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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
// Copyright (c) 2012 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_BROWSER_ACTIONS_TOOLBAR_GTK_H_
#define CHROME_BROWSER_UI_GTK_BROWSER_ACTIONS_TOOLBAR_GTK_H_
#include <map>
#include <string>
#include "base/compiler_specific.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/extensions/extension_toolbar_model.h"
#include "chrome/browser/ui/gtk/custom_button.h"
#include "chrome/browser/ui/gtk/menu_gtk.h"
#include "chrome/browser/ui/gtk/overflow_button.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/base/gtk/gtk_signal.h"
#include "ui/base/gtk/gtk_signal_registrar.h"
#include "ui/base/gtk/owned_widget_gtk.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/gfx/animation/animation_delegate.h"
#include "ui/gfx/animation/slide_animation.h"
class Browser;
class BrowserActionButton;
class GtkThemeService;
class Profile;
namespace extensions {
class Extension;
}
typedef struct _GdkDragContext GdkDragContext;
typedef struct _GtkWidget GtkWidget;
class BrowserActionsToolbarGtk
: public extensions::ExtensionToolbarModel::Observer,
public gfx::AnimationDelegate,
public MenuGtk::Delegate,
public ui::SimpleMenuModel::Delegate,
public content::NotificationObserver {
public:
explicit BrowserActionsToolbarGtk(Browser* browser);
virtual ~BrowserActionsToolbarGtk();
GtkWidget* widget() { return hbox_.get(); }
GtkWidget* chevron() { return overflow_button_->widget(); }
// Returns the widget in use by the BrowserActionButton corresponding to
// |extension|. Used in positioning the ExtensionInstalledBubble for
// BrowserActions.
GtkWidget* GetBrowserActionWidget(const extensions::Extension* extension);
BrowserActionButton* GetBrowserActionButton(
const extensions::Extension* extension);
int button_count() { return extension_button_map_.size(); }
Browser* browser() { return browser_; }
extensions::ExtensionToolbarModel* model() { return model_; }
// Returns the currently selected tab ID, or -1 if there is none.
int GetCurrentTabId() const;
// Update the display of all buttons.
void Update();
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
bool animating() {
return resize_animation_.is_animating();
}
private:
friend class BrowserActionButton;
// Initialize drag and drop.
void SetupDrags();
// Query the extensions service for all extensions with browser actions,
// and create the UI for them.
void CreateAllButtons();
// Sets the width of the container and overflow state according to the model.
void SetContainerWidth();
// Create the UI for a single browser action. This will stick the button
// at the end of the toolbar.
void CreateButtonForExtension(const extensions::Extension* extension,
int index);
// Delete resources associated with UI for a browser action.
void RemoveButtonForExtension(const extensions::Extension* extension);
// Change the visibility of widget() based on whether we have any buttons
// to show.
void UpdateVisibility();
// Hide the extension popup, if any.
void HidePopup();
// Animate the toolbar to show the given number of icons. This assumes the
// visibility of the overflow button will not change.
void AnimateToShowNIcons(int count);
// Returns true if this extension should be shown in this toolbar. This can
// return false if we are in an incognito window and the extension is disabled
// for incognito.
bool ShouldDisplayBrowserAction(const extensions::Extension* extension);
// extensions::ExtensionToolbarModel::Observer implementation.
virtual void BrowserActionAdded(const extensions::Extension* extension,
int index) OVERRIDE;
virtual void BrowserActionRemoved(
const extensions::Extension* extension) OVERRIDE;
virtual void BrowserActionMoved(const extensions::Extension* extension,
int index) OVERRIDE;
virtual bool BrowserActionShowPopup(
const extensions::Extension* extension) OVERRIDE;
virtual void VisibleCountChanged() OVERRIDE;
// gfx::AnimationDelegate implementation.
virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
// SimpleMenuModel::Delegate implementation.
