Integrate new swipe refresh into mail

Change-Id: I30b313fa3cc48b59321c5e0079f317e875ba8438

2 files changed, 33 insertions, 508 deletions

diff --git a/src/com/android/mail/ui/ConversationListFragment.java b/src/com/android/mail/ui/ConversationListFragment.java
index 34a1e1605..e00fa3d2e 100644
--- a/src/com/android/mail/ui/ConversationListFragment.java
+++ b/src/com/android/mail/ui/ConversationListFragment.java
@@ -26,6 +26,8 @@ import android.database.DataSetObserver;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Parcelable;
+import android.support.v4.widget.SwipeRefreshLayout;
+import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener;
 import android.text.format.DateUtils;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -71,7 +73,7 @@ import java.util.List;
  * The conversation list UI component.
  */
 public final class ConversationListFragment extends ListFragment implements
-        OnItemLongClickListener, ModeChangeListener, ListItemSwipedListener {
+        OnItemLongClickListener, ModeChangeListener, ListItemSwipedListener, OnRefreshListener {
     /** Key used to pass data to {@link ConversationListFragment}. */
     private static final String CONVERSATION_LIST_KEY = "conversation-list";
     /** Key used to keep track of the scroll state of the list. */
@@ -99,8 +101,6 @@ public final class ConversationListFragment extends ListFragment implements
 
     private final Handler mHandler = new Handler();
 
-    private ConversationListView mConversationListView;
-
     // The internal view objects.
     private SwipeableListView mListView;
 
@@ -155,6 +155,7 @@ public final class ConversationListFragment extends ListFragment implements
      * from when we were last on this conversation list.
      */
     private boolean mScrollPositionRestored = false;
+    private SwipeRefreshLayout mSwipeRefreshWidget;
 
     /**
      * Constructor needs to be public to handle orientation changes and activity
@@ -205,10 +206,9 @@ public final class ConversationListFragment extends ListFragment implements
             mSearchResultCountTextView.setText("");
         }
         mSearchStatusView.setVisibility(showHeader ? View.VISIBLE : View.GONE);
-        int marginTop = showHeader ? (int) res.getDimension(R.dimen.notification_view_height) : 0;
-        MarginLayoutParams layoutParams = (MarginLayoutParams) mListView.getLayoutParams();
-        layoutParams.topMargin = marginTop;
-        mListView.setLayoutParams(layoutParams);
+        int paddingTop = showHeader ? (int) res.getDimension(R.dimen.notification_view_height) : 0;
+        mListView.setPadding(mListView.getPaddingLeft(), paddingTop, mListView.getPaddingRight(),
+                mListView.getPaddingBottom());
     }
 
     /**
@@ -279,7 +279,6 @@ public final class ConversationListFragment extends ListFragment implements
                 activityContext).inflate(R.layout.conversation_list_footer_view,
                 null);
         mFooterView.setClickListener(mActivity);
-        mConversationListView.setActivity(mActivity);
         final ConversationCursor conversationCursor = getConversationListCursor();
         final LoaderManager manager = getLoaderManager();
 
@@ -417,9 +416,6 @@ public final class ConversationListFragment extends ListFragment implements
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedState) {
         View rootView = inflater.inflate(R.layout.conversation_list, null);
         mEmptyView = rootView.findViewById(R.id.empty_view);
-        mConversationListView =
-                (ConversationListView) rootView.findViewById(R.id.conversation_list);
-        mConversationListView.setConversationContext(mViewContext);
         mListView = (SwipeableListView) rootView.findViewById(android.R.id.list);
         mListView.setHeaderDividersEnabled(false);
         mListView.setOnItemLongClickListener(this);
@@ -429,6 +425,11 @@ public final class ConversationListFragment extends ListFragment implements
         if (savedState != null && savedState.containsKey(LIST_STATE_KEY)) {
             mListView.onRestoreInstanceState(savedState.getParcelable(LIST_STATE_KEY));
         }
+        mSwipeRefreshWidget = (SwipeRefreshLayout) rootView.findViewById(R.id.swipe_refresh_widget);
+        mSwipeRefreshWidget.setColorScheme(R.color.swipe_refresh_color1,
+                R.color.swipe_refresh_color2,
+                R.color.swipe_refresh_color3, R.color.swipe_refresh_color4);
+        mSwipeRefreshWidget.setOnRefreshListener(this);
 
