Fall back to shortcut A2HS when Phonesky is out of date or unavailable.

chrome/browser/android/banners/app_banner_manager_android.cc

 // Copyright 2015 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/banners/app_banner_manager_android.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/android/jni_android.h"
@@ skipping 38 matching lines @@
   }
   return shortcut_info;
 }
 
 }  // anonymous namespace
 
 namespace banners {
 
 AppBannerManagerAndroid::AppBannerManagerAndroid(
     content::WebContents* web_contents)
-    : AppBannerManager(web_contents) {
+    : AppBannerManager(web_contents),
+      weak_ptr_factory_(this) {
   CreateJavaBannerManager();
 }
 
 AppBannerManagerAndroid::~AppBannerManagerAndroid() {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_AppBannerManager_destroy(env, java_banner_manager_);
   java_banner_manager_.Reset();
 }
 
 base::Closure AppBannerManagerAndroid::FetchWebappSplashScreenImageCallback(
@@ skipping 125 matching lines @@
 
   icon_.reset(new SkBitmap(bitmap));
   SendBannerPromptRequest();
 }
 
 void AppBannerManagerAndroid::ShowBanner() {
   content::WebContents* contents = web_contents();
   DCHECK(contents);
 
   if (native_app_data_.is_null()) {
-    if (AppBannerInfoBarDelegateAndroid::Create(
-            contents, GetWeakPtr(), app_title_,
-            CreateShortcutInfo(manifest_url_, manifest_, icon_url_),
-            std::move(icon_), event_request_id(),
-            webapk::INSTALL_SOURCE_BANNER)) {
-      RecordDidShowBanner("AppBanner.WebApp.Shown");
-      TrackDisplayEvent(DISPLAY_EVENT_WEB_APP_BANNER_CREATED);
-      ReportStatus(contents, SHOWING_WEB_APP_BANNER);
+    if (!ChromeWebApkHost::AreWebApkEnabled() ||
+        !ChromeWebApkHost::CanUseGooglePlayToInstallWebApk()) {
+      // If WebAPK isn't enabled, we don't care about whether the install flow
+      // can be used.
+      // If WebAPK is enabled but the Google Play Install isn't allowed, we set
+      // the flag be true to conitnue with the regular WebAPK install flow.
+      ShowBannerImpl(contents, true);
     } else {
-      ReportStatus(contents, FAILED_TO_CREATE_BANNER);
+      // Checks whether Google Play install API is avaible.
+      // ChromeWebApkHost will delete itself after the the check whether Google
+      // Play Install API is done.
+      ChromeWebApkHost* host = new ChromeWebApkHost();
+      ChromeWebApkHost::CanUseGooglePlayInstallApiCallback callback
+          = base::Bind(&AppBannerManagerAndroid::OnCanUseGooglePlayInstallApi,
+                      weak_ptr_factory_.GetWeakPtr(),
+                      contents);
+      host->CanUseGooglePlayInstallApi(callback);
     }
   } else {
     if (AppBannerInfoBarDelegateAndroid::Create(
             contents, app_title_, native_app_data_, std::move(icon_),
             native_app_package_, referrer_, event_request_id())) {
       RecordDidShowBanner("AppBanner.NativeApp.Shown");
       TrackDisplayEvent(DISPLAY_EVENT_NATIVE_APP_BANNER_CREATED);
       ReportStatus(contents, SHOWING_NATIVE_APP_BANNER);
     } else {
       ReportStatus(contents, FAILED_TO_CREATE_BANNER);
     }
   }
 }
 
+void AppBannerManagerAndroid::ShowBannerImpl(content::WebContents* contents,
+                                             bool can_use_webapk_install_flow) {
+    if (AppBannerInfoBarDelegateAndroid::Create(
+            contents, GetWeakPtr(), app_title_,
+            CreateShortcutInfo(manifest_url_, manifest_, icon_url_),
+            std::move(icon_), event_request_id(), can_use_webapk_install_flow,
+            webapk::INSTALL_SOURCE_BANNER)) {
+      RecordDidShowBanner("AppBanner.WebApp.Shown");
+      TrackDisplayEvent(DISPLAY_EVENT_WEB_APP_BANNER_CREATED);
+      ReportStatus(contents, SHOWING_WEB_APP_BANNER);
+    } else {
+      ReportStatus(contents, FAILED_TO_CREATE_BANNER);
+    }
+}
+
+void AppBannerManagerAndroid::OnCanUseGooglePlayInstallApi(
+    content::WebContents* web_contents,
+    bool isAvailable) {
+  ShowBannerImpl(web_contents, isAvailable);
+}
+
 bool AppBannerManagerAndroid::CanHandleNonWebApp(const std::string& platform,
                                                  const GURL& url,
                                                  const std::string& id) {
   if (!CheckPlatformAndId(platform, id))
     return false;
 
   banners::TrackDisplayEvent(DISPLAY_EVENT_NATIVE_APP_BANNER_REQUESTED);
 
   // Send the info to the Java side to get info about the app.
   JNIEnv* env = base::android::AttachCurrentThread();
@@ skipping 90 matching lines @@
 }
 
 // static
 void SetTotalEngagementToTrigger(JNIEnv* env,
                                  const JavaParamRef<jclass>& clazz,
                                  jdouble engagement) {
   AppBannerSettingsHelper::SetTotalEngagementToTrigger(engagement);
 }
 
 }  // namespace banners