[Home] Add support for snackbars in the BottomSheet

A second SnackbarManager is used to display snackbars on top
of the bottom sheet.

BUG=704128

Review-Url: https://codereview.chromium.org/2806593004
Cr-Commit-Position: refs/heads/master@{#463329}

chrome/android/java/res/layout/main.xml

@@ -78,6 +78,13 @@
                 android:inflatedId="@+id/bottom_nav"
                 android:layout="@layout/bottom_sheet_bottom_nav" />
 
+           <FrameLayout
+                android:id="@+id/bottom_sheet_snackbar_container"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_gravity="start|bottom"
+                android:layout_marginTop="@dimen/bottom_nav_height_inverse" />
+
         </android.support.design.widget.CoordinatorLayout>
 
         <HorizontalScrollView

chrome/android/java/res/values/dimens.xml

@@ -433,6 +433,7 @@
 
     <!-- Bottom sheet bottom nav dimensions -->
     <dimen name="bottom_nav_height">56dp</dimen>
+    <dimen name="bottom_nav_height_inverse">-56dp</dimen>
     <dimen name="bottom_nav_space_from_toolbar">96dp</dimen>
     <!-- The following two dimensions override defaults in Android's BottomNavigationView -->
     <dimen name="design_bottom_navigation_text_size">12sp</dimen>

chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java

@@ -310,7 +310,7 @@ public abstract class ChromeActivity extends AsyncInitializationActivity
     public void postInflationStartup() {
         super.postInflationStartup();
 
-        mSnackbarManager = new SnackbarManager(this);
+        mSnackbarManager = new SnackbarManager(this, null);
         mDataUseSnackbarController = new DataUseSnackbarController(this, getSnackbarManager());
 
         mAssistStatusHandler = createAssistStatusHandler();
@@ -379,7 +379,7 @@ public abstract class ChromeActivity extends AsyncInitializationActivity
             int controlContainerHeight =
                     ((ControlContainer) findViewById(R.id.control_container)).getView().getHeight();
             mBottomSheetContentController.init(
-                    mBottomSheet, controlContainerHeight, mTabModelSelector);
+                    mBottomSheet, controlContainerHeight, mTabModelSelector, this);
         }
         ((BottomContainer) findViewById(R.id.bottom_container)).initialize(mFullscreenManager);
     }

chrome/android/java/src/org/chromium/chrome/browser/SnackbarActivity.java

@@ -26,7 +26,7 @@ public abstract class SnackbarActivity extends SynchronousInitializationActivity
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
-        mSnackbarManager = new SnackbarManager(this);
+        mSnackbarManager = new SnackbarManager(this, null);
     }
 
     @Override

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkActivity.java

@@ -26,7 +26,7 @@ public class BookmarkActivity extends SnackbarActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        mBookmarkManager = new BookmarkManager(this, true);
+        mBookmarkManager = new BookmarkManager(this, true, getSnackbarManager());
         String url = getIntent().getDataString();
         if (TextUtils.isEmpty(url)) url = UrlConstants.BOOKMARKS_URL;
         mBookmarkManager.updateForUrl(url);

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkManager.java

@@ -26,7 +26,7 @@ import org.chromium.chrome.browser.bookmarks.BookmarkBridge.BookmarkModelObserve
 import org.chromium.chrome.browser.favicon.LargeIconBridge;
 import org.chromium.chrome.browser.partnerbookmarks.PartnerBookmarksShim;
 import org.chromium.chrome.browser.profiles.Profile;
-import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarManageable;
+import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.widget.selection.SelectableListLayout;
 import org.chromium.chrome.browser.widget.selection.SelectableListToolbar.SearchDelegate;
 import org.chromium.chrome.browser.widget.selection.SelectionDelegate;
@@ -121,8 +121,9 @@ public class BookmarkManager implements BookmarkDelegate, SearchDelegate {
      * bookmark models and jni bridges.
      * @param activity The activity context to use.
      * @param isDialogUi Whether the main bookmarks UI will be shown in a dialog, not a NativePage.
+     * @param snackbarManager The {@link SnackbarManager} used to display snackbars.
      */
-    public BookmarkManager(Activity activity, boolean isDialogUi) {
+    public BookmarkManager(Activity activity, boolean isDialogUi, SnackbarManager snackbarManager) {
         mActivity = activity;
         mIsDialogUi = isDialogUi;
 