         return rootView;
     }
@@ -784,6 +785,10 @@ public final class ConversationListFragment extends ListFragment implements
     public void onFolderUpdated(Folder folder) {
         mFolder = folder;
         setSwipeAction();
+
+        // Update enabled state of swipe to refresh.
+        mSwipeRefreshWidget.setEnabled(!ConversationListContext.isSearchResult(mViewContext));
+
         if (mFolder == null) {
             return;
         }
@@ -945,7 +950,7 @@ public final class ConversationListFragment extends ListFragment implements
         } else {
             // Finished syncing:
             LogUtils.d(LOG_TAG, "CLF.checkSyncStatus done syncing");
-            mConversationListView.onSyncFinished();
+            mSwipeRefreshWidget.setRefreshing(false);
         }
     }
 
@@ -954,7 +959,7 @@ public final class ConversationListFragment extends ListFragment implements
      * should only be called if user manually requested a sync, and not for background syncs.
      */
     protected void showSyncStatusBar() {
-        mConversationListView.showSyncStatusBar();
+        mSwipeRefreshWidget.setRefreshing(true);
     }
 
     /**
@@ -967,12 +972,14 @@ public final class ConversationListFragment extends ListFragment implements
     private final ConversationSetObserver mConversationSetObserver = new ConversationSetObserver() {
         @Override
         public void onSetPopulated(final ConversationSelectionSet set) {
-            // Do nothing
+            // Disable the swipe to refresh widget.
+            mSwipeRefreshWidget.setEnabled(false);
         }
 
         @Override
         public void onSetEmpty() {
             mSelectionModeExitedTimestamp = System.currentTimeMillis();
+            mSwipeRefreshWidget.setEnabled(true);
         }
 
