WO2022097213A1 - 表示制御システム、表示制御方法及び表示制御プログラム - Google Patents
表示制御システム、表示制御方法及び表示制御プログラム Download PDFInfo
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Definitions
- This disclosure relates to a display control system, a display control method, and a display control program.
- Web systems have been developed for various businesses. It is important for business to update the screen of the Web system according to the actual situation of business. However, modifying the screen can be very costly. In addition, the modification of the screen may have an unexpected effect on the Web system. Therefore, UI extension technology has been proposed in order to adapt the screen to changes in business without directly modifying the screen.
- the UI extension technology displays an additional UI without directly modifying the screen of the existing Web system.
- the additional UI is inserted at the end of the DOM (Document Object Model) tree that constitutes the screen of the existing Web system.
- the base UI User Interface
- the base UI is a UI that exists on the screen of an existing Web system.
- this origin UI is displayed on the screen
- the additional UI is displayed on the screen based on the relative coordinates from the origin UI.
- the method of controlling the display of the additional UI as described above may require complicated display and non-display of the additional UI and control of the display position of the additional UI.
- a UI having a scroll area may be searched from the DOM tree of the screen in order to make the additional UI follow the scroll of the UI existing on the screen of the Web system.
- a UI with a scroll area is an example of a UI used to control the display of additional UIs.
- the full search of the UI used for the display control of the additional UI is executed from the root of the DOM tree on the screen.
- the UI search may take a long time. In the worst case, the web system freezes.
- the present application has been made in view of the above, and an object thereof is to efficiently search for a UI used for display control of an additional UI.
- the display control system is the addition in the DOM tree based on the acquisition unit for acquiring the DOM tree of the screen into which the additional UI is inserted and the display condition regarding the display of the additional UI.
- FIG. 1 is an explanatory diagram showing an example of UI extension.
- FIG. 2 is an explanatory diagram showing an example of a typical UI search.
- FIG. 3 is an explanatory diagram showing an example of UI search according to the implementation example.
- FIG. 4A is an explanatory diagram showing an example of display control of an additional UI.
- FIG. 4B is an explanatory diagram showing an example of display control of the additional UI.
- FIG. 4C is an explanatory diagram showing an example of display control of an additional UI.
- FIG. 5 is a diagram showing an example of a display control system according to an embodiment.
- FIG. 6 is a flowchart showing an example of a process for detecting that an additional UI has been inserted, which is executed by the terminal device according to the embodiment.
- FIG. 6 is a flowchart showing an example of a process for detecting that an additional UI has been inserted, which is executed by the terminal device according to the embodiment.
- FIG. 7 is an explanatory diagram showing an example of a typical UI search.
- FIG. 8 is an explanatory diagram showing an example of UI search according to the implementation example.
- FIG. 9 is an explanatory diagram showing an example of information held in the storage unit.
- FIG. 10A is an explanatory diagram showing an example of a search process for searching a UI used for display control of an additional UI.
- FIG. 10B is an explanatory diagram showing an example of a search process for searching a UI used for display control of an additional UI.
- FIG. 11A is an explanatory diagram showing an example of a search process for searching a UI used for display control of an additional UI.
- FIG. 11B is an explanatory diagram showing an example of a search process for searching a UI used for display control of an additional UI.
- FIG. 12A is an explanatory diagram showing an example of a search process for searching a UI used for display control of an additional UI.
- FIG. 12B is an explanatory diagram showing an example of a search process for searching a UI used for display control of an additional UI.
- FIG. 13 is a flowchart showing an example of event processing according to display conditions, which is executed by the terminal device according to the embodiment.
- FIG. 14 is an explanatory diagram showing an example of a screen display when an event occurs.
- FIG. 15 is a flowchart showing an example of event processing according to display conditions, which is executed by the terminal device according to the embodiment.
- FIG. 16 is an explanatory diagram showing an example of a screen display when an event occurs.
- FIG. 17 is a flowchart showing an example of event processing according to display conditions, which is executed by the terminal device according to the embodiment.
- FIG. 18 is an explanatory diagram showing an example of a screen display when an event occurs.
- FIG. 19 is a flowchart showing an example of a process for searching a UI used for display control of an additional UI, which is executed by the terminal device according to the embodiment.
- FIG. 20 is a diagram showing an example of a hardware configuration.
- ditional UI may be referred to as “additional UI”.
- existing UI may be referred to as the "existing UI”.
- One of the UI extension techniques is a Web function extension technique that inserts an additional UI at the end of the DOM tree that constitutes an existing system screen.
- the Web function extension technique can display an additional UI without the influence of directly modifying the screen of an existing Web system.
- FIG. 1 is an explanatory diagram showing an example of UI extension.
- the DOM tree 10 of the screen of the Web system includes the DOM tree 11 of the screen of the existing Web system and the DOM tree 12 of the additional UI.
- the arrow shown in FIG. 1 indicates the correspondence between the DOM tree 10 of the screen and the appearance of the screen.
- the UI of the base point is specified for the additional UI.
- the base UI is a UI that exists in an existing Web system.
- the additional UI is displayed in relative coordinates from the base UI.
- the display control of the additional UI may be required according to the change of the existing UI.
- an existing UI with a change in display mode is searched for for display control of an additional UI.
- the existing UI with a change in display mode is, for example, an existing UI having a scroll area.
- the additional UI (1) does not actually exist as a child of the existing UI (2). Therefore, if the display control of the additional UI is not performed, the additional UI (1) does not follow the scroll of the existing UI (2).
- an existing UI with a change in the display mode is searched.
- Such an existing UI exists in the parent hierarchy of the UI set as the base point of the additional UI, and is a UI with a change in the display mode.
- the existing UI to be searched is an existing UI with a scroll area.
- FIG. 2 is an explanatory diagram showing an example of a typical UI search.
- a typical UI search the UI used for display control is fully searched from the root in order to respond to the dynamic changes in the DOM tree 10. Therefore, the amount of calculation of a typical UI search is enormous, and it corresponds only to the change of the scroll of the parent.
- the existing UI having the scroll area is not under the existing UI (1), but the existing UI (3) and the existing UI (4) are also searched. As described above, in a typical UI search, a useless search occurs. In addition, when the change in the tree is large, the amount of calculation required for searching the UI increases. In the worst case, the existing system will harden.
- the display control system searches for a plurality of UIs used for display control of the additional UI with the UI as the base point as the base point. This allows the display control system to identify an efficient UI with a small amount of calculation.