@@ -159,8 +160,7 @@ public class BookmarkManager implements BookmarkDelegate, SearchDelegate {
         mToolbar.initializeSearchView(
                 this, R.string.bookmark_action_bar_search, R.id.search_menu_id);
 
-        mUndoController = new BookmarkUndoController(activity, mBookmarkModel,
-                ((SnackbarManageable) activity).getSnackbarManager());
+        mUndoController = new BookmarkUndoController(activity, mBookmarkModel, snackbarManager);
         mBookmarkModel.addObserver(mBookmarkModelObserver);
         initializeToLoadingState();
         mBookmarkModel.runAfterBookmarkModelLoaded(mModelLoadedRunnable);

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkPage.java

@@ -11,6 +11,7 @@ import org.chromium.chrome.R;
 import org.chromium.chrome.browser.BasicNativePage;
 import org.chromium.chrome.browser.NativePageHost;
 import org.chromium.chrome.browser.UrlConstants;
+import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarManageable;
 
 /**
  * A native page holding a {@link BookmarkManager} on _tablet_.
@@ -30,7 +31,8 @@ public class BookmarkPage extends BasicNativePage {
 
     @Override
     protected void initialize(Activity activity, NativePageHost host) {
-        mManager = new BookmarkManager(activity, false);
+        mManager = new BookmarkManager(
+                activity, false, ((SnackbarManageable) activity).getSnackbarManager());
         mManager.setBasicNativePage(this);
         mTitle = activity.getString(R.string.bookmarks);
     }

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java

@@ -8,6 +8,7 @@ import android.support.v7.widget.Toolbar;
 import android.view.View;
 
 import org.chromium.chrome.browser.ChromeActivity;
+import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.toolbar.BottomToolbarPhone;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet.BottomSheetContent;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheetContentController;
@@ -22,9 +23,10 @@ public class BookmarkSheetContent implements BottomSheetContent {
 
     /**
      * @param activity The activity displaying the bookmark manager UI.
+     * @param snackbarManager The {@link SnackbarManager} used to display snackbars.
      */
-    public BookmarkSheetContent(ChromeActivity activity) {
-        mBookmarkManager = new BookmarkManager(activity, false);
+    public BookmarkSheetContent(ChromeActivity activity, SnackbarManager snackbarManager) {
+        mBookmarkManager = new BookmarkManager(activity, false, snackbarManager);
         mBookmarkManager.updateForUrl(BookmarkUtils.getLastUsedUrl(activity));
         mContentView = mBookmarkManager.getView();
         mToolbarView = mBookmarkManager.detachToolbarView();

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadActivity.java

@@ -49,7 +49,8 @@ public class DownloadActivity extends SnackbarActivity {
         boolean isOffTheRecord = DownloadUtils.shouldShowOffTheRecordDownloads(getIntent());
         ComponentName parentComponent = IntentUtils.safeGetParcelableExtra(
                 getIntent(), IntentHandler.EXTRA_PARENT_COMPONENT);
-        mDownloadManagerUi = new DownloadManagerUi(this, isOffTheRecord, parentComponent, true);
+        mDownloadManagerUi = new DownloadManagerUi(
+                this, isOffTheRecord, parentComponent, true, getSnackbarManager());
         setContentView(mDownloadManagerUi.getView());
         mIsOffTheRecord = isOffTheRecord;
         mDownloadManagerUi.addObserver(mUiObserver);

