Implement a basic IME-aware input element

sky/services/keyboard/org/domokit/keyboard/KeyboardServiceImpl.java

Index: sky/services/keyboard/org/domokit/keyboard/KeyboardServiceImpl.java
diff --git a/sky/services/keyboard/org/domokit/keyboard/KeyboardServiceImpl.java b/sky/services/keyboard/org/domokit/keyboard/KeyboardServiceImpl.java
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+++ b/sky/services/keyboard/org/domokit/keyboard/KeyboardServiceImpl.java
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+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.domokit.keyboard;
+
+import android.content.Context;
+import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
+import android.view.inputmethod.InputMethodManager;
+
+import org.chromium.mojo.system.Core;
+import org.chromium.mojo.system.MessagePipeHandle;
+import org.chromium.mojo.system.MojoException;
+import org.chromium.mojom.keyboard.KeyboardClient;
+import org.chromium.mojom.keyboard.KeyboardService;
+
+/**
+ * Android implementation of Keyboard.
+ */
+public class KeyboardServiceImpl implements KeyboardService {
+    private static View sActiveView;
+    private static KeyboardClient sActiveClient;
+
+    private Context mContext;
+
+    public KeyboardServiceImpl(Context context, Core core, MessagePipeHandle pipe) {
+        mContext = context;
+
+        KeyboardService.MANAGER.bind(this, pipe);
+    }
+
+    public static void setActiveView(View view) {
+        sActiveView = view;
+    }
+
+    public static InputConnection createInputConnection(EditorInfo outAttrs) {
+        if (sActiveClient == null)
+            return null;
+        return new InputConnectionAdaptor(sActiveView, sActiveClient, outAttrs);
+    }
+
+    @Override
+    public void close() {}
+
+    @Override
+    public void onConnectionError(MojoException e) {}
+
+    @Override
+    public void show(KeyboardClient client) {
+        sActiveClient = client;
+        InputMethodManager imm =
+                (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
+        imm.restartInput(sActiveView);
+        imm.showSoftInput(sActiveView, InputMethodManager.SHOW_IMPLICIT);
+    }
+
+    public void hide() {
+        InputMethodManager imm =
+                (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
+        imm.hideSoftInputFromWindow(sActiveView.getApplicationWindowToken(), 0);
+    }
+}