplication.java
index f97d4ff..c120690 100644
--- a/packages/SystemUI/src/com/android/systemui/SystemUIApplication.java
+++ b/packages/SystemUI/src/com/android/systemui/SystemUIApplication.java
@@ -19,9 +19,12 @@ package com.android.systemui;
 import android.app.Application;
 
 import com.android.systemui.recent.RecentTasksLoader;
+import com.android.systemui.recent.RecentsActivity;
 
 public class SystemUIApplication extends Application {
     private RecentTasksLoader mRecentTasksLoader;
+    private boolean mWaitingForWinAnimStart;
+    private RecentsActivity.WindowAnimationStartListener mWinAnimStartListener;
 
     public RecentTasksLoader getRecentTasksLoader() {
         if (mRecentTasksLoader == null) {
@@ -29,4 +32,28 @@ public class SystemUIApplication extends Application {
         }
         return mRecentTasksLoader;
     }
+
+    public void setWaitingForWinAnimStart(boolean waiting) {
+        mWaitingForWinAnimStart = waiting;
+    }
+
+    public void setWindowAnimationStartListener(
+            RecentsActivity.WindowAnimationStartListener startListener) {
+        mWinAnimStartListener = startListener;
+    }
+
+    public RecentsActivity.WindowAnimationStartListener getWindowAnimationListener() {
+        return mWinAnimStartListener;
+    }
+
+    public void onWindowAnimationStart() {
+        if (mWinAnimStartListener != null) {
+            mWinAnimStartListener.onWindowAnimationStart();
+        }
+        mWaitingForWinAnimStart = false;
+    }
+
+    public boolean isWaitingForWindowAnimationStart() {
+        return mWaitingForWinAnimStart;
+    }
 }
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recent/RecentsActivity.java
index 7ff7b17..f93da08 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentsActivity.java
@@ -51,6 +51,10 @@ public class RecentsActivity extends Activity {
         }
     };
 
+    public static interface WindowAnimationStartListener {
+        void onWindowAnimationStart();
+    }
+
     public class TouchOutsideListener implements View.OnTouchListener {
         private StatusBarPanel mPanel;
 
@@ -88,15 +92,15 @@ public class RecentsActivity extends Activity {
     @Override
     public void onStart() {
         mShowing = true;
+        if (mRecentsPanel != null) {
+            mRecentsPanel.refreshViews();
+        }
         super.onStart();
     }
 
     @Override
     public void onResume() {
         mForeground = true;
-        if (mRecentsPanel != null) {
-            mRecentsPanel.refreshViews();
-        }
         super.onResume();
     }
 
@@ -150,6 +154,7 @@ public class RecentsActivity extends Activity {
         mIntentFilter = new IntentFilter();
         mIntentFilter.addAction(CLOSE_RECENTS_INTENT);
         registerReceiver(mIntentReceiver, mIntentFilter);
+        app.setWindowAnimationStartListener(mRecentsPanel);
         super.onCreate(savedInstanceState);
     }
 
@@ -164,6 +169,7 @@ public class RecentsActivity extends Activity {
         final RecentTasksLoader recentTasksLoader = app.getRecentTasksLoader();
         recentTasksLoader.setRecentsPanel(null, mRecentsPanel);
         unregisterReceiver(mIntentReceiver);
+        app.setWindowAnimationStartListener(null);
         super.onDestroy();
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
index 005b4a2..3a89059 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
@@ -18,12 +18,15 @@ package com.android.systemui.recent;
 
 import android.animation.Animator;
 import android.animation.LayoutTransition;
+import android.animation.TimeInterpolator;
+import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.ActivityManagerNative;
 import android.app.ActivityOptions;
 import android.app.TaskStackBuilder;
 import android.content.Context;
 import android.content.Intent;
+import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
@@ -45,6 +48,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.animation.AnimationUtils;
+import android.view.animation.DecelerateInterpolator;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.BaseAdapter;
@@ -55,6 +59,7 @@ import android.widget.PopupMenu;
 import android.widget.TextView;
 
 import com.android.systemui.R;
+import com.android.systemui.SystemUIApplication;
 import com.android.systemui.statusbar.BaseStatusBar;
 import com.android.systemui.statusbar.phone.PhoneStatusBar;
 import com.android.systemui.statusbar.tablet.StatusBarPanel;
@@ -63,7 +68,7 @@ import com.android.systemui.statusbar.tablet.TabletStatusBar;
 import java.util.ArrayList;
 
 public class RecentsPanelView extends FrameLayout implements OnItemClickListener, RecentsCallback,
-        StatusBarPanel, Animator.AnimatorListener {
+        StatusBarPanel, Animator.AnimatorListener, RecentsActivity.WindowAnimationStartListener {
     static final String TAG = "RecentsPanelView";
     static final boolean DEBUG = TabletStatusBar.DEBUG || PhoneStatusBar.DEBUG || false;
     private PopupMenu mPopup;
@@ -75,6 +80,7 @@ public class RecentsPanelView extends FrameLayout implements OnItemClickListener
     private boolean mShowing;
     private boolean mWaitingToShow;
     private int mNumItemsWaitingForThumbnailsAndIcons;
+    private ViewHolder mItemToAnimateInWhenWindowAnimationIsFinished;
 