- FIG. 3 is an explanatory diagram showing an example of UI search according to the implementation example.
- the display control system searches for an existing UI from the UI as a base point toward the parent of the DOM tree 10.
- the existing UI to be searched is an existing UI with a change in display mode, such as an existing UI having a scroll area.
- the change in the display mode may be a change in transparency, size, z-index, or the like.
- the display control system searches the UI from the base UI toward the root, and stores the set of the searched key (base UI or existing UI) and the value (display condition) in the storage area. If the display control system finds a set of keys and values already stored in the storage area, the display control system skips subsequent UI searches. In this way, the display control system can skip unnecessary searches based on the set of keys and values stored in the storage area. Then, the display control system registers the display control process according to the display condition for the event of the existing UI.
- the display control system can reduce the amount of calculation for UI search and speed up the display of UI.
- the display control system can flexibly control the display of the additional UI according to the display conditions set for the additional UI (for example, following the scroll of the parent and following the transparency of the parent). ..
- UI extension technology has been proposed in order to update the business system in a timely manner.
- the UI extension technique for expanding the UI of a business system is discussed in detail in, for example, Patent Document 1 described above.
- the UI extension technology controls the display of the UI added to the screen of the business system.
- FIGS. 4A, 4B and 4C are explanatory views showing an example of display control of an additional UI.
- an additional UI is inserted into the screen 20 of the existing system.
- the screen 20 of the existing system includes the UI 21.
- UI 21 includes UI 22.
- the arrow shown in FIG. 4A indicates the correspondence between the DOM of the screen 20 and the appearance of the screen 20.
- an additional UI is inserted below the UI 22 with the UI 22 as the base point.
- the UI 23 is inserted in the middle of the DOM tree on the screen 20.
- the method of Patent Document 1 reduces the influence on the system by inserting the UI 23 at the end of the DOM tree of the screen 20.
- the display control system according to the embodiment is related to the latter method.
- the label "annotation” is initially displayed as an additional UI (eg, UI23, UI24). Then, a scroll event occurs in UI21. With techniques such as WebMakeup, additional UIs are automatically scrolled. However, in the method of Patent Document 1, since the additional UI is not scrolled as it is, the method of Patent Document 1 needs to detect that the UI 22 has been scrolled and update the display position of the additional UI. ..
- the additional UI follows the scroll event generated in the UI 21 by controlling the display position of the additional UI.
- the additional UI With techniques such as WebMakeup, if the additional UI is outside the scroll area, the additional UI will be automatically hidden.
- the method of Patent Document 1 since the additional UI remains displayed as it is, the method of Patent Document 1 detects that the UI 22 has been scrolled, and the UI as the base point is outside the display area. It requires a hiding process to determine that.
- the UI extension method such as the method of Patent Document 1 may require additional UI display control.
- the display control detects a scrolling event for a UI having a scrolling area existing in an existing system.
- the existing method searches for a UI having a scroll area. More specifically, in the existing method, the UI having the scroll area is completely searched from the root of the DOM tree at the timing when the DOM tree is updated. Then, in the existing method, an event registration process for registering an additional UI display update process at the time of scrolling is performed for the searched UI.
- the UI extension method controls the display of the additional UI according to the change of the existing UI that is the parent of the additional UI hierarchically when the existing UI is accompanied by changes such as scrolling. It may be necessary.
- the existing method searches all the existing UI used for display control from the root of the DOM tree in order to cope with the change of the existing UI.
- the DOM tree is large, the amount of calculation for UI search increases, and the display may be delayed.
- the display control system efficiently searches for an existing UI used for display control of an additional UI, such as a UI having a scroll area. As a result, the display control system can suppress the display delay even when the DOM tree is large.
- FIG. 5 is a diagram showing an example of the display control system 1 according to the embodiment.
- the display control system 1 includes a terminal device 100 and a content providing device 200.
- the display control system 1 may include a plurality of terminal devices 100 and a plurality of content providing devices 200.
- the terminal device 100 and the content providing device 200 are connected to the network N by wire or wirelessly, respectively.
- the network N is, for example, a network such as the Internet, WAN (Wide Area Network), and LAN (Local Area Network).
- the components of the display control system 1 can communicate with each other via the network N.
- the terminal device 100 is an information processing device that executes a process for searching a UI used for display control of an additional UI.
- the terminal device 100 may be any type of information processing device including a client device. A configuration example of the terminal device 100 will be described in detail in the next section.
- the content providing device 200 is an information processing device used by the content provider.
- the content provider provides the content such as the screen of the system to the terminal device 100.
- the content providing device 200 can insert an additional UI into the content.
- the content providing device 200 may be any type of information processing device including a server.
- the terminal device 100 includes a communication unit 110, an input unit 120, an output unit 130, a storage unit 140, and a control unit 150.
- the communication unit 110 is realized by, for example, a NIC (Network Interface Card) or the like.
- the communication unit 110 is connected to the network by wire or wirelessly.
- the communication unit 110 is communicably connected to the content providing device 200 via the network N.
- the communication unit 110 can send and receive information to and from the content providing device 200 via a network.
- the input unit 120 is an input device that receives various operations from the user of the terminal device 100.
- the input unit 120 is realized by a keyboard, a mouse, operation keys, or the like.
- the output unit 130 is a display device for displaying various information.
- the output unit 130 is realized by a liquid crystal display, an organic EL (Electro Luminescence) display, or the like.
- a touch panel is adopted for the terminal device 100, the input unit 120 and the output unit 130 are integrated.
- the storage unit 140 is realized by, for example, a semiconductor memory element such as a RAM (Random Access Memory) or a flash memory (Flash Memory), or a storage device such as a hard disk or an optical disk. As shown in FIG. 4, the storage unit 140 includes a display condition storage unit 141 and an event processing code storage unit 142.
- the display condition storage unit 141 stores the display conditions used for searching the existing UI.
- the display condition storage unit 141 stores the display conditions determined by the search unit 154, which will be described later.
- the display condition storage unit 141 stores the cache of the existing UI searched by the search unit 154, which will be described later, as a display condition.
- Event processing code storage unit 142 stores the event processing code used for the display control of the additional UI.
- the event processing code storage unit 142 stores the event processing code registered by the registration unit 155, which will be described later.
