1 files changed, 113 insertions, 0 deletions
diff --git a/src/io/appium/droiddriver/base/BaseUiDevice.java b/src/io/appium/droiddriver/base/BaseUiDevice.java
new file mode 100644
index 0000000..5b6d135
--- /dev/null
+++ b/src/io/appium/droiddriver/base/BaseUiDevice.java
@@ -0,0 +1,113 @@
+/*
+ * 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 io.appium.droiddriver.base;
+
+import android.app.Service;
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.CompressFormat;
+import android.os.PowerManager;
+import android.util.Log;
+import android.view.KeyEvent;
+
+import java.io.BufferedOutputStream;
+
+import io.appium.droiddriver.UiDevice;
+import io.appium.droiddriver.actions.Action;
+import io.appium.droiddriver.actions.SingleKeyAction;
+import io.appium.droiddriver.util.FileUtils;
+import io.appium.droiddriver.util.Logs;
+
+/**
+ * Base implementation of {@link UiDevice}.
+ */
+public abstract class BaseUiDevice implements UiDevice {
+  // power off may not trigger new events
+  private static final SingleKeyAction POWER_OFF = new SingleKeyAction(KeyEvent.KEYCODE_POWER,
+      0/* metaState */, 0/* timeoutMillis */, false);
+  // power on should always trigger new events
+  private static final SingleKeyAction POWER_ON = new SingleKeyAction(KeyEvent.KEYCODE_POWER,
+      0/* metaState */, 1000L/* timeoutMillis */, false);
+
+  @SuppressWarnings("deprecation")
+  @Override
+  public boolean isScreenOn() {
+    PowerManager pm =
+        (PowerManager) getContext().getInstrumentation().getTargetContext()
+            .getSystemService(Service.POWER_SERVICE);
+    return pm.isScreenOn();
+  }
+
+  @Override
+  public void wakeUp() {
+    if (!isScreenOn()) {
+      perform(POWER_ON);
+    }
+  }
+
+  @Override
+  public void sleep() {
+    if (isScreenOn()) {
+      perform(POWER_OFF);
+    }
+  }
+
+  @Override
+  public void pressBack() {
+    perform(SingleKeyAction.BACK);
+  }
+
+  @Override
+  public boolean perform(Action action) {
+    return getContext().getDriver().getRootElement().perform(action);
+  }
+
+  @Override
+  public boolean takeScreenshot(String path) {
+    return takeScreenshot(path, Bitmap.CompressFormat.PNG, 0);
+  }
+
+  @Override
+  public boolean takeScreenshot(String path, CompressFormat format, int quality) {
+    Logs.call(this, "takeScreenshot", path, quality);
+    Bitmap screenshot = takeScreenshot();
+    if (screenshot == null) {
+      return false;
+    }
+    BufferedOutputStream bos = null;
+    try {
+      bos = FileUtils.open(path);
+      screenshot.compress(format, quality, bos);
+      return true;
+    } catch (Exception e) {
+      Logs.log(Log.WARN, e);
+      return false;
+    } finally {
+      if (bos != null) {
+        try {
+          bos.close();
+        } catch (Exception e) {
+          // ignore
+        }
+      }
+      screenshot.recycle();
+    }
+  }
+
+  protected abstract Bitmap takeScreenshot();
+
+  protected abstract DroidDriverContext<?, ?> getContext();
+}