Replace AppBannerDataFetcher with InstallableManager.

chrome/browser/android/banners/app_banner_manager_android.cc

Index: chrome/browser/android/banners/app_banner_manager_android.cc
diff --git a/chrome/browser/android/banners/app_banner_manager_android.cc b/chrome/browser/android/banners/app_banner_manager_android.cc
index 7a4617411d494d20464bc6e91d874c73baf29b90..a0456b2d6bd4bc4bac4ef582710e1c24332d843e 100644
--- a/chrome/browser/android/banners/app_banner_manager_android.cc
+++ b/chrome/browser/android/banners/app_banner_manager_android.cc
@@ -2,22 +2,30 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <utility>
+
 #include "chrome/browser/android/banners/app_banner_manager_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
-#include "chrome/browser/android/banners/app_banner_data_fetcher_android.h"
+#include "base/memory/ptr_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/android/banners/app_banner_infobar_delegate_android.h"
 #include "chrome/browser/android/shortcut_helper.h"
 #include "chrome/browser/banners/app_banner_metrics.h"
+#include "chrome/browser/infobars/infobar_service.h"
+#include "chrome/browser/manifest/manifest_icon_downloader.h"
+#include "chrome/browser/manifest/manifest_icon_selector.h"
+#include "chrome/browser/ui/android/infobars/app_banner_infobar_android.h"
 #include "chrome/common/chrome_constants.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/frame_navigate_params.h"
 #include "jni/AppBannerManager_jni.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 
 using base::android::ConvertJavaStringToUTF8;
 using base::android::ConvertJavaStringToUTF16;
 using base::android::ConvertUTF8ToJavaString;
-using base::android::ConvertUTF16ToJavaString;
 using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
 
@@ -46,15 +54,33 @@ AppBannerManagerAndroid::~AppBannerManagerAndroid() {
   java_banner_manager_.Reset();
 }
 
+base::Closure AppBannerManagerAndroid::FetchWebappSplashScreenImageCallback(
+    const std::string& webapp_id) {
+  content::WebContents* contents = web_contents();
+  DCHECK(contents);
+
+  int ideal_splash_image_size_in_dp =
+      ShortcutHelper::GetIdealSplashImageSizeInDp();
+  int minimum_splash_image_size_in_dp =
+      ShortcutHelper::GetMinimumSplashImageSizeInDp();
+  GURL image_url = ManifestIconSelector::FindBestMatchingIcon(
+      manifest_.icons, ideal_splash_image_size_in_dp,
+      minimum_splash_image_size_in_dp);
+
+  return base::Bind(&ShortcutHelper::FetchSplashScreenImage, contents,
+                    image_url, ideal_splash_image_size_in_dp,
+                    minimum_splash_image_size_in_dp, webapp_id);
+}
+
 const base::android::ScopedJavaGlobalRef<jobject>&
 AppBannerManagerAndroid::GetJavaBannerManager() const {
   return java_banner_manager_;
 }
 
-bool AppBannerManagerAndroid::IsFetcherActive(
+bool AppBannerManagerAndroid::IsActiveForTesting(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
-  return AppBannerManager::IsFetcherActive();
+  return is_active();
 }
 
 bool AppBannerManagerAndroid::OnAppDetailsRetrieved(
@@ -64,16 +90,15 @@ bool AppBannerManagerAndroid::OnAppDetailsRetrieved(
     const JavaParamRef<jstring>& japp_title,
     const JavaParamRef<jstring>& japp_package,
     const JavaParamRef<jstring>& jicon_url) {
-  AppBannerDataFetcherAndroid* android_fetcher =
-      static_cast<AppBannerDataFetcherAndroid*>(data_fetcher().get());
-  if (!CheckFetcherMatchesContents(android_fetcher->is_debug_mode()))
-    return false;
-
-  GURL image_url = GURL(ConvertJavaStringToUTF8(env, jicon_url));
-
-  return android_fetcher->ContinueFetching(
-      ConvertJavaStringToUTF16(env, japp_title),
-      ConvertJavaStringToUTF8(env, japp_package), japp_data, image_url);
+  native_app_data_.Reset(japp_data);
+  app_title_ = ConvertJavaStringToUTF16(env, japp_title);
+  native_app_package_ = ConvertJavaStringToUTF8(env, japp_package);
+  icon_url_ = GURL(ConvertJavaStringToUTF8(env, jicon_url));
+
+  return ManifestIconDownloader::Download(
+      web_contents(), icon_url_, GetIdealIconSizeInDp(),
+      GetMinimumIconSizeInDp(),
+      base::Bind(&AppBannerManager::OnAppIconFetched, GetWeakPtr()));
 }
 
 void AppBannerManagerAndroid::RequestAppBanner(const GURL& validated_url,
@@ -85,22 +110,106 @@ void AppBannerManagerAndroid::RequestAppBanner(const GURL& validated_url,
   AppBannerManager::RequestAppBanner(validated_url, is_debug_mode);
 }
 
