aw: Rendering test harness and end-to-end smoke test

android_webview/browser/test/fake_window.h

+// 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 ANDROID_WEBVIEW_BROWSER_TEST_FAKE_WINDOW_H_
+#define ANDROID_WEBVIEW_BROWSER_TEST_FAKE_WINDOW_H_
+
+#include <map>
+
+#include "base/memory/weak_ptr.h"
+#include "base/sequence_checker.h"
+#include "base/single_thread_task_runner.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gl/gl_context.h"
+#include "ui/gl/gl_surface.h"
+
+namespace base {
+class Thread;
+class WaitableEvent;
+}
+
+namespace android_webview {
+
+class BrowserViewRenderer;
+class SharedRendererState;
+
+class WindowHooks {
+ public:
+  virtual ~WindowHooks() {}
+
+  virtual void WillOnDraw() = 0;
+  virtual void DidOnDraw() = 0;
+
+  virtual void WillSyncOnRT(SharedRendererState* functor) = 0;
+  virtual void DidSyncOnRT(SharedRendererState* functor) = 0;
+  virtual void WillProcessOnRT(SharedRendererState* functor) = 0;
+  virtual void DidProcessOnRT(SharedRendererState* functor) = 0;
+  virtual void WillDrawOnRT(SharedRendererState* functor) = 0;
+  virtual void DidDrawOnRT(SharedRendererState* functor) = 0;
+};
+
+class FakeWindow {
+ public:
+  FakeWindow(BrowserViewRenderer* view,
+             WindowHooks* hooks,
+             gfx::Rect location);
+  ~FakeWindow();
+
+  void Detach();
+
+  // BrowserViewRendererClient methods.
+  void RequestDrawGL(bool wait_for_completion);
+  void PostInvalidate();
+
+ private:
+  class ScopedMakeCurrent;
+
+  void OnDrawHardware();
+  void CheckCurrentlyOnUIThread();
+  void CreateRenderThreadIfNeeded();
+
+  void InitializeOnRT(base::WaitableEvent* sync);
+  void DestroyOnRT(base::WaitableEvent* sync);
+  void ProcessFunctorOnRT(base::WaitableEvent* sync);
+  void DrawFunctorOnRT(base::WaitableEvent* sync);
+  void CheckCurrentlyOnRT();
+
+  // const so can be used on both threads.
+  BrowserViewRenderer* const view_;
+  WindowHooks* const hooks_;
+  const gfx::Size surface_size_;
+
+  // UI thread members.
+  gfx::Rect location_;
+  bool on_draw_hardware_pending_;
+  base::SequenceChecker ui_checker_;
+
+  // Render thread members.
+  scoped_ptr<base::Thread> render_thread_;
+  base::SequenceChecker rt_checker_;
+  SharedRendererState* functor_;
+  scoped_refptr<base::SingleThreadTaskRunner> render_thread_loop_;
+  scoped_refptr<gfx::GLSurface> surface_;
+  scoped_refptr<gfx::GLContext> context_;
+  bool context_current_;
+
+  base::WeakPtrFactory<FakeWindow> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakeWindow);
+};
+
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_BROWSER_TEST_FAKE_WINDOW_H_