[ShareCCT] Implement sharing in the toolbar and by default in CCT.

Bug: 1135311
Change-Id: I967300591d383a21b9f3f40233422b763180ddb0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2459403Reviewed-by: Tanya Gupta <tgupta@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Peter Conn <peconn@chromium.org>
Commit-Queue: Sophey Dong <sophey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#820029}

chrome/android/BUILD.gn

@@ -954,6 +954,7 @@ android_library("chrome_test_util_java") {
     "//base:base_java",
     "//base:base_java_test_support",
     "//chrome/android:chrome_java",
+    "//chrome/browser/flags:java",
     "//chrome/browser/tab:java",
     "//chrome/browser/ui/android/appmenu:java",
     "//chrome/test/android:chrome_java_test_support",

chrome/android/chrome_java_sources.gni

@@ -462,6 +462,7 @@ chrome_java_sources = [
   "java/src/org/chromium/chrome/browser/customtabs/CustomTabsClientFileProcessor.java",
   "java/src/org/chromium/chrome/browser/customtabs/CustomTabsConnection.java",
   "java/src/org/chromium/chrome/browser/customtabs/CustomTabsConnectionServiceImpl.java",
+  "java/src/org/chromium/chrome/browser/customtabs/CustomTabsShareBroadcastReceiver.java",
   "java/src/org/chromium/chrome/browser/customtabs/FirstMeaningfulPaintObserver.java",
   "java/src/org/chromium/chrome/browser/customtabs/HiddenTabHolder.java",
   "java/src/org/chromium/chrome/browser/customtabs/IncognitoCustomTabIntentDataProvider.java",

chrome/android/expectations/monochrome_public_bundle.AndroidManifest.expected

@@ -924,6 +924,10 @@
         android:exported="false"
         android:name="org.chromium.chrome.browser.browserservices.ui.trustedwebactivity.DisclosureAcceptanceBroadcastReceiver">
     </receiver>  # DIFF-ANCHOR: a31e6ce5
+    <receiver  # DIFF-ANCHOR: 779ee86b
+        android:exported="false"
+        android:name="org.chromium.chrome.browser.customtabs.CustomTabsShareBroadcastReceiver">
+    </receiver>  # DIFF-ANCHOR: 779ee86b
     <receiver  # DIFF-ANCHOR: bccc7d87
         android:exported="false"
         android:name="org.chromium.chrome.browser.locale.LocaleChangedBroadcastReceiver">

chrome/android/expectations/trichrome_chrome_bundle.AndroidManifest.expected

@@ -862,6 +862,10 @@
         android:exported="false"
         android:name="org.chromium.chrome.browser.browserservices.ui.trustedwebactivity.DisclosureAcceptanceBroadcastReceiver">
     </receiver>  # DIFF-ANCHOR: a31e6ce5
+    <receiver  # DIFF-ANCHOR: 779ee86b
+        android:exported="false"
+        android:name="org.chromium.chrome.browser.customtabs.CustomTabsShareBroadcastReceiver">
+    </receiver>  # DIFF-ANCHOR: 779ee86b
     <receiver  # DIFF-ANCHOR: bccc7d87
         android:exported="false"
         android:name="org.chromium.chrome.browser.locale.LocaleChangedBroadcastReceiver">

chrome/android/java/AndroidManifest.xml

@@ -1105,6 +1105,9 @@ by a child template that "extends" this file.
         <receiver android:name="org.chromium.chrome.browser.app.send_tab_to_self.SendTabToSelfNotificationReceiver"
             android:exported="false"/>
 
+        <receiver android:name="org.chromium.chrome.browser.customtabs.CustomTabsShareBroadcastReceiver"
+            android:exported="false"/>
+
         <receiver android:name="org.chromium.chrome.browser.sharing.click_to_call.ClickToCallMessageHandler$TapReceiver"
             android:exported="false"/>
         <receiver android:name="org.chromium.chrome.browser.sharing.shared_clipboard.SharedClipboardMessageHandler$TapReceiver"

chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomButtonParams.java

@@ -28,7 +28,9 @@ import androidx.browser.customtabs.CustomTabsIntent;
 import org.chromium.base.IntentUtils;
 import org.chromium.base.Log;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.toolbar.ToolbarColors;
 import org.chromium.components.browser_ui.widget.TintedDrawable;
+import org.chromium.ui.util.ColorUtils;
 import org.chromium.ui.widget.Toast;
 
 import java.util.ArrayList;
@@ -237,6 +239,26 @@ public class CustomButtonParams {
         return new CustomButtonParams(id, bitmap, description, pendingIntent, tinted, onToolbar);
     }
 
