Fall back to shortcut A2HS when Phonesky is out of date or unavailable.

chrome/browser/android/webapps/add_to_homescreen_data_fetcher.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/webapps/add_to_homescreen_data_fetcher.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 53 matching lines @@
 }  // namespace
 
 AddToHomescreenDataFetcher::AddToHomescreenDataFetcher(
     content::WebContents* web_contents,
     int ideal_icon_size_in_px,
     int minimum_icon_size_in_px,
     int ideal_splash_image_size_in_px,
     int minimum_splash_image_size_in_px,
     int badge_size_in_px,
     bool check_webapk_compatibility,
+    bool can_use_webapk_install_flow,
     Observer* observer)
     : WebContentsObserver(web_contents),
       weak_observer_(observer),
       shortcut_info_(GetShortcutUrl(web_contents->GetBrowserContext(),
                                     web_contents->GetLastCommittedURL())),
       data_timeout_timer_(false, false),
       ideal_icon_size_in_px_(ideal_icon_size_in_px),
       minimum_icon_size_in_px_(minimum_icon_size_in_px),
       ideal_splash_image_size_in_px_(ideal_splash_image_size_in_px),
       minimum_splash_image_size_in_px_(minimum_splash_image_size_in_px),
       badge_size_in_px_(badge_size_in_px),
       check_webapk_compatibility_(check_webapk_compatibility),
       is_waiting_for_web_application_info_(true),
       is_installable_check_complete_(false),
       is_icon_saved_(false),
-      is_ready_(false) {
+      is_ready_(false),
+      can_use_webapk_install_flow_(can_use_webapk_install_flow) {
   DCHECK(minimum_icon_size_in_px <= ideal_icon_size_in_px);
   DCHECK(minimum_splash_image_size_in_px <= ideal_splash_image_size_in_px);
 
   // Send a message to the renderer to retrieve information about the page.
   Send(new ChromeViewMsg_GetWebApplicationInfo(routing_id()));
 }
 
 base::Closure AddToHomescreenDataFetcher::FetchSplashScreenImageCallback(
     const std::string& webapp_id) {
   return base::Bind(&ShortcutHelper::FetchSplashScreenImage, web_contents(),
@@ skipping 99 matching lines @@
 
 void AddToHomescreenDataFetcher::OnDidPerformInstallableCheck(
     const InstallableData& data) {
   badge_icon_.reset();
 
   if (!web_contents() || !weak_observer_)
     return;
 
   is_installable_check_complete_ = true;
 
+  bool webapk_compatible = false;
   if (check_webapk_compatibility_) {
-    bool webapk_compatible =
+    webapk_compatible =
         (data.error_code == NO_ERROR_DETECTED &&
          AreWebManifestUrlsWebApkCompatible(data.manifest));
+
+    if (webapk_compatible) {
+      std::string webapk_package_name = ShortcutHelper::QueryWebApkPackage(
+          data.manifest.start_url);
+      // We will continue the WebAPK install flow if:
+      // The WebAPK has been installed, or
+      // The WebAPK install flow can be used.
+      // Otherwises, we will continue the classic add-to-homescreen shortcut
+      // flow.
+      if (webapk_package_name.empty() && !can_use_webapk_install_flow_)
+        webapk_compatible = false;
+    }
     weak_observer_->OnDidDetermineWebApkCompatibility(webapk_compatible);
 
     if (webapk_compatible) {
       // WebAPKs are wholly defined by the Web Manifest. Ignore the <meta> tag
       // data received in OnDidGetWebApplicationInfo().
       shortcut_info_ = ShortcutInfo(GURL());
 
       if (data.badge_icon && !data.badge_icon->drawsNothing()) {
         shortcut_info_.best_badge_icon_url = data.badge_icon_url;
         badge_icon_ = *data.badge_icon;
@@ skipping 111 matching lines @@
 void AddToHomescreenDataFetcher::NotifyObserver(const SkBitmap& primary_icon) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (!web_contents() || !weak_observer_ || is_icon_saved_)
     return;
 
   is_icon_saved_ = true;
   primary_icon_ = primary_icon;
   is_ready_ = true;
   weak_observer_->OnDataAvailable(shortcut_info_, primary_icon_, badge_icon_);
 }