introduce *Context to manage instances and dependency

Change-Id: Ice759c2791a41df1b80dd06b6a339833cb4a7979

1 files changed, 56 insertions, 0 deletions

diff --git a/src/com/google/android/droiddriver/uiautomation/UiAutomationContext.java b/src/com/google/android/droiddriver/uiautomation/UiAutomationContext.java
new file mode 100644
index 0000000..d4dd00f
--- /dev/null
+++ b/src/com/google/android/droiddriver/uiautomation/UiAutomationContext.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2013 DroidDriver committers
+ *
+ * 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.google.android.droiddriver.uiautomation;
+
+import android.app.UiAutomation;
+import android.view.InputEvent;
+import android.view.accessibility.AccessibilityNodeInfo;
+
+import com.google.android.droiddriver.InputInjector;
+import com.google.android.droiddriver.util.Logs;
+import com.google.common.base.Preconditions;
+
+/**
+ * Internal helper for managing all instances.
+ */
+public class UiAutomationContext {
+  private final UiAutomation uiAutomation;
+  private final InputInjector injector;
+
+  UiAutomationContext(UiAutomation uiAutomation) {
+    this.uiAutomation = Preconditions.checkNotNull(uiAutomation);
+    injector = new InputInjector() {
+      @Override
+      public boolean injectInputEvent(InputEvent event) {
+        return getUiAutomation().injectInputEvent(event, true /* sync */);
+      }
+    };
+  }
+
+  public UiAutomation getUiAutomation() {
+    return uiAutomation;
+  }
+
+  public InputInjector getInjector() {
+    return injector;
+  }
+
+  // TODO: cache by node?
+  public UiAutomationElement getUiElement(AccessibilityNodeInfo node) {
+    return Logs.wrap(UiAutomationElement.class, new UiAutomationElement(this, node));
+  }
+}