         @Override
@@ -1005,4 +1012,16 @@ public final class ConversationListFragment extends ListFragment implements
             mScrollPositionRestored = true;
         }
     }
+
+    /* (non-Javadoc)
+     * @see android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener#onRefresh()
+     */
+    @Override
+    public void onRefresh() {
+        Analytics.getInstance().sendEvent(Analytics.EVENT_CATEGORY_MENU_ITEM, "swipe_refresh", null,
+                0);
+
+        // This will call back to showSyncStatusBar():
+        mActivity.getFolderController().requestFolderRefresh();
+    }
 }
diff --git a/src/com/android/mail/ui/ConversationListView.java b/src/com/android/mail/ui/ConversationListView.java
deleted file mode 100644
index d4cca44d4..000000000
--- a/src/com/android/mail/ui/ConversationListView.java
+++ /dev/null
@@ -1,494 +0,0 @@
-package com.android.mail.ui;
-
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.app.Activity;
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.graphics.PixelFormat;
-import android.graphics.Rect;
-import android.util.AttributeSet;
-import android.util.DisplayMetrics;
-import android.view.Gravity;
-import android.view.LayoutInflater;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.Window;
-import android.view.WindowManager;
-import android.view.animation.AccelerateInterpolator;
-import android.view.animation.DecelerateInterpolator;
-import android.view.animation.Interpolator;
-import android.widget.FrameLayout;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import com.android.mail.ConversationListContext;
-import com.android.mail.R;
-import com.android.mail.analytics.Analytics;
-import com.android.mail.preferences.AccountPreferences;
-import com.android.mail.preferences.MailPrefs;
-import com.android.mail.ui.ConversationSyncDisabledTipView.ReasonSyncOff;
-import com.android.mail.utils.LogTag;
-import com.android.mail.utils.LogUtils;
-import com.android.mail.utils.Utils;
-
-/**
- * Conversation list view contains a {@link SwipeableListView} and a sync status bar above it.
- */
-public class ConversationListView extends FrameLayout implements SwipeableListView.SwipeListener {
-
-    private static final int MIN_DISTANCE_TO_TRIGGER_SYNC = 150; // dp
-    private static final int MAX_DISTANCE_TO_TRIGGER_SYNC = 300; // dp
-
-    private static final int DISTANCE_TO_IGNORE = 15; // dp
-    private static final int DISTANCE_TO_TRIGGER_CANCEL = 10; // dp
-    private static final int SHOW_CHECKING_FOR_MAIL_DURATION_IN_MILLIS = 1 * 1000; // 1 seconds
-
-    private static final int SWIPE_TEXT_APPEAR_DURATION_IN_MILLIS = 200;
-    private static final int SYNC_STATUS_BAR_FADE_DURATION_IN_MILLIS = 150;
-    private static final int SYNC_TRIGGER_SHRINK_DURATION_IN_MILLIS = 250;
-
-    // Max number of times we display the same sync turned off warning message in a toast.
-    // After we reach this max, and device/account still has sync off, we assume user has
-    // intentionally disabled sync and no longer warn.
-    private static final int MAX_NUM_OF_SYNC_TOASTS = 5;
-
-    private static final String LOG_TAG = LogTag.getLogTag();
-
-    private View mSyncTriggerBar;
-    private View mSyncProgressBar;
-    private final AnimatorListenerAdapter mSyncDismissListener;
-    private SwipeableListView mListView;
-
-    // Whether to ignore events in {#dispatchTouchEvent}.
-    private boolean mIgnoreTouchEvents = false;
-
-    private boolean mTrackingScrollMovement = false;
-    // Y coordinate of where scroll started
-    private float mTrackingScrollStartY;
-    // Max Y coordinate reached since starting scroll, this is used to know whether
-    // user moved back up which should cancel the current tracking state and hide the
-    // sync trigger bar.
-    private float mTrackingScrollMaxY;
-    private boolean mIsSyncing = false;
-
-    private final Interpolator mAccelerateInterpolator = new AccelerateInterpolator(1.5f);
-    private final Interpolator mDecelerateInterpolator = new DecelerateInterpolator(1.5f);
-
-    private float mDensity;
-
-    private ControllableActivity mActivity;
-    private WindowManager mWindowManager;
-    private HintText mHintText;
-    private boolean mHasHintTextViewBeenAdded = false;
-
-    // Minimum vertical distance (in dips) of swipe to trigger a sync.
-    // This value can be different based on the device.
-    private float mDistanceToTriggerSyncDp = MIN_DISTANCE_TO_TRIGGER_SYNC;
-
-    private ConversationListContext mConvListContext;
-
-    private final MailPrefs mMailPrefs;
-    private AccountPreferences mAccountPreferences;
-
-    // Instantiated through view inflation
-    @SuppressWarnings("unused")
-    public ConversationListView(Context context) {
-        this(context, null);
-    }
-
-    public ConversationListView(Context context, AttributeSet attrs) {
-        this(context, attrs, -1);
-    }
-
-    public ConversationListView(Context context, AttributeSet attrs, int defStyle) {
-        super(context, attrs, defStyle);
-
-        mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
-        mHintText = new ConversationListView.HintText(context);
-
-        mSyncDismissListener = new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator arg0) {
