Comments (7)
Assuming you are working from the "develop" branch, or at least from release 0.14, then support for linear="no" is provided but is indeed minimal: primary reading flow is handled correctly (ancillary content is excluded appropriately), but target linking to linear="no" content documents occurs within the same viewport (no dedicated popup window). Note that depending on the type of Readium app (i.e. Chrome app/extension, pure web browser, Android / iOS / OSX / Win native WebView launchers), the concept of a "popup viewport" is likely to vary. Therefore, if you have some ideas / suggestions about a "cross-platform" solution, please let us know.
For those who have access to the Readium developer documentation, here's the shared Google Doc where design / functional requirements are tentatively described:
https://docs.google.com/document/d/1XY4SL0hwcr4b6XvCw8yf9tKQMnDXDnjKs_MDEzPKTHc
Regards, Daniel
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http://www.idpf.org/epub/30/spec/epub30-publications.html#sec-spine-elem
Email discussion:
https://groups.google.com/forum/#!topic/readium-dev/5ik4Kgvt2rc
from readium-shared-js.
Bugzilla:
https://app.devzing.com/Readium/bugzilla/show_bug.cgi?id=46
from readium-shared-js.
The navigation concept of "escaping" the ancillary reading context (non-linear spine items) ; i.e. branching off-and-back into the primary reading flow ; was discussed recently with the accessibility folks that are going to contribute in the implementation of external descriptions (DIAGRAMMAR model). The "modal dialog" solution used by iBooks is practical because of the obvious "dismiss" semantics (conventional UI affordance "cross" button), but the document is only scrolled, not paginated or fixed-layout as any HTML file could potentially be. Consequently, a more generic approach would seem to consist in re-using the regular Readium rendering viewport, but making sure that the previous/next page commands respect the begin/end document boundaries (instead of navigating to the sibling spine item), and by adding a new "escape" command equivalent to the "dismiss" button of a modal dialog. Must do: careful examination of the implications in terms of bookmarking (+ preserving current reading location), and "inner" navigation history (see #149).
A shared Google doc will be written to provide detailed descriptions of the expected behaviours. A feature branch will be created in readium-shared-js (core model) and readium-js-viewer (UI controls).
from readium-shared-js.
Note that @mohit-agarwal has started working on this.
from readium-shared-js.
Google shared doc: https://docs.google.com/document/d/1XY4SL0hwcr4b6XvCw8yf9tKQMnDXDnjKs_MDEzPKTHc/
Related issue (history navigation): readium/readium-js-viewer#127
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Addressed in PR: #211
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Related Issues (20)
- Chapters getting truncated [iOS - readium-shared-js library] HOT 4
- Absolutely positioned elements are misplaced HOT 5
- Building URL query parameters strips out #fragments HOT 1
- FAQ: custom external font faces
- Hyperlinking: hash fragment identifiers are discarded by internal pagination / scroll offset logic? HOT 3
- Use of reserved word "package" HOT 2
- Turn pages very slow in big html files with Android System Webview 63 HOT 25
- calculatePageIndexDeltaByRectangles has wrong logic calculating pageIndex HOT 6
- Build output: UMD bundle HOT 4
- Internet Explorer very slow to resize document with large spines (100+ pages)
- Please help, openContentUrl() dosen't work well in Electron app when the url contains #. HOT 1
- Rangy dependency not needed strictly-speaking (SMIL experimental feature + Juan's highlighter) HOT 2
- Firefox: Resize Sensor does not trigger when content after expanded element flows into following columns in a certain way
- Highlights HOT 1
- In Redium Reader CFI - is it possible to go exact CFI location in a reflowable document when search text location are multiple in a page HOT 4
- Is there any reason why navigator.epubReadingSystem is writable? HOT 2
- Invalid location/CFI received HOT 2
- Issue with continuous scrolling using (macOs + Safari) trackpad
- The page turn is not done with the readaloud
- API Document
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