+    /**
+     * Creates and returns a {@link CustomButtonParams} for a share button in the toolbar.
+     */
+    static CustomButtonParams createShareButton(Context context, int backgroundColor) {
+        int id = CustomTabsIntent.TOOLBAR_ACTION_BUTTON_ID;
+        String description = context.getResources().getString(R.string.share);
+        Intent shareIntent = new Intent(context, CustomTabsShareBroadcastReceiver.class);
+        PendingIntent pendingIntent = PendingIntent.getBroadcast(
+                context, 0, shareIntent, PendingIntent.FLAG_UPDATE_CURRENT);
+
+        TintedDrawable drawable =
+                TintedDrawable.constructTintedDrawable(context, R.drawable.ic_share_white_24dp);
+        boolean useLightTint = ColorUtils.shouldUseLightForegroundOnBackground(backgroundColor);
+        drawable.setTint(ToolbarColors.getThemedToolbarIconTint(context, useLightTint));
+        Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();
+
+        return new CustomButtonParams(
+                id, bitmap, description, pendingIntent, /*tinted=*/true, /*onToolbar=*/true);
+    }
+
     /**
      * @return The bitmap contained in the given {@link Bundle}. Will return null if input is
      *         invalid.

chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java

@@ -44,6 +44,7 @@ import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.app.ChromeActivity;
 import org.chromium.chrome.browser.browserservices.BrowserServicesIntentDataProvider;
 import org.chromium.chrome.browser.flags.ActivityType;
+import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.browser.version.ChromeVersionInfo;
 import org.chromium.components.browser_ui.styles.ChromeColors;
 import org.chromium.components.browser_ui.widget.TintedDrawable;
@@ -192,7 +193,7 @@ public class CustomTabIntentDataProvider extends BrowserServicesIntentDataProvid
     private List<CustomButtonParams> mCustomButtonParams;
     private Drawable mCloseButtonIcon;
     private List<Pair<String, PendingIntent>> mMenuEntries = new ArrayList<>();
-    private boolean mShowShareItem;
+    private boolean mShowShareItemInMenu;
     private List<CustomButtonParams> mToolbarButtons = new ArrayList<>(1);
     private List<CustomButtonParams> mBottombarButtons = new ArrayList<>(2);
     private RemoteViews mRemoteViews;
@@ -303,8 +304,8 @@ public class CustomTabIntentDataProvider extends BrowserServicesIntentDataProvid
 
         List<Bundle> menuItems =
                 IntentUtils.getParcelableArrayListExtra(intent, CustomTabsIntent.EXTRA_MENU_ITEMS);
-
         updateExtraMenuItems(menuItems);
+        addShareOption(intent, context);
 
         mActivityType = IntentUtils.safeGetBooleanExtra(
                                 intent, TrustedWebUtils.EXTRA_LAUNCH_AS_TRUSTED_WEB_ACTIVITY, false)
@@ -315,9 +316,6 @@ public class CustomTabIntentDataProvider extends BrowserServicesIntentDataProvid
         mTrustedWebActivityDisplayMode = resolveTwaDisplayMode();
         mTitleVisibilityState = IntentUtils.safeGetIntExtra(
                 intent, CustomTabsIntent.EXTRA_TITLE_VISIBILITY_STATE, CustomTabsIntent.NO_TITLE);
-        mShowShareItem = IntentUtils.safeGetBooleanExtra(intent,
-                CustomTabsIntent.EXTRA_DEFAULT_SHARE_MENU_ITEM,
-                mIsOpenedByChrome && mUiType == CustomTabsUiType.DEFAULT);
         mRemoteViews =
                 IntentUtils.safeGetParcelableExtra(intent, CustomTabsIntent.EXTRA_REMOTEVIEWS);
         mClickableViewIds = IntentUtils.safeGetIntArrayExtra(
@@ -454,6 +452,39 @@ public class CustomTabIntentDataProvider extends BrowserServicesIntentDataProvid
         return MAX_CUSTOM_TOOLBAR_ITEMS;
     }
 
