Don't ignore manifest icons for sites that don't have a service worker.

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/location.h"
@@ skipping 14 matching lines @@
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/manifest.h"
 #include "third_party/WebKit/public/platform/modules/screen_orientation/WebScreenOrientationLockType.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/favicon_size.h"
 #include "url/gurl.h"
 
 namespace {
 
-// The default number of milliseconds to wait for the data download to complete.
-const int kDataTimeoutInMilliseconds = 4000;
-
 // Looks up the original, online URL of the site requested.  The URL from the
 // WebContents may be a distilled article which is not appropriate for a home
 // screen shortcut.
 GURL GetShortcutUrl(content::BrowserContext* browser_context,
                     const GURL& actual_url) {
   return dom_distiller::url_utils::GetOriginalUrlFromDistillerUrl(actual_url);
 }
 
-InstallableParams ParamsToPerformInstallableCheck(
+InstallableParams ParamsToPerformManifestAndIconFetch(
     int ideal_icon_size_in_px,
     int minimum_icon_size_in_px,
     int badge_size_in_px,
     bool check_webapk_compatibility) {
   InstallableParams params;
   params.ideal_primary_icon_size_in_px = ideal_icon_size_in_px;
   params.minimum_primary_icon_size_in_px = minimum_icon_size_in_px;
-  params.check_installable = check_webapk_compatibility;
   params.fetch_valid_primary_icon = true;
   if (check_webapk_compatibility) {
+    params.fetch_valid_badge_icon = true;
     params.ideal_badge_icon_size_in_px = badge_size_in_px;
     params.minimum_badge_icon_size_in_px = badge_size_in_px;
-    params.fetch_valid_badge_icon = true;
   }
   return params;
 }
 
+InstallableParams ParamsToPerformInstallableCheck(
+    bool check_webapk_compatibility) {
+  InstallableParams params;
+  params.check_installable = check_webapk_compatibility;
+  return params;
+}
+
 }  // 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,
+    int data_timeout_ms,
     bool check_webapk_compatibility,
     Observer* observer)
     : content::WebContentsObserver(web_contents),
+      installable_manager_(InstallableManager::FromWebContents(web_contents)),
       weak_observer_(observer),
       shortcut_info_(GetShortcutUrl(web_contents->GetBrowserContext(),
                                     web_contents->GetLastCommittedURL())),
       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),
+      data_timeout_ms_(data_timeout_ms),
       check_webapk_compatibility_(check_webapk_compatibility),
       is_waiting_for_web_application_info_(true),
       is_installable_check_complete_(false),
       is_icon_saved_(false) {
   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.
   content::RenderFrameHost* main_frame = web_contents->GetMainFrame();
   main_frame->Send(
@@ skipping 34 matching lines @@
     case WebApplicationInfo::MOBILE_CAPABLE_APPLE:
       base::RecordAction(
           base::UserMetricsAction("webapps.AddShortcut.AppShortcutApple"));
       break;
     case WebApplicationInfo::MOBILE_CAPABLE_UNSPECIFIED:
       base::RecordAction(
           base::UserMetricsAction("webapps.AddShortcut.Bookmark"));
       break;
   }
 
-  InstallableManager::CreateForWebContents(web_contents());
-  InstallableManager* manager =
-      InstallableManager::FromWebContents(web_contents());
-  DCHECK(manager);
-
   // Kick off a timeout for downloading data. If we haven't finished within the
   // timeout, fall back to using a dynamically-generated launcher icon.
   data_timeout_timer_.Start(
-      FROM_HERE, base::TimeDelta::FromMilliseconds(kDataTimeoutInMilliseconds),
+      FROM_HERE, base::TimeDelta::FromMilliseconds(data_timeout_ms_),
       base::Bind(&AddToHomescreenDataFetcher::OnDataTimedout, this));
 
-  manager->GetData(
-      ParamsToPerformInstallableCheck(ideal_icon_size_in_px_,
-                                      minimum_icon_size_in_px_,
-                                      badge_size_in_px_,
-                                      check_webapk_compatibility_),
-      base::Bind(&AddToHomescreenDataFetcher::OnDidPerformInstallableCheck,
-                 this));
+  installable_manager_->GetData(
+      ParamsToPerformManifestAndIconFetch(
+          ideal_icon_size_in_px_, minimum_icon_size_in_px_, badge_size_in_px_,
+          check_webapk_compatibility_),
+      base::Bind(&AddToHomescreenDataFetcher::OnDidGetManifestAndIcons, this));
 }
 
