Beginnings of Window Modality support.

ui/aura_shell/modality_event_filter.h

Index: ui/aura_shell/modality_event_filter.h
===================================================================
--- ui/aura_shell/modality_event_filter.h	(revision 0)
+++ ui/aura_shell/modality_event_filter.h	(revision 0)
@@ -0,0 +1,45 @@
+// 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_MODALITY_EVENT_FILTER_H_
+#define UI_AURA_SHELL_MODALITY_EVENT_FILTER_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "ui/aura/event_filter.h"
+#include "ui/aura_shell/aura_shell_export.h"
+
+namespace aura_shell {
+namespace internal {
+
+class AURA_SHELL_EXPORT ModalityEventFilter : public aura::EventFilter {
+ public:
+  class AURA_SHELL_EXPORT Delegate {

[sky, 2011/11/16 17:13:06]

move this into it's own header.

+   public:
+    // Returns true if |window| can receive the specified event.
+    virtual bool CanWindowReceiveEvents(aura::Window* window) = 0;
+  };
+
+  ModalityEventFilter(aura::Window* container, Delegate* delegate);
+  virtual ~ModalityEventFilter();
+
+  // Overridden from aura::EventFilter:
+  virtual bool PreHandleKeyEvent(aura::Window* target,
+                                 aura::KeyEvent* event) OVERRIDE;
+  virtual bool PreHandleMouseEvent(aura::Window* target,
+                                   aura::MouseEvent* event) OVERRIDE;
+  virtual ui::TouchStatus PreHandleTouchEvent(
+      aura::Window* target,
+      aura::TouchEvent* event) OVERRIDE;
+
+ private:
+  Delegate* delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(ModalityEventFilter);
+};
+
+}  // namespace internal
+}  // namespace aura_shell
+
+#endif  // UI_AURA_SHELL_MODALITY_EVENT_FILTER_H_
Property changes on: ui\aura_shell\modality_event_filter.h
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Added: svn:eol-style
   + LF