+    /**
+     * Adds a share option to the custom tab according to the {@link
+     * CustomTabsIntent#EXTRA_SHARE_STATE} stored in the intent.
+     *
+     * <p>Shows share options according to the following rules:
+     *
+     * <ul>
+     *   <li>If {@link CustomTabsIntent#SHARE_STATE_ON} or
+     *   {@link CustomTabsIntent#SHARE_STATE_DEFAULT}, add to the top toolbar if empty, otherwise
+     *   add to the overflow menu if it is not customized.
+     *   <li>If {@link CustomTabsIntent#SHARE_STATE_OFF}, add to the overflow menu depending on
+     *   {@link CustomTabsIntent#EXTRA_DEFAULT_SHARE_MENU_ITEM}.
+     * </ul>
+     */
+    private void addShareOption(Intent intent, Context context) {
+        int shareState = IntentUtils.safeGetIntExtra(
+                intent, CustomTabsIntent.EXTRA_SHARE_STATE, CustomTabsIntent.SHARE_STATE_DEFAULT);
+        if (shareState == CustomTabsIntent.SHARE_STATE_ON
+                || (shareState == CustomTabsIntent.SHARE_STATE_DEFAULT
+                        && ChromeFeatureList.isEnabled(
+                                ChromeFeatureList.SHARE_BY_DEFAULT_IN_CCT))) {
+            if (mToolbarButtons.isEmpty()) {
+                mToolbarButtons.add(CustomButtonParams.createShareButton(context, mToolbarColor));
+            } else if (mMenuEntries.isEmpty()) {
+                mShowShareItemInMenu = true;
+            }
+        } else {
+            mShowShareItemInMenu = IntentUtils.safeGetBooleanExtra(intent,
+                    CustomTabsIntent.EXTRA_DEFAULT_SHARE_MENU_ITEM,
+                    mIsOpenedByChrome && mUiType == CustomTabsUiType.DEFAULT);
+        }
+    }
+
     /**
      * Returns the color passed from the client app.
      */
@@ -656,7 +687,7 @@ public class CustomTabIntentDataProvider extends BrowserServicesIntentDataProvid
 
     @Override
     public boolean shouldShowShareMenuItem() {
-        return mShowShareItem;
+        return mShowShareItemInMenu;
     }
 
     @Override

chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabsShareBroadcastReceiver.java

+// Copyright 2020 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.customtabs;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+/**
+ * Receives shared content broadcast from Chrome Custom Tabs and shows a share sheet to share the
+ * url.
+ */
+public final class CustomTabsShareBroadcastReceiver extends BroadcastReceiver {
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        String url = intent.getDataString();
+        Intent shareIntent = new Intent(Intent.ACTION_SEND);
+        shareIntent.setType("text/plain");
+        shareIntent.putExtra(Intent.EXTRA_TEXT, url);
+        Intent chooserIntent = Intent.createChooser(shareIntent, null);
+        chooserIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        context.startActivity(chooserIntent);
+    }
+}

chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabActivityTest.java

@@ -945,6 +945,7 @@ public class CustomTabActivityTest {
     public void testActionButtonBadRatio() {
         Bitmap expectedIcon = createTestBitmap(60, 20);
         Intent intent = createMinimalCustomTabIntent();
+        CustomTabsTestUtils.setShareState(intent, CustomTabsIntent.SHARE_STATE_OFF);
         CustomTabsTestUtils.addActionButtonToIntent(
                 intent, expectedIcon, "Good test", sIdToIncrement++);
         mCustomTabActivityTestRule.startCustomTabActivityWithIntent(intent);

chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabActivityTestRule.java

@@ -12,8 +12,10 @@ import org.hamcrest.Matchers;
 import org.junit.Assert;
 
 import org.chromium.base.ApplicationStatus;
+import org.chromium.base.FeatureList;
 import org.chromium.base.test.util.CallbackHelper;
 import org.chromium.chrome.browser.DeferredStartupHandler;
+import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.browser.tab.EmptyTabObserver;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tab.TabTestUtils;
@@ -21,6 +23,7 @@ import org.chromium.chrome.test.ChromeActivityTestRule;
 import org.chromium.content_public.browser.test.util.Criteria;
 import org.chromium.content_public.browser.test.util.CriteriaHelper;
 
+import java.util.Collections;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
@@ -51,6 +54,10 @@ public class CustomTabActivityTestRule extends ChromeActivityTestRule<CustomTabA
 