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadPage.java

@@ -16,6 +16,7 @@ import org.chromium.chrome.browser.BasicNativePage;
 import org.chromium.chrome.browser.NativePageHost;
 import org.chromium.chrome.browser.UrlConstants;
 import org.chromium.chrome.browser.download.ui.DownloadManagerUi;
+import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarManageable;
 
 /**
  * Native page for managing downloads handled through Chrome.
@@ -39,8 +40,8 @@ public class DownloadPage extends BasicNativePage {
     protected void initialize(Activity activity, final NativePageHost host) {
         ThreadUtils.assertOnUiThread();
 
-        mManager = new DownloadManagerUi(
-                activity, host.isIncognito(), activity.getComponentName(), false);
+        mManager = new DownloadManagerUi(activity, host.isIncognito(), activity.getComponentName(),
+                false, ((SnackbarManageable) activity).getSnackbarManager());
         mManager.setBasicNativePage(this);
         mTitle = activity.getString(R.string.download_manager_ui_all_downloads);
 

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadSheetContent.java

@@ -14,6 +14,7 @@ import org.chromium.base.ApplicationStatus.ActivityStateListener;
 import org.chromium.base.ThreadUtils;
 import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.browser.download.ui.DownloadManagerUi;
+import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.toolbar.BottomToolbarPhone;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet.BottomSheetContent;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheetContentController;
@@ -30,12 +31,14 @@ public class DownloadSheetContent implements BottomSheetContent {
     /**
      * @param activity The activity displaying the download manager UI.
      * @param isIncognito Whether the activity is currently displaying an incognito tab.
+     * @param snackbarManager The {@link SnackbarManager} used to display snackbars.
      */
-    public DownloadSheetContent(ChromeActivity activity, final boolean isIncognito) {
+    public DownloadSheetContent(
+            ChromeActivity activity, final boolean isIncognito, SnackbarManager snackbarManager) {
         ThreadUtils.assertOnUiThread();
 
-        mDownloadManager =
-                new DownloadManagerUi(activity, isIncognito, activity.getComponentName(), false);
+        mDownloadManager = new DownloadManagerUi(
+                activity, isIncognito, activity.getComponentName(), false, snackbarManager);
         mContentView = mDownloadManager.getView();
         mToolbarView = mDownloadManager.detachToolbarView();
         ((BottomToolbarPhone) activity.getToolbarManager().getToolbar())

chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadManagerUi.java

@@ -38,7 +38,6 @@ import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.snackbar.Snackbar;
 import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarController;
-import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarManageable;
 import org.chromium.chrome.browser.widget.selection.SelectableListLayout;
 import org.chromium.chrome.browser.widget.selection.SelectableListToolbar.SearchDelegate;
 import org.chromium.chrome.browser.widget.selection.SelectionDelegate;
@@ -168,6 +167,7 @@ public class DownloadManagerUi implements OnMenuItemClickListener, SearchDelegat
     private final FilterAdapter mFilterAdapter;
     private final ObserverList<DownloadUiObserver> mObservers = new ObserverList<>();
     private final BackendProvider mBackendProvider;
+    private final SnackbarManager mSnackbarManager;
 
     private final SpaceDisplay mSpaceDisplay;
     private final ListView mFilterView;
@@ -188,13 +188,16 @@ public class DownloadManagerUi implements OnMenuItemClickListener, SearchDelegat
      * @param parentComponent The {@link ComponentName} of the parent activity.
      * @param isSeparateActivity Whether the download manager UI will be shown in a separate
      *                           activity than the main Chrome activity.
+     * @param snackbarManager The {@link SnackbarManager} used to display snackbars.
      */
     @SuppressWarnings("unchecked") // mSelectableListLayout
     public DownloadManagerUi(Activity activity, boolean isOffTheRecord,
-            ComponentName parentComponent, boolean isSeparateActivity) {
+            ComponentName parentComponent, boolean isSeparateActivity,
+            SnackbarManager snackbarManager) {
         mActivity = activity;
         mBackendProvider =
                 sProviderForTests == null ? new DownloadBackendProvider() : sProviderForTests;
+        mSnackbarManager = snackbarManager;
 
         mMainView = (ViewGroup) LayoutInflater.from(activity).inflate(R.layout.download_main, null);
 