- the control unit 150 is a controller, and for example, various programs (display control programs) stored in a storage device inside the terminal device 100 by a processor such as a CPU (Central Processing Unit) or an MPU (Micro Processing Unit). (Corresponding to one example) is realized by executing RAM or the like as a work area. Further, the control unit 150 may be realized by an integrated circuit such as an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a GPU PPU (General Purpose Graphic Processing Unit).
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- GPU PPU General Purpose Graphic Processing Unit
- the control unit 150 includes a reception unit 151, a detection unit 152, an acquisition unit 153, a search unit 154, a registration unit 155, and a display unit 156, which will be described below. Realize or execute the functions and actions of information processing.
- One or more processors of the terminal device 100 can realize the function of each control unit in the control unit 150 by executing the instruction stored in the one or more memories of the terminal device 100.
- the internal configuration of the control unit 150 is not limited to the configuration shown in FIG. 5, and may be any other configuration as long as it is configured to perform information processing described later.
- the search unit 154 may perform all or part of the information processing described later with respect to the units other than the search unit 154.
- the receiving unit 151 receives content such as a system screen from the content providing device 200.
- the receiving unit 151 may store the received content in the storage unit 140.
- the detection unit 152 detects that an additional UI has been inserted. For example, the detection unit 152 analyzes the content received by the reception unit 151 and detects that an additional UI has been inserted into the content.
- the detection unit 152 detects that an additional UI has been inserted into the system screen from software independent of the system.
- the content providing device 200 may implement this software.
- the detection unit 152 detects that the DOM of the system screen has been changed.
- FIG. 6 is a flowchart showing an example of a process for detecting that an additional UI has been inserted, which is executed by the terminal device 100 according to the embodiment.
- the detection unit 152 of the terminal device 100 determines whether the existing system screen has been changed or an additional UI has been inserted (step S101).
- step S101: No When it is determined that the existing system screen has not been changed and no additional UI has been inserted (step S101: No), the detection unit 152 deletes the data in the storage unit 140 (step S102).
- step S101: Yes When it is determined that the existing system screen has been changed or an additional UI has been inserted (step S101: Yes), the search unit 154 described later searches for the UI used for the display control of the additional UI (step S101: Yes). Step S103). After that, the detection unit 152 waits until the next change.
- the acquisition unit 153 acquires a DOM tree of contents such as a system screen. For example, the acquisition unit 153 acquires the DOM tree of the screen of the system when the detection unit 152 detects that an additional UI has been inserted into the screen.
- the search unit 154 searches for a UI used for display control of an additional UI. For example, search the DOM tree on the screen of the system for an existing UI used to control the display of additional UIs.
- the existing UI is the UI that exists on the screen of the system. This existing UI is used to control the display of the UI added to the system screen.
- the search unit 154 searches for an existing UI in the DOM tree of the screen into which the additional UI is inserted, based on the display conditions regarding the display of the additional UI.
- the display condition is a condition relating to at least one of scrolling, transparency, and resizing of the UI located above the base UI in the DOM tree.
- one or more display conditions for displaying additional UIs are 1) scrolling conditions for UIs above the base UI in the DOM tree, 2) transparency conditions for this UI, and 3) this UI. May include at least one of the conditions for resizing.
- the display condition may be the condition of 1), the condition of 2), the condition of 3), or any combination thereof.
- the display conditions are not limited to these conditions.
- the one or more display conditions may include conditions other than these conditions (for example, conditions relating to z-index).
- the UI search inputs were set to 1) the DOM tree acquired by acquisition unit 153, 2) the existing UI (called the origin UI) that serves as the base point for the display of the additional UI, and 3) the additional UI. It is a display condition.
- the search unit 154 searches for the existing UI used for the display control of the additional UI as information regarding the display control of the additional UI detected by the detection unit 152.
- FIG. 7 is an explanatory diagram showing an example of a typical UI search.
- the DOM tree of the system screen includes the DOM tree 31 of the existing system screen and the DOM tree 32 of the additional UI.
- a typical UI search searches the DOM tree of an existing system screen completely from the system screen root.
- a typical UI search executes a full search for an existing UI having a scroll area.
- the existing UI is used as a key to store the display condition in the storage device.
- a useless search may be executed, and the search efficiency is poor.
- the search of this existing UI is an unnecessary search.
- this existing UI is irrelevant to the display control process of the additional UI. Therefore, the search for this existing UI is essentially unnecessary.
- FIG. 8 is an explanatory diagram showing an example of UI search according to the implementation example.
- the DOM tree of the system screen includes the DOM tree 31 of the existing system screen and the DOM tree 32 of the additional UI.
- the UI search according to the implementation example searches for the existing UI related to the display control process of the additional UI from the base UI, not from the system screen root.
- the UI search related to the implementation example searches the existing UI related to the display control process from the base UI toward the parent.
- the search unit 154 finds 1) the system screen route, 2) the base UI under the same conditions, or 3) the existing UI that has been searched under the same conditions, the search unit 154 searches. To finish.
- the search unit 154 executes the processes of 1), 2) and 3) from all the base point UIs. Then, using the existing UI as a key, the display conditions corresponding to the display control process are stored in the storage unit 140. As a result, the search unit 154 can eliminate the search for the existing UI, which is irrelevant to the display control process of the additional UI, and thereby improve the search efficiency.
- FIG. 9 is an explanatory diagram showing an example of information held in the storage unit 140.
- the search unit 154 stores the display condition in the display condition storage unit 141 in the storage unit 140.
- the display condition 43 is an example of the display condition stored in the display condition storage unit 141.
- the search unit 154 can register a plurality of conditions for one key.
- the DOM tree of the system screen includes the DOM tree 41 of the existing system screen and the DOM tree 42 of the additional UI.
- the DOM tree 41 of the existing system screen includes a plurality of base point UIs and a plurality of existing UIs.
- the DOM tree 42 of the additional UI includes the additional UI (1) and the additional UI (2).
- the existing UI (1) among the plurality of existing UIs has a scroll area. Further, the transparency is set to the existing UI (1).
- the existing UI (2) among the plurality of existing UIs has a scroll area.
- the base point UI-A among the plurality of base point UIs is set as the base point UI from the additional UI (1) and the additional UI (2).
- the condition set in the additional UI (1) is to follow the scroll of the parent.
- the condition set in the additional UI (2) is to follow the transparency of the parent.
- the search unit 154 searches the existing UI corresponding to the condition set in the additional UI from the base UI. Then, the search unit 154 stores the display condition in the display condition storage unit 141 by using the searched base point UI as a key.