-                mSyncProgressBar.setVisibility(GONE);
-                mSyncTriggerBar.setVisibility(GONE);
-            }
-        };
-
-        mMailPrefs = MailPrefs.get(context);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-        mListView = (SwipeableListView) findViewById(android.R.id.list);
-        mListView.setSwipeListener(this);
-
-        DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
-        mDensity = displayMetrics.density;
-
-        // Calculate distance threshold for triggering a sync based on
-        // screen height.  Apply a min and max cutoff.
-        float threshold = (displayMetrics.heightPixels) / mDensity / 2.5f;
-        mDistanceToTriggerSyncDp = Math.max(
-                Math.min(threshold, MAX_DISTANCE_TO_TRIGGER_SYNC),
-                MIN_DISTANCE_TO_TRIGGER_SYNC);
-    }
-
-    protected void setActivity(ControllableActivity activity) {
-        mActivity = activity;
-    }
-
-    protected void setConversationContext(ConversationListContext convListContext) {
-        mConvListContext = convListContext;
-        mAccountPreferences = AccountPreferences.get(getContext(),
-                convListContext.account.getEmailAddress());
-    }
-
-    @Override
-    public void onBeginSwipe() {
-        mIgnoreTouchEvents = true;
-        if (mTrackingScrollMovement) {
-            cancelMovementTracking();
-        }
-    }
-
-    private void addHintTextViewIfNecessary() {
-        if (!mHasHintTextViewBeenAdded) {
-            mWindowManager.addView(mHintText, getRefreshHintTextLayoutParams());
-            mHasHintTextViewBeenAdded = true;
-        }
-    }
-
-    @Override
-    public boolean dispatchTouchEvent(MotionEvent event) {
-        // Delayed to this step because activity has to be running in order for view to be
-        // successfully added to the window manager.
-        addHintTextViewIfNecessary();
-
-        // First check for any events that can trigger end of a swipe, so we can reset
-        // mIgnoreTouchEvents back to false (it can only be set to true at beginning of swipe)
-        // via {#onBeginSwipe()} callback.
-        switch (event.getAction()) {
-            case MotionEvent.ACTION_DOWN:
-            case MotionEvent.ACTION_UP:
-            case MotionEvent.ACTION_CANCEL:
-                mIgnoreTouchEvents = false;
-        }
-
-        if (mIgnoreTouchEvents) {
-            return super.dispatchTouchEvent(event);
-        }
-
-        float y = event.getY(0);
-        switch (event.getAction()) {
-            case MotionEvent.ACTION_DOWN:
-                if (mIsSyncing) {
-                    break;
-                }
-                // Disable swipe to refresh in search results page
-                if (ConversationListContext.isSearchResult(mConvListContext)) {
-                    break;
-                }
-                // Disable swipe to refresh in CAB mode
-                if (mActivity.getSelectedSet() != null &&
-                        mActivity.getSelectedSet().size() > 0) {
-                    break;
-                }
-                // Only if we have reached the top of the list, any further scrolling
-                // can potentially trigger a sync.
-                if (mListView.getChildCount() == 0 || mListView.getChildAt(0).getTop() == 0) {
-                    startMovementTracking(y);
-                }
-                break;
-            case MotionEvent.ACTION_MOVE:
-                if (mTrackingScrollMovement) {
-                    // Sync is triggered when tap and drag distance goes over a certain threshold
-                    float verticalDistancePx = y - mTrackingScrollStartY;
-                    float verticalDistanceDp = verticalDistancePx / mDensity;
-                    if (verticalDistanceDp > mDistanceToTriggerSyncDp) {
-                        LogUtils.i(LOG_TAG, "Sync triggered from distance");
-                        triggerSync();
-                        break;
-                    }
-
-                    // Moving back up vertically should be handled the same as CANCEL / UP:
-                    float verticalDistanceFromMaxPx = mTrackingScrollMaxY - y;
-                    float verticalDistanceFromMaxDp = verticalDistanceFromMaxPx / mDensity;
-                    if (verticalDistanceFromMaxDp > DISTANCE_TO_TRIGGER_CANCEL) {
-                        cancelMovementTracking();
-                        break;
-                    }
-
-                    // Otherwise hint how much further user needs to drag to trigger sync by
-                    // expanding the sync status bar proportional to how far they have dragged.
-                    if (verticalDistanceDp < DISTANCE_TO_IGNORE) {
-                        // Ignore small movements such as tap
-                        verticalDistanceDp = 0;
-                    } else {
-                        mHintText.displaySwipeToRefresh();
-                    }
-                    setTriggerScale(mAccelerateInterpolator.getInterpolation(
-                            verticalDistanceDp/mDistanceToTriggerSyncDp));
-
-                    if (y > mTrackingScrollMaxY) {
-                        mTrackingScrollMaxY = y;
-                    }
-                }
-                break;