// In our case, |command_id| is be the index into the model's extension list.
virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
virtual bool GetAcceleratorForCommandId(
int command_id,
ui::Accelerator* accelerator) OVERRIDE;
virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
// MenuGtk::Delegate implementation.
virtual void StoppedShowing() OVERRIDE;
virtual bool AlwaysShowIconForCmd(int command_id) const OVERRIDE;
// Called by the BrowserActionButton in response to drag-begin.
void DragStarted(BrowserActionButton* button, GdkDragContext* drag_context);
// Sets the width of the button area of the toolbar to |new_width|, clamping
// it to appropriate values.
void SetButtonHBoxWidth(int new_width);
// Shows or hides the chevron as appropriate.
void UpdateChevronVisibility();
CHROMEGTK_CALLBACK_4(BrowserActionsToolbarGtk, gboolean, OnDragMotion,
GdkDragContext*, gint, gint, guint);
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, void, OnDragEnd,
GdkDragContext*);
CHROMEGTK_CALLBACK_2(BrowserActionsToolbarGtk, gboolean, OnDragFailed,
GdkDragContext*, GtkDragResult);
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, void, OnHierarchyChanged,
GtkWidget*);
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, void, OnSetFocus, GtkWidget*);
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, gboolean,
OnGripperMotionNotify, GdkEventMotion*);
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, gboolean, OnGripperExpose,
GdkEventExpose*);
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, gboolean,
OnGripperEnterNotify, GdkEventCrossing*);
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, gboolean,
OnGripperLeaveNotify, GdkEventCrossing*);
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, gboolean,
OnGripperButtonRelease, GdkEventButton*);
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, gboolean,
OnGripperButtonPress, GdkEventButton*);
// The overflow button is pressed.
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, gboolean,
OnOverflowButtonPress, GdkEventButton*);
// The user presses a mouse button over the popped up overflow menu.
CHROMEGTK_CALLBACK_1(BrowserActionsToolbarGtk, gboolean,
OnOverflowMenuButtonPress, GdkEventButton*);
CHROMEGTK_CALLBACK_0(BrowserActionsToolbarGtk, void, OnButtonShowOrHide);
Browser* browser_;
Profile* profile_;
GtkThemeService* theme_service_;
extensions::ExtensionToolbarModel* model_;
// Contains the drag gripper, browser action buttons, and overflow chevron.
ui::OwnedWidgetGtk hbox_;
// Contains the browser action buttons.
ui::OwnedWidgetGtk button_hbox_;
// The overflow button for chrome theme mode.
scoped_ptr<CustomDrawButton> overflow_button_;
// The separator just next to the overflow button. Only shown in GTK+ theme
// mode. In Chrome theme mode, the overflow button has a separator built in.
ui::OwnedWidgetGtk separator_;
scoped_ptr<MenuGtk> overflow_menu_;
scoped_ptr<ui::SimpleMenuModel> overflow_menu_model_;
ui::OwnedWidgetGtk overflow_area_;
// A widget for adding extra padding to the left of the overflow button.
ui::OwnedWidgetGtk overflow_alignment_;
// The button that is currently being dragged, or NULL.
BrowserActionButton* drag_button_;
// The new position of the button in the drag, or -1.
int drop_index_;
// Map from extension ID to BrowserActionButton, which is a wrapper for
// a chrome button and related functionality. There should be one entry
// for every extension that has a browser action.
typedef std::map<std::string, linked_ptr<BrowserActionButton> >
ExtensionButtonMap;
ExtensionButtonMap extension_button_map_;
// We use this animation for the smart resizing of the toolbar.
gfx::SlideAnimation resize_animation_;
// This is the final width we are animating towards.
int desired_width_;
// This is the width we were at when we started animating.
int start_width_;
ui::GtkSignalRegistrar signals_;
content::NotificationRegistrar registrar_;
base::WeakPtrFactory<BrowserActionsToolbarGtk> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(BrowserActionsToolbarGtk);
};
#endif // CHROME_BROWSER_UI_GTK_BROWSER_ACTIONS_TOOLBAR_GTK_H_
|