- FIGS. 10A and 10B are explanatory views showing an example of a search process for searching a UI used for display control of an additional UI.
- the conditions of the additional UI are the same.
- the display conditions set in the additional UI (1) are the same as the display conditions set in the additional UI (2).
- the search unit 154 searches for the UI corresponding to the display condition from the base point UI toward the root of the system screen. Then, the search unit 154 skips the existing UI that has already been searched and has the same conditions.
- the system screen 51 includes the existing UI (1).
- the existing UI (1) includes the existing UI (2) and the existing UI (4).
- the existing UI (2) includes an existing UI (3), a base UI (2) and an additional UI (2).
- the existing UI (3) includes a base UI (1) and an additional UI (1).
- the existing UI (1), the existing UI (2), and the existing UI (3) have a scroll area.
- the existing UI (4) does not have a scroll area.
- the search unit 154 detects that the additional UI (1) has been added to the existing system screen (step S11).
- the condition set in the additional UI (1) is to follow the scroll of the parent.
- the DOM tree of the additional UI is inserted at the end of the DOM tree of the existing system screen.
- the search unit 154 acquires the DOM tree of the existing system screen (step S12).
- the search unit 154 acquires the base point UI of the additional UI (1) (step S13).
- the search unit 154 acquires the base point UI (1).
- the search unit 154 is set to the additional UI (1) by using the base point UI (1) as a key in the storage unit (for example, the display condition storage unit 141 in the storage unit 140). Store the condition.
- the search unit 154 searches for the UI having the scroll area toward the system screen route (step S14).
- the route from the base UI (1) to the system screen route includes the existing UI (1), the existing UI (2), and the existing UI (3). These existing UIs have a scroll area. Therefore, the search unit 154 uses the existing UI (1), the existing UI (2), and the existing UI (3) as keys, and stores the condition of "having a scroll area" in the storage unit.
- the storage unit stores the display condition 52.
- the search unit 154 detects that the additional UI (2) has been added to the existing system screen (step S15).
- the condition set in the additional UI (2) is to follow the scroll of the parent.
- the search unit 154 acquires the base point UI of the additional UI (2) (step S16).
- the search unit 154 acquires the base point UI (2).
- the search unit 154 acquires the DOM tree of the existing system screen (step S17).
- the search unit 154 searches for the UI having the scroll area toward the system screen route.
- the storage unit at the start of the search stores the display condition 52.
- the existing UI (2) is located at the parent of the base UI (2). Since the existing UI (2) including the same conditions is registered in the storage unit, the search unit 154 ends the subsequent search (step S18).
- FIGS. 11A and 11B are explanatory views showing an example of a search process for searching a UI used for display control of an additional UI.
- the conditions of the additional UI are the same, and a plurality of base points are in a parent-child relationship.
- the search unit 154 skips the subsequent search.
- the system screen 53 includes the existing UI (1).
- the existing UI (1) includes the existing UI (2) and the existing UI (4).
- the existing UI (2) includes a base UI (1), an existing UI (3) and an additional UI (1).
- the base UI (1) includes a base UI (2) and an additional UI (2).
- the existing UI (1), the existing UI (2), and the base point UI (1) have a scroll area.
- the existing UI (4) does not have a scroll area.
- the search unit 154 detects that the additional UI (1) has been added to the existing system screen (step S21).
- the condition set in the additional UI (1) is to follow the scroll of the parent.
- the search unit 154 acquires the DOM tree of the existing system screen (step S22).
- the search unit 154 acquires the base point UI of the additional UI (1) (step S23).
- the search unit 154 acquires the base point UI (1).
- the search unit 154 is set to the additional UI (1) by using the base point UI (1) as a key in the storage unit (for example, the display condition storage unit 141 in the storage unit 140). Store the condition.
- the search unit 154 searches for a UI having a scroll area toward the system screen route (step S24).
- the route from the base UI (1) to the system screen route includes the existing UI (1) and the existing UI (2). These existing UIs have a scroll area. Therefore, the search unit 154 uses the existing UI (1) and the existing UI (2) as keys, and stores the condition of "having a scroll area" in the storage unit.
- the storage unit stores the display condition 54.
- the search unit 154 detects that the additional UI (2) has been added to the existing system screen (step S25).
- the condition set in the additional UI (2) is to follow the scroll of the parent.
- the search unit 154 acquires the base point UI of the additional UI (2) (step S26).
- the search unit 154 acquires the base point UI (2).
- the search unit 154 acquires the DOM tree of the existing system screen (step S27).
- the search unit 154 searches for the UI having the scroll area toward the system screen route.
- the storage unit at the start of the search stores the display condition 54.
- the base point UI (1) is located at the parent of the base point UI (2). Since the base point UI (1) including the same conditions is registered in the storage unit, the search unit 154 ends the subsequent search (step S28).
- FIGS. 12A and 12B are explanatory views showing an example of a search process for searching a UI used for display control of an additional UI.
- the additional UI has a plurality of conditions.
- the system screen 55 includes the existing UI (1).
- the existing UI (1) includes the existing UI (2) and the existing UI (4).
- the existing UI (2) includes an existing UI (3), a base UI (2) and an additional UI (2).
- the existing UI (3) includes a base UI (1) and an additional UI (1).
- the existing UI (1), the existing UI (2), and the existing UI (3) have a scroll area. Further, the existing UI (3) has transparency. On the other hand, the existing UI (4) does not have a scroll area.
- the search unit 154 detects that the additional UI (1) has been added to the existing system screen (step S31).
- the conditions set in the additional UI (1) are to follow the scroll of the parent and to follow the transparency of the parent.
- the search unit 154 acquires the DOM tree of the existing system screen (step S32).
- the search unit 154 acquires the base point UI of the additional UI (1) (step S33).
- the search unit 154 acquires the base point UI (1).
- the search unit 154 is set to the additional UI (1) by using the base point UI (1) as a key in the storage unit (for example, the display condition storage unit 141 in the storage unit 140). Store the condition.
- the search unit 154 searches for a UI having a scroll area toward the system screen route (step S34).
- the route from the base UI (1) to the system screen route includes the existing UI (3), the existing UI (2), and the existing UI (1).
- These existing UIs have scroll areas and transparency. Therefore, the search unit 154 uses the existing UI (1), the existing UI (2), and the existing UI (3) as keys, and sets the condition of "having a scroll area" and the condition of "having transparency”.