-            case MotionEvent.ACTION_CANCEL:
-            case MotionEvent.ACTION_UP:
-                if (mTrackingScrollMovement) {
-                    cancelMovementTracking();
-                }
-                break;
-        }
-
-        return super.dispatchTouchEvent(event);
-    }
-
-    private void startMovementTracking(float y) {
-        LogUtils.d(LOG_TAG, "Start swipe to refresh tracking");
-        mTrackingScrollMovement = true;
-        mTrackingScrollStartY = y;
-        mTrackingScrollMaxY = mTrackingScrollStartY;
-    }
-
-    private void cancelMovementTracking() {
-        if (mTrackingScrollMovement) {
-            // Shrink the status bar when user lifts finger and no sync has happened yet
-            if (mSyncTriggerBar != null) {
-                mSyncTriggerBar.animate()
-                        .scaleX(0f)
-                        .setInterpolator(mDecelerateInterpolator)
-                        .setDuration(SYNC_TRIGGER_SHRINK_DURATION_IN_MILLIS)
-                        .setListener(mSyncDismissListener)
-                        .start();
-            }
-            mTrackingScrollMovement = false;
-        }
-        mHintText.hide();
-    }
-
-    private void setTriggerScale(float scale) {
-        if (scale == 0f && mSyncTriggerBar == null) {
-            // No-op. A null trigger means it's uninitialized, and setting it to zero-scale
-            // means we're trying to reset state, so there's nothing to reset in this case.
-            return;
-        } else if (mSyncTriggerBar != null) {
-            // reset any leftover trigger visual state
-            mSyncTriggerBar.animate().cancel();
-            mSyncTriggerBar.setVisibility(VISIBLE);
-        }
-        ensureProgressBars();
-        mSyncTriggerBar.setScaleX(scale);
-    }
-
-    private void ensureProgressBars() {
-        if (mSyncTriggerBar == null || mSyncProgressBar == null) {
-            final LayoutInflater inflater = LayoutInflater.from(getContext());
-            inflater.inflate(R.layout.conversation_list_progress, this, true /* attachToRoot */);
-            mSyncTriggerBar = findViewById(R.id.sync_trigger);
-            mSyncProgressBar = findViewById(R.id.progress);
-        }
-    }
-
-    private void triggerSync() {
-        ensureProgressBars();
-        mSyncTriggerBar.setVisibility(View.GONE);
-
-        Analytics.getInstance().sendEvent(Analytics.EVENT_CATEGORY_MENU_ITEM, "swipe_refresh", null,
-                0);
-
-        // This will call back to showSyncStatusBar():
-        mActivity.getFolderController().requestFolderRefresh();
-
-        // Any continued dragging after this should have no effect
-        mTrackingScrollMovement = false;
-
-        mHintText.displayCheckingForMailAndHideAfterDelay();
-    }
-
-    protected void showSyncStatusBar() {
-        if (!mIsSyncing) {
-            mIsSyncing = true;
-
-            LogUtils.i(LOG_TAG, "ConversationListView show sync status bar");
-            ensureProgressBars();
-            mSyncTriggerBar.setVisibility(GONE);
-            mSyncProgressBar.setVisibility(VISIBLE);
-            mSyncProgressBar.setAlpha(1f);
-
-            showToastIfSyncIsOff();
-        }
-    }
-
-    // If sync is turned off on this device or account, remind the user with a toast.
-    private void showToastIfSyncIsOff() {
-        final int reasonSyncOff = ConversationSyncDisabledTipView.calculateReasonSyncOff(
-                mMailPrefs, mConvListContext.account, mAccountPreferences);
-        switch (reasonSyncOff) {
-            case ReasonSyncOff.AUTO_SYNC_OFF:
-                // TODO: make this an actionable toast, tapping on it goes to Settings
-                int num = mMailPrefs.getNumOfDismissesForAutoSyncOff();
-                if (num > 0 && num <= MAX_NUM_OF_SYNC_TOASTS) {
-                    Toast.makeText(getContext(), R.string.auto_sync_off, Toast.LENGTH_SHORT)
-                            .show();
-                    mMailPrefs.incNumOfDismissesForAutoSyncOff();
-                }
-                break;
-            case ReasonSyncOff.ACCOUNT_SYNC_OFF:
-                // TODO: make this an actionable toast, tapping on it goes to Settings
-                num = mAccountPreferences.getNumOfDismissesForAccountSyncOff();
-                if (num > 0 && num <= MAX_NUM_OF_SYNC_TOASTS) {
-                    Toast.makeText(getContext(), R.string.account_sync_off, Toast.LENGTH_SHORT)
-                            .show();
-                    mAccountPreferences.incNumOfDismissesForAccountSyncOff();
-                }
-                break;
-        }
-    }
-
-    protected void onSyncFinished() {
-        // onSyncFinished() can get called several times as result of folder updates that maybe
-        // or may not be related to sync.
-        if (mIsSyncing) {
-            LogUtils.i(LOG_TAG, "ConversationListView hide sync status bar");
-            // Hide both the sync progress bar and sync trigger bar
-            mSyncProgressBar.animate().alpha(0f)
-                    .setDuration(SYNC_STATUS_BAR_FADE_DURATION_IN_MILLIS)
-                    .setListener(mSyncDismissListener);
-            mSyncTriggerBar.setVisibility(GONE);
