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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| package com.telerik.plugins.mapbox; | ||
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| import com.mapbox.mapboxsdk.geometry.LatLng; | ||
| import com.mapbox.mapboxsdk.geometry.LatLngBounds; | ||
| import com.mapbox.mapboxsdk.offline.OfflineManager; | ||
| import com.mapbox.mapboxsdk.offline.OfflineRegionDefinition; | ||
| import com.mapbox.mapboxsdk.offline.OfflineTilePyramidRegionDefinition; | ||
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| import org.apache.cordova.CallbackContext; | ||
| import org.apache.cordova.CordovaWebView; | ||
| import org.json.JSONArray; | ||
| import org.json.JSONException; | ||
| import org.json.JSONObject; | ||
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| import java.io.UnsupportedEncodingException; | ||
| import java.util.HashMap; | ||
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| class MapboxManager { | ||
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| // JSON encoding/decoding | ||
| public static final String JSON_CHARSET = "UTF-8"; | ||
| public static final String JSON_FIELD_REGION_NAME = "FIELD_REGION_NAME"; | ||
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| private String mapboxAccessToken; | ||
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| private Float density; | ||
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| private CordovaWebView cordovaWebView; | ||
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| private OfflineManager offlineManager; | ||
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| private HashMap<Integer, OfflineRegion> regions = new HashMap<Integer, OfflineRegion>(); | ||
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| private HashMap<Long, com.mapbox.mapboxsdk.offline.OfflineRegion> mapboxRegions = new HashMap<Long, com.mapbox.mapboxsdk.offline.OfflineRegion>(); | ||
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| private int ids = 0; | ||
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| public interface OfflineRegionStatusCallback { | ||
| void onComplete(JSONObject progress); | ||
| void onProgress(JSONObject progress); | ||
| void onError(String error); | ||
| } | ||
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| public interface LoadOfflineRegionsCallback { | ||
| void onList(JSONArray regions); | ||
| void onError(String error); | ||
| } | ||
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| public MapboxManager(String accessToken, Float screenDensity, CordovaWebView webView) { | ||
| this.mapboxAccessToken = accessToken; | ||
| this.density = screenDensity; | ||
| this.cordovaWebView = webView; | ||
| this.offlineManager = OfflineManager.getInstance(webView.getContext()); | ||
| } | ||
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| public void loadOfflineRegions(final LoadOfflineRegionsCallback callback) { | ||
| this.offlineManager.listOfflineRegions(new OfflineManager.ListOfflineRegionsCallback() { | ||
| @Override | ||
| public void onList(com.mapbox.mapboxsdk.offline.OfflineRegion[] offlineRegions) { | ||
| try { | ||
| JSONArray regions = new JSONArray(); | ||
| JSONObject response; | ||
| for (com.mapbox.mapboxsdk.offline.OfflineRegion offlineRegion : offlineRegions) { | ||
| OfflineRegion region = createOfflineRegion(offlineRegion); | ||
| response = new JSONObject(); | ||
| response.put("id", region.getId()); | ||
| regions.put(response); | ||
| } | ||
| callback.onList(regions); | ||
| } catch (JSONException e) { | ||
| String error = "Error loading OfflineRegions: " + e.getMessage(); | ||
| callback.onError(error); | ||
| } | ||
| } | ||
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| @Override | ||
| public void onError(String error) { | ||
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| } | ||
| }); | ||
| } | ||
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| public void createOfflineRegion(final JSONObject options, final CallbackContext callback, final OfflineRegionStatusCallback offlineRegionStatusCallback) { | ||
| try { | ||
| final String regionName = options.getString("name"); | ||
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| JSONObject metadata = new JSONObject(); | ||
| metadata.put(JSON_FIELD_REGION_NAME, regionName); | ||
| byte[] encodedMetadata = metadata.toString().getBytes(JSON_CHARSET); | ||
| OfflineRegionDefinition definition = this.createOfflineRegionDefinition(density, options); | ||
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| offlineManager.createOfflineRegion(definition, encodedMetadata, new OfflineManager.CreateOfflineRegionCallback() { | ||
| @Override | ||
| public void onCreate(com.mapbox.mapboxsdk.offline.OfflineRegion offlineRegion) { | ||
| try { | ||
| OfflineRegion region = createOfflineRegion(offlineRegion); | ||
| region.setObserver(offlineRegionStatusCallback); | ||
| JSONObject resp = new JSONObject(); | ||
| resp.put("id", region.getId()); | ||
| callback.success(resp); | ||
| } catch (JSONException e) { | ||
| this.onError(e.getMessage()); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void onError(String error) { | ||
| String message = "Failed to create offline region: " + error; | ||
| callback.error(message); | ||
| } | ||
| }); | ||
| } catch (JSONException e) { | ||
| callback.error(e.getMessage()); | ||
| } catch (UnsupportedEncodingException e) { | ||
| callback.error(e.getMessage()); | ||
| } | ||
| } | ||
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| private OfflineRegion createOfflineRegion(com.mapbox.mapboxsdk.offline.OfflineRegion offlineRegion) throws JSONException { | ||
| int id = this.ids++; | ||
| OfflineRegion region = new OfflineRegion(id, offlineRegion); | ||
| byte[] encodedMetadata = offlineRegion.getMetadata(); | ||
| JSONObject metadata = new JSONObject(encodedMetadata.toString()); | ||
| region.setRegionName(metadata.getString(JSON_FIELD_REGION_NAME)); | ||
| regions.put(id, region); | ||
| return region; | ||
| } | ||
|
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| public OfflineRegion getOfflineRegion(int id) { | ||
| return regions.get(id); | ||
| } | ||
|
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| public void removeOfflineRegion(int id) { | ||
| regions.remove(id); | ||
| } | ||
|
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| private OfflineRegionDefinition createOfflineRegionDefinition(float retinaFactor, JSONObject options) throws JSONException { | ||
| String styleURL = Mapbox.getStyle(options.getString("style")); | ||
| double minZoom = options.getDouble("minZoom"); | ||
| double maxZoom = options.getDouble("maxZoom"); | ||
| JSONObject boundsOptions = options.getJSONObject("bounds"); | ||
| double north = boundsOptions.getDouble("north"); | ||
| double east = boundsOptions.getDouble("east"); | ||
| double south = boundsOptions.getDouble("south"); | ||
| double west = boundsOptions.getDouble("west"); | ||
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| LatLngBounds bounds = new LatLngBounds.Builder() | ||
| .include(new LatLng(north, west)) | ||
| .include(new LatLng(south, east)) | ||
| .build(); | ||
|
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| return new OfflineTilePyramidRegionDefinition(styleURL, bounds, minZoom, maxZoom, retinaFactor); | ||
| } | ||
| } |
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