Patent ID: 8761730

Claim:
A mobile terminal apparatus comprising: a display unit; an operation lock mode setting unit that sets an operation lock mode which makes an operation inputted to the display unit, that is not one of one or more predetermined operations, an invalid operation; an event container display control unit that displays, when a predetermined event occurs and when the operation lock mode is set, an event container indicating the occurred predetermined event on the display unit, wherein the event container corresponds to a particular application program, covers a portion of a display area of the display unit, is configured to receive a selection input from a user, and is only displayed when the operation lock mode is set; an event container display change control unit that sets an event container to an active state from an inactive state, or from an active state to an inactive state; a lock canceling operation unit that performs an operation for canceling the operation lock mode; and a canceling operation handling control unit that, when the canceling operation through the lock canceling operation unit is performed when the operation lock mode is set and when an active-state event container is displayed on the display unit, cancels the operation lock mode and performs automatic activation and display of an application program corresponding to the event of the active-state event container from a memory storing the application program, and when the canceling operation through the lock canceling operation unit is performed when the operation lock mode is set and when all event containers on the display unit are in the inactive state, cancels the operation lock mode and displays a predetermined display screen on the display unit, the predetermined display screen being a general menu screen that includes a plurality of application programs available on the mobile terminal apparatus, wherein the event container display change control unit displays, when an operation for setting an inactive-state event container displayed by the event container display control unit to the active state is performed by receiving a selection input from the user at the inactive-state event container during the operation lock mode, a preview object displaying partial information of the event corresponding to the event container and which includes more information about the event than is displayed when the event container is in the inactive state, and displays the preview object as an active-state event container on the display unit during the operation lock mode, while maintaining any other displayed event containers in the inactive state in which a preview object is not displayed.