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Rapid Application Development with Mozilla Paperback – Nov 25 2003


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Product Details

  • Paperback: 800 pages
  • Publisher: Prentice Hall; 1 edition (Nov. 25 2003)
  • Language: English
  • ISBN-10: 0131423436
  • ISBN-13: 978-0131423435
  • Product Dimensions: 16 x 4 x 23.3 cm
  • Shipping Weight: 1.1 Kg
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (8 customer reviews)
  • Amazon Bestsellers Rank: #889,154 in Books (See Top 100 in Books)
  • See Complete Table of Contents

Product Description

From the Inside Flap

Introduction

Welcome to Software Development the Mozilla Way

The Mozilla Platform is a large software development tool that is a modern blend of XML document processing, scripting languages, and software objects. It is used to create interactive, user-focused applications. This book is a conceptual overview, reference, and tutorial on the use of the platform for building such applications.

The Mozilla Platform encourages a particular style of software development: rapid application development (RAD). RAD occurs when programmers base their applications-to-be on a powerful development tool that contains much pre-existing functionality. With such a tool, a great deal can be done very quickly. The Mozilla Platform is such a tool.

One strategy for doing RAD is to make sophisticated HTML pages and display them in a Web browser. This book does not explain HTML, nor does it show how to create such pages. It has very little to do with HTML. Instead, it shows how to create applications that require no browser, and that might appear to be nothing like a Web browser. Such applications might be Web-enabled, benefiting from the advantages that Web browsers have, or they might have nothing to do with the Web at all.

Because Mozilla is closely linked to the Web in people's minds, this last point cannot be emphasized enough. The Mozilla Platform is far more than a browser. Here are some statistics:

  • Mozilla contains well over 1,000 object types and well over 1,000 interfaces.
  • It is highly standards compliant, supporting many standards from bodies such as the W3C, IETF, and ECMA. These bodies are, respectively, the World Wide Web Consortium, the Internet Engineering Task Force, and the European Computer Manufacturers' Association.
  • Mozilla is built on a very big source code base and is far larger than most Open Source projects. It is 30 times larger than the Apache Web Server, 20 times larger than the Java 1.0 JDK/JRE sources, 5 times bigger than the standard Perl distribution, twice as big as the Linux kernel source, and nearly as large as the whole GNOME 2.0 desktop source--even when 150 standard GNOME applications are included.
  • As a result of the browser wars in the late 1990s, the platform has been heavily tested and is highly optimized and very portable. Not only have hundreds of Netscape employees and thousands of volunteers worked on it, but millions of end users who have adopted Mozilla-based products have scrutinized it as well.

This extensive and tested set of features is a huge creative opportunity for any developer interested in building applications. These features also offer an opportunity for traditional Web developers to broaden their existing skills in a natural way.

This book covers the Mozilla Platform up to version 1.4. Changes between minor versions (e.g., 1.3 and 1.4) are small enough that most of this book will be correct for some time.

Useful Knowledge

Some experience is required when reading this book. Some familiarity with Web standards is assumed.This book sticks strictly to the application services provided by the platform. There is no need to get involved in the source code, unless that is your particular interest.

The Structure of This Book

Chapter 1, Fundamental Concepts, is an overview of Mozilla. The remaining chapters mimic the structure of the Mozilla Platform. The early chapters are about the front part of Mozilla, comprising XML markup, which displays the elements of a graphical user interface. As the chapters proceed, the subject matter works its way to the back of Mozilla. The back consists of objects that silently connect to other computing infrastructure, like file systems, networks, and servers. To summarize:

  • Chapter 1 is a concept overview.
  • Chapters 2-4 describe basic XUL markup. XUL is a dialect of XML.
  • Chapter 5 explains the JavaScript language.
  • Chapters 6-10 describe interactions between the DOM, JavaScript, and XUL.
  • Chapter 11 explains the RDF data format.
  • Chapters 12-14 describe interactions between XUL and RDF.
  • Chapter 15 explains how to enhance XUL using XBL.
  • Chapter 16 describes many useful XPCOM objects. XPCOM is Mozilla's component technology.
  • Chapter 17 describes how to deploy a finished application.