     private RecentTasksLoader mRecentTasksLoader;
     private ArrayList<TaskDescription> mRecentTaskDescriptions;
@@ -109,6 +115,7 @@ public class RecentsPanelView extends FrameLayout implements OnItemClickListener
         ImageView iconView;
         TextView labelView;
         TextView descriptionView;
+        View calloutLine;
         TaskDescription taskDescription;
         boolean loadedThumbnailAndIcon;
     }
@@ -148,6 +155,7 @@ public class RecentsPanelView extends FrameLayout implements OnItemClickListener
                 holder.iconView.setImageBitmap(mRecentTasksLoader.getDefaultIcon());
             }
             holder.labelView = (TextView) convertView.findViewById(R.id.app_label);
+            holder.calloutLine = convertView.findViewById(R.id.recents_callout_line);
             holder.descriptionView = (TextView) convertView.findViewById(R.id.app_description);
 
             convertView.setTag(holder);
@@ -173,6 +181,28 @@ public class RecentsPanelView extends FrameLayout implements OnItemClickListener
                 updateIcon(holder, td.getIcon(), true, false);
                 mNumItemsWaitingForThumbnailsAndIcons--;
             }
+            if (index == 0) {
+                final Activity activity = (Activity) RecentsPanelView.this.getContext();
+                final SystemUIApplication app = (SystemUIApplication) activity.getApplication();
+                if (app.isWaitingForWindowAnimationStart()) {
+                    mItemToAnimateInWhenWindowAnimationIsFinished = holder;
+                    final int translation = -getResources().getDimensionPixelSize(
+                            R.dimen.status_bar_recents_app_icon_translate_distance);
+                    final Configuration config = getResources().getConfiguration();
+                    if (config.orientation == Configuration.ORIENTATION_PORTRAIT) {
+                        for (View v :
+                            new View[] { holder.iconView, holder.labelView, holder.calloutLine }) {
+                            if (v != null) {
+                                v.setAlpha(0f);
+                                v.setTranslationX(translation);
+                            }
+                        }
+                    } else {
+                        holder.iconView.setAlpha(0f);
+                        holder.iconView.setTranslationY(translation);
+                    }
+                }
+            }
 
             holder.thumbnailView.setTag(td);
             holder.thumbnailView.setOnLongClickListener(new OnLongClickDelegate(convertView));
@@ -506,6 +536,23 @@ public class RecentsPanelView extends FrameLayout implements OnItemClickListener
         return null;
     }
 
+    public void onWindowAnimationStart() {
+        if (mItemToAnimateInWhenWindowAnimationIsFinished != null) {
+            final int startDelay = 100;
+            final int duration = 250;
+            final ViewHolder holder = mItemToAnimateInWhenWindowAnimationIsFinished;
+            final TimeInterpolator cubic = new DecelerateInterpolator(1.5f);
+            for (View v :
+                new View[] { holder.iconView, holder.labelView, holder.calloutLine }) {
+                if (v != null) {
+                    v.animate().translationX(0).translationY(0).alpha(1f).setStartDelay(startDelay)
+                            .setDuration(duration).setInterpolator(cubic);
+                }
+            }
+            mItemToAnimateInWhenWindowAnimationIsFinished = null;
+        }
+    }
+
     public void clearRecentTasksList() {
         // Clear memory used by screenshots
         if (mRecentTaskDescriptions != null) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index d7b1b35..e88f9cd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -544,7 +544,7 @@ public abstract class BaseStatusBar extends SystemUI implements
                             - p.getFontMetricsInt().top;
                     float descriptionTextSize = res
                             .getDimensionPixelSize(R.dimen.status_bar_recents_app_description_text_size);
-                    p.setTextSize(labelTextSize);
+                    p.setTextSize(descriptionTextSize);
                     float descriptionTextHeight = p.getFontMetricsInt().bottom
                             - p.getFontMetricsInt().top;
 
@@ -567,10 +567,17 @@ public abstract class BaseStatusBar extends SystemUI implements
                             + recentsItemTopPadding + thumbBgPadding + statusBarHeight);
                 }
 
+                final SystemUIApplication app =
+                        (SystemUIApplication) ((Service) mContext).getApplication();
+                app.setWaitingForWinAnimStart(true);
                 ActivityOptions opts = ActivityOptions.makeThumbnailScaleDownAnimation(
                         getStatusBarView(),
                         first, x, y,
-                        null);
+                        new ActivityOptions.OnAnimationStartedListener() {
+                            public void onAnimationStarted() {
+                                app.onWindowAnimationStart();
+                            }
+                        });
                 mContext.startActivityAsUser(intent, opts.toBundle(), new UserHandle(
                         UserHandle.USER_CURRENT));
             }