Added security icon for ephemeral tab

This CL adds :
1 - Security icon and URL for the preview page
2 - Updates title of the page when navigated to another page

Bug: 1007499
Change-Id: I069e57e545907b2000eaebe996392d72da40d6b9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1844341Reviewed-by: Shakti Sahu <shaktisahu@chromium.org>
Reviewed-by: Theresa  <twellington@chromium.org>
Reviewed-by: Donn Denman <donnd@chromium.org>
Reviewed-by: Jinsuk Kim <jinsukkim@chromium.org>
Reviewed-by: Christopher Thompson <cthomp@chromium.org>
Commit-Queue: Shakti Sahu <shaktisahu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705130}

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

@@ -7,14 +7,14 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    android:paddingBottom="30dp"
     android:layout_width="match_parent"
-    android:layout_height="86dp">
+    android:layout_height="100dp"
+    android:paddingBottom="30dp">
 
     <LinearLayout
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
-        android:layout_height="@dimen/toolbar_height_no_shadow"
+        android:layout_height="@dimen/preview_tab_toolbar_height"
         android:orientation="vertical">
 
         <View
@@ -23,16 +23,16 @@
 
         <RelativeLayout
             android:layout_width="match_parent"
-            android:layout_height="48dp"
+            android:layout_height="62dp"
             android:orientation="horizontal">
 
             <org.chromium.ui.widget.ChromeImageView
                 android:id="@+id/favicon"
                 android:layout_width="48dp"
                 android:layout_height="48dp"
-                android:layout_centerVertical="true"
                 android:layout_marginStart="8dp"
                 android:layout_marginEnd="8dp"
+                android:layout_marginTop="12dp"
                 android:padding="12dp"
                 android:src="@drawable/ic_chrome"
                 app:tint="@color/default_icon_color_blue"
@@ -57,19 +57,41 @@
                 android:layout_centerVertical="true"
                 android:padding="12dp"
                 android:src="@drawable/open_in_new_tab"
-                app:tint="@color/default_icon_color"
-                tools:ignore="ContentDescription" />
+                android:contentDescription="@string/contextmenu_open_in_new_tab"
+                app:tint="@color/default_icon_color" />
 
             <TextView
                 android:id="@+id/ephemeral_tab_text"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_marginTop="12dp"
+                android:layout_marginTop="16dp"
                 android:layout_toStartOf="@id/open_in_new_tab"
                 android:layout_toEndOf="@id/favicon"
                 android:ellipsize="end"
                 android:singleLine="true"
-                android:textAppearance="@style/TextAppearance.BlackTitle1" />
+                android:textAppearance="@style/TextAppearance.BlackBodyDefault" />
+
+            <org.chromium.ui.widget.ChromeImageView
+                android:id="@+id/security_icon"
+                android:layout_width="16dp"
+                android:layout_height="16dp"
+                android:layout_below="@id/ephemeral_tab_text"
+                android:layout_toEndOf="@id/favicon"
+                android:layout_marginTop="4dp"
+                app:tint="@color/default_icon_color" />
+
+            <TextView
+                android:id="@+id/ephemeral_tab_caption"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_toStartOf="@id/open_in_new_tab"
+                android:layout_toEndOf="@id/security_icon"
+                android:layout_below="@id/ephemeral_tab_text"
+                android:layout_marginLeft="4dp"
+                android:ellipsize="start"
+                android:singleLine="true"
+                android:textAppearance="@style/TextAppearance.BlackHint2" />
+
         </RelativeLayout>
 
         <View
@@ -90,6 +112,6 @@
         android:id="@+id/shadow"
         android:layout_width="match_parent"
         android:layout_height="@dimen/action_bar_shadow_height"
-        android:layout_marginTop="@dimen/toolbar_height_no_shadow"/>
+        android:layout_marginTop="@dimen/preview_tab_toolbar_height"/>
 
 </FrameLayout>

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

@@ -136,6 +136,9 @@
     <!-- Overlay panel dimensions -->
     <dimen name="overlay_panel_bar_height_legacy">56dp</dimen>
     <dimen name="overlay_panel_bar_height">70dp</dimen>
+
+    <!-- Preview tab dimensions -->
+    <dimen name="preview_tab_toolbar_height">70dp</dimen>
     <dimen name="preview_tab_favicon_size">24dp</dimen>
 