Within this flow from front to back, each chapter follows a set structure:

  • Facing the start of each chapter is a special diagram called the NPA diagram.
  • The first few paragraphs of a chapter introduce the chapter concepts, expanding on brief remarks in Chapter 1, Fundamental Concepts. Read these remarks to identify whether the chapter is relevant to your need.
  • For more difficult material, these concepts are expanded into a concept tutorial. Read this tutorial material when looking through the book for the first time, or if a concept seems very foreign.
  • Next, all the technical detail is laid out in a structured manner. Many examples are provided to support a first-time read, but this detail is designed to be flipped through and revisited later when you've forgotten something.
  • In later chapters, this reference material is followed by a scripting section that explains what JavaScript interactions are possible. Read this when XUL and RDF alone are not enough for your purposes.
  • "Style Options" describes the impact of the CSS standards on the chapter. Read this when a window doesn't look right.
  • "Hands On" contains the NoteTaker tutorial that runs throughout the book. Read this when you need to get into the coding groove.
  • "Debug Corner" contains problem-solving advice and collected wisdom on the chapter's technology. Read this before coding and when you're really stuck.
  • Finally, the summary closes with a reflective overview and exits gracefully in the direction of the next chapter.

Some of these structural elements are discussed in the following topics.

The NPA Diagram

The core of the Mozilla Platform is implemented in the C and C++ programming languages, using many object classes. To understand how it all works, one could draw a huge diagram that shows all the object-oriented relationships explicit in those classes. Such a diagram would be quite detailed, and any high-level features of the platform might not be obvious. Although the diagram might be accurate, it would be a challenge to understand.

The NPA diagram is a simplified view of Mozilla's insides. NPA stands for not perfectly accurate. It is a learning aid. No one is arguing that Mozilla is built exactly as the diagram shows; the diagram is just a handy thinking tool. There is no attempt to illustrate everything that Mozilla does.

The NPA diagram appears prior to each chapter of this book. The subject matter of a given chapter is usually tied to a specific part or parts of the diagram.

Style Options

Mozilla makes extensive use of cascading stylesheet styles. In addition to features described in the CSS2 standard, Mozilla has many specialist style extensions. An example of a Mozilla-specific style is

vbox { -moz-box-orient: vertical; }

Most chapters contain a short section that describes Mozilla-style extensions relevant to that chapter.

The NoteTaker Tool

NoteTaker is a small programming project that is a running example throughout this book. There isn't room for developing a full application, so the compromise is a small tool that is an add-on. NoteTaker is a Web browser enhancement that provides a way to attach reminder notes (Web notes) to displayed Web pages. The browser user can attach notes to the pages of a Web site, and when that Web site is visited at a later date, the note reappears. This is done without modifying the remote Web site at all. Notes can be created, edited, updated, and deleted.

The browser window shown has a new toolbar, which is the NoteTaker toolbar. That toolbar includes a drop-down menu, among other things. The displayed HTML page includes a small pale rectangle--that is the Web note for the page's URL. That rectangle does not appear anywhere in the displayed test.html file. Also shown is the Edit dialog window, which is used to specify the content and arrangement of the current note.

As an idea, it doesn't matter whether NoteTaker is pure genius or horribly clumsy. Its purpose is to be a working technology demonstrator. Each chapter enhances NoteTaker in a small way so that, by the end of this book, all Mozilla's technologies can be seen at work together.

There is no generally agreed upon technical term for describing NoteTaker. The relationship between the tool and a browser is a little like the relationship between a Java applet and a Java application. It is an add-on that is more than a mere configuration option but less than a plugin.

This example project is attached to a Web browser. Generally speaking, Mozilla applications should run in their own windows with no Web browser in sight. There is no implication that all Mozilla applications should be designed like NoteTaker--it is just that NoteTaker is too small as described here to stand by itself.

Hands On: Tools Needed for Development

Even this short introduction attempts to follow the chapter structure described earlier. To begin development with Mozilla, you need a computer, software, and documentation.

Microsoft Windows, Macintosh, and UNIX/Linux are all acceptable development systems, although MacOS 9 support is slowly being dropped and perhaps should be avoided. The computer does not need to be Internet-enabled or even LAN-enabled after the platform is installed.Chapter 1, Fundamental Concepts, discusses software installation in "Hands On."

The sole warning in this introduction relates to documentation. This book alone is simply not enough information for all development needs. It would need to be a 10-volume encyclopedia to achieve that end. Just as UNIX has man(1) pages and applications have help systems, Mozilla has its own electronic reference information. That information complements the material in this book.

