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- // 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.
- #ifndef COMPONENTS_OPEN_FROM_CLIPBOARD_CLIPBOARD_RECENT_CONTENT_IMPL_IOS_H_
- #define COMPONENTS_OPEN_FROM_CLIPBOARD_CLIPBOARD_RECENT_CONTENT_IMPL_IOS_H_
- #import <Foundation/Foundation.h>
- #import <UIKit/UIKit.h>
- typedef NSString* ContentType NS_TYPED_ENUM;
- extern ContentType const ContentTypeURL;
- extern ContentType const ContentTypeText;
- extern ContentType const ContentTypeImage;
- // A protocol implemented by delegates to handle clipboard changes.
- @protocol ClipboardRecentContentDelegate<NSObject>
- - (void)onClipboardChanged;
- @end
- // Helper class returning a URL if the content of the clipboard can be turned
- // into a URL, and if it estimates that the content of the clipboard is not too
- // old.
- @interface ClipboardRecentContentImplIOS : NSObject
- // |delegate| is used for metrics logging and can be nil. |authorizedSchemes|
- // should contain all schemes considered valid. |groupUserDefaults| is the
- // NSUserDefaults used to store information on pasteboard entry expiration. This
- // information will be shared with other applications in the application group.
- - (instancetype)initWithMaxAge:(NSTimeInterval)maxAge
- authorizedSchemes:(NSSet<NSString*>*)authorizedSchemes
- userDefaults:(NSUserDefaults*)groupUserDefaults
- delegate:(id<ClipboardRecentContentDelegate>)delegate
- NS_DESIGNATED_INITIALIZER;
- - (instancetype)init NS_UNAVAILABLE;
- // Returns the copied URL if the clipboard contains a recent URL that has not
- // been suppressed and will not trigger a pasteboard access notification.
- // Otherwise, returns nil.
- - (NSURL*)recentURLFromClipboard;
- // Returns the copied string if the clipboard contains a recent string that has
- // not been suppresed and will not trigger a pasteboard access notification.
- // Otherwise, returns nil.
- - (NSString*)recentTextFromClipboard;
- // Returns the copied image if the clipboard contains a recent image that has
- // not been suppressed and will not trigger a pasteboard access notification.
- // Otherwise, returns nil.
- - (UIImage*)recentImageFromClipboard;
- // Returns the set of content types being currently used on the clipboard; will
- // be nil if the current pasteboard contents are unknown, or if the clipboard
- // content age is expired.
- - (NSSet<ContentType>*)cachedClipboardContentTypes;
- // Uses the new iOS 14 pasteboard detection pattern API to asynchronously detect
- // if the clipboard contains content (that has not been suppressed) of the
- // requested types without actually getting the contents.
- - (void)hasContentMatchingTypes:(NSSet<ContentType>*)types
- completionHandler:
- (void (^)(NSSet<ContentType>*))completionHandler;
- // Uses the new iOS 14 pasteboard detection pattern API to asynchronously get a
- // copied URL from the clipboard if it has not been suppressed. Passes nil to
- // the callback otherwise.
- - (void)recentURLFromClipboardAsync:(void (^)(NSURL*))callback;
- // Uses the new iOS 14 pasteboard detection pattern API to asynchronously get a
- // copied string from the clipboard if it has not been suppressed. Passes nil to
- // the callback otherwise.
- - (void)recentTextFromClipboardAsync:(void (^)(NSString*))callback;
- // Asynchronously gets an image from the clipboard if is has not been
- // suppressed. Passes nil to the callback otherwise. This does not actually use
- // any iOS 14 APIs and could be done synchronously, but is here for consistency.
- - (void)recentImageFromClipboardAsync:(void (^)(UIImage*))callback;
- // Returns how old the content of the clipboard is.
- - (NSTimeInterval)clipboardContentAge;
- // Prevents GetRecentURLFromClipboard from returning anything until the
- // clipboard's content changes.
- - (void)suppressClipboardContent;
- // Methods below are exposed for testing purposes.
- // Estimation of the date when the pasteboard changed.
- @property(nonatomic, copy) NSDate* lastPasteboardChangeDate;
- // Saves information to the user defaults about the latest pasteboard entry.
- - (void)saveToUserDefaults;
- @end
- #endif // COMPONENTS_OPEN_FROM_CLIPBOARD_CLIPBOARD_RECENT_CONTENT_IMPL_IOS_H_
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