PSPDFConflictResolutionManager

Objective-C


@interface PSPDFConflictResolutionManager : NSObject <PSPDFOverridable>

Swift

class ConflictResolutionManager : NSObject, Overridable

Handles conflict resolution UI presentation in response to a PSPDFDocumentUnderlyingFileChangedNotification. Invokes the delegate to perform the selected conflict resolution option when done.

Warning

This class manages UI and it’s methods should only be used on the main thread.

SubclassingHooks

  • Presents UI for file conflict resolution for a deleted source file.

    The presented actions should invoke the resolutionManager:requestingFileConflictResolutionForDocument:dataProvider:withResolution:, delegate passing the document, dataProvider and the selected conflict resolution option.

    Declaration

    Objective-C

    - (nullable UIViewController *)
    controllerForFileDeletionResolutionOnDocument:
        (nonnull PSPDFDocument *)document
                                     dataProvider:
                                         (nonnull id<
                                             PSPDFCoordinatedFileDataProviding>)
                                             dataProvider;

    Swift

    func controllerForFileDeletionResolution(on document: PSPDFDocument, dataProvider: CoordinatedFileDataProviding) -> UIViewController?

    Parameters

    document

    The document who’s file was deleted.
    dataProvider

    The data provider that detected the change and can be used for conflict resolution.

    Return Value

    A view controller with conflict resolution options. By default a UIAlertController instance. If nil is returned, no UI will be presented an a default resolution applied (removing the document from the view controller).

  • Presents UI for file conflict resolution for an externally modified source file.

    The presented actions should invoke the resolutionManager:requestingFileConflictResolutionForDocument:dataProvider:withResolution:, delegate passing the document, dataProvider and the selected conflict resolution option.

    Declaration

    Objective-C

    - (nullable UIViewController *)
    controllerForExternalFileChangeResolutionOnDocument:
        (nonnull PSPDFDocument *)document
                                           dataProvider:
                                               (nonnull id<
                                                   PSPDFCoordinatedFileDataProviding>)
                                                   dataProvider;

    Swift

    func controllerForExternalFileChangeResolution(on document: PSPDFDocument, dataProvider: CoordinatedFileDataProviding) -> UIViewController?

    Parameters

    document

    The document who’s file was externally modified.
    dataProvider

    The data provider that detected the change and can be used for conflict resolution

    Return Value

    A view controller with conflict resolution options. By default a UIAlertController instance. If nil is returned, no UI will be presented an a default resolution applied (reloading the document to reflect the external change).