app_list_linux.h revision c5cede9ae108bb15f6b7a8aea21c7e1fefa2834c 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_UI_VIEWS_APP_LIST_LINUX_APP_LIST_LINUX_H_
6#define CHROME_BROWSER_UI_VIEWS_APP_LIST_LINUX_APP_LIST_LINUX_H_
7
8#include "base/callback.h"
9#include "chrome/browser/ui/app_list/app_list.h"
10#include "chrome/browser/ui/app_list/app_list_positioner.h"
11#include "ui/app_list/views/app_list_view_observer.h"
12
13namespace app_list {
14class AppListView;
15}
16
17namespace gfx {
18class Display;
19class Point;
20class Size;
21}  // namespace gfx
22
23// Responsible for positioning, hiding and showing an AppListView on Linux.
24// This includes watching window activation/deactivation messages to determine
25// if the user has clicked away from it.
26class AppListLinux : public AppList,
27                     public app_list::AppListViewObserver {
28 public:
29  AppListLinux(app_list::AppListView* view,
30               const base::Closure& on_should_dismiss);
31  virtual ~AppListLinux();
32
33  // Finds the position for a window to anchor it to the shelf. This chooses the
34  // most appropriate position for the window based on whether the shelf exists,
35  // the position of the shelf, and the mouse cursor. Returns the intended
36  // coordinates for the center of the window. If |shelf_rect| is empty, assumes
37  // there is no shelf on the given display.
38  static gfx::Point FindAnchorPoint(const gfx::Size& view_size,
39                                    const gfx::Display& display,
40                                    const gfx::Point& cursor,
41                                    AppListPositioner::ScreenEdge edge);
42
43  // AppList:
44  virtual void Show() OVERRIDE;
45  virtual void Hide() OVERRIDE;
46  virtual void MoveNearCursor() OVERRIDE;
47  virtual bool IsVisible() OVERRIDE;
48  virtual void Prerender() OVERRIDE;
49  virtual gfx::NativeWindow GetWindow() OVERRIDE;
50  virtual void SetProfile(Profile* profile) OVERRIDE;
51
52  // app_list::AppListViewObserver:
53  virtual void OnActivationChanged(views::Widget* widget, bool active) OVERRIDE;
54
55 private:
56  // Weak pointer. The view manages its own lifetime.
57  app_list::AppListView* view_;
58  bool window_icon_updated_;
59
60  // Called to request |view_| be closed.
61  base::Closure on_should_dismiss_;
62
63  DISALLOW_COPY_AND_ASSIGN(AppListLinux);
64};
65
66#endif  // CHROME_BROWSER_UI_VIEWS_APP_LIST_LINUX_APP_LIST_LINUX_H_
67