April 2007
Intermediate to advanced
511 pages
12h 4m
English
Content preview from Programming Firefox
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Chapter 4. Configuring for Chrome and a Server
In this chapter, we will move our application from its home in a test directory to a setting that is more consistent with commercial implementations.
We will create two key pieces for implementing our application:
A local XUL application communicating with a Personal Hypertext Processor (PHP) server
A remote XUL application being served by PHP scripts
Both implementations will use an SQL database to hold user and password information to conduct the authentication process. Figure 4-1 shows a block diagram illustrating the relationship of the main elements of our design.
Figure 4-1. NewsSearch information flow
Chrome Overview
This book uses the term XUL application to describe our NewsSearch project. This differs from conventional web applications that are designed to be served web pages that are rendered by web browsers. A XUL application, however, can be implemented as a page served to a XUL-capable browser, or it can be configured to run as an application local to the user’s machine. In the case of the latter, the files that comprise the application (JavaScript source, stylesheets, datafiles) are installed in a chrome directory and run as a chrome URL.
To date, the most popular XUL applications, such as the Firefox browser, Thunderbird mailer, and Sunbird calendar, are implemented as bundled applications running from the user’s chrome directory. ...
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