[Android] Implement renderer side of Gin Java Bridge

This change adds GinJavaBridgeObject and GinJavaBridgeDispatcher classes.

GinJavaBridgeDispatcher is a per-RenderFrame manager of injected
objects. It interacts with the browser side.

GinJavaBridgeObject is a Gin-based wrapper injected into page's context
that exposes methods of the corresponding Java object and receives
method invocation requests from JavaScript.

BUG=355644
R=jochen@chromium.org, thakis@chromium.org

Review URL: https://codereview.chromium.org/259033002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@272997 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 70 insertions, 0 deletions

diff --git a/content/renderer/java/gin_java_bridge_object.h b/content/renderer/java/gin_java_bridge_object.h
new file mode 100644
index 0000000..97b74c5
--- /dev/null
+++ b/content/renderer/java/gin_java_bridge_object.h
@@ -0,0 +1,70 @@
+// Copyright 2014 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.
+
+#ifndef CONTENT_RENDERER_JAVA_GIN_JAVA_BRIDGE_OBJECT_H_
+#define CONTENT_RENDERER_JAVA_GIN_JAVA_BRIDGE_OBJECT_H_
+
+#include <set>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "content/renderer/java/gin_java_bridge_dispatcher.h"
+#include "gin/handle.h"
+#include "gin/interceptor.h"
+#include "gin/object_template_builder.h"
+#include "gin/wrappable.h"
+
+namespace blink {
+class WebFrame;
+}
+
+namespace content {
+
+class GinJavaBridgeValueConverter;
+
+class GinJavaBridgeObject : public gin::Wrappable<GinJavaBridgeObject>,
+                            public gin::NamedPropertyInterceptor {
+ public:
+  static gin::WrapperInfo kWrapperInfo;
+
+  GinJavaBridgeDispatcher::ObjectID object_id() const { return object_id_; }
+
+  // gin::Wrappable.
+  virtual gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
+      v8::Isolate* isolate) OVERRIDE;
+
+  // gin::NamedPropertyInterceptor
+  virtual v8::Local<v8::Value> GetNamedProperty(
+      v8::Isolate* isolate, const std::string& property) OVERRIDE;
+  virtual std::vector<std::string> EnumerateNamedProperties(
+      v8::Isolate* isolate) OVERRIDE;
+
+  static GinJavaBridgeObject* InjectNamed(
+      blink::WebFrame* frame,
+      const base::WeakPtr<GinJavaBridgeDispatcher>& dispatcher,
+      const std::string& object_name,
+      GinJavaBridgeDispatcher::ObjectID object_id);
+  static GinJavaBridgeObject* InjectAnonymous(
+      const base::WeakPtr<GinJavaBridgeDispatcher>& dispatcher,
+      GinJavaBridgeDispatcher::ObjectID object_id);
+
+ private:
+  GinJavaBridgeObject(v8::Isolate* isolate,
+                      const base::WeakPtr<GinJavaBridgeDispatcher>& dispatcher,
+                      GinJavaBridgeDispatcher::ObjectID object_id);
+  virtual ~GinJavaBridgeObject();
+
+  v8::Handle<v8::Value> InvokeMethod(const std::string& name,
+                                     gin::Arguments* args);
+
+  base::WeakPtr<GinJavaBridgeDispatcher> dispatcher_;
+  GinJavaBridgeDispatcher::ObjectID object_id_;
+  scoped_ptr<GinJavaBridgeValueConverter> converter_;
+
+  DISALLOW_COPY_AND_ASSIGN(GinJavaBridgeObject);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_JAVA_GIN_JAVA_BRIDGE_OBJECT_H_