1 files changed, 44 insertions, 0 deletions
diff --git a/src/com/android/quicksearchbox/IconLoader.kt b/src/com/android/quicksearchbox/IconLoader.kt
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+++ b/src/com/android/quicksearchbox/IconLoader.kt
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+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quicksearchbox
+
+import android.content.ContentResolver
+import android.graphics.drawable.Drawable
+import android.net.Uri
+import com.android.quicksearchbox.util.NowOrLater
+
+/** Interface for icon loaders. */
+interface IconLoader {
+  /**
+   * Gets a drawable given an ID.
+   *
+   * The ID could be just the string value of a resource id (e.g., "2130837524"), in which case we
+   * will try to retrieve a drawable from the provider's resources. If the ID is not an integer, it
+   * is treated as a Uri and opened with [ContentResolver.openOutputStream].
+   *
+   * All resources and URIs are read using the suggestion provider's context.
+   *
+   * @return a [NowOrLater] for retrieving the icon. If the ID is not formatted as expected, or no
+   * drawable can be found for the provided value, the value from this will be null.
+   *
+   * @param drawableId a string like "2130837524",
+   * "android.resource://com.android.alarmclock/2130837524", or "content://contacts/photos/253".
+   */
+  fun getIcon(drawableId: String?): NowOrLater<Drawable?>?
+
+  /** Converts a drawable ID to a Uri that can be used from other packages. */
+  fun getIconUri(drawableId: String?): Uri?
+}