Replace bundled styles with mapbox: style URLs #2746
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We also need to deprecate or remove the bundledStyleURLs property from MGLMapView, since that property always returns an empty array. We can deprecate it with a compile-time message instructing developers to look at some webpage for a list of always-available styles, but we need to have that webpage ready. |
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@1ec5 can we make it return a list of |
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That’s not a bad idea. We’d just base it off default_styles.cpp, which would enable us to nix the parallel list we’ve compiled in MBXViewController. We’d still need to rename the method, though: the styles aren’t “bundled”, just universally available, regardless of access token. |
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@1ec5 I was thinking more from source compatibility perspective but next release is breaking anyway right? |
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You’re right, we should mark |
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I’ve completed the iOS side of this change. There’s a new class MGLStyle that – for now – does nothing but vend style URLs in a manner similar to UIColor. It would make for a great entry point an iOS runtime styling API as part of #837. Unlike Style.java on the Android side, MGLStyle gets its values directly from a refactored default_styles.hpp and uses static assertions to stay in sync. So that takes care of #1462. Objective-C++, o happy day! The upshot for other platforms is that there are now individual constants for each “default style” (that is, a style that’s available regardless of access token). There’s still a constant C array of them in case you need to iterate over them. @jfirebaugh, does my C++ look reasonable? @incanus, can you forgive my macro shenanigans? |
| namespace default_styles { | ||
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| struct DefaultStyle { | ||
| const char *url; |
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Our style for C++ is to space * and & with the rest of the type, so const char* url.
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Old habits die hard: e13535eda83116ced526c6785e9596e25bdfaac2.
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LGTM other than the one nit. |
1ec5
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Excellent, when your happy @1ec5 I think we can squash, get Travis green, final set of eyes, then merge. |
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Running into #2022. |
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@1ec5 is that the right ticket number? |
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Yes, that was precisely what I and Travis were both hitting, but now it’s green again. Go figure. |
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I’ve come back around to the idea of deprecating and eventually removing |
Also renamed styles to more common names.
Moved mbgl::util::default_styles to a more appropriate location, where iOS platform code can also find it. Moved -[MGLMapView bundledStyleURLs] (which is now deprecated) and the style switcher in iosapp to default_styles. Added a collection of convenience methods for getting style URLs. It makes little sense to layer an enum atop this, as MapKit does, because MGLMapView styles aren’t limited to this set. A good analogy is UIColor. This also makes for a good entry point for future runtime styling APIs. Introduced independent constants for each default style, because it’s more common to need access to a particular style than to iterate over them. This fact is apparent in the MGLStyle class, which now uses macros and assertions to ensure that it’s kept up-to-date with changes in default_styles. /ref #1462
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As of #2746, we no longer bundle any styles with the SDK, so the asset: URL scheme is unused. Instead, point asset: to the application root for developer convenience and consistency with the Android and default asset roots. Also fixed an issue that prevented relative URLs from being treated as asset: URLs. Fixes #1208, fixes #3050.
As of #2746, we no longer bundle any styles with the SDK, so the asset: URL scheme is unused. Instead, point asset: to the application root for developer convenience and consistency with the Android and default asset roots. Also fixed an issue that prevented relative URLs from being treated as asset: URLs. Fixes #1208, fixes #3050.
Fixes #2239