tailieunhanh - BeginningMac OS X Tiger Dashboard Widget Development 2006 phần 8

Như tên cho thấy, Simon Whitaker của Amazon Album Nghệ thuật widget có thể lấy tác phẩm nghệ thuật album từ Amazon cho bạn. Hơn nữa, nó đơn giản hóa quá trình hướng dẫn sử dụng từ đầu bằng cách nhận được danh sách theo dõi từ iTunes và tìm kiếm Amazon cho album chỉ với một nhấp chuột vào nút. | Chapter 15 Figure 15-1 Amazon Album Art As the name indicates Simon Whitaker s Amazon Album Art widget is able to retrieve album artwork from Amazon for you. Moreover it simplifies the manual process from the beginning by getting the track listing from iTunes and searching Amazon for the album with just a button click. In practice you can display Dashboard when a track is playing that you know you don t have the artwork for click the iTunes button add the album art to the track and close Dashboard. The Interface Like a couple of the other widgets that we ve looked at the Amazon Album Art widget has a minimized interface Figure 15-2 in addition to a full-sized view displaying the artwork that you are searching for and a back side panel. The real advantage for small screens and laptop users is that you can leave the widget open all of the time without it taking up too much screen real estate. Figure 15-2 226 Amazon Album Art Clicking the info button displays the preferences on the back side of the widget Figure 15-3 . The options let you select from a Preferred Amazon store that is a store related to the country in which you live. The Search for menu lets you select between popular and classical music. The Operate on menu allows you to apply the set as album art action to the currently playing track the whole album or the current selection. You can also choose to save small images 240 X 240 to iTunes and use a local proxy server to connect to the iTunes Music Store. Figure 15-3 You can query iTunes for the currently playing track by clicking the small iTunes icon Figure 15-4 . Amazon Album Art gets the track information from iTunes and then searches Amazon to get the cover art for the album. Figure 15-4 When the widget finds the cover art it expands to display the art in the lower portion of the widget Figure 15-5 . Figure 15-5 227 Chapter 15 If you want to set the cover art for the track that is currently playing or for the whole album you can click the Set as album