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71 changes: 71 additions & 0 deletions
71
android/src/main/java/com/dylanvann/fastimage/FastImageViewConverter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package com.dylanvann.fastimage; | ||
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| import android.widget.ImageView; | ||
| import android.widget.ImageView.ScaleType; | ||
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| import com.bumptech.glide.Priority; | ||
| import com.bumptech.glide.load.model.GlideUrl; | ||
| import com.bumptech.glide.load.model.LazyHeaders; | ||
| import com.facebook.react.bridge.NoSuchKeyException; | ||
| import com.facebook.react.bridge.ReadableMap; | ||
| import com.facebook.react.bridge.ReadableMapKeySetIterator; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| class FastImageViewConverter { | ||
| static GlideUrl glideUrl(ReadableMap source) { | ||
| final String uriProp = source.getString("uri"); | ||
| // Get the headers prop and add to glideUrl. | ||
| GlideUrl glideUrl; | ||
| try { | ||
| final ReadableMap headersMap = source.getMap("headers"); | ||
| ReadableMapKeySetIterator headersIterator = headersMap.keySetIterator(); | ||
| LazyHeaders.Builder headersBuilder = new LazyHeaders.Builder(); | ||
| while (headersIterator.hasNextKey()) { | ||
| String key = headersIterator.nextKey(); | ||
| String value = headersMap.getString(key); | ||
| headersBuilder.addHeader(key, value); | ||
| } | ||
| LazyHeaders headers = headersBuilder.build(); | ||
| glideUrl = new GlideUrl(uriProp, headers); | ||
| } catch (NoSuchKeyException e) { | ||
| // If there is no headers object. | ||
| glideUrl = new GlideUrl(uriProp); | ||
| } | ||
| return glideUrl; | ||
| } | ||
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| private static Map<String, Priority> REACT_PRIORITY_MAP = | ||
| new HashMap<String, Priority>() {{ | ||
| put("low", Priority.LOW); | ||
| put("normal", Priority.NORMAL); | ||
| put("high", Priority.HIGH); | ||
| }}; | ||
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| static Priority priority(ReadableMap source) { | ||
| // Get the priority prop. | ||
| String priorityProp = "normal"; | ||
| try { | ||
| priorityProp = source.getString("priority"); | ||
| } catch (Exception e) { | ||
| // Noop. | ||
| } | ||
| final Priority priority = REACT_PRIORITY_MAP.get(priorityProp); | ||
| return priority; | ||
| } | ||
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| private static Map<String, ImageView.ScaleType> REACT_RESIZE_MODE_MAP = | ||
| new HashMap<String, ImageView.ScaleType>() {{ | ||
| put("contain", ScaleType.FIT_CENTER); | ||
| put("cover", ScaleType.CENTER_CROP); | ||
| put("stretch", ScaleType.FIT_XY); | ||
| put("center", ScaleType.CENTER); | ||
| }}; | ||
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| public static ScaleType scaleType(String resizeMode) { | ||
| if (resizeMode == null) resizeMode = "contain"; | ||
| final ImageView.ScaleType scaleType = REACT_RESIZE_MODE_MAP.get(resizeMode); | ||
| return scaleType; | ||
| } | ||
| } |
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54 changes: 54 additions & 0 deletions
54
android/src/main/java/com/dylanvann/fastimage/FastImageViewModule.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package com.dylanvann.fastimage; | ||
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| import android.app.Activity; | ||
| import android.graphics.Color; | ||
| import android.graphics.drawable.ColorDrawable; | ||
| import android.graphics.drawable.Drawable; | ||
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| import com.bumptech.glide.Glide; | ||
| import com.bumptech.glide.Priority; | ||
| import com.bumptech.glide.load.engine.DiskCacheStrategy; | ||
| import com.bumptech.glide.load.model.GlideUrl; | ||
| import com.facebook.react.bridge.ReactApplicationContext; | ||
| import com.facebook.react.bridge.ReactContextBaseJavaModule; | ||
| import com.facebook.react.bridge.ReactMethod; | ||
| import com.facebook.react.bridge.ReadableArray; | ||
| import com.facebook.react.bridge.ReadableMap; | ||
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| class FastImageViewModule extends ReactContextBaseJavaModule { | ||
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| private static final String REACT_CLASS = "FastImageView"; | ||
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| FastImageViewModule(ReactApplicationContext reactContext) { | ||
| super(reactContext); | ||
| } | ||
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| @Override | ||
| public String getName() { | ||
| return REACT_CLASS; | ||
| } | ||
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| private static Drawable TRANSPARENT_DRAWABLE = new ColorDrawable(Color.TRANSPARENT); | ||
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| @ReactMethod | ||
| public void preload(final ReadableArray sources) { | ||
| final Activity activity = getCurrentActivity(); | ||
| activity.runOnUiThread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| for (int i = 0; i < sources.size(); i++) { | ||
| final ReadableMap source = sources.getMap(i); | ||
| final GlideUrl glideUrl = FastImageViewConverter.glideUrl(source); | ||
| final Priority priority = FastImageViewConverter.priority(source); | ||
| Glide | ||
| .with(activity.getApplicationContext()) | ||
| .load(glideUrl) | ||
| .priority(priority) | ||
| .placeholder(TRANSPARENT_DRAWABLE) | ||
| .diskCacheStrategy(DiskCacheStrategy.SOURCE) | ||
| .preload(); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
| } |
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