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Task-number: QTBUG-84469
Change-Id: Iefd2fb627602ef4744d80858eee72a089ef5f4ec
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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With this patch, offline tiles will be looked up on the fly,
thus removing the need to index the offline content at startup.
Task-number: QTBUG-59665
Change-Id: I1db62c38363dafe82ee2f2ffc7f493ac5d958fc2
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
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Change-Id: Iaa670de181255ea570fcf7bcbe465987ef7fc2fc
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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This patch fixes the incorrect handling of the population/repopulation
of OSM offline tiles when the providers are initially populated.
In this way it is now fine if the user selects high dpi tiles, and has
both high dpi and low dpi offline tiles, and the high dpi provider
is unavailable.
Change-Id: I4d7080d6f259663bf6ca7a985fd9784fb81cfec3
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
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During initialization, this patch makes sure that the cached
tiles belong to the provider currently in use by using the file
lastModified() value and comparing it against the (optional)
Timestamp in the provider records.
If this value is not present in the provider record, or if it
is older than the newest modified file, the data is untouched.
This operation is performed separately for each map id.
This method isn't perfect in all use cases, though.
E.g., if we are forced to shut down one of the provider
and run on the hardcoded fallback, which has an older TS.
These are however rare edge cases that most likely won't
happen in practice (in the case above we could put the
content of the hardcoded provider in the remote json
files too)
Change-Id: Ie29cf05c1fbc835ce4e3363fc0caa38a97800214
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
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This cache fixes the cache mixing problem that has been introduced
with the osm high dpi tiles support.
high dpi providers fall back to low dpi ones and ultimately
to hardcoded providers (also low dpi), and can also be enabled/disabled
via plugin parameter, thus leaving the cache for a given map id
dirty for the next run.
With this patch high dpi tiles are named differently from low dpi ones.
If high-dpi providers are selected, but become not available, the
cache can also change the tileset to load at runtime
Change-Id: I229692da07c1fc61c58fb0b6fae6ec5af16e43a7
Reviewed-by: Paolo Angelelli <paolo.angelelli@qt.io>
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This patch contains improvements for the OSM geoservice plugin, in form
of property-controllable disk cache, and the support for a directory
containing an offline dataset.
The offline directory can contain subdirectories also in form of
symlinks. If duplicate tiles are present, the newest is used.
The population of the offline tiles registry is offloaded to a
thread to prevent blocking the startup of the application.
No synchronization is used (except on cache destruction),
so that, as the tiles are being indexed, they can be used in
the application.
For the time being, no support is given to populate such directory
(mostly due to current API limitations), but tiles can be placed
manually, for example copying them from the disk cache directory.
Task-number: QTBUG-45284
Change-Id: I518980669a3ee474545025adf05adc69cdd29781
Reviewed-by: Paolo Angelelli <paolo.angelelli@theqtcompany.com>
Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>
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