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Fennec/NativeUI/Architecture Overview: Difference between revisions
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Fennec/NativeUI/Architecture Overview (view source)
Revision as of 06:14, 18 November 2011
, 18 November 2011→Overview
MarkFinkle (talk | contribs) (Moved to /Fennec/NativeUI) |
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==Overview== | ==Overview== | ||
* Application UI is comprised mainly of Android Java and layout XML files found in embedding/android | * Application UI is comprised mainly of Android Java and layout XML files found in /embedding/android | ||
** GeckoApp.java and gecko_app.xml comprise the main UI. | ** GeckoApp.java and gecko_app.xml comprise the main UI. | ||
** | ** GeckoAppShell.java handles a lot of the non-visual tasks, like handling Android intents, starting the Gecko thread, communicating with Gecko through JNI and messaging. | ||
* | * The Java compositor, used to handle panning and zooming web content is found in /embedding.android/gfx | ||
* XUL/JS and still used primarily as a communication shim from the Gecko platform to the Java UI. | * XUL/JS and still used primarily as a communication shim from the Gecko platform to the Java UI. | ||
** browser.js and browser.xul create a | ** browser.js and browser.xul create a <deck> of <browser>s for only displaying the web content. | ||
** Some helpers in browser.js are used to communicate network activity and mouse gestures to Java. More helpers will be needed for adding support for different Gecko features. Easily poached from the | ** Some helpers in browser.js are used to communicate network activity and mouse gestures to Java. More helpers will be needed for adding support for different Gecko features. Easily poached from the XUL-based code. | ||
** A JSON based message system is used to [[Fennec/NativeUI/Messages|send messages]] from XUL to Java. nsIAndroidBridge is the XPCOM object that makes this happen, but the messages are just forwarded to GeckoAppShell and routed out to Java from there. | ** A JSON based message system is used to [[Fennec/NativeUI/Messages|send messages]] from XUL to Java. nsIAndroidBridge is the XPCOM object that makes this happen, but the messages are just forwarded to GeckoAppShell and routed out to Java from there. | ||
** An event based message system is used to [[Fennec/NativeUI/Messages|send messages]] from Java to XUL. From Java, you create a GeckoEvent with a subject and data strings. This is sent to XUL as an nsIObserver notification. | ** An event based message system is used to [[Fennec/NativeUI/Messages|send messages]] from Java to XUL. From Java, you create a GeckoEvent with a subject and data strings. This is sent to XUL as an nsIObserver notification. | ||