@@ -463,7 +466,7 @@ public class DownloadManagerUi implements OnMenuItemClickListener, SearchDelegat
         snackbar.setAction(mActivity.getString(R.string.undo), itemsToDelete);
         snackbar.setTemplateText(mActivity.getString(snackbarTemplateId));
 
-        ((SnackbarManageable) mActivity).getSnackbarManager().showSnackbar(snackbar);
+        mSnackbarManager.showSnackbar(snackbar);
     }
 
     private List<DownloadHistoryItemWrapper> getItemsForDeletion() {
@@ -508,13 +511,12 @@ public class DownloadManagerUi implements OnMenuItemClickListener, SearchDelegat
     }
 
     private void dismissUndoDeletionSnackbars() {
-        ((SnackbarManageable) mActivity).getSnackbarManager().dismissSnackbars(
-                mUndoDeletionSnackbarController);
+        mSnackbarManager.dismissSnackbars(mUndoDeletionSnackbarController);
     }
 
     @VisibleForTesting
     public SnackbarManager getSnackbarManagerForTesting() {
-        return ((SnackbarManageable) mActivity).getSnackbarManager();
+        return mSnackbarManager;
     }
 
     /** Returns the {@link DownloadManagerToolbar}. */

chrome/android/java/src/org/chromium/chrome/browser/history/HistoryActivity.java

@@ -19,7 +19,7 @@ public class HistoryActivity extends SnackbarActivity {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        mHistoryManager = new HistoryManager(this, true);
+        mHistoryManager = new HistoryManager(this, true, getSnackbarManager());
         setContentView(mHistoryManager.getView());
     }
 

chrome/android/java/src/org/chromium/chrome/browser/history/HistoryManager.java

@@ -37,8 +37,8 @@ import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.signin.SigninManager;
 import org.chromium.chrome.browser.signin.SigninManager.SignInStateObserver;
 import org.chromium.chrome.browser.snackbar.Snackbar;
+import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarController;
-import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarManageable;
 import org.chromium.chrome.browser.util.IntentUtils;
 import org.chromium.chrome.browser.widget.selection.SelectableListLayout;
 import org.chromium.chrome.browser.widget.selection.SelectableListToolbar.SearchDelegate;
@@ -71,6 +71,7 @@ public class HistoryManager implements OnMenuItemClickListener, SignInStateObser
     private final HistoryManagerToolbar mToolbar;
     private final TextView mEmptyView;
     private final RecyclerView mRecyclerView;
+    private final SnackbarManager mSnackbarManager;
     private LargeIconBridge mLargeIconBridge;
 
     private boolean mIsSearching;
@@ -80,11 +81,14 @@ public class HistoryManager implements OnMenuItemClickListener, SignInStateObser
      * @param activity The Activity associated with the HistoryManager.
      * @param isSeparateActivity Whether the history UI will be shown in a separate activity than
      *                           the main Chrome activity.
+     * @param snackbarManager The {@link SnackbarManager} used to display snackbars.
      */
     @SuppressWarnings("unchecked") // mSelectableListLayout
-    public HistoryManager(Activity activity, boolean isSeparateActivity) {
+    public HistoryManager(
+            Activity activity, boolean isSeparateActivity, SnackbarManager snackbarManager) {
         mActivity = activity;
         mIsSeparateActivity = isSeparateActivity;
+        mSnackbarManager = snackbarManager;
 
