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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_DOWNLOAD_ANDROID_DUPLICATE_DOWNLOAD_DIALOG_BRIDGE_H_
#define CHROME_BROWSER_DOWNLOAD_ANDROID_DUPLICATE_DOWNLOAD_DIALOG_BRIDGE_H_
#include "base/android/jni_android.h"
#include "base/android/scoped_java_ref.h"
#include "chrome/browser/download/android/download_callback_validator.h"
#include "chrome/browser/download/download_target_determiner_delegate.h"
#include "components/download/public/common/download_item.h"
namespace content {
class WebContents;
} // namespace content
// Class for showing dialogs to asks whether user wants to download a file
// that already exists on disk
class DuplicateDownloadDialogBridge : public download::DownloadItem::Observer {
public:
using DuplicateDownloadDialogCallback =
base::OnceCallback<void(bool /*accepted*/)>;
// static
static DuplicateDownloadDialogBridge* GetInstance();
DuplicateDownloadDialogBridge();
DuplicateDownloadDialogBridge(const DuplicateDownloadDialogBridge&) = delete;
DuplicateDownloadDialogBridge& operator=(
const DuplicateDownloadDialogBridge&) = delete;
~DuplicateDownloadDialogBridge() override;
// Called to create and show a dialog for a duplicate download.
void Show(const std::string& file_path,
const std::string& page_url,
int64_t total_bytes,
bool duplicate_request_exists,
content::WebContents* web_contents,
DuplicateDownloadDialogCallback callback);
// Called from Java via JNI.
void OnConfirmed(JNIEnv* env, jlong callback_id, jboolean accepted);
private:
// Validator for all JNI callbacks.
DownloadCallbackValidator validator_;
// The corresponding java object.
base::android::ScopedJavaGlobalRef<jobject> java_object_;
};
#endif // CHROME_BROWSER_DOWNLOAD_ANDROID_DUPLICATE_DOWNLOAD_DIALOG_BRIDGE_H_
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