Experiences Developing a Wayland-Based IVI HMI - The Linux ...

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Problem: Gap Between HTML5 and Native Sides• HTML5 based HMI cannot readily layout surfaces created bynative application• HMI has no knowledge of surfaces created by native applications• JavaScript events are not visible to native application• Recall that native application may not be integrated with Web run-time• Events generated by compositor are not visible to HTML5 basedHMI20
Problem: Supporting the Layer Concept• No concept of layers in HTML5• May be emulated using multiple HTML5 Canvases• Canvas based approach not always suitable• Not all Web applications use HTML5 Canvases• Not applicable for native applications21
Page 1 and 2: Experiences Developing aWayland Bas
Page 3: Problems• Mobile and desktop user
Page 6 and 7: HMI Service• Provides “home scr
Page 8 and 9: Application Run-time• Provides re
Page 10 and 11: 10Component Structure
Page 12 and 13: Server Side Architectures• HMI Se
Page 14 and 15: Stand-alone HMI Service - Sequence
Page 16 and 17: Integrated HMI Service - Sequence D
Page 18 and 19: 18HTML5 HMI Problems
Page 22 and 23: Solution• Compositor• Plugin ex
Page 24 and 25: Desktop Shell-isms• Direct use of
Page 26 and 27: Summary• Wayland• Simple, light
Page 28: LegalINFORMATION IN THIS DOCUMENT I

Experiences Developing a Wayland-Based IVI HMI - The Linux ...

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