         mSelectionDelegate = new SelectionDelegate<>();
         mSelectionDelegate.addObserver(this);
@@ -186,7 +190,7 @@ public class HistoryManager implements OnMenuItemClickListener, SignInStateObser
             mSelectionDelegate.clearSelection();
             Snackbar snackbar = Snackbar.make(mActivity.getString(R.string.copied), this,
                     Snackbar.TYPE_NOTIFICATION, Snackbar.UMA_HISTORY_LINK_COPIED);
-            ((SnackbarManageable) mActivity).getSnackbarManager().showSnackbar(snackbar);
+            mSnackbarManager.showSnackbar(snackbar);
             return true;
         } else if (item.getItemId() == R.id.selection_mode_open_in_incognito) {
             openItemsInNewTabs(mSelectionDelegate.getSelectedItems(), true);

chrome/android/java/src/org/chromium/chrome/browser/history/HistoryPage.java

@@ -11,6 +11,7 @@ import org.chromium.chrome.R;
 import org.chromium.chrome.browser.BasicNativePage;
 import org.chromium.chrome.browser.NativePageHost;
 import org.chromium.chrome.browser.UrlConstants;
+import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarManageable;
 
 /**
  * Native page for managing browsing history.
@@ -31,7 +32,8 @@ public class HistoryPage extends BasicNativePage {
 
     @Override
     protected void initialize(Activity activity, final NativePageHost host) {
-        mHistoryManager = new HistoryManager(activity, false);
+        mHistoryManager = new HistoryManager(
+                activity, false, ((SnackbarManageable) activity).getSnackbarManager());
         mTitle = activity.getString(R.string.menu_history);
     }
 

chrome/android/java/src/org/chromium/chrome/browser/history/HistorySheetContent.java

@@ -8,6 +8,7 @@ import android.support.v7.widget.Toolbar;
 import android.view.View;
 
 import org.chromium.chrome.browser.ChromeActivity;
+import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.toolbar.BottomToolbarPhone;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet.BottomSheetContent;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheetContentController;
@@ -22,9 +23,10 @@ public class HistorySheetContent implements BottomSheetContent {
 
     /**
      * @param activity The activity displaying the history manager UI.
+     * @param snackbarManager The {@link SnackbarManager} used to display snackbars.
      */
-    public HistorySheetContent(ChromeActivity activity) {
-        mHistoryManager = new HistoryManager(activity, false);
+    public HistorySheetContent(ChromeActivity activity, SnackbarManager snackbarManager) {
+        mHistoryManager = new HistoryManager(activity, false, snackbarManager);
         mContentView = mHistoryManager.getView();
         mToolbarView = mHistoryManager.detachToolbarView();
         ((BottomToolbarPhone) activity.getToolbarManager().getToolbar())

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPage.java

@@ -255,7 +255,8 @@ public class NewTabPage
         private NewTabPageTileGroupDelegate(ChromeActivity activity, Profile profile,
                 TabModelSelector tabModelSelector,
                 SuggestionsNavigationDelegate navigationDelegate) {
-            super(activity, profile, tabModelSelector, navigationDelegate);
+            super(activity, profile, tabModelSelector, navigationDelegate,
+                    activity.getSnackbarManager());
         }
 
         @Override

chrome/android/java/src/org/chromium/chrome/browser/searchwidget/SearchActivity.java

@@ -115,7 +115,7 @@ public class SearchActivity extends AsyncInitializationActivity
         initializeDimensions();
 
         mWindowAndroid = new ActivityWindowAndroid(this);
-        mSnackbarManager = new SnackbarManager(this);
+        mSnackbarManager = new SnackbarManager(this, null);
         mSearchBoxDataProvider = new SearchBoxDataProvider();
 
         mContentView = createContentView(mSearchBox);

chrome/android/java/src/org/chromium/chrome/browser/snackbar/SnackbarManager.java

