blob: 108f270db0b2f1568b1620ebef29295e53b89273 [file] [log] [blame]
// Copyright 2017 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 <memory>
#include <set>
#include "base/macros.h"
#include "ios/web/public/download/download_task_observer.h"
#import "ios/web/public/web_state/web_state_user_data.h"
@protocol PassKitTabHelperDelegate;
namespace web {
class DownloadTask;
class WebState;
} // namespace web
// Key of the UMA Download.IOSDownloadPassKitResult histogram.
extern const char kUmaDownloadPassKitResult[];
// Enum for the Download.IOSDownloadPassKitResult UMA histogram to report the
// results of the PassKit download.
// Note: This enum is used to back an UMA histogram, and should be treated as
// append-only.
enum class DownloadPassKitResult {
Successful = 0,
// PassKit download failed for a reason other than wrong MIME type or 401/403
// HTTP response.
// PassKit download failed due to either a 401 or 403 HTTP response.
// PassKit download did not download the correct MIME type. This can happen
// when web server redirects to login page instead of returning PassKit data.
// TabHelper which downloads pkpass file, constructs PKPass object and passes
// that PKPass to the delegate.
class PassKitTabHelper : public web::WebStateUserData<PassKitTabHelper>,
public web::DownloadTaskObserver {
~PassKitTabHelper() override;
// Creates TabHelper. |delegate| is not retained by TabHelper. |web_state|
// must not be null.
static void CreateForWebState(web::WebState* web_state,
id<PassKitTabHelperDelegate> delegate);
// Asynchronously downloads pkpass file using the given |task|. Asks delegate
// to present "Add pkpass" dialog when the download is complete.
virtual void Download(std::unique_ptr<web::DownloadTask> task);
// Allow subclassing from PassKitTabHelper for testing purposes.
PassKitTabHelper(web::WebState* web_state,
id<PassKitTabHelperDelegate> delegate);
// web::DownloadTaskObserver overrides:
void OnDownloadUpdated(web::DownloadTask* task) override;
web::WebState* web_state_;
__weak id<PassKitTabHelperDelegate> delegate_ = nil;
// Set of unfinished download tasks.
std::set<std::unique_ptr<web::DownloadTask>> tasks_;