IPH - Added triggers for Download page

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
index 71b17ddef8f2a2e72d7bb75dc069781fa06dd969..765277e2faefd6028294c5fdda571d6ac2e81163 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
@@ -18,6 +18,7 @@ import android.view.View.OnAttachStateChangeListener;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup.MarginLayoutParams;
 import android.widget.FrameLayout;
+import android.widget.PopupWindow.OnDismissListener;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.Callback;
@@ -43,6 +44,8 @@ import org.chromium.chrome.browser.compositor.layouts.LayoutManager;
 import org.chromium.chrome.browser.compositor.layouts.OverviewModeBehavior;
 import org.chromium.chrome.browser.compositor.layouts.OverviewModeBehavior.OverviewModeObserver;
 import org.chromium.chrome.browser.compositor.layouts.SceneChangeObserver;
+import org.chromium.chrome.browser.download.DownloadUtils;
+import org.chromium.chrome.browser.feature_engagement_tracker.FeatureEngagementTrackerFactory;
 import org.chromium.chrome.browser.fullscreen.BrowserStateBrowserControlsVisibilityDelegate;
 import org.chromium.chrome.browser.fullscreen.FullscreenManager;
 import org.chromium.chrome.browser.ntp.IncognitoNewTabPage;
@@ -70,10 +73,14 @@ import org.chromium.chrome.browser.tabmodel.TabModelSelectorObserver;
 import org.chromium.chrome.browser.toolbar.ActionModeController.ActionBarDelegate;
 import org.chromium.chrome.browser.widget.findinpage.FindToolbarManager;
 import org.chromium.chrome.browser.widget.findinpage.FindToolbarObserver;
+import org.chromium.chrome.browser.widget.textbubble.ViewAnchoredTextBubble;
+import org.chromium.components.feature_engagement_tracker.FeatureConstants;
+import org.chromium.components.feature_engagement_tracker.FeatureEngagementTracker;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.content_public.browser.NavigationController;
 import org.chromium.content_public.browser.NavigationEntry;
 import org.chromium.content_public.browser.WebContents;
+import org.chromium.net.NetError;
 import org.chromium.ui.UiUtils;
 import org.chromium.ui.base.DeviceFormFactor;
 import org.chromium.ui.base.PageTransition;
@@ -469,6 +476,8 @@ public class ToolbarManager implements ToolbarTabController, UrlFocusChangeListe
                     mToolbar.onNavigatedToDifferentPage();
                 }
 
+                displayFeatureEngagementTextBubbleIfNecessary(tab, errorCode);
+
                 // If the load failed due to a different navigation, there is no need to reset the
                 // location bar animations.
                 if (errorCode != 0 && isInMainFrame && !hasPendingNonNtpNavigation(tab)) {
@@ -480,6 +489,37 @@ public class ToolbarManager implements ToolbarTabController, UrlFocusChangeListe
                     if (mToolbar.getProgressBar() != null) mToolbar.getProgressBar().finish(false);
                 }
             }
+
+            private void displayFeatureEngagementTextBubbleIfNecessary(Tab tab, int errorCode) {

[David Trainor- moved to gerrit, 2017/04/13 03:58:24]

Should we dismiss the bubble if the page navigates again?

+                final FeatureEngagementTracker tracker =
+                        FeatureEngagementTrackerFactory.getFeatureEngagementTrackerForProfile(
+                                tab.getProfile());
+
+                if (errorCode == NetError.ERR_INTERNET_DISCONNECTED) {
+                    tracker.notifyEvent(FeatureConstants.USER_HAS_SEEN_DINO_EVENT);
+                    return;
+                }
+
+                boolean shouldTrigger = false;
+                if (errorCode == 0 && DownloadUtils.isAllowedToDownloadPage(tab)) {
+                    shouldTrigger =
+                            tracker.shouldTriggerHelpUI(FeatureConstants.DOWNLOAD_PAGE_FEATURE);
+                }
+
+                if (!shouldTrigger) return;
+
+                ViewAnchoredTextBubble textBubble =
+                        new ViewAnchoredTextBubble(mToolbar.getContext(), getMenuAnchor(),
+                                R.string.iph_download_page_for_offline_usage_text);
+                textBubble.setDismissOnTouchInteraction(true);
+                textBubble.setOnDismissListener(new OnDismissListener() {
+                    @Override
+                    public void onDismiss() {
+                        tracker.dismissed();
+                    }
+                });
+                textBubble.show();
+            }
         };
 
         mBookmarksObserver = new BookmarkBridge.BookmarkModelObserver() {