headless: Initial headless embedder API implementation

headless/lib/browser/headless_browser_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_BROWSER_HEADLESS_BROWSER_IMPL_H_
+#define HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_IMPL_H_
+
+#include "headless/public/headless_browser.h"
+
+#include "base/memory/scoped_ptr.h"
+#include "base/synchronization/lock.h"
+#include "headless/lib/browser/headless_web_contents_impl.h"
+
+namespace aura {
+class WindowTreeHost;
+}
+
+namespace headless {
+
+class HeadlessBrowserContext;
+class HeadlessBrowserMainParts;
+
+class HeadlessBrowserImpl : public HeadlessBrowser {
+ public:
+  HeadlessBrowserImpl(
+      const base::Callback<void(HeadlessBrowser*)>& on_start_callback,
+      const HeadlessBrowser::Options& options);
+  ~HeadlessBrowserImpl() override;
+
+  // HeadlessBrowser implementation:
+  scoped_ptr<HeadlessWebContents> CreateWebContents(
+      const gfx::Size& size) override;
+  scoped_refptr<base::SingleThreadTaskRunner> BrowserMainThread()
+      const override;
+
+  void Shutdown() override;
+
+  void set_browser_main_parts(HeadlessBrowserMainParts* browser_main_parts);
+  HeadlessBrowserMainParts* browser_main_parts() const;
+
+  HeadlessBrowserContext* browser_context() const;
+
+  void RunOnStartCallback();
+
+  const HeadlessBrowser::Options& options() const { return options_; }
+
+ protected:
+  base::Callback<void(HeadlessBrowser*)> on_start_callback_;
+  HeadlessBrowser::Options options_;
+  HeadlessBrowserMainParts* browser_main_parts_;  // Not owned.
+  scoped_ptr<aura::WindowTreeHost> window_tree_host_;
+
+  DISALLOW_COPY_AND_ASSIGN(HeadlessBrowserImpl);
+};
+
+}  // namespace headless
+
+#endif  // HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_IMPL_H_