headless: Initial headless embedder API implementation

headless/lib/headless_web_contents_impl.h

+// Copyright 2015 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 HEADLESS_LIB_HEADLESS_WEB_CONTENTS_IMPL_H_
+#define HEADLESS_LIB_HEADLESS_WEB_CONTENTS_IMPL_H_
+
+#include "headless/public/headless_web_contents.h"
+
+class SkBitmap;
+
+namespace aura {
+class WindowTreeHost;
+}
+
+namespace content {
+class WebContents;
+class BrowserContext;
+}
+
+namespace gfx {
+class Size;
+}
+
+namespace headless {
+class HeadlessServiceContext;
+
+class HeadlessWebContentsImpl : public HeadlessWebContents {
+ public:
+  ~HeadlessWebContentsImpl() override;
+
+  // HeadlessWebContents implementation
+  HeadlessWebFrame* GetMainFrame() override;
+  Settings* GetSettings() override;
+  const Settings* GetSettings() const override;
+  content::NavigationController* GetController() override;
+  const content::NavigationController* GetController() const override;
+  std::string GetTitle() const override;
+  const GURL& GetVisibleURL() const override;
+  const GURL& GetLastCommittedURL() const override;
+  bool IsLoading() const override;
+  void SetViewportSize(const gfx::Size& size) override {}
+  void OpenURL(const GURL& url) override;
+  void TakeScreenshot(const ScreenshotCallback& callback) override;
+
+  content::WebContents* web_contents();
+
+ private:
+  friend class HeadlessBrowserImpl;
+
+  HeadlessWebContentsImpl(content::BrowserContext* context,
+                          const gfx::Size& initial_size);
+
+  class Delegate;
+  scoped_ptr<Delegate> web_contents_delegate_;
+  scoped_ptr<content::WebContents> web_contents_;
+  scoped_ptr<aura::WindowTreeHost> window_tree_host_;
+
+  DISALLOW_COPY_AND_ASSIGN(HeadlessWebContentsImpl);
+};
+
+}  // namespace headless
+
+#endif  // HEADLESS_LIB_HEADLESS_WEB_CONTENTS_IMPL_H_