| // 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 UI_MESSAGE_CENTER_VIEWS_DESKTOP_POPUP_ALIGNMENT_DELEGATE_H_ |
| #define UI_MESSAGE_CENTER_VIEWS_DESKTOP_POPUP_ALIGNMENT_DELEGATE_H_ |
| |
| #include "base/macros.h" |
| #include "ui/gfx/display_observer.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/message_center/views/popup_alignment_delegate.h" |
| |
| namespace gfx { |
| class Screen; |
| } |
| |
| namespace message_center { |
| namespace test { |
| class MessagePopupCollectionTest; |
| } |
| |
| // The PopupAlignmentDelegate for non-ash Windows/Linux desktop. |
| class MESSAGE_CENTER_EXPORT DesktopPopupAlignmentDelegate |
| : public PopupAlignmentDelegate, |
| public gfx::DisplayObserver { |
| public: |
| DesktopPopupAlignmentDelegate(); |
| virtual ~DesktopPopupAlignmentDelegate(); |
| |
| void StartObserving(gfx::Screen* screen); |
| |
| // Overridden from PopupAlignmentDelegate: |
| virtual int GetToastOriginX(const gfx::Rect& toast_bounds) const OVERRIDE; |
| virtual int GetBaseLine() const OVERRIDE; |
| virtual int GetWorkAreaBottom() const OVERRIDE; |
| virtual bool IsTopDown() const OVERRIDE; |
| virtual bool IsFromLeft() const OVERRIDE; |
| virtual void RecomputeAlignment(const gfx::Display& display) OVERRIDE; |
| |
| private: |
| friend class test::MessagePopupCollectionTest; |
| |
| enum PopupAlignment { |
| POPUP_ALIGNMENT_TOP = 1 << 0, |
| POPUP_ALIGNMENT_LEFT = 1 << 1, |
| POPUP_ALIGNMENT_BOTTOM = 1 << 2, |
| POPUP_ALIGNMENT_RIGHT = 1 << 3, |
| }; |
| |
| // Overridden from gfx::DisplayObserver: |
| virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE; |
| virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE; |
| virtual void OnDisplayMetricsChanged(const gfx::Display& display, |
| uint32_t metrics) OVERRIDE; |
| |
| int32_t alignment_; |
| int64_t display_id_; |
| gfx::Screen* screen_; |
| gfx::Rect work_area_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DesktopPopupAlignmentDelegate); |
| }; |
| |
| } // namespace message_center |
| |
| #endif // UI_MESSAGE_CENTER_VIEWS_DESKTOP_POPUP_ALIGNMENT_DELEGATE_H_ |