@@ -6,6 +6,7 @@ package org.chromium.chrome.browser.snackbar;
 
 import android.app.Activity;
 import android.os.Handler;
+import android.support.annotation.Nullable;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
@@ -68,6 +69,7 @@ public class SnackbarManager implements OnClickListener {
     private SnackbarCollection mSnackbars = new SnackbarCollection();
     private boolean mActivityInForeground;
     private boolean mIsDisabledForTesting;
+    private ViewGroup mSnackbarParentView;
     private final Runnable mHideRunnable = new Runnable() {
         @Override
         public void run() {
@@ -79,10 +81,13 @@ public class SnackbarManager implements OnClickListener {
     /**
      * Constructs a SnackbarManager to show snackbars in the given window.
      * @param activity The embedding activity.
+     * @param snackbarParentView The ViewGroup used to display snackbars. If this is null, the
+     *                           {@link SnackbarView} will determine where to attach the snackbar.
      */
-    public SnackbarManager(Activity activity) {
+    public SnackbarManager(Activity activity, @Nullable ViewGroup snackbarParentView) {
         mActivity = activity;
         mUIThreadHandler = new Handler();
+        mSnackbarParentView = snackbarParentView;
     }
 
     /**
@@ -114,6 +119,14 @@ public class SnackbarManager implements OnClickListener {
         mView.announceforAccessibility();
     }
 
+    /** Dismisses all snackbars. */
+    public void dismissAllSnackbars() {
+        if (mSnackbars.isEmpty()) return;
+
+        mSnackbars.clear();
+        updateView();
+    }
+
     /**
      * Dismisses snackbars that are associated with the given {@link SnackbarController}.
      *
@@ -182,7 +195,7 @@ public class SnackbarManager implements OnClickListener {
         } else {
             boolean viewChanged = true;
             if (mView == null) {
-                mView = new SnackbarView(mActivity, this, currentSnackbar);
+                mView = new SnackbarView(mActivity, this, currentSnackbar, mSnackbarParentView);
                 mView.show();
             } else {
                 viewChanged = mView.update(currentSnackbar);

chrome/android/java/src/org/chromium/chrome/browser/snackbar/SnackbarView.java

@@ -12,6 +12,7 @@ import android.app.Activity;
 import android.graphics.Bitmap;
 import android.graphics.Rect;
 import android.graphics.drawable.GradientDrawable;
+import android.support.annotation.Nullable;
 import android.view.LayoutInflater;
 import android.view.SurfaceView;
 import android.view.View;
@@ -46,6 +47,7 @@ class SnackbarView {
     private ViewGroup mOriginalParent;
     private ViewGroup mParent;
     private Snackbar mSnackbar;
+    private boolean mAnimateOverWebContent;
 
     // Variables used to calculate the virtual keyboard's height.
     private Rect mCurrentVisibleRect = new Rect();
@@ -65,11 +67,21 @@ class SnackbarView {
      * @param listener An {@link OnClickListener} that will be called when the action button is
      *                 clicked.
      * @param snackbar The snackbar to be displayed.
+     * @param parentView The ViewGroup used to display this snackbar. If this is null, this class
+     *                   will determine where to attach the snackbar.
      */
-    SnackbarView(Activity activity, OnClickListener listener, Snackbar snackbar) {
+    SnackbarView(Activity activity, OnClickListener listener, Snackbar snackbar,
+            @Nullable ViewGroup parentView) {
         mActivity = activity;
         mIsTablet = DeviceFormFactor.isTablet(activity);
-        mOriginalParent = findParentView(activity);
+
+        if (parentView == null) {
+            mOriginalParent = findParentView(activity);
+            if (activity instanceof ChromeActivity) mAnimateOverWebContent = true;
+        } else {
+            mOriginalParent = parentView;
+        }
+
         mParent = mOriginalParent;
         mView = (ViewGroup) LayoutInflater.from(activity).inflate(
                 R.layout.snackbar, mParent, false);
@@ -248,7 +260,7 @@ class SnackbarView {
      * in the normal way.
      */
     private void startAnimatorOnSurfaceView(Animator animator) {
-        if (mActivity instanceof ChromeActivity) {
+        if (mAnimateOverWebContent) {
             ((ChromeActivity) mActivity).getWindowAndroid().startAnimationOverContent(animator);
         } else {
             animator.start();

chrome/android/java/src/org/chromium/chrome/browser/suggestions/SuggestionsBottomSheetContent.java

