[path_provider]: Migrated path_provider for android to pigeon. (flutt…

…er#5959)
yutaaraki-toydium · Jun 16, 2022 · 8bee94c · 8bee94c
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diff --git a/packages/path_provider/path_provider_android/CHANGELOG.md b/packages/path_provider/path_provider_android/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.15
+
+* Switches the medium from MethodChannels to Pigeon.
+
 ## 2.0.14
 
 * Fixes library_private_types_in_public_api, sort_child_properties_last and use_key_in_widget_constructors

diff --git a/...path_provider_android/android/src/main/java/io/flutter/plugins/pathprovider/Messages.java b/...path_provider_android/android/src/main/java/io/flutter/plugins/pathprovider/Messages.java
@@ -0,0 +1,241 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+// Autogenerated from Pigeon (v3.1.5), do not edit directly.
+// See also: https://pub.dev/packages/pigeon
+
+package io.flutter.plugins.pathprovider;
+
+import android.util.Log;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import io.flutter.plugin.common.BasicMessageChannel;
+import io.flutter.plugin.common.BinaryMessenger;
+import io.flutter.plugin.common.MessageCodec;
+import io.flutter.plugin.common.StandardMessageCodec;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/** Generated class from Pigeon. */
+@SuppressWarnings({"unused", "unchecked", "CodeBlock2Expr", "RedundantSuppression"})
+public class Messages {
+
+  public enum StorageDirectory {
+    music(0),
+    podcasts(1),
+    ringtones(2),
+    alarms(3),
+    notifications(4),
+    pictures(5),
+    movies(6),
+    downloads(7),
+    dcim(8),
+    documents(9);
+
+    private int index;
+
+    private StorageDirectory(final int index) {
+      this.index = index;
+    }
+  }
+
+  private static class PathProviderApiCodec extends StandardMessageCodec {
+    public static final PathProviderApiCodec INSTANCE = new PathProviderApiCodec();
+
+    private PathProviderApiCodec() {}
+  }
+
+  /** Generated interface from Pigeon that represents a handler of messages from Flutter. */
+  public interface PathProviderApi {
+    @Nullable
+    String getTemporaryPath();
+
+    @Nullable
+    String getApplicationSupportPath();
+
+    @Nullable
+    String getApplicationDocumentsPath();
+
+    @Nullable
+    String getExternalStoragePath();
+
+    @NonNull
+    List<String> getExternalCachePaths();
+
+    @NonNull
+    List<String> getExternalStoragePaths(@NonNull StorageDirectory directory);
+
+    /** The codec used by PathProviderApi. */
+    static MessageCodec<Object> getCodec() {
+      return PathProviderApiCodec.INSTANCE;
+    }
+
+    /**
+     * Sets up an instance of `PathProviderApi` to handle messages through the `binaryMessenger`.
+     */
+    static void setup(BinaryMessenger binaryMessenger, PathProviderApi api) {
+      {
+        BinaryMessenger.TaskQueue taskQueue = binaryMessenger.makeBackgroundTaskQueue();
+        BasicMessageChannel<Object> channel =
+            new BasicMessageChannel<>(
+                binaryMessenger,
+                "dev.flutter.pigeon.PathProviderApi.getTemporaryPath",
+                getCodec(),
+                taskQueue);
+        if (api != null) {
+          channel.setMessageHandler(
+              (message, reply) -> {
+                Map<String, Object> wrapped = new HashMap<>();
+                try {
+                  String output = api.getTemporaryPath();
+                  wrapped.put("result", output);
+                } catch (Error | RuntimeException exception) {
+                  wrapped.put("error", wrapError(exception));
+                }
+                reply.reply(wrapped);
+              });
+        } else {
+          channel.setMessageHandler(null);
+        }
+      }
+      {
+        BinaryMessenger.TaskQueue taskQueue = binaryMessenger.makeBackgroundTaskQueue();
+        BasicMessageChannel<Object> channel =
+            new BasicMessageChannel<>(
+                binaryMessenger,
+                "dev.flutter.pigeon.PathProviderApi.getApplicationSupportPath",
+                getCodec(),
+                taskQueue);
+        if (api != null) {
+          channel.setMessageHandler(
+              (message, reply) -> {
+                Map<String, Object> wrapped = new HashMap<>();
+                try {
+                  String output = api.getApplicationSupportPath();
+                  wrapped.put("result", output);
+                } catch (Error | RuntimeException exception) {
+                  wrapped.put("error", wrapError(exception));
+                }
+                reply.reply(wrapped);
+              });
+        } else {