-            // Hide the "Checking for mail" text in action bar if it isn't hidden already:
-            mHintText.hide();
-            mIsSyncing = false;
-        }
-    }
-
-    @Override
-    protected void onDetachedFromWindow() {
-        if (mHasHintTextViewBeenAdded) {
-            try {
-                mWindowManager.removeView(mHintText);
-            } catch (IllegalArgumentException e) {
-                // Have seen this happen on occasion during orientation change.
-            }
-        }
-    }
-
-    private WindowManager.LayoutParams getRefreshHintTextLayoutParams() {
-        // Create the "Swipe down to refresh" text view that covers the action bar.
-        Rect rect= new Rect();
-        Window window = mActivity.getWindow();
-        window.getDecorView().getWindowVisibleDisplayFrame(rect);
-        int statusBarHeight = rect.top;
-
-        final TypedArray actionBarSize = ((Activity) mActivity).obtainStyledAttributes(
-                new int[]{android.R.attr.actionBarSize});
-        int actionBarHeight = actionBarSize.getDimensionPixelSize(0, 0);
-        actionBarSize.recycle();
-
-        WindowManager.LayoutParams params = new WindowManager.LayoutParams(
-                WindowManager.LayoutParams.MATCH_PARENT,
-                actionBarHeight,
-                WindowManager.LayoutParams.TYPE_APPLICATION_PANEL,
-                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
-                PixelFormat.TRANSLUCENT);
-        params.gravity = Gravity.TOP;
-        params.x = 0;
-        params.y = statusBarHeight;
-        return params;
-    }
-
-    /**
-     * A text view that covers the entire action bar, used for displaying
-     * "Swipe down to refresh" hint text if user has initiated a downward swipe.
-     */
-    protected static class HintText extends FrameLayout {
-
-        private static final int NONE = 0;
-        private static final int SWIPE_TO_REFRESH = 1;
-        private static final int CHECKING_FOR_MAIL = 2;
-
-        // Can be one of NONE, SWIPE_TO_REFRESH, CHECKING_FOR_MAIL
-        private int mDisplay;
-
-        private TextView mTextView;
-
-        private final Interpolator mDecelerateInterpolator = new DecelerateInterpolator(1.5f);
-        private final Interpolator mAccelerateInterpolator = new AccelerateInterpolator(1.5f);
-
-        private final Runnable mHideHintTextRunnable = new Runnable() {
-            @Override
-            public void run() {
-                hide();
-            }
-        };
-        private final Runnable mSetVisibilityGoneRunnable = new Runnable() {
-            @Override
-            public void run() {
-                setVisibility(View.GONE);
-            }
-        };
-
-        public HintText(final Context context) {
-            this(context, null);
-        }
-
-        public HintText(final Context context, final AttributeSet attrs) {
-            this(context, attrs, -1);
-        }
-
-        public HintText(final Context context, final AttributeSet attrs, final int defStyle) {
-            super(context, attrs, defStyle);
-
-            final LayoutInflater factory = LayoutInflater.from(context);
-            factory.inflate(R.layout.swipe_to_refresh, this);
-
-            mTextView = (TextView) findViewById(R.id.swipe_text);
-
-            mDisplay = NONE;
-            setVisibility(View.GONE);
-
-            // Set background color to be same as action bar color
-            final int actionBarRes = Utils.getActionBarBackgroundResource(context);
-            setBackgroundResource(actionBarRes);
-        }
-
-        private void displaySwipeToRefresh() {
-            if (mDisplay != SWIPE_TO_REFRESH) {
-                mTextView.setText(getResources().getText(R.string.swipe_down_to_refresh));
-                // Covers the current action bar:
-                setVisibility(View.VISIBLE);
-                setAlpha(1f);
-                // Animate text sliding down onto action bar:
-                mTextView.setY(-mTextView.getHeight());
-                mTextView.animate().y(0)
-                        .setInterpolator(mDecelerateInterpolator)
-                        .setDuration(SWIPE_TEXT_APPEAR_DURATION_IN_MILLIS);
-                mDisplay = SWIPE_TO_REFRESH;
-            }
-        }
-
-        private void displayCheckingForMailAndHideAfterDelay() {
-            mTextView.setText(getResources().getText(R.string.checking_for_mail));
-            setVisibility(View.VISIBLE);
-            mDisplay = CHECKING_FOR_MAIL;
-            postDelayed(mHideHintTextRunnable, SHOW_CHECKING_FOR_MAIL_DURATION_IN_MILLIS);
-        }
-
-        private void hide() {
-            if (mDisplay != NONE) {
-                // Animate text sliding up leaving behind a blank action bar
-                mTextView.animate().y(-mTextView.getHeight())
-                        .setInterpolator(mAccelerateInterpolator)
-                        .setDuration(SWIPE_TEXT_APPEAR_DURATION_IN_MILLIS)
-                        .start();
-                animate().alpha(0f)
-                        .setDuration(SWIPE_TEXT_APPEAR_DURATION_IN_MILLIS);
-                postDelayed(mSetVisibilityGoneRunnable, SWIPE_TEXT_APPEAR_DURATION_IN_MILLIS);
-                mDisplay = NONE;
-            }
-        }
-    }
-}