Implement WebStorage API methods

android_webview/java/src/org/chromium/android_webview/AwQuotaManagerBridge.java

Index: android_webview/java/src/org/chromium/android_webview/AwQuotaManagerBridge.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwQuotaManagerBridge.java b/android_webview/java/src/org/chromium/android_webview/AwQuotaManagerBridge.java
new file mode 100644
index 0000000000000000000000000000000000000000..9e51f2a8d5b320eabffea0bd32a9c04bb5521997
--- /dev/null
+++ b/android_webview/java/src/org/chromium/android_webview/AwQuotaManagerBridge.java
@@ -0,0 +1,109 @@
+// Copyright (c) 2013 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.chromium.android_webview;
+
+import org.chromium.base.CalledByNative;
+import org.chromium.base.JNINamespace;
+
+import android.webkit.ValueCallback;
+import android.webkit.WebStorage;
+
+import java.util.Map;
+import java.util.HashMap;
+
+/**
+ * Bridge between android.webview.WebStorage and native QuotaManager. This object is owned by Java
+ * AwBrowserContext and the native side is owned by the native AwBrowserContext.
+ *
+ * TODO(boliu): Actually make this true after Java AwBrowserContext is added.
+ */
+@JNINamespace("android_webview")
+public class AwQuotaManagerBridge {
+    private static AwQuotaManagerBridge sInstance;
+
+    private static native int getDefaultNativeAwQuotaManagerBridge();
+
+    public static AwQuotaManagerBridge getInstance() {
+        if (sInstance == null) {
+            sInstance = new AwQuotaManagerBridge(getDefaultNativeAwQuotaManagerBridge());
+        }
+        return sInstance;
+    }
+
+    private int mNativeAwQuotaManagerBridge;
+
+    private int mNextId;
+    private Map<Integer, ValueCallback<Map<String, WebStorage.Origin>>> mPendingGetOriginCallbacks;
+    private Map<Integer, ValueCallback<Long>> mPendingGetQuotaForOriginCallbacks;
+    private Map<Integer, ValueCallback<Long>> mPendingGetUsageForOriginCallbacks;
+
+    private AwQuotaManagerBridge(int nativeAwQuotaManagerBridge) {
+        mNativeAwQuotaManagerBridge = nativeAwQuotaManagerBridge;
+        mPendingGetOriginCallbacks =
+                new HashMap<Integer, ValueCallback<Map<String, WebStorage.Origin>>>();
+        mPendingGetQuotaForOriginCallbacks = new HashMap<Integer, ValueCallback<Long>>();
+        mPendingGetUsageForOriginCallbacks = new HashMap<Integer, ValueCallback<Long>>();
+        nativeInit(mNativeAwQuotaManagerBridge);
+    }
+
+    private int getNextId() {
+      return ++mNextId;
+    }
+
+    public void deleteAllData() {
+        nativeDeleteAllData(mNativeAwQuotaManagerBridge);
+    }
+
+    public void deleteOrigin(String origin) {
+        nativeDeleteOrigin(mNativeAwQuotaManagerBridge, origin);
+    }
+
+    public void getOrigins(ValueCallback<Map<String, WebStorage.Origin>> callback) {
+        int callbackId = getNextId();
+        assert !mPendingGetOriginCallbacks.containsKey(callbackId);
+        mPendingGetOriginCallbacks.put(callbackId, callback);
+        nativeGetOrigins(mNativeAwQuotaManagerBridge, callbackId);
+    }
+
+    public void getQuotaForOrigin(String origin, ValueCallback<Long> callback) {
+        int callbackId = getNextId();
+        assert !mPendingGetQuotaForOriginCallbacks.containsKey(callbackId);
+        mPendingGetQuotaForOriginCallbacks.put(callbackId, callback);
+        nativeGetQuotaForOrigin(mNativeAwQuotaManagerBridge, origin, callbackId);
+    }
+
+    public void getUsageForOrigin(String origin, ValueCallback<Long> callback) {
+        int callbackId = getNextId();
+        assert !mPendingGetUsageForOriginCallbacks.containsKey(callbackId);
+        mPendingGetUsageForOriginCallbacks.put(callbackId, callback);
+        nativeGetUsageForOrigin(mNativeAwQuotaManagerBridge, origin, callbackId);
+    }
+
+    // @CalledByNative
+    private void onGetOriginsCallback(int callbackId, byte[][] origin, long[] quota, long[] usage) {
+        // TODO(boliu)
+    }
+
+    // @CalledByNative
+    private void onGetQuotaForOriginCallback(int callbackId, long quota) {
+      assert mPendingGetQuotaForOriginCallbacks.containsKey(callbackId);
+      mPendingGetQuotaForOriginCallbacks.remove(callbackId).onReceiveValue(quota);
+    }
+
+    // @CalledByNative
+    private void onGetUsageForOriginCallback(int callbackId, long usage) {
+      assert mPendingGetUsageForOriginCallbacks.containsKey(callbackId);
+      mPendingGetUsageForOriginCallbacks.remove(callbackId).onReceiveValue(usage);
+    }
+
+    private native void nativeInit(int nativeAwQuotaManagerBridge);
+    private native void nativeDeleteAllData(int nativeAwQuotaManagerBridge);
+    private native void nativeDeleteOrigin(int nativeAwQuotaManagerBridge, String origin);
+    private native void nativeGetOrigins(int nativeAwQuotaManagerBridge, int callbackId);
+    private native void nativeGetQuotaForOrigin(int nativeAwQuotaManagerBridge, String origin,
+            int callbackId);
+    private native void nativeGetUsageForOrigin(int nativeAwQuotaManagerBridge, String origin,
+            int callbackId);
+}