@@ -22,6 +22,7 @@ import org.chromium.chrome.browser.ntp.snippets.SuggestionsSource;
 import org.chromium.chrome.browser.offlinepages.OfflinePageBridge;
 import org.chromium.chrome.browser.omnibox.LocationBar;
 import org.chromium.chrome.browser.profiles.Profile;
+import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.tabmodel.TabModelSelector;
 import org.chromium.chrome.browser.widget.FadingShadow;
 import org.chromium.chrome.browser.widget.FadingShadowView;
@@ -48,12 +49,12 @@ public class SuggestionsBottomSheetContent implements BottomSheet.BottomSheetCon
     private final TileGroup.Delegate mTileGroupDelegate;
 
     public SuggestionsBottomSheetContent(final ChromeActivity activity, final BottomSheet sheet,
-            TabModelSelector tabModelSelector) {
+            TabModelSelector tabModelSelector, SnackbarManager snackbarManager) {
         Profile profile = Profile.getLastUsedProfile();
         SuggestionsNavigationDelegate navigationDelegate =
                 new SuggestionsNavigationDelegateImpl(activity, profile, sheet, tabModelSelector);
-        mTileGroupDelegate =
-                new TileGroupDelegateImpl(activity, profile, tabModelSelector, navigationDelegate);
+        mTileGroupDelegate = new TileGroupDelegateImpl(
+                activity, profile, tabModelSelector, navigationDelegate, snackbarManager);
         mSuggestionsManager = createSuggestionsDelegate(profile, navigationDelegate, sheet);
 
         mView = LayoutInflater.from(activity).inflate(

chrome/android/java/src/org/chromium/chrome/browser/suggestions/TileGroupDelegateImpl.java

@@ -45,9 +45,10 @@ public class TileGroupDelegateImpl implements TileGroup.Delegate {
     private SnackbarController mTileRemovedSnackbarController;
 
     public TileGroupDelegateImpl(ChromeActivity activity, Profile profile,
-            TabModelSelector tabModelSelector, SuggestionsNavigationDelegate navigationDelegate) {
+            TabModelSelector tabModelSelector, SuggestionsNavigationDelegate navigationDelegate,
+            SnackbarManager snackbarManager) {
         mContext = activity;
-        mSnackbarManager = activity.getSnackbarManager();
+        mSnackbarManager = snackbarManager;
         mTabModelSelector = tabModelSelector;
         mNavigationDelegate = navigationDelegate;
         mMostVisitedSites = buildMostVisitedSites(profile);

chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheetContentController.java

@@ -4,6 +4,7 @@
 
 package org.chromium.chrome.browser.widget.bottomsheet;
 
+import android.app.Activity;
 import android.content.Context;
 import android.content.res.Resources;
 import android.support.annotation.IntDef;
@@ -14,12 +15,17 @@ import android.support.design.widget.BottomNavigationView.OnNavigationItemSelect
 import android.util.AttributeSet;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.ViewGroup;
 
+import org.chromium.base.ActivityState;
+import org.chromium.base.ApplicationStatus;
+import org.chromium.base.ApplicationStatus.ActivityStateListener;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.bookmarks.BookmarkSheetContent;
 import org.chromium.chrome.browser.download.DownloadSheetContent;
 import org.chromium.chrome.browser.history.HistorySheetContent;
+import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.suggestions.SuggestionsBottomSheetContent;
 import org.chromium.chrome.browser.tabmodel.TabModelSelector;
 import org.chromium.chrome.browser.util.MathUtils;
@@ -57,6 +63,8 @@ public class BottomSheetContentController extends BottomNavigationView
                     + mDistanceBelowToolbarPx;
             setTranslationY((int) Math.max(offsetY, 0f));
             setVisibility(MathUtils.areFloatsEqual(heightFraction, 0f) ? View.GONE : View.VISIBLE);
+
+            mSnackbarManager.dismissAllSnackbars();
         }
 