 AddToHomescreenDataFetcher::~AddToHomescreenDataFetcher() {
   DCHECK(!weak_observer_);
 }
 
 bool AddToHomescreenDataFetcher::OnMessageReceived(
     const IPC::Message& message,
     content::RenderFrameHost* sender) {
   if (!is_waiting_for_web_application_info_)
@@ skipping 15 matching lines @@
     return;
 
   if (!is_installable_check_complete_) {
     is_installable_check_complete_ = true;
     if (check_webapk_compatibility_)
       weak_observer_->OnDidDetermineWebApkCompatibility(false);
     weak_observer_->OnUserTitleAvailable(shortcut_info_.user_title);
   }
 
   badge_icon_.reset();
-  CreateLauncherIcon(SkBitmap());
+  CreateLauncherIcon(raw_primary_icon_);
 }
 
-void AddToHomescreenDataFetcher::OnDidPerformInstallableCheck(
+void AddToHomescreenDataFetcher::OnDidGetManifestAndIcons(
     const InstallableData& data) {
-  data_timeout_timer_.Stop();
-  badge_icon_.reset();
-
   if (!web_contents() || !weak_observer_ || is_installable_check_complete_)
     return;
 
-  is_installable_check_complete_ = true;
-
-  bool webapk_compatible = false;
-  if (check_webapk_compatibility_) {
-    webapk_compatible = (data.error_code == NO_ERROR_DETECTED &&
-                         AreWebManifestUrlsWebApkCompatible(data.manifest));
-    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.manifest.IsEmpty()) {
     base::RecordAction(base::UserMetricsAction("webapps.AddShortcut.Manifest"));
     shortcut_info_.UpdateFromManifest(data.manifest);
     shortcut_info_.manifest_url = data.manifest_url;
+  }
 
-    if (webapk_compatible) {
-      shortcut_info_.UpdateSource(ShortcutInfo::SOURCE_ADD_TO_HOMESCREEN_PWA);
+  // Do this after updating from the manifest for the case where a site has
+  // a manifest with name and standalone specified, but no icons.
+  if (data.manifest.IsEmpty() || !data.primary_icon) {
+    if (check_webapk_compatibility_)
+      weak_observer_->OnDidDetermineWebApkCompatibility(false);
+    weak_observer_->OnUserTitleAvailable(shortcut_info_.user_title);
+    data_timeout_timer_.Stop();
+    FetchFavicon();
+    return;
+  }
 
-      if (data.badge_icon && !data.badge_icon->drawsNothing()) {
-        shortcut_info_.best_badge_icon_url = data.badge_icon_url;
-        badge_icon_ = *data.badge_icon;
-      }
-    }
-  }
+  raw_primary_icon_ = *data.primary_icon;
+  shortcut_info_.best_primary_icon_url = data.primary_icon_url;
 
   // Save the splash screen URL for the later download.
   shortcut_info_.splash_image_url =
       content::ManifestIconSelector::FindBestMatchingIcon(
           data.manifest.icons, ideal_splash_image_size_in_px_,
           minimum_splash_image_size_in_px_,
           content::Manifest::Icon::IconPurpose::ANY);
   shortcut_info_.ideal_splash_image_size_in_px = ideal_splash_image_size_in_px_;
   shortcut_info_.minimum_splash_image_size_in_px =
       minimum_splash_image_size_in_px_;
+  if (data.badge_icon) {
+    shortcut_info_.best_badge_icon_url = data.badge_icon_url;
+    badge_icon_ = *data.badge_icon;
+  }
+
+  installable_manager_->GetData(
+      ParamsToPerformInstallableCheck(check_webapk_compatibility_),
+      base::Bind(&AddToHomescreenDataFetcher::OnDidPerformInstallableCheck,
+                 this));
+}
+
+void AddToHomescreenDataFetcher::OnDidPerformInstallableCheck(
+    const InstallableData& data) {
+  data_timeout_timer_.Stop();
+
+  if (!web_contents() || !weak_observer_ || is_installable_check_complete_)
+    return;
+
+  is_installable_check_complete_ = true;
+
+  bool webapk_compatible = false;
+  if (check_webapk_compatibility_) {
+    webapk_compatible = (data.error_code == NO_ERROR_DETECTED &&
+                         AreWebManifestUrlsWebApkCompatible(data.manifest));
+    weak_observer_->OnDidDetermineWebApkCompatibility(webapk_compatible);
+  }
 
