[Android] Prompt with infobar on filename conflict

chrome/browser/android/download/android_download_manager_overwrite_infobar_delegate.h

+// 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.
+
+#ifndef CHROME_BROWSER_ANDROID_DOWNLOAD_ANDROID_DOWNLOAD_MANAGER_OVERWRITE_INFOBAR_DELEGATE_H_
+#define CHROME_BROWSER_ANDROID_DOWNLOAD_ANDROID_DOWNLOAD_MANAGER_OVERWRITE_INFOBAR_DELEGATE_H_
+
+#include "base/android/jni_weak_ref.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/callback.h"
+#include "base/files/file_path.h"
+#include "chrome/browser/android/download/download_overwrite_infobar_delegate.h"
+#include "components/infobars/core/infobar_delegate.h"
+
+class InfoBarService;
+
+namespace chrome {
+namespace android {
+
+// An infobar delegate that is initiated from Java side.
+class AndroidDownloadManagerOverwriteInfoBarDelegate
+    : public DownloadOverwriteInfoBarDelegate {
+ public:
+  ~AndroidDownloadManagerOverwriteInfoBarDelegate() override;
+
+  static void Create(InfoBarService* infobar_service,
+                     const std::string& file_name,
+                     const std::string& dir_name,
+                     const std::string& dir_full_path,
+                     jobject chrome_download_delegate,
+                     jobject download_info);
+
+ private:
+  AndroidDownloadManagerOverwriteInfoBarDelegate(
+      const std::string& file_name,
+      const std::string& dir_name,
+      const std::string& dir_full_path,
+      jobject chrome_download_delegate,
+      jobject download_info);
+
+  // DownloadOverwriteInfoBarDelegate:
+  void OverwriteExistingFile() override;
+  void CreateNewFile() override;
+  std::string GetFileName() const override;
+  std::string GetDirName() const override;
+  std::string GetDirFullPath() const override;
+
+  std::string file_name_;
+  std::string dir_name_;
+  std::string dir_full_path_;
+  base::android::ScopedJavaGlobalRef<jobject> chrome_download_delegate_;
+  base::android::ScopedJavaGlobalRef<jobject> download_info_;
+
+  DISALLOW_COPY_AND_ASSIGN(AndroidDownloadManagerOverwriteInfoBarDelegate);
+};
+
+}  // namespace android
+}  // namespace chrome
+
+#endif  // CHROME_BROWSER_ANDROID_DOWNLOAD_ANDROID_DOWNLOAD_MANAGER_OVERWRITE_INFOBAR_DELEGATE_H_