Made DesktopEnvironment responsible for creation of the disconnect window.

remoting/host/host_window.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.

[Sergey Ulanov, 2013/04/02 19:04:22]

2013

[alexeypa (please no reviews), 2013/04/03 20:26:43]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef REMOTING_HOST_HOST_WINDOW_H_
+#define REMOTING_HOST_HOST_WINDOW_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/threading/non_thread_safe.h"
+#include "remoting/host/ui_strings.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}
+
+namespace remoting {
+
+struct UiStrings;
+
+// Wraps a platform-specific implementation of HostWindow::Core managing its
+// life time.
+class HostWindow : public base::NonThreadSafe {
+ public:
+  ~HostWindow();
+
+  // Creates a platform-specific instance of the continue window.
+  // |continue_callback| is called when the user clicks on the
+  // Continue button to resume the session, or dismisses the window to
+  // disconnect the session.
+  static scoped_ptr<HostWindow> CreateContinueWindow(
+    scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
+    const base::Callback<void(bool)>& continue_callback,
+    const UiStrings& ui_strings);
+
+  // Creates a platform-specific instance of the disconnect window.
+  // |disconnect_callback| is called when the user clicks on the Disconnect
+  // button to disconnect the session.
+  static scoped_ptr<HostWindow> CreateDisconnectWindow(
+    scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
+    const base::Closure& disconnect_callback,
+    const std::string& username,
+    const UiStrings& ui_strings);
+
+  // HostWindow is a base class for all platform-dependent implementation of
+  // the disconnect and continue windows.
+  class Core : public base::RefCountedThreadSafe<Core> {
+   public:
+    Core(scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
+         scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
+         const UiStrings& ui_strings);
+
+    void Start();
+    void Stop();
+
+   protected:
+    friend class base::RefCountedThreadSafe<Core>;
+    virtual ~Core();
+
+    virtual void StartOnUiThread() = 0;
+    virtual void StopOnUiThread() = 0;
+
+    const scoped_refptr<base::SingleThreadTaskRunner>&
+    caller_task_runner() const {
+      return caller_task_runner_;
+    }
+
+    const scoped_refptr<base::SingleThreadTaskRunner>&
+    ui_task_runner() const {
+      return ui_task_runner_;
+    }
+
+    const UiStrings& ui_strings() const { return ui_strings_; }
+
+   private:
+    // Task runner on which public methods of this class must be called.
+    scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;
+
+    // Task runner on which |window_| is created.
+    scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
+
+    // Localized strings.
+    const UiStrings ui_strings_;
+
+    DISALLOW_COPY_AND_ASSIGN(Core);
+  };
+
+ private:
+  HostWindow(scoped_refptr<Core> core);
+
+  scoped_refptr<Core> core_;
+
+  DISALLOW_COPY_AND_ASSIGN(HostWindow);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_HOST_WINDOW_H_