Make AppBannerInfoBar install WebAPK.

chrome/browser/android/webapk/webapk_installer.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_WEBAPK_WEBAPK_INSTALLER_H_
 #define CHROME_BROWSER_ANDROID_WEBAPK_WEBAPK_INSTALLER_H_
 
 #include <jni.h>
 #include <memory>
 
@@ skipping 16 matching lines @@
 class BrowserContext;
 }
 
 namespace webapk {
 class WebApk;
 }
 
 class WebApkIconHasher;
 
 // Talks to Chrome WebAPK server and Google Play to generate a WebAPK on the
 // server, download it, and install it.

[gone, 2016/08/29 17:24:09]

Indicate that the native side WebApkInstaller owns the Java side.

[Xi Han, 2016/08/29 17:55:46]

Done.

 class WebApkInstaller : public net::URLFetcherDelegate {
  public:
-  // Called when either a request for creating/updating a WebAPK has been sent
-  // to Google Play or the create/update process fails.
+  // Called when the creation/updating of a WebAPK is finished or failed.
   // Parameters:
-  // - whether the request succeeds.
-  using FinishCallback = base::Callback<void(bool)>;
+  // - whether the process succeeds.
+  // - the package name of the WebAPK.
+  using FinishCallback = base::Callback<void(bool, const std::string&)>;
 
   WebApkInstaller(const ShortcutInfo& shortcut_info,
                   const SkBitmap& shorcut_icon);
 
   ~WebApkInstaller() override;
 
   // Talks to the Chrome WebAPK server to generate a WebAPK on the server and to
   // Google Play to install the downloaded WebAPK. Calls |callback| after the
   // request to install the WebAPK is sent to Google Play.
   void InstallAsync(content::BrowserContext* browser_context,
-                    const FinishCallback& callback);
+                    const FinishCallback& finish_callback);
 
   // Same as InstallAsync() but uses the passed in |request_context_getter|.
   void InstallAsyncWithURLRequestContextGetter(
       net::URLRequestContextGetter* request_context_getter,
-      const FinishCallback& callback);
+      const FinishCallback& finish_callback);
 
   // Talks to the Chrome WebAPK server to update a WebAPK on the server and to
   // the Google Play server to install the downloaded WebAPK. Calls |callback|
   // after the request to install the WebAPK is sent to the Google Play server.
   void UpdateAsync(content::BrowserContext* browser_context,
                    const FinishCallback& callback,
                    const std::string& icon_murmur2_hash,
                    const std::string& webapk_package,
                    int webapk_version);
 
   // Same as UpdateAsync() but uses the passed in |request_context_getter|.
   void UpdateAsyncWithURLRequestContextGetter(
       net::URLRequestContextGetter* request_context_getter,
       const FinishCallback& callback,
       const std::string& icon_murmur2_hash,
       const std::string& webapk_package,
       int webapk_version);
 
   // Sets the timeout for the server requests.
   void SetTimeoutMs(int timeout_ms);
 
+  // Called once the installation is complete or failed.
+  void OnInstallFinished(JNIEnv* env,
+                         const base::android::JavaParamRef<jobject>& obj,
+                         jboolean success);
+
+  // Registers JNI hooks.
+  static bool Register(JNIEnv* env);
+
  protected:
   // Starts installation of the downloaded WebAPK. Returns whether the install
   // could be started. The installation may still fail if true is returned.
   // |file_path| is the file path that the WebAPK was downloaded to.
   // |package_name| is the package name that the WebAPK should be installed at.
   virtual bool StartInstallingDownloadedWebApk(
       JNIEnv* env,
       const base::android::ScopedJavaLocalRef<jstring>& java_file_path,
       const base::android::ScopedJavaLocalRef<jstring>& java_package_name);
 
   // Starts update using the downloaded WebAPK. Returns whether the updating
   // could be started. The updating may still fail if true is returned.
   // |file_path| is the file path that the WebAPK was downloaded to.
   // |package_name| is the package name of the WebAPK.
   virtual bool StartUpdateUsingDownloadedWebApk(
       JNIEnv* env,
       const base::android::ScopedJavaLocalRef<jstring>& java_file_path,
       const base::android::ScopedJavaLocalRef<jstring>& java_package_name);
 
+  // Called when the request to install the WebAPK is sent to Google Play.
+  void OnSuccess();
+
  private:
   enum TaskType {
     UNDEFINED,
     INSTALL,
     UPDATE,
   };
 
+  // Create the Java object.
+  void CreateJavaRef();
+
   // net::URLFetcherDelegate:
   void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // Downloads app icon in order to compute Murmur2 hash.
   void DownloadAppIconAndComputeMurmur2Hash();
 
   // Called with the computed Murmur2 hash for the app icon.
   void OnGotIconMurmur2Hash(const std::string& icon_murmur2_hash);
 
   // Sends request to WebAPK server to create WebAPK. During a successful
@@ skipping 14 matching lines @@
                    const GURL& server_url);
 
   // Called with the URL of generated WebAPK and the package name that the
   // WebAPK should be installed at.
   void OnGotWebApkDownloadUrl(const GURL& download_url,
                               const std::string& package_name);
 
   // Called once the WebAPK has been downloaded. Makes the downloaded WebAPK
   // world readable and installs the WebAPK if the download was successful.
   // |file_path| is the file path that the WebAPK was downloaded to.
-  // |package_name| is the package name that the WebAPK should be installed at.
   void OnWebApkDownloaded(const base::FilePath& file_path,
-                          const std::string& package_name,
                           FileDownloader::Result result);
 
   // Called once the downloaded WebAPK has been made world readable. Installs
   // the WebAPK.
   // |file_path| is the file path that the WebAPK was downloaded to.
-  // |package_name| is the package name that the WebAPK should be installed at.
   // |change_permission_success| is whether the WebAPK could be made world
   // readable.
   void OnWebApkMadeWorldReadable(const base::FilePath& file_path,
-                                 const std::string& package_name,
                                  bool change_permission_success);
 
   // Called when the request to the WebAPK server times out or when the WebAPK
   // download times out.
   void OnTimeout();
 
-  // Called when the request to install the WebAPK is sent to Google Play.
-  void OnSuccess();
-
   // Called if a WebAPK could not be created. WebApkInstaller only tracks the
   // WebAPK creation and the WebAPK download. It does not track the
   // WebAPK installation. OnFailure() is not called if the WebAPK could not be
   // installed.
   void OnFailure();
 
   net::URLRequestContextGetter* request_context_getter_;
 
   // Sends HTTP request to WebAPK server.
   std::unique_ptr<net::URLFetcher> url_fetcher_;
@@ skipping 33 matching lines @@
 
   // WebAPK package name.
   std::string webapk_package_;
 
   // WebAPK version code.
   int webapk_version_;
 
   // Indicates whether the installer is for installing or updating a WebAPK.
   TaskType task_type_;
 
+  // Points to the Java Object.
+  base::android::ScopedJavaGlobalRef<jobject> java_ref_;
+
   // Used to get |weak_ptr_|.
   base::WeakPtrFactory<WebApkInstaller> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebApkInstaller);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_WEBAPK_WEBAPK_INSTALLER_H_