feat(scheme-handler): Improve memory usage & Range support - #1481
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dpogue
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## master #1481 +/- ##
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Coverage 80.22% 80.22%
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Lines 1871 1871
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Based on code from ionic-team/cordova-plugin-ionic-webview#692 Closes apacheGH-1033. Co-Authored-By: David Holmgren <dodahoho@users.noreply.github.com>
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LGTM
Ran a test against a project that overrides scheme, project that contains all Apache Cordova plugins, & the Cordova's sample application.
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* refactor(schemes): Read files on a background thread Closes apacheGH-909. * feat(schemes): Support range requests Based on code from ionic-team/cordova-plugin-ionic-webview#692 Closes apacheGH-1033. Co-Authored-By: David Holmgren <dodahoho@users.noreply.github.com> --------- Co-authored-by: David Holmgren <dodahoho@users.noreply.github.com>
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* refactor(schemes): Read files on a background thread Closes apacheGH-909. * feat(schemes): Support range requests Based on code from ionic-team/cordova-plugin-ionic-webview#692 Closes apacheGH-1033. Co-Authored-By: David Holmgren <dodahoho@users.noreply.github.com> --------- Co-authored-by: David Holmgren <dodahoho@users.noreply.github.com>
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Platforms affected
iOS
Motivation and Context
Improve memory usage and support range requests for resources loaded via a custom scheme.
Description
Changed the implementation of CDVURLSchemeHandler to do file reading on a background thread in 4MiB chunks rather than trying to load entire files into memory. 4MiB should be sufficient for most HTML/CSS/JS files, while still being low enough to not cause iOS to freak out about memory usage.
Improved URL building for file paths to ensure that things like query strings don't end up affecting which file gets loaded from the filesystem. Closes GH-909.
Also, implement support for the Range header to load subsections of files (mostly used for audio/video files) to further improve memory usage. Closes GH-1033.
Testing
Existing tests pass. All content for the mobile spec testcase loaded properly with these changes.
Checklist