-AppBannerDataFetcher* AppBannerManagerAndroid::CreateAppBannerDataFetcher(
-    base::WeakPtr<Delegate> weak_delegate,
-    bool is_debug_mode) {
-  return new AppBannerDataFetcherAndroid(
-      web_contents(), weak_delegate,
-      ShortcutHelper::GetIdealHomescreenIconSizeInDp(),
-      ShortcutHelper::GetMinimumHomescreenIconSizeInDp(),
-      ShortcutHelper::GetIdealSplashImageSizeInDp(),
-      ShortcutHelper::GetMinimumSplashImageSizeInDp(), is_debug_mode);
+std::string AppBannerManagerAndroid::GetAppIdentifier() {
+  return native_app_data_.is_null() ? AppBannerManager::GetAppIdentifier()
+                                    : native_app_package_;
+}
+
+std::string AppBannerManagerAndroid::GetBannerType() {
+  return native_app_data_.is_null() ? AppBannerManager::GetBannerType()
+                                    : "android";
+}
+
+int AppBannerManagerAndroid::GetIdealIconSizeInDp() {
+  return ShortcutHelper::GetIdealHomescreenIconSizeInDp();
+}
+
+int AppBannerManagerAndroid::GetMinimumIconSizeInDp() {
+  return ShortcutHelper::GetMinimumHomescreenIconSizeInDp();
+}
+
+bool AppBannerManagerAndroid::IsWebAppInstalled(
+    content::BrowserContext* browser_context,
+    const GURL& start_url) {
+  // Returns true if a WebAPK is installed. Does not check whether a non-WebAPK
+  // web app is installed: this is detected by the content settings check in
+  // AppBannerSettingsHelper::ShouldShowBanner (due to the lack of an API to
+  // detect what is and isn't on the Android homescreen).
+  // This method will still detect the presence of a WebAPK even if Chrome's
+  // data is cleared.
+  return ShortcutHelper::IsWebApkInstalled(start_url);
+}
+
+void AppBannerManagerAndroid::PerformInstallableCheck() {
+  // Check if the manifest prefers that we show a native app banner. If so, call
+  // to Java to verify the details.
+  if (manifest_.prefer_related_applications &&
+      manifest_.related_applications.size()) {
+    for (const auto& application : manifest_.related_applications) {
+      std::string platform = base::UTF16ToUTF8(application.platform.string());
+      std::string id = base::UTF16ToUTF8(application.id.string());
+      if (CanHandleNonWebApp(platform, application.url, id))
+        return;
+    }
+  }
+
+  // No native app banner was requested. Continue checking for a web app banner.
+  AppBannerManager::PerformInstallableCheck();
+}
+
+void AppBannerManagerAndroid::OnAppIconFetched(const SkBitmap& bitmap) {
+  if (bitmap.drawsNothing()) {
+    ReportError(web_contents(), NO_ICON_AVAILABLE);
+    Stop();
+  }
+
+  if (!is_active())
+    return;
+
+  icon_.reset(new SkBitmap(bitmap));
+  SendBannerPromptRequest();
+}
+
+void AppBannerManagerAndroid::ShowBanner() {
+  content::WebContents* contents = web_contents();
+  DCHECK(contents);
+
+  infobars::InfoBar* infobar = nullptr;
+  if (native_app_data_.is_null()) {
+    std::unique_ptr<AppBannerInfoBarDelegateAndroid> delegate(
+        new AppBannerInfoBarDelegateAndroid(
+            GetWeakPtr(), app_title_, manifest_url_, manifest_, icon_url_,
+            std::move(icon_), event_request_id()));
+
+    infobar = new AppBannerInfoBarAndroid(std::move(delegate),
+                                          manifest_.start_url);
+    if (infobar) {
+      RecordDidShowBanner("AppBanner.WebApp.Shown");
+      TrackDisplayEvent(DISPLAY_EVENT_WEB_APP_BANNER_CREATED);
+    }
+  } else {
+    std::unique_ptr<AppBannerInfoBarDelegateAndroid> delegate(
+        new AppBannerInfoBarDelegateAndroid(
+            app_title_, native_app_data_, std::move(icon_), native_app_package_,
+            referrer_, event_request_id()));
+    infobar =
+        new AppBannerInfoBarAndroid(std::move(delegate), native_app_data_);
+    if (infobar) {
+      RecordDidShowBanner("AppBanner.NativeApp.Shown");
+      TrackDisplayEvent(DISPLAY_EVENT_NATIVE_APP_BANNER_CREATED);
+    }
+  }
+
+  if (infobar) {
+    InfoBarService::FromWebContents(contents)->AddInfoBar(
+        base::WrapUnique(infobar));
+  }
 }
 