     @Override
     public void startActivityCompletely(Intent intent) {
+        if (!FeatureList.hasTestFeatures()) {
+            FeatureList.setTestFeatures(
+                    Collections.singletonMap(ChromeFeatureList.SHARE_BY_DEFAULT_IN_CCT, true));
+        }
         putCustomTabIdInIntent(intent);
         int currentIntentId = getCustomTabIdFromIntent(intent);
 

chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabsTestUtils.java

@@ -279,4 +279,13 @@ public class CustomTabsTestUtils {
         return Bitmap.createBitmap(
                 (int) (widthDp * density), (int) (heightDp * density), Bitmap.Config.ARGB_8888);
     }
+
+    /**
+     * Sets the {@link CustomTabsIntent.ShareState} of the custom tab.
+     * @param intent The intent to modify.
+     * @param shareState The {@link CustomTabsIntent.ShareState} being set.
+     */
+    public static void setShareState(Intent intent, int shareState) {
+        intent.putExtra(CustomTabsIntent.EXTRA_SHARE_STATE, shareState);
+    }
 }

chrome/android/javatests/src/org/chromium/chrome/browser/firstrun/FirstRunIntegrationTest.java

@@ -25,6 +25,7 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.TestRule;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.Mockito;
@@ -38,6 +39,7 @@ import org.chromium.chrome.browser.ChromeTabbedActivity;
 import org.chromium.chrome.browser.customtabs.CustomTabActivity;
 import org.chromium.chrome.browser.customtabs.CustomTabsTestUtils;
 import org.chromium.chrome.browser.document.ChromeLauncherActivity;
+import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.browser.locale.DefaultSearchEngineDialogHelperUtils;
 import org.chromium.chrome.browser.locale.LocaleManager;
 import org.chromium.chrome.browser.locale.LocaleManager.SearchEnginePromoType;
@@ -46,6 +48,7 @@ import org.chromium.chrome.browser.privacy.settings.PrivacyPreferencesManager;
 import org.chromium.chrome.browser.search_engines.TemplateUrlServiceFactory;
 import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
 import org.chromium.chrome.test.MultiActivityTestRule;
+import org.chromium.chrome.test.util.browser.Features;
 import org.chromium.components.policy.AbstractAppRestrictionsProvider;
 import org.chromium.components.search_engines.TemplateUrl;
 import org.chromium.content_public.browser.UiThreadTaskTraits;
@@ -61,11 +64,14 @@ import java.util.Set;
  * Integration test suite for the first run experience.
  */
 @RunWith(ChromeJUnit4ClassRunner.class)
+@Features.EnableFeatures(ChromeFeatureList.SHARE_BY_DEFAULT_IN_CCT)
 public class FirstRunIntegrationTest {
-
     @Rule
     public MultiActivityTestRule mTestRule = new MultiActivityTestRule();
 
+    @Rule
+    public TestRule mProcessor = new Features.JUnitProcessor();
+
     @Mock
     public FirstRunAppRestrictionInfo mMockAppRestrictionInfo;
     @Mock

chrome/android/javatests/src/org/chromium/chrome/browser/media/MediaLauncherActivityTest.java

@@ -19,17 +19,20 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.TestRule;
 import org.junit.runner.RunWith;
 
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.UrlUtils;
 import org.chromium.chrome.browser.customtabs.CustomTabActivity;
+import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.browser.flags.ChromeSwitches;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
 import org.chromium.chrome.test.MultiActivityTestRule;
 import org.chromium.chrome.test.TestContentProvider;
 import org.chromium.chrome.test.util.ActivityUtils;
+import org.chromium.chrome.test.util.browser.Features;
 import org.chromium.content_public.browser.test.util.Criteria;
 import org.chromium.content_public.browser.test.util.CriteriaHelper;
 
@@ -42,10 +45,14 @@ import java.util.concurrent.Callable;
  */
 @RunWith(ChromeJUnit4ClassRunner.class)
 @CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})
+@Features.EnableFeatures(ChromeFeatureList.SHARE_BY_DEFAULT_IN_CCT)
 public class MediaLauncherActivityTest {
     @Rule
     public MultiActivityTestRule mTestRule = new MultiActivityTestRule();
 
+    @Rule
+    public TestRule mProcessor = new Features.JUnitProcessor();
+
     private Context mContext;
 
     @Before

chrome/android/javatests/src/org/chromium/chrome/browser/reengagement/ReengagementNotificationControllerIntegrationTest.java

@@ -379,6 +379,7 @@ public class ReengagementNotificationControllerIntegrationTest {
         // as expected with test values.
         features.put(ChromeFeatureList.SEARCH_ENGINE_PROMO_EXISTING_DEVICE, false);
         features.put(ChromeFeatureList.OMNIBOX_SEARCH_ENGINE_LOGO, false);
+        features.put(ChromeFeatureList.SHARE_BY_DEFAULT_IN_CCT, true);
         FeatureList.setTestFeatures(features);
     }
 }
\ No newline at end of file