   weak_observer_->OnUserTitleAvailable(shortcut_info_.user_title);
-
-  if (data.primary_icon) {
-    shortcut_info_.best_primary_icon_url = data.primary_icon_url;
-
-    if (webapk_compatible)
-      NotifyObserver(*data.primary_icon);
-    else
-      CreateLauncherIcon(*(data.primary_icon));
-    return;
+  if (webapk_compatible) {
+    shortcut_info_.UpdateSource(ShortcutInfo::SOURCE_ADD_TO_HOMESCREEN_PWA);
+    NotifyObserver(raw_primary_icon_);
+  } else {
+    CreateLauncherIcon(raw_primary_icon_);
   }
-
-  FetchFavicon();
 }
 
 void AddToHomescreenDataFetcher::FetchFavicon() {
   if (!web_contents() || !weak_observer_)
     return;
 
   // Grab the best, largest icon we can find to represent this bookmark.
   // TODO(dfalcantara): Try combining with the new BookmarksHandler once its
   //                    rewrite is further along.
   std::vector<int> icon_types{
@@ skipping 32 matching lines @@
                          CreateLauncherIconFromFaviconInBackground,
                      base::Unretained(this), bitmap_result),
       base::BindOnce(&AddToHomescreenDataFetcher::NotifyObserver,
                      base::RetainedRef(this)));
 }
 
 SkBitmap AddToHomescreenDataFetcher::CreateLauncherIconFromFaviconInBackground(
     const favicon_base::FaviconRawBitmapResult& bitmap_result) {
   base::ThreadRestrictions::AssertIOAllowed();
 
-  SkBitmap raw_icon;
   if (bitmap_result.is_valid()) {
     gfx::PNGCodec::Decode(bitmap_result.bitmap_data->front(),
-                          bitmap_result.bitmap_data->size(), &raw_icon);
+                          bitmap_result.bitmap_data->size(),
+                          &raw_primary_icon_);
   }
 
   shortcut_info_.best_primary_icon_url = bitmap_result.icon_url;
-  return CreateLauncherIconInBackground(raw_icon);
+  return CreateLauncherIconInBackground(raw_primary_icon_);
 }
 
-void AddToHomescreenDataFetcher::CreateLauncherIcon(const SkBitmap& raw_icon) {
+void AddToHomescreenDataFetcher::CreateLauncherIcon(const SkBitmap& icon) {

[pkotwicz, 2017/06/27 15:48:19]

|icon| looks unused

[dominickn, 2017/06/28 01:38:05]

Whoops fixed.

   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   // The user is waiting for the icon to be processed before they can proceed
   // with add to homescreen. But if we shut down, there's no point starting the
   // image processing. Use USER_VISIBLE with MayBlock and SKIP_ON_SHUTDOWN.
   base::PostTaskWithTraitsAndReplyWithResult(
       FROM_HERE,
       {base::MayBlock(), base::TaskPriority::USER_VISIBLE,
        base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN},
       base::BindOnce(
           &AddToHomescreenDataFetcher::CreateLauncherIconInBackground,
-          base::Unretained(this), raw_icon),
+          base::Unretained(this), raw_primary_icon_),
       base::BindOnce(&AddToHomescreenDataFetcher::NotifyObserver,
                      base::RetainedRef(this)));
 }
 
 SkBitmap AddToHomescreenDataFetcher::CreateLauncherIconInBackground(
-    const SkBitmap& raw_icon) {
+    const SkBitmap& icon) {
   base::ThreadRestrictions::AssertIOAllowed();
 
   SkBitmap primary_icon;
   bool is_generated = false;
   if (weak_observer_) {
     primary_icon = weak_observer_->FinalizeLauncherIconInBackground(
-        raw_icon, shortcut_info_.url, &is_generated);
+        icon, shortcut_info_.url, &is_generated);
   }
 
   if (is_generated)
     shortcut_info_.best_primary_icon_url = GURL();
 
   return primary_icon;
 }
 
 void AddToHomescreenDataFetcher::NotifyObserver(const SkBitmap& primary_icon) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (!web_contents() || !weak_observer_ || is_icon_saved_)

[pkotwicz, 2017/06/27 15:48:20]

Aside: |is_icon_saved_| should now always be false

[dominickn, 2017/06/28 01:38:05]

Indeed. Removed.

     return;
 
   is_icon_saved_ = true;
   primary_icon_ = primary_icon;
   weak_observer_->OnDataAvailable(shortcut_info_, primary_icon_, badge_icon_);
 }