Snackbar for promoting Data Saver to existing users

chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.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;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.SearchManager;
@@ skipping 69 matching lines @@
 import org.chromium.chrome.browser.gsa.GSAServiceClient;
 import org.chromium.chrome.browser.gsa.GSAState;
 import org.chromium.chrome.browser.help.HelpAndFeedback;
 import org.chromium.chrome.browser.infobar.InfoBarContainer;
 import org.chromium.chrome.browser.init.AsyncInitializationActivity;
 import org.chromium.chrome.browser.metrics.LaunchMetrics;
 import org.chromium.chrome.browser.metrics.StartupMetrics;
 import org.chromium.chrome.browser.metrics.UmaSessionStats;
 import org.chromium.chrome.browser.metrics.UmaUtils;
 import org.chromium.chrome.browser.multiwindow.MultiWindowUtils;
+import org.chromium.chrome.browser.net.spdyproxy.DataReductionProxySettings;
 import org.chromium.chrome.browser.nfc.BeamController;
 import org.chromium.chrome.browser.nfc.BeamProvider;
 import org.chromium.chrome.browser.offlinepages.OfflinePageBridge;
 import org.chromium.chrome.browser.offlinepages.OfflinePageUtils;
 import org.chromium.chrome.browser.omaha.UpdateMenuItemHelper;
 import org.chromium.chrome.browser.pageinfo.WebsiteSettingsPopup;
 import org.chromium.chrome.browser.partnercustomizations.PartnerBrowserCustomizations;
 import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
 import org.chromium.chrome.browser.preferences.PrefServiceBridge;
 import org.chromium.chrome.browser.preferences.PreferencesLauncher;
 import org.chromium.chrome.browser.printing.PrintShareActivity;
 import org.chromium.chrome.browser.printing.TabPrinter;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.share.ShareHelper;
+import org.chromium.chrome.browser.snackbar.DataReductionPromoSnackbarController;
 import org.chromium.chrome.browser.snackbar.DataUseSnackbarController;
 import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarManageable;
 import org.chromium.chrome.browser.sync.ProfileSyncService;
 import org.chromium.chrome.browser.sync.SyncController;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager;
 import org.chromium.chrome.browser.tabmodel.EmptyTabModel;
 import org.chromium.chrome.browser.tabmodel.TabCreatorManager;
 import org.chromium.chrome.browser.tabmodel.TabModel;
@@ skipping 101 matching lines @@
     private ProfileSyncService.SyncStateChangedListener mSyncStateChangedListener;
 
     private ActivityWindowAndroid mWindowAndroid;
     private ChromeFullscreenManager mFullscreenManager;
     private CompositorViewHolder mCompositorViewHolder;
     private InsetObserverView mInsetObserverView;
     private ContextualSearchManager mContextualSearchManager;
     private ReaderModeManager mReaderModeManager;
     private SnackbarManager mSnackbarManager;
     private DataUseSnackbarController mDataUseSnackbarController;
+    private DataReductionPromoSnackbarController mDataReductionPromoSnackbarController;
     private AppMenuPropertiesDelegate mAppMenuPropertiesDelegate;
     private AppMenuHandler mAppMenuHandler;
     private ToolbarManager mToolbarManager;
 
     // Time in ms that it took took us to inflate the initial layout
     private long mInflateInitialLayoutDurationMs;
 
     private int mScreenWidthDp;
     private Runnable mRecordMultiWindowModeScreenWidthRunnable;
 
@@ skipping 230 matching lines @@
             public void didFirstVisuallyNonEmptyPaint(Tab tab) {
                 if (DataUseTabUIManager.checkAndResetDataUseTrackingStarted(tab)
                         && DataUseTabUIManager.shouldShowDataUseStartedUI()) {
                     mDataUseSnackbarController.showDataUseTrackingStartedBar();
                 } else if (DataUseTabUIManager.shouldShowDataUseEndedUI()
                         && DataUseTabUIManager.shouldShowDataUseEndedSnackbar(
                                    getApplicationContext())
                         && DataUseTabUIManager.checkAndResetDataUseTrackingEnded(tab)) {
                     mDataUseSnackbarController.showDataUseTrackingEndedBar();
                 }
+
+                // Only alert about data savings once the first paint has happened. It doesn't make
+                // sense to show a snackbar about savings when nothing has been displayed yet.
+                if (DataReductionProxySettings.getInstance().isSnackbarPromoAllowed(tab.getUrl())) {
+                    if (mDataReductionPromoSnackbarController == null) {
+                        mDataReductionPromoSnackbarController =
+                                new DataReductionPromoSnackbarController(
+                                        getApplicationContext(), getSnackbarManager());
+                    }
+                    mDataReductionPromoSnackbarController.maybeShowDataReductionPromoSnackbar(
+                            DataReductionProxySettings.getInstance()
+                                    .getTotalHttpContentLengthSaved());
+                }
             }
 
             @Override
             public void onShown(Tab tab) {
                 setStatusBarColor(tab, tab.getThemeColor());
             }
 
             @Override
             public void onHidden(Tab tab) {
                 mDataUseSnackbarController.dismissDataUseBar();
@@ skipping 1410 matching lines @@
                 "Android.MultiWindowMode.IsTabletScreenWidthBelow600",
                 mScreenWidthDp < DeviceFormFactor.MINIMUM_TABLET_WIDTH_DP);
 
         if (mScreenWidthDp < DeviceFormFactor.MINIMUM_TABLET_WIDTH_DP) {
             RecordHistogram.recordLinearCountHistogram(
                     "Android.MultiWindowMode.TabletScreenWidth", mScreenWidthDp, 1,
                     DeviceFormFactor.MINIMUM_TABLET_WIDTH_DP, 50);
         }
     }
 }