Added a UI for the Interests Prototype.

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPage.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.ntp;
 
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.Dialog;
@@ skipping 27 matching lines @@
 import org.chromium.chrome.browser.favicon.FaviconHelper;
 import org.chromium.chrome.browser.favicon.FaviconHelper.FaviconImageCallback;
 import org.chromium.chrome.browser.favicon.FaviconHelper.IconAvailabilityCallback;
 import org.chromium.chrome.browser.favicon.LargeIconBridge;
 import org.chromium.chrome.browser.favicon.LargeIconBridge.LargeIconCallback;
 import org.chromium.chrome.browser.metrics.StartupMetrics;
 import org.chromium.chrome.browser.ntp.BookmarksPage.BookmarkSelectedListener;
 import org.chromium.chrome.browser.ntp.LogoBridge.Logo;
 import org.chromium.chrome.browser.ntp.LogoBridge.LogoObserver;
 import org.chromium.chrome.browser.ntp.NewTabPageView.NewTabPageManager;
+import org.chromium.chrome.browser.ntp.interests.InterestsPage;
+import org.chromium.chrome.browser.ntp.interests.InterestsPage.InterestsClickListener;
 import org.chromium.chrome.browser.offlinepages.OfflinePageBridge;
 import org.chromium.chrome.browser.preferences.DocumentModeManager;
 import org.chromium.chrome.browser.preferences.DocumentModePreference;
 import org.chromium.chrome.browser.preferences.PrefServiceBridge;
 import org.chromium.chrome.browser.preferences.PreferencesLauncher;
 import org.chromium.chrome.browser.profiles.MostVisitedSites;
 import org.chromium.chrome.browser.profiles.MostVisitedSites.MostVisitedURLsObserver;
 import org.chromium.chrome.browser.profiles.MostVisitedSites.ThumbnailCallback;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.search_engines.TemplateUrlService;
 import org.chromium.chrome.browser.search_engines.TemplateUrlService.TemplateUrlServiceObserver;
 import org.chromium.chrome.browser.tab.EmptyTabObserver;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tab.TabObserver;
 import org.chromium.chrome.browser.tabmodel.TabModel;
 import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType;
 import org.chromium.chrome.browser.tabmodel.TabModelSelector;
 import org.chromium.chrome.browser.tabmodel.TabModelUtils;
 import org.chromium.chrome.browser.tabmodel.document.ActivityDelegate;
 import org.chromium.chrome.browser.tabmodel.document.DocumentTabModel;
 import org.chromium.chrome.browser.util.FeatureUtilities;
 import org.chromium.chrome.browser.util.UrlUtilities;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.net.NetworkChangeNotifier;
+import org.chromium.sync.signin.ChromeSigninController;
 import org.chromium.ui.base.DeviceFormFactor;
 import org.chromium.ui.base.PageTransition;
 
 import java.util.concurrent.TimeUnit;
 
 import jp.tomorrowkey.android.gifplayer.BaseGifImage;
 
 /**
  * Provides functionality when the user interacts with the NTP.
  */
@@ skipping 101 matching lines @@
             NativePage page = BookmarksPage.buildPageInDocumentMode(
                     activity, tab, tabModelSelector, Profile.getLastUsedProfile(),
                     listener);
             page.updateForUrl(UrlConstants.BOOKMARKS_URL);
             Dialog dialog = new NativePageDialog(activity, page);
             listener.setDialog(dialog);
             dialog.show();
         }
     }
 
+    public static void launchInterestsDialog(Activity activity, final Tab tab) {
+        InterestsPage page =
+                new InterestsPage(activity, tab, Profile.getLastUsedProfile());
+        final Dialog dialog = new NativePageDialog(activity, page);
+
+        InterestsClickListener listener = new InterestsClickListener() {
+            @Override
+            public void onInterestClicked(String name) {
+                tab.loadUrl(new LoadUrlParams(
+                        TemplateUrlService.getInstance().getUrlForSearchQuery(name)));
+                dialog.dismiss();
+            }
+        };
+
+        page.setListener(listener);
+        dialog.show();
+    }
+
     public static void launchRecentTabsDialog(Activity activity, Tab tab) {
         DocumentRecentTabsManager manager = new DocumentRecentTabsManager(tab, activity);
         NativePage page = new RecentTabsPage(activity, manager);
         page.updateForUrl(UrlConstants.RECENT_TABS_URL);
         Dialog dialog = new NativePageDialog(activity, page);
         manager.setDialog(dialog);
         dialog.show();
     }
 
     @VisibleForTesting
     static void setMostVisitedSitesForTests(MostVisitedSites mostVisitedSitesForTests) {
         sMostVisitedSitesForTests = mostVisitedSitesForTests;
     }
 
     private final NewTabPageManager mNewTabPageManager = new NewTabPageManager() {
         @Override
         public boolean isLocationBarShownInNTP() {
             if (mIsDestroyed) return false;
             Context context = mNewTabPageView.getContext();
             return isInSingleUrlBarMode(context)
                     && !mNewTabPageView.urlFocusAnimationsDisabled();
         }
 
         @Override
         public boolean isVoiceSearchEnabled() {
             return mFakeboxDelegate != null && mFakeboxDelegate.isVoiceSearchEnabled();
         }
 
+        @Override
+        public boolean isInterestsEnabled() {
+            return CommandLine.getInstance().hasSwitch(ChromeSwitches.ENABLE_INTERESTS)
+                    && ChromeSigninController.get(mActivity).isSignedIn();
+        }
+
         private void recordOpenedMostVisitedItem(MostVisitedItem item) {
             if (mIsDestroyed) return;
             NewTabPageUma.recordAction(NewTabPageUma.ACTION_OPENED_MOST_VISITED_ENTRY);
             NewTabPageUma.recordExplicitUserNavigation(
                     item.getUrl(), NewTabPageUma.RAPPOR_ACTION_VISITED_SUGGESTED_TILE);
             RecordHistogram.recordMediumTimesHistogram("NewTabPage.MostVisitedTime",
                     System.nanoTime() - mLastShownTimeNs, TimeUnit.NANOSECONDS);
             mMostVisitedSites.recordOpenedMostVisitedItem(item.getIndex(), item.getTileType());
         }
 
@@ skipping 142 matching lines @@
             if (mIsDestroyed) return;
             RecordUserAction.record("MobileNTPSwitchToOpenTabs");
             if (FeatureUtilities.isDocumentMode(mActivity)) {
                 launchRecentTabsDialog(mActivity, mTab);
             } else {
                 mTab.loadUrl(new LoadUrlParams(UrlConstants.RECENT_TABS_URL));
             }
         }
 
         @Override
+        public void navigateToInterests() {
+            if (mIsDestroyed) return;
+            RecordUserAction.record("MobileNTP.Interests.OpenDialog");
+            // TODO(peconn): Make this load a native page on tablets.
+            launchInterestsDialog(mActivity, mTab);
+        }
+
+        @Override
         public void focusSearchBox(boolean beginVoiceSearch, String pastedText) {
             if (mIsDestroyed) return;
             if (mFakeboxDelegate != null) {
                 if (beginVoiceSearch) {
                     mFakeboxDelegate.startVoiceRecognition();
                 } else {
                     mFakeboxDelegate.requestUrlFocusFromFakebox(pastedText);
                 }
             }
         }
@@ skipping 369 matching lines @@
         public void onBookmarkSelected(String url, String title, Bitmap favicon) {
             if (mDialog != null) mDialog.dismiss();
             mTab.loadUrl(new LoadUrlParams(url));
         }
 
         public void setDialog(Dialog dialog) {
             mDialog = dialog;
         }
     }
 }