1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
// 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 CHROME_BROWSER_UI_GTK_DOWNLOAD_SHELF_GTK_H_
#define CHROME_BROWSER_UI_GTK_DOWNLOAD_SHELF_GTK_H_
#pragma once
#include <gtk/gtk.h>
#include <vector>
#include "base/message_loop.h"
#include "base/scoped_ptr.h"
#include "chrome/browser/download/download_shelf.h"
#include "chrome/browser/ui/gtk/owned_widget_gtk.h"
#include "chrome/browser/ui/gtk/slide_animator_gtk.h"
#include "content/common/notification_observer.h"
#include "content/common/notification_registrar.h"
#include "ui/base/gtk/gtk_signal.h"
#include "ui/gfx/native_widget_types.h"
class BaseDownloadItemModel;
class Browser;
class CustomDrawButton;
class DownloadItemGtk;
class GtkThemeService;
class SlideAnimatorGtk;
namespace gfx {
class Point;
}
class DownloadShelfGtk : public DownloadShelf,
public NotificationObserver,
public SlideAnimatorGtk::Delegate,
public MessageLoopForUI::Observer {
public:
explicit DownloadShelfGtk(Browser* browser, gfx::NativeView view);
~DownloadShelfGtk();
// DownloadShelf implementation.
virtual void AddDownload(BaseDownloadItemModel* download_model);
virtual bool IsShowing() const;
virtual bool IsClosing() const;
virtual void Show();
virtual void Close();
virtual Browser* browser() const;
// SlideAnimatorGtk::Delegate implementation.
virtual void Closed();
// Overridden from NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// Returns the current height of the shelf.
int GetHeight() const;
// MessageLoop::Observer implementation:
virtual void WillProcessEvent(GdkEvent* event);
virtual void DidProcessEvent(GdkEvent* event);
private:
// Remove |download_item| from the download shelf and delete it.
void RemoveDownloadItem(DownloadItemGtk* download_item);
// Get the hbox download items ought to pack themselves into.
GtkWidget* GetHBox() const;
// Show more hidden download items if there is enough space in the shelf.
// It's called when a download item is removed from the shelf or an item's
// size is changed.
void MaybeShowMoreDownloadItems();
// Checks that all download items have been opened, and sets the auto-close
// state of the shelf if so.
void AutoCloseIfPossible();
// Cancels the auto-close state set by AutoCloseIfPossible, including any
// pending close tasks that have already been posted.
void CancelAutoClose();
// A download item has been opened. It might be possible to automatically
// close now.
void ItemOpened();
// Sets whether the shelf should automatically close.
void SetCloseOnMouseOut(bool close);
// Returns whether the given point is within the "zone" of the shelf, which is
// the shelf and a band of 40 pixels on the top of it.
bool IsCursorInShelfZone(const gfx::Point& cursor_screen_coords);
// Synthesized enter-notify and leave-notify events for the shelf's "zone".
void MouseLeftShelf();
void MouseEnteredShelf();
CHROMEGTK_CALLBACK_0(DownloadShelfGtk, void, OnButtonClick);
// The browser that owns this download shelf.
Browser* browser_;
// The top level widget of the shelf.
scoped_ptr<SlideAnimatorGtk> slide_widget_;
// |items_hbox_| holds the download items.
OwnedWidgetGtk items_hbox_;
// |shelf_| is the second highest level widget. See the constructor
// for an explanation of the widget layout.
OwnedWidgetGtk shelf_;
// Top level event box which draws the one pixel border.
GtkWidget* top_border_;
// A GtkEventBox which we color.
GtkWidget* padding_bg_;
// The "Show all downloads..." link.
GtkWidget* link_button_;
// The 'x' that the user can press to hide the download shelf.
scoped_ptr<CustomDrawButton> close_button_;
// Keeps track of our current hide/show state.
bool is_showing_;
// The download items we have added to our shelf.
std::vector<DownloadItemGtk*> download_items_;
// Gives us our colors and theme information.
GtkThemeService* theme_service_;
NotificationRegistrar registrar_;
// True if the shelf will automatically close when the user mouses out.
bool close_on_mouse_out_;
// True if the mouse is within the shelf's bounds, as of the last mouse event
// we received.
bool mouse_in_shelf_;
ScopedRunnableMethodFactory<DownloadShelfGtk> auto_close_factory_;
friend class DownloadItemGtk;
};
#endif // CHROME_BROWSER_UI_GTK_DOWNLOAD_SHELF_GTK_H_
|