         @Override
@@ -88,6 +96,7 @@ public class BottomSheetContentController extends BottomNavigationView
 
     private BottomSheet mBottomSheet;
     private TabModelSelector mTabModelSelector;
+    private SnackbarManager mSnackbarManager;
     private float mDistanceBelowToolbarPx;
     private int mSelectedItemId;
     private boolean mDefaultContentInitialized;
@@ -101,9 +110,10 @@ public class BottomSheetContentController extends BottomNavigationView
      * @param bottomSheet The {@link BottomSheet} associated with this bottom nav.
      * @param controlContainerHeight The height of the control container in px.
      * @param tabModelSelector The {@link TabModelSelector} for the application.
+     * @param activity The {@link Activity} that owns the BottomSheet.
      */
     public void init(BottomSheet bottomSheet, int controlContainerHeight,
-            TabModelSelector tabModelSelector) {
+            TabModelSelector tabModelSelector, Activity activity) {
         mBottomSheet = bottomSheet;
         mBottomSheet.addObserver(mBottomSheetObserver);
         mTabModelSelector = tabModelSelector;
@@ -114,6 +124,18 @@ public class BottomSheetContentController extends BottomNavigationView
 
         setOnNavigationItemSelectedListener(this);
         disableShiftingMode();
+
+        mSnackbarManager = new SnackbarManager(
+                activity, (ViewGroup) activity.findViewById(R.id.bottom_sheet_snackbar_container));
+        mSnackbarManager.onStart();
+
+        ApplicationStatus.registerStateListenerForActivity(new ActivityStateListener() {
+            @Override
+            public void onActivityStateChange(Activity activity, int newState) {
+                if (newState == ActivityState.STARTED) mSnackbarManager.onStart();
+                if (newState == ActivityState.STOPPED) mSnackbarManager.onStop();
+            }
+        }, activity);
     }
 
     /**
@@ -129,6 +151,7 @@ public class BottomSheetContentController extends BottomNavigationView
     public boolean onNavigationItemSelected(MenuItem item) {
         if (mSelectedItemId == item.getItemId()) return false;
 
+        mSnackbarManager.dismissAllSnackbars();
         showBottomSheetContent(item.getItemId());
         return true;
     }
@@ -161,14 +184,16 @@ public class BottomSheetContentController extends BottomNavigationView
         if (navItemId == R.id.action_home) {
             content = new SuggestionsBottomSheetContent(
                     mTabModelSelector.getCurrentTab().getActivity(), mBottomSheet,
-                    mTabModelSelector);
+                    mTabModelSelector, mSnackbarManager);
         } else if (navItemId == R.id.action_downloads) {
             content = new DownloadSheetContent(mTabModelSelector.getCurrentTab().getActivity(),
-                    mTabModelSelector.getCurrentModel().isIncognito());
+                    mTabModelSelector.getCurrentModel().isIncognito(), mSnackbarManager);
         } else if (navItemId == R.id.action_bookmarks) {
-            content = new BookmarkSheetContent(mTabModelSelector.getCurrentTab().getActivity());
+            content = new BookmarkSheetContent(
+                    mTabModelSelector.getCurrentTab().getActivity(), mSnackbarManager);
         } else if (navItemId == R.id.action_history) {
-            content = new HistorySheetContent(mTabModelSelector.getCurrentTab().getActivity());
+            content = new HistorySheetContent(
+                    mTabModelSelector.getCurrentTab().getActivity(), mSnackbarManager);
         }
         mBottomSheetContents.put(navItemId, content);
         return content;