- the storage unit stores the display condition 56.
- the search unit 154 detects that the additional UI (2) has been added to the existing system screen (step S35).
- the condition set in the additional UI (2) is to follow the scroll of the parent.
- the search unit 154 acquires the base point UI of the additional UI (2) (step S36).
- the search unit 154 acquires the base point UI (2).
- the search unit 154 acquires the DOM tree of the existing system screen (step S37).
- the search unit 154 searches for the UI having the scroll area toward the system screen route.
- the storage unit at the start of the search stores the display condition 56.
- the existing UI (2) is located at the parent of the base UI (2). Since the existing UI (2) including the same conditions is registered in the storage unit, the search unit 154 ends the subsequent search (step S38).
- the registration unit 155 registers the event processing used for the display control of the additional UI with respect to the UI searched by the search unit 154.
- the registration unit 155 registers an event according to the display condition of the existing UI.
- the registration unit 155 may store the event processing code used for the display control of the additional UI in the event processing code storage unit 142.
- the display unit 156 is realized by executing the above-mentioned event processing code with the RAM as a work area by, for example, a CPU, an MPU, or the like.
- the above-mentioned event processing code causes the terminal device 100 to execute an event processing procedure according to the display condition.
- the display unit 156 is realized by the event processing procedure.
- FIG. 13 is a flowchart showing an example of event processing according to display conditions, which is executed by the terminal device 100 according to the embodiment.
- the display condition is to follow the scroll. If scrolling occurs in an existing UI, the additional UI will follow this scroll and the display position of the additional UI will be modified.
- the display unit 156 detects that a scroll event has occurred (step S201). When the events occur continuously in a short time, the display unit 156 waits until the last event that occurs (step S202).
- the display unit 156 extracts the base point UI of the display condition (that is, following the scroll) from the base point UI under the DOM tree of the existing UI in which scrolling has occurred with the corresponding additional UI (step). S203).
- the display unit 156 determines whether or not the processing of all the extracted base point UIs has been completed (step S204).
- step S204 When it is determined that the processing of all the extracted base point UIs has not been completed (step S204: No), the display unit 156 determines whether or not the base point UI exists in the display area (step S205).
- step S205 When it is determined that the base point UI does not exist in the display area (step S205: No), the display unit 156 hides the additional UI corresponding to the base point UI (step S206). Then, the display unit 156 executes step S204 again.
- step S205 When it is determined that the base point UI exists in the display area (step S205: Yes), the display unit 156 corrects the display position of the additional UI corresponding to the base point UI by the scroll amount of the existing UI, and adds the additional UI. Display (step S207). Then, the display unit 156 executes step S204 again.
- step S204 When it is determined in step S204 that the processing of all the extracted base point UIs is completed (step S204: Yes), the event processing according to the display conditions ends.
- FIG. 14 is an explanatory diagram showing an example of a screen display when an event occurs. Similar to the case of FIG. 13, in the example of FIG. 14, the display condition is to follow the scroll.
- the additional UI is inserted in the screen 61.
- the base UI is set to the additional UI.
- the base point UI is under the existing UI (1) and the existing UI (2).
- the event processing described above with reference to FIG. 13 is registered by the registration unit 155.
- the system screen changes from screen 61 to screen 62.
- the display position of the additional UI is modified according to the event processing, as shown on the screen 62. Therefore, event processing can prevent the additional UI from being left behind.
- FIG. 15 is a flowchart showing an example of event processing according to display conditions, which is executed by the terminal device 100 according to the embodiment.
- the display condition is to follow the transparency. If a change in transparency occurs in an existing UI, the additional UI will follow this change in transparency and the display of the additional UI will be modified.
- the display unit 156 detects that an event of change in transparency has occurred (step S301). When the events occur continuously in a short time, the display unit 156 waits until the last event that occurs (step S302).
- the display unit 156 sets the base point UI of the display condition (that is, follow-up to the transparency) with the corresponding additional UI from the base point UI under the DOM tree of the existing UI in which the change in transparency has occurred. Extract (step S303).
- Step S304, step S305 and step S306 are the same as step S204, step S205 and step S206 in FIG. Overlapping description is omitted here.
- step S305 When it is determined that the base point UI exists in the display area (step S305: Yes), the display unit 156 corrects the transparency value of the additional UI corresponding to the base point UI to the transparency value of the existing UI. , Display the additional UI (step S307). Then, the display unit 156 executes step S304 again.
- step S304 When it is determined in step S304 that the processing of all the extracted base point UIs is completed (step S304: Yes), the event processing according to the display conditions ends.
- FIG. 16 is an explanatory diagram showing an example of a screen display when an event occurs. Similar to the case of FIG. 15, in the example of FIG. 16, the display condition is to follow the transparency.
- the additional UI is inserted in the screen 63.
- the base UI is set to the additional UI.
- the base point UI is under the existing UI (1) and the existing UI (2).
- the existing UI (3) is also under the control of the existing UI (1) and the existing UI (2).
- the event processing described above with reference to FIG. 15 is registered by the registration unit 155.
- the colors of the existing UI (3) and the base point UI also change.
- the event processing is not registered, the color of the existing UI (3) around the additional UI changes depending on the transparency of the existing UI (2), but the color of the additional UI does not change. In such a case, the additional UI will be displayed floating.
- the system screen changes from screen 63 to screen 64. Event processing is applied and the additional UI is displayed naturally. Therefore, the event processing can prevent the additional UI from floating on the system screen.
- FIG. 17 is a flowchart showing an example of event processing according to display conditions, which is executed by the terminal device 100 according to the embodiment.
- the display condition is to follow the size change. If a resizing occurs on an existing UI, the additional UI will follow this resizing and the display of the additional UI will be modified.
- the display unit 156 detects that a size change event has occurred (step S401). When the events occur continuously in a short time, the display unit 156 waits until the last event that occurs (step S402).
- the display unit 156 extracts the base point UI of the display condition (that is, following the size change) from the base point UI under the DOM tree of the existing UI in which the size change has occurred, with the corresponding additional UI. (Step S403).
- Step S404, step S405 and step S406 are the same as step S204, step S205 and step S206 in FIG. Here, duplicate explanations are omitted.
- step S405 When it is determined that the base point UI exists in the display area (step S405: Yes), the display unit 156 displays an additional UI corresponding to the base point UI (step S407). Then, the display unit 156 executes step S404 again.
