Add helper to open URL in new activity

BUG=675561

Review-Url: https://codereview.chromium.org/2586293002
Cr-Commit-Position: refs/heads/master@{#439779}

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

+// Copyright 2016 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.ntp;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.provider.Browser;
+
+import org.chromium.base.ContextUtils;
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.chrome.browser.IntentHandler;
+import org.chromium.chrome.browser.ShortcutHelper;
+import org.chromium.chrome.browser.document.ChromeLauncherActivity;
+
+/**
+ * Provides functionality needed for content suggestion notifications.
+ *
+ * Exposes helper functions to native C++ code.
+ */
+public class ContentSuggestionsNotificationHelper {
+    private ContentSuggestionsNotificationHelper() {} // Prevent instantiation
+
+    @CalledByNative
+    private static void openUrl(String url) {
+        Context context = ContextUtils.getApplicationContext();
+        Intent intent = new Intent();
+        intent.setAction(Intent.ACTION_VIEW);
+        intent.setData(Uri.parse(url));
+        intent.setClass(context, ChromeLauncherActivity.class);
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        intent.putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName());
+        intent.putExtra(ShortcutHelper.REUSE_URL_MATCHING_TAB_ELSE_NEW_TAB, true);
+        IntentHandler.addTrustedIntentExtras(intent, context);
+        context.startActivity(intent);
+    }
+}

chrome/android/java_sources.gni

@@ -550,6 +550,7 @@ chrome_java_sources = [
   "java/src/org/chromium/chrome/browser/notifications/NotificationSystemStatusUtil.java",
   "java/src/org/chromium/chrome/browser/notifications/StandardNotificationBuilder.java",
   "java/src/org/chromium/chrome/browser/notifications/WebApkNotificationClient.java",
+  "java/src/org/chromium/chrome/browser/ntp/ContentSuggestionsNotificationHelper.java",
   "java/src/org/chromium/chrome/browser/ntp/ContextMenuManager.java",
   "java/src/org/chromium/chrome/browser/ntp/CurrentlyOpenTab.java",
   "java/src/org/chromium/chrome/browser/ntp/DisplayStyleObserver.java",

chrome/browser/BUILD.gn

@@ -3099,6 +3099,8 @@ split_static_library("browser") {
       "android/mojo/chrome_interface_registrar_android.h",
       "android/net/external_estimate_provider_android.cc",
       "android/net/external_estimate_provider_android.h",
+      "android/ntp/content_suggestions_notification_helper.cc",
+      "android/ntp/content_suggestions_notification_helper.h",
       "android/ntp/most_visited_sites_bridge.cc",
       "android/ntp/most_visited_sites_bridge.h",
       "android/ntp/new_tab_page_prefs.cc",
@@ -3972,6 +3974,7 @@ if (android_java_ui) {
       "../android/java/src/org/chromium/chrome/browser/net/spdyproxy/DataReductionProxySettings.java",
       "../android/java/src/org/chromium/chrome/browser/notifications/ActionInfo.java",
       "../android/java/src/org/chromium/chrome/browser/notifications/NotificationPlatformBridge.java",
+      "../android/java/src/org/chromium/chrome/browser/ntp/ContentSuggestionsNotificationHelper.java",
       "../android/java/src/org/chromium/chrome/browser/ntp/ForeignSessionHelper.java",
       "../android/java/src/org/chromium/chrome/browser/ntp/LogoBridge.java",
       "../android/java/src/org/chromium/chrome/browser/ntp/NewTabPagePrefs.java",

chrome/browser/android/ntp/content_suggestions_notification_helper.cc

+// Copyright 2016 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.
+
+#include "chrome/browser/android/ntp/content_suggestions_notification_helper.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "jni/ContentSuggestionsNotificationHelper_jni.h"
+
+namespace ntp_snippets {
+
+void ContentSuggestionsNotificationHelper::OpenURL(const GURL& url) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_ContentSuggestionsNotificationHelper_openUrl(
+      env, base::android::ConvertUTF8ToJavaString(env, url.spec()));
+}
+
+}  // namespace ntp_snippets

chrome/browser/android/ntp/content_suggestions_notification_helper.h

+// Copyright 2016 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.
+
+#ifndef CHROME_BROWSER_ANDROID_NTP_CONTENT_SUGGESTIONS_NOTIFICATION_HELPER_H_
+#define CHROME_BROWSER_ANDROID_NTP_CONTENT_SUGGESTIONS_NOTIFICATION_HELPER_H_
+
+#include "base/macros.h"
+#include "url/gurl.h"
+
+namespace ntp_snippets {
+
+class ContentSuggestionsNotificationHelper {
+ public:
+  static void OpenURL(const GURL& url);
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ContentSuggestionsNotificationHelper);
+};
+
+}  // namespace ntp_snippets
+
+#endif  // CHROME_BROWSER_ANDROID_NTP_CONTENT_SUGGESTIONS_NOTIFICATION_HELPER_H_