1 files changed, 106 insertions, 0 deletions
diff --git a/tools/layoutlib/bridge/src/android/os/SystemProperties_Delegate.java b/tools/layoutlib/bridge/src/android/os/SystemProperties_Delegate.java
new file mode 100644
index 0000000..c278557
--- /dev/null
+++ b/tools/layoutlib/bridge/src/android/os/SystemProperties_Delegate.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2014 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 android.os;
+
+import com.android.layoutlib.bridge.Bridge;
+import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
+
+import java.util.Map;
+
+/**
+ * Delegate implementing the native methods of android.os.SystemProperties.
+ *
+ * Through the layoutlib_create tool, the original native methods of SystemProperties have been
+ * replaced by calls to methods of the same name in this delegate class.
+ *
+ * Because it's a stateless class to start with, there's no need to keep a {@code DelegateManager}
+ * around to map int to instance of the delegate.
+ */
+public class SystemProperties_Delegate {
+
+    @LayoutlibDelegate
+    /*package*/ static String native_get(String key) {
+        return native_get(key, null);
+    }
+
+    @LayoutlibDelegate
+    /*package*/ static String native_get(String key, String def) {
+        Map<String, String> properties = Bridge.getPlatformProperties();
+        String value = properties.get(key);
+        if (value != null) {
+            return value;
+        }
+
+        return def;
+    }
+
+    @LayoutlibDelegate
+    /*package*/ static int native_get_int(String key, int def) {
+        Map<String, String> properties = Bridge.getPlatformProperties();
+        String value = properties.get(key);
+        if (value != null) {
+            return Integer.decode(value);
+        }
+
+        return def;
+    }
+
+    @LayoutlibDelegate
+    /*package*/ static long native_get_long(String key, long def) {
+        Map<String, String> properties = Bridge.getPlatformProperties();
+        String value = properties.get(key);
+        if (value != null) {
+            return Long.decode(value);
+        }
+
+        return def;
+    }
+
+    /**
+     * Values 'n', 'no', '0', 'false' or 'off' are considered false.
+     * Values 'y', 'yes', '1', 'true' or 'on' are considered true.
+     */
+    @LayoutlibDelegate
+    /*package*/ static boolean native_get_boolean(String key, boolean def) {
+        Map<String, String> properties = Bridge.getPlatformProperties();
+        String value = properties.get(key);
+
+        if ("n".equals(value) || "no".equals(value) || "0".equals(value) || "false".equals(value)
+                || "off".equals(value)) {
+            return false;
+        }
+        //noinspection SimplifiableIfStatement
+        if ("y".equals(value) || "yes".equals(value) || "1".equals(value) || "true".equals(value)
+                || "on".equals(value)) {
+            return true;
+        }
+
+        return def;
+    }
+
+    @LayoutlibDelegate
+    /*package*/ static void native_set(String key, String def) {
+        Map<String, String> properties = Bridge.getPlatformProperties();
+        properties.put(key, def);
+    }
+
+    @LayoutlibDelegate
+    /*package*/ static void native_add_change_callback() {
+        // pass.
+    }
+}
+