- step S404 When it is determined in step S404 that the processing of all the extracted base point UIs is completed (step S404: Yes), the event processing according to the display conditions ends.
- FIG. 18 is an explanatory diagram showing an example of a screen display when an event occurs. Similar to the case of FIG. 17, in the example of FIG. 18, the display condition is to follow the size change. An additional UI is inserted in the screen 65. Also, the base UI is set to the additional UI. In the DOM tree of the screen 65, the base point UI is under the existing UI (1) and the existing UI (2).
- the event processing described above with reference to FIG. 17 is registered by the registration unit 155.
- the system screen changes from the screen 65 to the screen 66.
- the base point UI is outside the display area.
- the additional UI is set to be hidden according to the event processing, as shown on the screen 65.
- FIG. 19 is a flowchart showing an example of a process for searching a UI used for display control of an additional UI, which is executed by the terminal device 100 according to the embodiment.
- the acquisition unit 153 of the terminal device 100 acquires the condition of the added UI (step S501). More specifically, the acquisition unit 153 acquires the display conditions of the added UI (that is, the above-mentioned additional UI).
- the acquisition unit 153 acquires and returns the DOM tree of the existing system screen (step S502).
- the search unit 154 of the terminal device 100 acquires the base point UI set in the added UI from the DOM tree on the existing system screen (step S503).
- the base point UI is a UI that serves as a base point for displaying the added UI.
- the search unit 154 additionally saves the condition of the added UI in the storage unit 140 using the base point UI as a key (step S504). More specifically, the search unit 154 uses the base point UI as a key and stores the display condition of the added UI in the display condition storage unit 141.
- the search unit 154 sets the base point UI to the current UI (step S505).
- the search unit 154 sets the base point UI to the search point.
- the base point UI corresponds to the search starting point.
- the search unit 154 acquires the existing UI located in the parent of the current UI (step S506).
- the search unit 154 determines whether the acquired existing UI is the system screen root (step S507). When it is determined that the acquired existing UI is the system screen root (step S507: Yes), the process for searching the UI used for the display control of the additional UI ends.
- the search unit 154 determines whether the existing UI exists in the storage unit 140 (step S508). More specifically, the search unit 154 determines whether the existing UI is stored as a key in the display condition storage unit 141.
- the search unit 154 acquires a list of conditions from the storage unit 140 using the existing UI as a key (step S509).
- the list of conditions is, for example, display conditions such as "having a scroll area" and "transparency is set”.
- the search unit 154 determines whether the added UI condition is included in the acquired condition list (step S510).
- the search unit 154 determines whether the existing UI matches the added condition (step S510: No). Step S511). As an example, when the condition of the added UI is "follow the scroll of the parent", the search unit 154 determines whether the existing UI has a scroll area.
- step S508 When it is determined in step S508 that the existing UI does not exist in the storage unit 140 (step S508: No), the process for searching the UI used for the display control of the additional UI proceeds to step S511. ..
- the search unit 154 When it is determined that the existing UI matches the added condition (step S511: Yes), the search unit 154 additionally saves the added UI condition in the storage unit 140 using the existing UI as a key (step). S512). As an example, when the condition of the added UI is "follow the scroll of the parent" and the existing UI has a scroll area, the search unit 154 displays "has a scroll area" associated with this existing UI. The condition is stored in the display condition storage unit 141.
- the registration unit 155 of the terminal device 100 registers an event according to the condition in the existing UI (step S513).
- the registration unit 155 registers the event processing used for the display control of the added UI for the event (for example, scroll) of the existing UI.
- the registration unit 155 stores the event processing code when a specific event (for example, scrolling) occurs in the event processing code storage unit 142.
- the search unit 154 of the terminal device 100 sets the existing UI to the current UI (step S514). Then, the search unit 154 executes step S506 again.
- step S510 when it is determined that the condition of the added UI is included in the list of acquired conditions (step S510: Yes), the process for searching the UI used for the display control of the additional UI. Ends.
- the display control system 1 has an acquisition unit 153 and a search unit 154.
- the acquisition unit 153 acquires the DOM tree of the screen into which the additional UI is inserted. Further, in the display control system 1 according to the embodiment, the search unit 154 changes the additional UI from the base point UI which is the base point of the display of the additional UI in the DOM tree based on the display condition regarding the display of the additional UI. Search for the UI used for display control.
- the display control system 1 can efficiently search for the UI used for the display control of the additional UI.
- the search unit 154 recursively searches for the UI used for the display control of the additional UI from the base point UI toward the root of the DOM tree, and searches for the base point UI.
- the display condition is stored in a predetermined storage device (eg, display condition storage unit 141), and the searched UI is used as a key to store the display condition in this predetermined storage device. ..
- the display control system 1 greatly reduces unnecessary searches for the existing UI search used for the display control of the additional UI used in the UI extension, and makes an efficient search. It can be realized.
- the acquisition unit 153 acquires the DOM tree of the screen inserted by the other additional UI in addition to the additional UI.
- the search unit 154 matches the display conditions related to the display of other additional UIs with the display conditions stored in the predetermined storage device (for example, the display condition storage unit 141). If so, end the search for the UI used for other additional display controls.
- the display control system 1 can speed up the display of the additional UI and reduce the load when applying the UI extension to the screen.
- the display condition regarding the display of the additional UI is a condition regarding at least one of scrolling, transparency, and resizing of the UI located above the base UI in the DOM tree. ..
- the display control system 1 controls the display of additional UI according to the display status of the parent element that was not the target of display control, such as transparency, resizing, or z-index. Can be done. Therefore, the display control system 1 can display the additional UI more naturally on the existing system.
- the display control system 1 has a detection unit 152 for detecting that an additional UI has been inserted into the screen. Further, in the display control system 1 according to the embodiment, the acquisition unit 153 acquires the DOM tree of the screen when the detection unit 152 detects that an additional UI has been inserted into the screen.
- the display control system 1 can control the display of the additional UI even when the UI is dynamically added.
- the display control system 1 according to the above-described embodiment may be implemented in various different forms other than the above-mentioned embodiment. Therefore, in the following, another embodiment of the above-mentioned display control system 1 will be described.
- the content providing device 200 may execute all or a part of the processing executed by the terminal device 100 in the above-described embodiment.
- the content providing device 200 may perform all or part of the above-mentioned information processing with respect to the receiving unit 151, the detecting unit 152, the acquiring unit 153, the searching unit 154, and the registration unit 155.