-bool AppBannerManagerAndroid::HandleNonWebApp(const std::string& platform,
+bool AppBannerManagerAndroid::CanHandleNonWebApp(const std::string& platform,
                                               const GURL& url,
-                                              const std::string& id,
-                                              bool is_debug_mode) {
-  if (!CheckPlatformAndId(platform, id, is_debug_mode))
+                                              const std::string& id) {
+  if (!CheckPlatformAndId(platform, id))
     return false;
 
   banners::TrackDisplayEvent(DISPLAY_EVENT_NATIVE_APP_BANNER_REQUESTED);
@@ -112,13 +221,11 @@ bool AppBannerManagerAndroid::HandleNonWebApp(const std::string& platform,
 
   std::string id_from_app_url = ExtractQueryValueForName(url, kIdName);
   if (id_from_app_url.size() && id != id_from_app_url) {
-    banners::OutputDeveloperNotShownMessage(
-        web_contents(), banners::kIgnoredIdsDoNotMatch, is_debug_mode);
+    ReportError(web_contents(), IDS_DO_NOT_MATCH);
     return false;
   }
 
-  std::string referrer =
-      ExtractQueryValueForName(url, kReferrerName);
+  std::string referrer = ExtractQueryValueForName(url, kReferrerName);
 
   // Attach the chrome_inline referrer value, prefixed with "&" if the referrer
   // is non empty.
@@ -128,15 +235,12 @@ bool AppBannerManagerAndroid::HandleNonWebApp(const std::string& platform,
     referrer.append("&").append(kPlayInlineReferrer);
 
   ScopedJavaLocalRef<jstring> jurl(
-      ConvertUTF8ToJavaString(env, data_fetcher()->validated_url().spec()));
-  ScopedJavaLocalRef<jstring> jpackage(
-      ConvertUTF8ToJavaString(env, id));
-  ScopedJavaLocalRef<jstring> jreferrer(
-      ConvertUTF8ToJavaString(env, referrer));
+      ConvertUTF8ToJavaString(env, validated_url_.spec()));
+  ScopedJavaLocalRef<jstring> jpackage(ConvertUTF8ToJavaString(env, id));
+  ScopedJavaLocalRef<jstring> jreferrer(ConvertUTF8ToJavaString(env, referrer));
   Java_AppBannerManager_fetchAppDetails(
-      env, java_banner_manager_.obj(), jurl.obj(),
-      jpackage.obj(), jreferrer.obj(),
-      ShortcutHelper::GetIdealHomescreenIconSizeInDp());
+      env, java_banner_manager_.obj(), jurl.obj(), jpackage.obj(),
+      jreferrer.obj(), GetIdealIconSizeInDp());
   return true;
 }
 
@@ -146,32 +250,14 @@ void AppBannerManagerAndroid::CreateJavaBannerManager() {
       Java_AppBannerManager_create(env, reinterpret_cast<intptr_t>(this)));
 }
 
-bool AppBannerManagerAndroid::CheckFetcherMatchesContents(bool is_debug_mode) {
-  if (!web_contents())
-    return false;
-
-  if (!data_fetcher() ||
-      data_fetcher()->validated_url() != web_contents()->GetURL()) {
-    banners::OutputDeveloperNotShownMessage(
-        web_contents(), banners::kUserNavigatedBeforeBannerShown,
-        is_debug_mode);
-    return false;
-  }
-  return true;
-}
-
 bool AppBannerManagerAndroid::CheckPlatformAndId(const std::string& platform,
-                                                 const std::string& id,
-                                                 bool is_debug_mode) {
+                                                 const std::string& id) {
   if (platform != kPlayPlatform) {
-    banners::OutputDeveloperNotShownMessage(
-        web_contents(), banners::kIgnoredNotSupportedOnAndroid, platform,
-        is_debug_mode);
+    ReportError(web_contents(), PLATFORM_NOT_SUPPORTED_ON_ANDROID);
     return false;
   }
   if (id.empty()) {
-    banners::OutputDeveloperNotShownMessage(
-        web_contents(), banners::kIgnoredNoId, is_debug_mode);
+    ReportError(web_contents(), NO_ID_SPECIFIED);
     return false;
   }
   return true;
@@ -230,7 +316,7 @@ void SetEngagementWeights(JNIEnv* env,
 void SetTimeDeltaForTesting(JNIEnv* env,
                             const JavaParamRef<jclass>& clazz,
                             jint days) {
-  AppBannerDataFetcher::SetTimeDeltaForTesting(days);
+  AppBannerManager::SetTimeDeltaForTesting(days);
 }
 
 }  // namespace banners