+          channel.setMessageHandler(null);
+        }
+      }
+      {
+        BinaryMessenger.TaskQueue taskQueue = binaryMessenger.makeBackgroundTaskQueue();
+        BasicMessageChannel<Object> channel =
+            new BasicMessageChannel<>(
+                binaryMessenger,
+                "dev.flutter.pigeon.PathProviderApi.getApplicationDocumentsPath",
+                getCodec(),
+                taskQueue);
+        if (api != null) {
+          channel.setMessageHandler(
+              (message, reply) -> {
+                Map<String, Object> wrapped = new HashMap<>();
+                try {
+                  String output = api.getApplicationDocumentsPath();
+                  wrapped.put("result", output);
+                } catch (Error | RuntimeException exception) {
+                  wrapped.put("error", wrapError(exception));
+                }
+                reply.reply(wrapped);
+              });
+        } else {
+          channel.setMessageHandler(null);
+        }
+      }
+      {
+        BinaryMessenger.TaskQueue taskQueue = binaryMessenger.makeBackgroundTaskQueue();
+        BasicMessageChannel<Object> channel =
+            new BasicMessageChannel<>(
+                binaryMessenger,
+                "dev.flutter.pigeon.PathProviderApi.getExternalStoragePath",
+                getCodec(),
+                taskQueue);
+        if (api != null) {
+          channel.setMessageHandler(
+              (message, reply) -> {
+                Map<String, Object> wrapped = new HashMap<>();
+                try {
+                  String output = api.getExternalStoragePath();
+                  wrapped.put("result", output);
+                } catch (Error | RuntimeException exception) {
+                  wrapped.put("error", wrapError(exception));
+                }
+                reply.reply(wrapped);
+              });
+        } else {
+          channel.setMessageHandler(null);
+        }
+      }
+      {
+        BinaryMessenger.TaskQueue taskQueue = binaryMessenger.makeBackgroundTaskQueue();
+        BasicMessageChannel<Object> channel =
+            new BasicMessageChannel<>(
+                binaryMessenger,
+                "dev.flutter.pigeon.PathProviderApi.getExternalCachePaths",
+                getCodec(),
+                taskQueue);
+        if (api != null) {
+          channel.setMessageHandler(
+              (message, reply) -> {
+                Map<String, Object> wrapped = new HashMap<>();
+                try {
+                  List<String> output = api.getExternalCachePaths();
+                  wrapped.put("result", output);
+                } catch (Error | RuntimeException exception) {
+                  wrapped.put("error", wrapError(exception));
+                }
+                reply.reply(wrapped);
+              });
+        } else {
+          channel.setMessageHandler(null);
+        }
+      }
+      {
+        BinaryMessenger.TaskQueue taskQueue = binaryMessenger.makeBackgroundTaskQueue();
+        BasicMessageChannel<Object> channel =
+            new BasicMessageChannel<>(
+                binaryMessenger,
+                "dev.flutter.pigeon.PathProviderApi.getExternalStoragePaths",
+                getCodec(),
+                taskQueue);
+        if (api != null) {
+          channel.setMessageHandler(
+              (message, reply) -> {
+                Map<String, Object> wrapped = new HashMap<>();
+                try {
+                  ArrayList<Object> args = (ArrayList<Object>) message;
+                  StorageDirectory directoryArg =
+                      args.get(0) == null ? null : StorageDirectory.values()[(int) args.get(0)];
+                  if (directoryArg == null) {
+                    throw new NullPointerException("directoryArg unexpectedly null.");
+                  }
+                  List<String> output = api.getExternalStoragePaths(directoryArg);
+                  wrapped.put("result", output);
+                } catch (Error | RuntimeException exception) {
+                  wrapped.put("error", wrapError(exception));
+                }
+                reply.reply(wrapped);
+              });
+        } else {
+          channel.setMessageHandler(null);
+        }
+      }
+    }
+  }
+
+  private static Map<String, Object> wrapError(Throwable exception) {
+    Map<String, Object> errorMap = new HashMap<>();
+    errorMap.put("message", exception.toString());
+    errorMap.put("code", exception.getClass().getSimpleName());
+    errorMap.put(
+        "details",
+        "Cause: " + exception.getCause() + ", Stacktrace: " + Log.getStackTraceString(exception));
+    return errorMap;
+  }
+}