Browser Plugin: New Implementation (Browser Side)

content/browser/browser_plugin/test_browser_plugin_guest.h

+// Copyright (c) 2012 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_BROWSER_BROWSER_PLUGIN_TEST_BROWSER_PLUGIN_GUEST_H_
+#define CONTENT_BROWSER_BROWSER_PLUGIN_TEST_BROWSER_PLUGIN_GUEST_H_
+
+#include "base/compiler_specific.h"
+#include "base/process_util.h"
+#include "content/browser/browser_plugin/browser_plugin_guest.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/test/test_utils.h"
+
+class WebContentsImpl;
+
+namespace content {
+
+class RenderProcessHost;
+class RenderViewHost;
+
+// Test class for BrowserPluginGuest.
+//
+// Provides utilities to wait for certain state/messages in BrowserPluginGuest
+// to be used in tests.
+class TestBrowserPluginGuest : public BrowserPluginGuest,
+                               public NotificationObserver {
+ public:
+  TestBrowserPluginGuest(int instance_id,
+                         WebContentsImpl* web_contents,
+                         RenderViewHost* render_view_host);
+  virtual ~TestBrowserPluginGuest();
+
+  // NotificationObserver method override.
+  virtual void Observe(int type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details) OVERRIDE;
+
+  // Overridden methods from BrowserPluginGuest to intercept in test objects.
+  virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE;
+  virtual void SetFocus(bool focused) OVERRIDE;
+  virtual bool ViewTakeFocus(bool reverse) OVERRIDE;
+
+  // Test utilities to wait for a event we are interested in.
+  // Waits until UpdateRect message is sent from the guest, meaning it is
+  // ready/rendered.
+  void WaitForUpdateRectMsg();
+  // Waits until UpdateRect message with a specific size is sent from the guest.
+  void WaitForUpdateRectMsgWithSize(int width, int height);
+  // Waits for focus to reach this guest.
+  void WaitForFocus();
+  // Wait for focus to move out of this guest.
+  void WaitForAdvanceFocus();
+  // Wait until the guest is hidden.
+  void WaitUntilHidden();
+  // Waits until guest crashes.
+  void WaitForCrashed();
+
+ private:
+  // Overridden methods from BrowserPluginGuest to intercept in test objects.
+  virtual void SendMessageToEmbedder(IPC::Message* msg) OVERRIDE;
+
+  int update_rect_count_;
+  bool crash_observed_;
+  bool focus_observed_;
+  bool advance_focus_observed_;
+  bool was_hidden_observed_;
+
+  // For WaitForUpdateRectMsgWithSize().
+  bool waiting_for_update_rect_msg_with_size_;
+  int expected_width_;
+  int expected_height_;
+
+  int last_update_rect_width_;
+  int last_update_rect_height_;
+
+  scoped_refptr<MessageLoopRunner> send_message_loop_runner_;
+  scoped_refptr<MessageLoopRunner> crash_message_loop_runner_;
+  scoped_refptr<MessageLoopRunner> focus_message_loop_runner_;
+  scoped_refptr<MessageLoopRunner> advance_focus_message_loop_runner_;
+  scoped_refptr<MessageLoopRunner> was_hidden_message_loop_runner_;
+
+  // A scoped container for notification registries.
+  NotificationRegistrar registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestBrowserPluginGuest);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_BROWSER_PLUGIN_TEST_BROWSER_PLUGIN_GUEST_H_