- the content providing device 200 may receive content from another content providing device. Then, the content providing device 200 may use the received content to perform the above-mentioned information processing on the detection unit 152, the acquisition unit 153, the search unit 154, and the registration unit 155.
- the content providing device 200 may generate the above-mentioned event processing code and provide the content to the terminal device 100 together with the generated event processing code.
- the above-mentioned information processing may be performed on the display unit 156 based on the content provided from the terminal device 100 and the content providing device 200 and the event processing code.
- the display control system 1 includes a terminal device 100 and a content providing device 200.
- the content providing device 200 may share a part of the above-mentioned information processing with respect to the receiving unit 151, the detecting unit 152, the acquiring unit 153, the searching unit 154, and the registration unit 155.
- each component of each device shown in the figure is a functional concept, and does not necessarily have to be physically configured as shown in the figure. That is, the specific form of distribution / integration of each device is not limited to the one shown in the figure, and all or part of them may be functionally or physically distributed / physically in any unit according to various loads and usage conditions. Can be integrated and configured.
- a part or all of the storage unit 140 shown in FIG. 5 may not be held by the terminal device 100, but may be held by a storage server or the like.
- the terminal device 100 acquires various information such as display conditions by accessing the storage server.
- FIG. 20 is a diagram showing an example of a hardware configuration.
- the terminal device 100 and the content providing device 200 according to the above-described embodiment are realized by, for example, a computer 1000 having a configuration as shown in FIG.
- FIG. 20 shows an example of a computer in which a terminal device 100 and a content providing device 200 are realized by executing a program.
- the computer 1000 has, for example, a memory 1010 and a CPU 1020.
- the computer 1000 also has a hard disk drive interface 1030, a disk drive interface 1040, a serial port interface 1050, a video adapter 1060, and a network interface 1070. Each of these parts is connected by a bus 1080.
- the memory 1010 includes a ROM (Read Only Memory) 1011 and a RAM 1012.
- the ROM 1011 stores, for example, a boot program such as a BIOS (Basic Input Output System).
- BIOS Basic Input Output System
- the hard disk drive interface 1030 is connected to the hard disk drive 1090.
- the disk drive interface 1040 is connected to the disk drive 1100.
- a removable storage medium such as a magnetic disk or an optical disk is inserted into the disk drive 1100.
- the serial port interface 1050 is connected to, for example, a mouse 1110 and a keyboard 1120.
- the video adapter 1060 is connected to, for example, the display 1130.
- the hard disk drive 1090 stores, for example, an OS (Operating System) 1091, an application program 1092, a program module 1093, and program data 1094. That is, the program that defines each process of the terminal device 100 and the content providing device 200 is implemented as a program module 1093 in which a code that can be executed by the computer 1000 is described.
- the program module 1093 is stored in, for example, the hard disk drive 1090.
- the program module 1093 for executing the same processing as the functional configuration in the terminal device 100 and the content providing device 200 is stored in the hard disk drive 1090.
- the hard disk drive 1090 may be replaced by an SSD (Solid State Drive).
- the setting data used in the processing of the above-described embodiment is stored as program data 1094 in, for example, a memory 1010 or a hard disk drive 1090. Then, the CPU 1020 reads the program module 1093 and the program data 1094 stored in the memory 1010 and the hard disk drive 1090 into the RAM 1012 and executes them as needed.
- the program module 1093 and the program data 1094 are not limited to those stored in the hard disk drive 1090, but may be stored in, for example, a removable storage medium and read by the CPU 1020 via the disk drive 1100 or the like. Alternatively, the program module 1093 and the program data 1094 may be stored in another computer connected via a network (LAN, WAN, etc.). Then, the program module 1093 and the program data 1094 may be read from another computer by the CPU 1020 via the network interface 1070.
- LAN local area network
- WAN wide area network
