Index: ui/aura_shell/activation_controller.h |
=================================================================== |
--- ui/aura_shell/activation_controller.h (revision 0) |
+++ ui/aura_shell/activation_controller.h (revision 0) |
@@ -0,0 +1,74 @@ |
+// Copyright (c) 2011 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 UI_AURA_SHELL_ACTIVATION_CONTROLLER_H_ |
+#define UI_AURA_SHELL_ACTIVATION_CONTROLLER_H_ |
+#pragma once |
+ |
+#include "base/basictypes.h" |
+#include "base/compiler_specific.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "ui/aura/client/activation_client.h" |
+#include "ui/aura/root_window_observer.h" |
+#include "ui/aura/window_observer.h" |
+ |
+namespace aura_shell { |
+namespace internal { |
+ |
+class ActivationController : public aura::ActivationClient, |
+ public aura::WindowObserver, |
+ public aura::RootWindowObserver { |
+ public: |
+ ActivationController(); |
+ virtual ~ActivationController(); |
+ |
+ // Returns true if |window| exists within a container that supports |
+ // activation. |
+ static aura::Window* GetActivatableWindow(aura::Window* window); |
+ |
+ // Overridden from aura::ActivationClient: |
+ virtual void ActivateWindow(aura::Window* window) OVERRIDE; |
+ virtual void DeactivateWindow(aura::Window* window) OVERRIDE; |
+ virtual aura::Window* GetActiveWindow() OVERRIDE; |
+ virtual bool CanFocusWindow(aura::Window* window) const OVERRIDE; |
+ |
+ // Overridden from aura::WindowObserver: |
+ virtual void OnWindowVisibilityChanged(aura::Window* window, |
+ bool visible) OVERRIDE; |
+ virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE; |
+ |
+ // Overridden from aura::RootWindowObserver: |
+ virtual void OnWindowInitialized(aura::Window* window) OVERRIDE; |
+ virtual void OnWindowFocused(aura::Window* window) OVERRIDE; |
+ |
+#if defined(UNIT_TEST) |
+ void set_default_container_for_test(aura::Window* window) { |
+ default_container_for_test_ = window; |
+ } |
+#endif |
+ |
+ private: |
+ // Shifts activation to the next window, ignoring |window|. |
+ void ActivateNextWindow(aura::Window* window); |
+ |
+ // Returns the next window that should be activated, ignoring |ignore|. |
+ aura::Window* GetTopmostWindowToActivate(aura::Window* ignore) const; |
+ |
+ // True inside ActivateWindow(). Used to prevent recursion of focus |
+ // change notifications causing activation. |
+ bool updating_activation_; |
+ |
+ // For tests that are not running with a Shell instance, |
+ // ActivationController's attempts to locate the next active window in |
+ // GetTopmostWindowToActivate() will crash, so we provide this way for such |
+ // tests to specify a default container. |
+ aura::Window* default_container_for_test_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ActivationController); |
+}; |
+ |
+} // namespace internal |
+} // namespace aura_shell |
+ |
+#endif // UI_AURA_SHELL_ACTIVATION_CONTROLLER_H_ |
Property changes on: ui\aura_shell\activation_controller.h |
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Added: svn:eol-style |
+ LF |