     <!-- Autofill keyboard accessory dimensions -->

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayContentDelegate.java

@@ -59,6 +59,12 @@ public class OverlayContentDelegate {
      */
     public void onVisibilityChanged(boolean isVisible) {}
 
+    /**
+     * Called when the SSL state changes.
+     */
+
+    public void onSSLStateUpdated() {}
+
     /**
      * Called once the WebContents has been seen.
      */

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelContent.java

@@ -196,6 +196,11 @@ public class OverlayPanelContent {
                 mProgressObserver.onProgressBarUpdated(progress);
             }
 
+            @Override
+            public void visibleSSLStateChanged() {
+                mContentDelegate.onSSLStateUpdated();
+            }
+
             @Override
             public void enterFullscreenModeForTab(boolean prefersNavigationBar) {
                 mIsFullscreen = true;

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/ephemeraltab/EphemeralTabCoordinator.java

@@ -7,6 +7,8 @@ package org.chromium.chrome.browser.compositor.bottombar.ephemeraltab;
 import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.os.Handler;
+import android.support.annotation.DrawableRes;
+import android.text.TextUtils;
 
 import org.chromium.base.Callback;
 import org.chromium.chrome.R;
@@ -17,18 +19,19 @@ import org.chromium.chrome.browser.compositor.bottombar.OverlayPanelContent;
 import org.chromium.chrome.browser.favicon.FaviconHelper;
 import org.chromium.chrome.browser.favicon.FaviconUtils;
 import org.chromium.chrome.browser.profiles.Profile;
+import org.chromium.chrome.browser.ssl.SecurityStateModel;
 import org.chromium.chrome.browser.tabmodel.TabLaunchType;
 import org.chromium.chrome.browser.ui.widget.RoundedIconGenerator;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheetController;
 import org.chromium.chrome.browser.widget.bottomsheet.EmptyBottomSheetObserver;
 import org.chromium.components.embedder_support.view.ContentView;
+import org.chromium.components.security_state.ConnectionSecurityLevel;
 import org.chromium.content_public.browser.LoadUrlParams;
+import org.chromium.content_public.browser.NavigationHandle;
+import org.chromium.content_public.browser.WebContentsObserver;
 import org.chromium.ui.base.PageTransition;
 
-import java.net.MalformedURLException;
-import java.net.URL;
-
 /**
  * Central class for ephemeral tab, responsible for spinning off other classes necessary to display
  * the preview tab UI.
@@ -42,6 +45,7 @@ public class EphemeralTabCoordinator {
     private final BottomSheetController mBottomSheetController;
     private final FaviconLoader mFaviconLoader;
     private OverlayPanelContent mPanelContent;
+    private WebContentsObserver mWebContentsObserver;
     private EphemeralTabSheetContent mSheetContent;
     private boolean mIsIncognito;
     private String mUrl;
@@ -81,9 +85,10 @@ public class EphemeralTabCoordinator {
 
         getContent().loadUrl(url, true);
         getContent().updateBrowserControlsState(true);
+        if (mWebContentsObserver == null) mWebContentsObserver = createWebContentsObserver();
         mSheetContent.attachWebContents(
                 getContent().getWebContents(), (ContentView) getContent().getContainerView());
-        mSheetContent.setTitleText(title);
+        mSheetContent.updateTitle(title);
         mBottomSheetController.requestShowContent(mSheetContent, true);
 
         // TODO(donnd): Collect UMA with OverlayPanel.StateChangeReason.CLICK.
@@ -109,6 +114,11 @@ public class EphemeralTabCoordinator {
             mPanelContent.destroy();
             mPanelContent = null;
         }
+
+        if (mWebContentsObserver != null) {
+            mWebContentsObserver.destroy();
+            mWebContentsObserver = null;
+        }
     }
 
     private void openInNewTab() {
@@ -136,6 +146,40 @@ public class EphemeralTabCoordinator {
         mSheetContent.startFaviconAnimation(drawable);
     }
 