- section, module, unit can be read as “means” or “circuit”.
- search unit can be read as a search means or a search circuit.
- Display control system 100 Terminal device 110 Communication unit 120 Input unit 130 Output unit 140 Storage unit 141 Display condition storage unit 142 Event processing code storage unit 150 Control unit 151 Reception unit 152 Detection unit 153 Acquisition unit 154 Search unit 155 Registration unit 156 Display Department 200 Content providing device
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Abstract
Description
本節では、本明細書に記載されるいくつかの実装形態の概要について説明する。なお、この概要は、読者の便宜のために提供されるものであって、本発明や、以下の節で説明される実施形態を限定することを意図するものではない。
今日、様々なシステムが、業務に使用されている。業務の実態は日々変化するため、業務の実態に合わせて業務システムをアップデートすることは、重要なことである。例えば、新規メニューが、サービスに追加されたものとする。この例では、もし、業務システムが新規メニューに対応していなければ、業務システムのユーザは、業務システム上で、新規メニューに関する業務を遂行することができない。
次に、図5を参照して、実施形態に係る表示制御システムの構成例について説明する。
端末装置100は、追加のUIの表示制御に使用されるUIを探索するための処理を実行する情報処理装置である。端末装置100は、クライアント装置を含む、任意のタイプの情報処理装置であってもよい。端末装置100の構成例は、次の節で詳述される。
次に、端末装置100の構成例について説明する。
通信部110は、例えば、NIC(Network Interface Card)等によって実現される。通信部110は、有線または無線によりネットワーク網と接続される。通信部110は、コンテンツ提供装置200に、ネットワークNを介して、通信可能に接続される。通信部110は、コンテンツ提供装置200との間で、ネットワーク網を介して、情報の送受信を行うことができる。
入力部120は、端末装置100のユーザから各種操作を受け付ける入力装置である。例えば、入力部120は、キーボードやマウスや操作キー等によって実現される。
出力部130は、各種情報を表示するための表示装置である。例えば、出力部130は、液晶ディスプレイ、有機EL(Electro Luminescence)ディスプレイ等によって実現される。なお、端末装置100にタッチパネルが採用される場合には、入力部120と出力部130とは一体化される。
記憶部140は、例えば、RAM(Random Access Memory)、フラッシュメモリ(Flash Memory)等の半導体メモリ素子、または、ハードディスク、光ディスク等の記憶装置によって実現される。図4に示されるように、記憶部140は、表示条件記憶部141と、イベント処理コード記憶部142とを有する。
表示条件記憶部141は、既存のUIを探索するために使用される表示条件を記憶する。表示条件記憶部141は、後述する探索部154によって決定された表示条件を記憶する。表示条件記憶部141は、後述する探索部154によって探索された既存のUIのキャッシュを、表示条件として記憶する。
イベント処理コード記憶部142は、追加のUIの表示制御に使用されるイベント処理コードを記憶する。イベント処理コード記憶部142は、後述する登録部155によって登録されたイベント処理コードを記憶する。
制御部150は、コントローラ(controller)であり、例えば、CPU(Central Processing Unit)、MPU(Micro Processing Unit)等のプロセッサによって、端末装置100内部の記憶装置に記憶されている各種プログラム(表示制御プログラムの一例に相当)がRAM等を作業領域として実行されることにより実現される。また、制御部150は、例えば、ASIC(Application Specific Integrated Circuit)、FPGA(Field Programmable Gate Array)、GPGPU(General Purpose Graphic Processing Unit)等の集積回路により実現されてもよい。
受信部151は、コンテンツ提供装置200から、システムの画面等のコンテンツを受信する。受信部151は、受信されたコンテンツを、記憶部140に格納してもよい。
検知部152は、追加のUIが挿入されたことを検知する。例えば、検知部152は、受信部151によって受信されたコンテンツを解析し、追加のUIがコンテンツに挿入されたことを検知する。
取得部153は、システムの画面等のコンテンツのDOMツリーを取得する。例えば、取得部153は、検知部152が追加のUIが画面に挿入されたことを検知した場合に、システムの画面のDOMツリーを取得する。
探索部154は、追加のUIの表示制御に使用されるUIを探索する。例えば、システムの画面のDOMツリーから、追加のUIの表示制御に使用される既存のUIを探索する。既存のUIは、システムの画面に存在するUIである。この既存のUIは、システムの画面に追加されたUIの表示制御に使用される。
登録部155は、探索部154によって探索されたUIに対して、追加のUIの表示制御に使用されるイベント処理を登録する。登録部155は、既存のUIの表示条件に応じたイベントを登録する。登録部155は、追加のUIの表示制御に使用されるイベント処理コードを、イベント処理コード記憶部142に格納してもよい。
表示部156は、例えば、CPUやMPU等によって、上述のイベント処理コードがRAMを作業領域として実行されることにより実現される。例えば、上述のイベント処理コードは、表示条件に応じたイベント処理手順を、端末装置100に実行させる。この場合、表示部156は、イベント処理手順により実現される。
次に、図19を参照して、実施形態に係る端末装置100による探索処理の手順について説明する。
上述してきたように、実施形態に係る表示制御システム1は、取得部153と、探索部154とを有する。
上述の実施形態に係る表示制御システム1は、上述の実施形態以外にも、種々の異なる形態で実施されてよい。そこで、以下では、上記の表示制御システム1の他の実施形態について説明する。
コンテンツ提供装置200は、上述の実施形態において端末装置100によって実行された処理の全部または一部を実行してもよい。例えば、コンテンツ提供装置200は、受信部151、検知部152、取得部153、探索部154、登録部155に関して上述した情報処理の全部または一部を行ってもよい。
また、上記実施形態において説明した各処理のうち、自動的に行われるものとして説明した処理の一部を手動的に行うこともできる。あるいは、手動的に行われるものとして説明した処理の全部または一部を公知の方法で自動的に行うこともできる。この他、上記文書中や図面中で示した処理手順、具体的名称、各種のデータやパラメータを含む情報については、特記する場合を除いて任意に変更することができる。例えば、各図に示した各種情報は、図示した情報に限られない。
図20は、ハードウェア構成の一例を示す図である。上述してきた実施形態に係る端末装置100やコンテンツ提供装置200は、例えば図20に示すような構成のコンピュータ1000によって実現される。
100 端末装置
110 通信部
120 入力部
130 出力部
140 記憶部
141 表示条件記憶部
142 イベント処理コード記憶部
150 制御部
151 受信部
152 検知部
153 取得部
154 探索部
155 登録部
156 表示部
200 コンテンツ提供装置
Claims (7)
- 追加のUIが挿入された画面のDOMツリーを取得する取得部と、
前記追加のUIの表示に関する表示条件に基づいて、前記DOMツリーにおいて、前記追加のUIの表示の基点となる基点UIから、前記追加のUIの表示制御に使用されるUIを探索する探索部と
を備えることを特徴とする表示制御システム。 - 前記探索部は、前記追加のUIの表示制御に使用されるUIを、前記基点UIから、前記DOMツリーのルートに向かって再帰的に探索し、前記基点UIをキーとして使用して、前記表示条件を、所定の記憶装置に格納し、探索されたUIをキーとして使用して、前記表示条件を、当該所定の記憶装置に格納する
ことを特徴とする請求項1に記載の表示制御システム。 - 前記取得部は、他の追加のUIが、前記追加のUIに加えて挿入された前記画面の前記DOMツリーを取得し、
前記探索部は、前記他の追加のUIの表示に関する表示条件が、前記所定の記憶装置に記憶された表示条件と一致する場合に、前記他の追加の表示制御に使用されるUIの探索を終了する
ことを特徴とする請求項2に記載の表示制御システム。 - 前記追加のUIの表示に関する表示条件は、前記DOMツリーにおいて前記基点UIより上位に位置するUIのスクロール、透明度及びサイズ変更のうちの少なくとも1つに関する条件である
ことを特徴とする請求項1~3のうちいずれか1つに記載の表示制御システム。 - 前記追加のUIが前記画面に挿入されたことを検知する検知部をさらに備え、
前記取得部は、前記検知部が前記追加のUIが前記画面に挿入されたことを検知した場合に、前記画面のDOMツリーを取得する
ことを特徴とする請求項1~4のうちいずれか1つに記載の表示制御システム。 - コンピュータが実行する表示制御方法であって、
追加のUIが挿入された画面のDOMツリーを取得する取得工程と、
前記追加のUIの表示に関する表示条件に基づいて、前記DOMツリーにおいて、前記追加のUIの表示の基点となる基点UIから、前記追加のUIの表示制御に使用されるUIを探索する探索工程と
を含むことを特徴とする表示制御方法。 - 追加のUIが挿入された画面のDOMツリーを取得する取得手順と、
前記追加のUIの表示に関する表示条件に基づいて、前記DOMツリーにおいて、前記追加のUIの表示の基点となる基点UIから、前記追加のUIの表示制御に使用されるUIを探索する探索手順と
をコンピュータに実行させることを特徴とする表示制御プログラム。
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