Unfortunately, that help information is widely scattered about and must be collected together by hand.The CSS2, DOM 2 Core, and DOM 2 Events standards are the most important ones; the others are rarely needed.This is the JavaScript standard. You can do without it, but it is occasionally handy.These definition files describe all the object interfaces in Mozilla. These files are extracted from the source code and bundled up for your convenience.These specially prepared files are a nearly accurate list of the class-interface pairs supported by the platform. These lists help answer the question: What object might I use? They can be manipulated with a text editor or a spreadsheet.

  • Finally, it would be helpful to possess a Web development book with a JavaScript focus.
  • If you are very detail oriented and have copious free time, then you might consider adding a full copy of the Mozilla Platform source code (40 MB approximately). That is not strictly required.

    It is common for advanced application programmers to retain a full copy of the Mozilla Platform source code (40 MB, approximately). This book sticks strictly to the application services provided by the platform, so there is no need to get involved in the source code, unless that is your particular interest.

    Debug Corner: Unreadable Documentation

    Make sure that any documentation you download has the right format for your platform. The UNIX tools unix2dos and dos2unix can help; also UNIX files can be read on Microsoft Windows with any decent text editor (e.g.To fix this, follow the suggestions in the Mozilla release notes. For other font problems, see the discussion on fonts in Chapter 3, Static Content.

    Some standards are written in HTML. If you save these files to local disk and disconnect from the Internet, sometimes they display in a browser very slowly. This is because the browser is trying to retrieve stylesheets from a Web server. To fix this, choose "Work Offline" from the File menu, and reload the document.

    Summary

    Mozilla is a massively featured development environment with origins in XML, objects, and the Web, and application developers can easily exploit it. I hope you enjoy reading this book as much as I enjoyed writing it. I wish you many constructive and creative hours exploring the technology, should you choose to take it up. With that said, here we go…

    From the Back Cover

    A must-have read for anybody interested in learning to build sophisticated applications with the Mozilla application framework.—Mitchell Baker, President, The Mozilla Foundation

    Mozilla has grown to become a powerful framework for building cutting-edge web applications. Rapid Application Development with Mozilla is an indispensable guide for developers of such applications.—Brendan Eich, Chief Architect, The Mozilla Foundation, and Creator of JavaScript

    Far more than just a web browser, Mozilla is the platform of choice for today's application and web developer. An innovative blend of XML vocabularies, easy-to-use scripting languages, and pre-existing software objects, Mozilla is a powerful, standards-compliant platform whose functionality guarantees rapid application development (RAD).

    In Rapid Application Development with Mozilla, web, XML, and Open Standards expert Nigel McFarlane explores Mozilla's revolutionary XML User interface Language (XUL) and its library of well over 1,000 pre-built objects. Using clear and concise instruction, McFarlane explains what companies such as AOL, IBM, Hewlett-Packard, and others already know—that Mozilla and XUL are the keys to quickly and easily creating cross-platform, web-enabled applications. Coverage includes:

    • A detailed introduction to the fundamentals and capabilities of Mozilla
    • Full descriptions of Mozilla tools, including XUL, XBL, and XPCOM
    • The RDF data format and its interactions with XUL, including Listboxes, Chrome, Overlays, Trees, and Templates
    • Events, Forms, Menus, Navigation, and Commands using DOM, JavaScript™, and XUL
    • Tips for integration into Windows® and Mac® systems
    • A guide to deployment of finished applications
    • Hundreds of examples, screenshots, and code listings

    An additional feature of Rapid Application Development with Mozilla is the NoteTaker Web browser add-on—a sample Mozilla application that is developed throughout the book. When installed in a browser it allows you to add notes to web pages—even pages on other people's web sites! It is a memory and commentary tool that enhances repeat visits to a given site. This simple application provides a real-world example of all technologies used in the book.

    If you're an application programmer or a web developer and you're looking for a productive, state-of-the-art, cross-platform programming tool, then Rapid Application Development with Mozilla is essential reading.