+    private WebContentsObserver createWebContentsObserver() {
+        return new WebContentsObserver(mPanelContent.getWebContents()) {
+            @Override
+            public void titleWasSet(String title) {
+                mSheetContent.updateTitle(title);
+            }
+
+            @Override
+            public void didFinishNavigation(NavigationHandle navigation) {
+                if (navigation.hasCommitted() && navigation.isInMainFrame()) {
+                    mSheetContent.updateURL(mPanelContent.getWebContents().getVisibleUrl());
+                }
+            }
+        };
+    }
+
+    @DrawableRes
+    private static int getSecurityIconResource(@ConnectionSecurityLevel int securityLevel) {
+        switch (securityLevel) {
+            case ConnectionSecurityLevel.NONE:
+            case ConnectionSecurityLevel.WARNING:
+                return R.drawable.omnibox_info;
+            case ConnectionSecurityLevel.DANGEROUS:
+                return R.drawable.omnibox_https_invalid;
+            case ConnectionSecurityLevel.SECURE_WITH_POLICY_INSTALLED_CERT:
+            case ConnectionSecurityLevel.SECURE:
+            case ConnectionSecurityLevel.EV_SECURE:
+                return R.drawable.omnibox_https_valid;
+            default:
+                assert false;
+        }
+        return 0;
+    }
+
     /**
      * Observes the ephemeral tab web contents and loads the associated favicon.
      */
@@ -144,16 +188,18 @@ public class EphemeralTabCoordinator {
 
         @Override
         public void onMainFrameLoadStarted(String url, boolean isExternalUrl) {
-            try {
-                String newHost = new URL(url).getHost();
-                String curHost = mCurrentUrl == null ? null : new URL(mCurrentUrl).getHost();
-                if (!newHost.equals(curHost)) {
+            if (TextUtils.equals(mCurrentUrl, url)) return;
+
             mCurrentUrl = url;
             mFaviconLoader.loadFavicon(url, (drawable) -> onFaviconAvailable(drawable));
         }
-            } catch (MalformedURLException e) {
-                assert false : "Malformed URL should not be passed.";
-            }
+
+        @Override
+        public void onSSLStateUpdated() {
+            int securityLevel = SecurityStateModel.getSecurityLevelForWebContents(
+                    mPanelContent.getWebContents());
+            mSheetContent.setSecurityIcon(getSecurityIconResource(securityLevel));
+            mSheetContent.updateURL(mPanelContent.getWebContents().getVisibleUrl());
         }
     }
 

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/ephemeraltab/EphemeralTabSheetContent.java

@@ -7,6 +7,7 @@ package org.chromium.chrome.browser.compositor.bottombar.ephemeraltab;
 import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.TransitionDrawable;
+import android.support.annotation.DrawableRes;
 import android.support.annotation.Nullable;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -24,6 +25,7 @@ import org.chromium.chrome.browser.ui.widget.FadingShadow;
 import org.chromium.chrome.browser.ui.widget.FadingShadowView;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet;
 import org.chromium.components.embedder_support.view.ContentView;
+import org.chromium.components.url_formatter.UrlFormatter;
 import org.chromium.content_public.browser.RenderCoordinates;
 import org.chromium.content_public.browser.WebContents;
 import org.chromium.ui.base.ActivityWindowAndroid;
@@ -87,7 +89,7 @@ public class EphemeralTabSheetContent implements BottomSheet.BottomSheetContent
         mSheetContentView.addView(mThinWebView.getView());
 
         int topPadding =
-                mContext.getResources().getDimensionPixelSize(R.dimen.toolbar_height_no_shadow);
+                mContext.getResources().getDimensionPixelSize(R.dimen.preview_tab_toolbar_height);
         mSheetContentView.setPadding(0, topPadding, 0, 0);
     }
 
@@ -127,9 +129,21 @@ public class EphemeralTabSheetContent implements BottomSheet.BottomSheetContent
     }
 
     /** Sets the ephemeral tab title text. */
-    public void setTitleText(String text) {
+    public void updateTitle(String title) {
         TextView toolbarText = mToolbarView.findViewById(R.id.ephemeral_tab_text);
-        toolbarText.setText(text);
+        toolbarText.setText(title);
+    }
+
+    /** Sets the ephemeral tab URL. */
+    public void updateURL(String url) {
+        TextView caption = mToolbarView.findViewById(R.id.ephemeral_tab_caption);
+        caption.setText(UrlFormatter.formatUrlForSecurityDisplayOmitScheme(url));
+    }
+
+    /** Sets the security icon. */
+    public void setSecurityIcon(@DrawableRes int resId) {
+        ImageView securityIcon = mToolbarView.findViewById(R.id.security_icon);
+        securityIcon.setImageResource(resId);
     }
 
     /** Sets the progress percentage on the progress bar. */