[Contextual Search] Add support for crushed sprites and animate the search provider icon

chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchPolicy.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.contextualsearch;
 
 import android.content.Context;
 
 import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.browser.ChromeVersionInfo;
 import org.chromium.chrome.browser.contextualsearch.ContextualSearchSelectionController.SelectionType;
 import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
 import org.chromium.chrome.browser.preferences.NetworkPredictionOptions;
 import org.chromium.chrome.browser.preferences.PrefServiceBridge;
 import org.chromium.content.browser.ContentViewCore;
 
 import java.net.URL;
 import java.util.regex.Pattern;
 
 import javax.annotation.Nullable;
 
 
 /**
  * Handles policy decisions for the {@code ContextualSearchManager}.
  */
 class ContextualSearchPolicy {
     private static final Pattern CONTAINS_WHITESPACE_PATTERN = Pattern.compile("\\s");
     private static final int REMAINING_NOT_APPLICABLE = -1;
+    private static final int ONE_DAY_IN_MILLIS = 24 * 60 * 60 * 1000;
 
     private static ContextualSearchPolicy sInstance;
 
     private final ChromePreferenceManager mPreferenceManager;
 
     // Members used only for testing purposes.
     private boolean mDidOverrideDecidedStateForTesting;
     private boolean mDecidedStateForTesting;
     private boolean mDidResetCounters;
 
@@ skipping 258 matching lines @@
      * TODO(donnd): Update this API to definitively determine if it's OK to send the URL,
      * by merging the checks in the native contextual_search_delegate here.
      * @return {@code true} if the URL may be sent for policy reasons.
      *         Note that a return value of {@code true} may still require additional checks
      *         to see if all privacy-related conditions are met to send the base page URL.
      */
     boolean maySendBasePageUrl() {
         return !isUserUndecided();
     }
 
+    /**
+     * The search provider icon is animated every time on long press if the user has never opened
+     * the panel before and once a day on tap.
+     *
+     * @param selectionType The type of selection made by the user.
+     * @param isShowing Whether the panel is showing.
+     * @return Whether the search provider icon should be animated.
+     */
+    boolean shouldAnimateSearchProviderIcon(SelectionType selectionType, boolean isShowing) {
+        if (isShowing) {
+            return false;
+        }
+
+        if (selectionType == SelectionType.TAP) {
+            long currentTimeMillis = System.currentTimeMillis();
+            long lastAnimatedTimeMillis =
+                    mPreferenceManager.getContextualSearchLastAnimationTime();
+            if (Math.abs(currentTimeMillis - lastAnimatedTimeMillis) > ONE_DAY_IN_MILLIS) {
+                mPreferenceManager.setContextualSearchLastAnimationTime(currentTimeMillis);
+                return true;
+            } else {
+                return false;
+            }
+        } else if (selectionType == SelectionType.LONG_PRESS) {
+            // If the panel has never been opened before, getPromoOpenCount() will be 0.
+            // Once the panel has been opened, regardless of whether or not the user has opted-in or
+            // opted-out, the promo open count will be greater than zero.
+            return getPromoOpenCount() == 0;
+        }
+
+        return false;
+    }
+
     // --------------------------------------------------------------------------------------------
     // Testing support.
     // --------------------------------------------------------------------------------------------
 
     /**
      * Resets all policy counters.
      */
     @VisibleForTesting
     void resetCounters() {
         updateCountersForOpen();
@@ skipping 102 matching lines @@
 
     /**
      * @return The limit of the number of taps to resolve using search term resolution.
      */
     private int getTapResolveLimit() {
         return isUserUndecided()
                 ? ContextualSearchFieldTrial.getTapResolveLimitForUndecided()
                 : ContextualSearchFieldTrial.getTapResolveLimitForDecided();
     }
 }