    Customer Reviews

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    Most helpful customer reviews

    Format: Paperback
    I bought this book mainly because I was interested to learn more about NSPR (Netscape portable runtime library) and XPCOM (cross-platform clone of Microsoft's COM). Unfortunately, as it turned out, the book does not cover these technologies in great detail. The book discusses them mainly in context of using from JavaScript, but my interest is in using them from C++ (interesting detail: there are no C++ code samples in the book, all the samples are either in JavaScript or XML). By the way, I find it disappointing that Mozilla is still bound exclusively to the Netscape's creature called JavaScript though there exist other and in some ways more powerful and expressive scripting languages such as Python, Ruby, Perl. Technologies and tools such XPCOM or SWIG could make it possible to automagically generate bindings for all or some of these languages. Another thing that is missing is comparison of Mozilla platform with alternative technologies such as Eclipse or Qt. In other words there is no clear answer why and when one should choose Mozilla.
    The books is probably good for those interested in cross-platform GUI development using blend of XML and JavaScript if you already made up your mind to use Mozilla. But I would not recommend it for C++ progammer who wants to get a better insight in Mozilla code base, which is probably not very surprising - the book's content just matches its title.
    PS The book polygraphic quality is just excellent. It's printed on a fine paper with nice typesetting.
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    Format: Paperback
    This is one of the most fascinating technical books I've read in some time. This book teaches something you want to know about, if you are a web programmer. Your education is not complete without it. You can definitely handle this, too. Discover why RAD on Mozilla is cool.
    Nigel McFarlane's book offers an introduction to the vast of the capabilities of the Mozilla browser. Want to build an application? Download and install a copy of Mozilla (it's free), get this book, and start exploring Mozilla's vastly sophisticated application development framework. You don't need deep expertise in Mozilla internals to get applications started. I am working on a project for a client that will emphasize graphics. This book is helping me get started with it, even though I have no deep knowledge of Mozilla's workings. I'm now dabbling with XML User Interface Language (XUL), XML Binding Language (XBL), and Resource Description Framework (RDF), thanks to this book. I'm also getting indirect exposure to Scalable Vector Graphics (SVG), MathML, and Chemistry Markup Language (CML), as an unexpected side benefit. The Mozilla.org developers have implemented to some degree these interesting and deeply complex XML-related standards.
    The book is easy to read. McFarlane is able to take extremely complex material and explain it in a way most people will understand. Go ahead, read the first few of Chapters 1 and 15: they will draw your interest and bring you into the next paragraph and the next. You can pick up this book, read the introductory material, and go right into Mozilla and start working. You will understand what McFarlane is talking about. The writing format should sustain your interest in experimenting and learning more and then going on to do your own applications.
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    Format: Paperback
    Mozilla is earning new prominence in today's fast-paced Internet society. So for anyone who wants to know how to leverage Mozilla's power for their own Web applications, they need a decent practicum. Enter Rapid Application Development with Mozilla. This is a highly detailed book that starts at the beginning and ends at the end, such as it is. The technology is so open ended, it's hard to find a place to stop, so it is left up to the user's imagination and desire to take the technology explained in the book wherever they want to go.
    Two of the biggest things Mozilla brings to the table are DOM (the Document Object Model) and XUL (the XML User-interface Language). For anyone who already understands the basic data structure of XML, they can realize huge benefits from Mozilla's XUL interface. The book details how to use these technologies to build exceptional Web applications which can be integrated with other technologies like JavaScript?.
    From the most basic examples to the beginnings of large application examples, a reader can find most anything within the pages of this book. It can be used as a learning tutorial if read cover to cover. Or, with its extensive index consisting of topics, tags and assorted conventions, one could simply use this book as a reference guide. The only drawback I could find with the text is its limited scope. However, if you're not the sort of person who is going to be designing Web applications using Mozilla's tools, you would hardly be interested in this book anyway.
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    Format: Paperback
    Nigel McFarlane has produced one of the most extensive books on application development using Mozilla that I have seen. His writing style is easy to follow and he wisely walks the reader through the creation of a useful example program. Longtime programmers will recognize the traditional "Hello, World" program as a starting point for learning how to program Mozilla. From this small beginning he moves the reader forward to writing a complete program. The coverage of Mozilla is thorough and provides the reader with all the basics they need to have a solid foundation in Mozilla. The XML User interface Language (XUL) is clearly described, the available tools extensively described and explained, and all the other important areas are covered including Listboxes, Chrome, Overlays, Trees, Events, Forms, Menus, Layout, Scripting, RDF, Bindings, XPCOM, and anything else you may need to know. This will not make you a Mozilla expert but it will give you all the basic information you need to program basic applications and understand more advanced books and articles. "Rapid Application Development with Mozilla" is a highly recommended purchase for anyone interested in programming web applications with Mozilla and Nigel McFarlane is the right author to take you to your goals.
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