blob: d4b7d7ec831d06bd80e46dea4e7c04f23f0e2080 [file] [log] [blame]
// 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.
#include "base/mac/scoped_nsobject.h"
#include "base/macros.h"
#include "base/time/time.h"
#include "components/open_from_clipboard/clipboard_recent_content.h"
#include "url/gurl.h"
@class NSDate;
@class NSUserDefaults;
@class ApplicationDidBecomeActiveNotificationListenerBridge;
class ClipboardRecentContentIOSTest;
// IOS implementation of ClipboardRecentContent
class ClipboardRecentContentIOS : public ClipboardRecentContent {
// |application_scheme| is the URL scheme that can be used to open the
// current application, may be empty if no such scheme exists. Used to
// determine whether or not the clipboard contains a relevant URL.
// |group_user_defaults| is the NSUserDefaults used to store information on
// pasteboard entry expiration. This information will be shared with other
// application in the application group.
explicit ClipboardRecentContentIOS(const std::string& application_scheme,
NSUserDefaults* group_user_defaults);
~ClipboardRecentContentIOS() override;
// If the content of the pasteboard has changed, updates the change count,
// change date, and md5 of the latest pasteboard entry if necessary.
void UpdateIfNeeded();
// Returns whether the pasteboard changed since the last time a pasteboard
// change was detected.
bool HasPasteboardChanged() const;
// Loads information from the user defaults about the latest pasteboard entry.
void LoadFromUserDefaults();
// ClipboardRecentContent implementation.
bool GetRecentURLFromClipboard(GURL* url) override;
base::TimeDelta GetClipboardContentAge() const override;
void SuppressClipboardContent() override;
// Returns the uptime. Override in tests to return custom value.
virtual base::TimeDelta Uptime() const;
friend class ClipboardRecentContentIOSTest;
// Saves information to the user defaults about the latest pasteboard entry.
void SaveToUserDefaults();
// Returns the URL contained in the clipboard (if any).
GURL URLFromPasteboard();
// Contains the URL scheme opening the app. May be empty.
std::string application_scheme_;
// The pasteboard's change count. Increases everytime the pasteboard changes.
NSInteger last_pasteboard_change_count_;
// Estimation of the date when the pasteboard changed.
base::scoped_nsobject<NSDate> last_pasteboard_change_date_;
// MD5 hash of the last registered pasteboard entry.
base::scoped_nsobject<NSData> last_pasteboard_entry_md5_;
// Bridge to receive notifications when the application becomes active.
// The user defaults from the app group used to optimize the pasteboard change
// detection.
base::scoped_nsobject<NSUserDefaults> shared_user_defaults_;