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
|
// 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_PANELS_PANEL_GTK_H_
#define CHROME_BROWSER_UI_GTK_PANELS_PANEL_GTK_H_
#include <gtk/gtk.h>
#include <map>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/timer.h"
#include "chrome/browser/ui/panels/native_panel.h"
#include "ui/base/gtk/gtk_signal.h"
#include "ui/base/x/active_window_watcher_x_observer.h"
#include "ui/gfx/rect.h"
class Panel;
class PanelTitlebarGtk;
class PanelDragGtk;
class GtkNativePanelTesting;
namespace gfx {
class Image;
}
// An implementation of the native panel in GTK.
class PanelGtk : public NativePanel,
public ui::ActiveWindowWatcherXObserver {
public:
enum PaintState {
PAINT_AS_ACTIVE,
PAINT_AS_INACTIVE,
PAINT_AS_MINIMIZED,
PAINT_FOR_ATTENTION
};
PanelGtk(Panel* panel, const gfx::Rect& bounds);
virtual ~PanelGtk();
void Init();
// Overridden from NativePanel.
virtual void ShowPanel() OVERRIDE;
virtual void ShowPanelInactive() OVERRIDE;
virtual gfx::Rect GetPanelBounds() const OVERRIDE;
virtual void SetPanelBounds(const gfx::Rect& bounds) OVERRIDE;
virtual void SetPanelBoundsInstantly(const gfx::Rect& bounds) OVERRIDE;
virtual void ClosePanel() OVERRIDE;
virtual void ActivatePanel() OVERRIDE;
virtual void DeactivatePanel() OVERRIDE;
virtual bool IsPanelActive() const OVERRIDE;
virtual void PreventActivationByOS(bool prevent_activation) OVERRIDE;
virtual gfx::NativeWindow GetNativePanelHandle() OVERRIDE;
virtual void UpdatePanelTitleBar() OVERRIDE;
virtual void UpdatePanelLoadingAnimations(bool should_animate) OVERRIDE;
virtual void NotifyPanelOnUserChangedTheme() OVERRIDE;
virtual void PanelCut() OVERRIDE;
virtual void PanelCopy() OVERRIDE;
virtual void PanelPaste() OVERRIDE;
virtual void DrawAttention(bool draw_attention) OVERRIDE;
virtual bool IsDrawingAttention() const OVERRIDE;
virtual void HandlePanelKeyboardEvent(
const content::NativeWebKeyboardEvent& event) OVERRIDE;
virtual void FullScreenModeChanged(bool is_full_screen) OVERRIDE;
virtual void PanelExpansionStateChanging(
Panel::ExpansionState old_state,
Panel::ExpansionState new_state) OVERRIDE;
virtual void AttachWebContents(content::WebContents* contents) OVERRIDE;
virtual void DetachWebContents(content::WebContents* contents) OVERRIDE;
// These sizes are in screen coordinates.
virtual gfx::Size WindowSizeFromContentSize(
const gfx::Size& content_size) const OVERRIDE;
virtual gfx::Size ContentSizeFromWindowSize(
const gfx::Size& window_size) const OVERRIDE;
virtual int TitleOnlyHeight() const OVERRIDE;
virtual bool IsPanelAlwaysOnTop() const OVERRIDE;
virtual void SetPanelAlwaysOnTop(bool on_top) OVERRIDE;
virtual void EnableResizeByMouse(bool enable) OVERRIDE;
virtual void UpdatePanelMinimizeRestoreButtonVisibility() OVERRIDE;
virtual NativePanelTesting* CreateNativePanelTesting() OVERRIDE;
// Overridden from ActiveWindowWatcherXObserver.
virtual void ActiveWindowChanged(GdkWindow* active_window) OVERRIDE;
bool UsingDefaultTheme() const;
Panel* panel() const { return panel_.get(); }
PaintState paint_state() const { return paint_state_; }
PanelTitlebarGtk* titlebar() const { return titlebar_.get(); }
private:
friend class GtkNativePanelTesting;
// Applies our custom window shape with rounded top corners.
void UpdateWindowShape(int width, int height);
// Checks to see if the mouse pointer at |x|, |y| is over the border of the
// custom frame (a spot that should trigger a window resize). Returns true if
// it should and sets |edge|.
bool GetWindowEdge(int x, int y, GdkWindowEdge* edge) const;
// Connect/disconnect accelerators for keyboard shortcut support.
void ConnectAccelerators();
void DisconnectAccelerators();
// Returns the image to paint the frame.
gfx::Image GetFrameBackground() const;
gfx::Image GetDefaultFrameBackground() const;
gfx::Image GetThemedFrameBackground() const;
// Animation when panel is first shown.
void RevealPanel();
// Creates helper for handling drags if not already created.
void EnsureDragHelperCreated();
void SetBoundsInternal(const gfx::Rect& bounds);
void LoadingAnimationCallback();
// Returns the size of the window frame around the client content area.
gfx::Size GetNonClientFrameSize() const;
// Invalidate window to force repaint.
void InvalidateWindow();
// Callback for accelerator activation. |user_data| stores the command id
// of the matched accelerator.
static gboolean OnGtkAccelerator(GtkAccelGroup* accel_group,
GObject* acceleratable,
guint keyval,
GdkModifierType modifier,
void* user_data);
CHROMEGTK_CALLBACK_1(PanelGtk, gboolean, OnMainWindowDeleteEvent,
GdkEvent*);
CHROMEGTK_CALLBACK_0(PanelGtk, void, OnMainWindowDestroy);
CHROMEGTK_CALLBACK_1(PanelGtk, gboolean, OnConfigure, GdkEventConfigure*);
// Callback for when the custom frame alignment needs to be redrawn.
CHROMEGTK_CALLBACK_1(PanelGtk, gboolean, OnCustomFrameExpose,
GdkEventExpose*);
// Key press event callback.
CHROMEGTK_CALLBACK_1(PanelGtk, gboolean, OnKeyPress, GdkEventKey*);
// Mouse move and button press callbacks. If mouse hits titlebar,
// the titlebar gets the event, else the window gets the button press.
CHROMEGTK_CALLBACK_1(PanelGtk, gboolean, OnMouseMoveEvent,
GdkEventMotion*);
CHROMEGTK_CALLBACK_1(PanelGtk, gboolean, OnButtonPressEvent,
GdkEventButton*);
CHROMEGTK_CALLBACK_1(PanelGtk, gboolean,
OnTitlebarButtonPressEvent, GdkEventButton*);
CHROMEGTK_CALLBACK_1(PanelGtk, gboolean,
OnTitlebarButtonReleaseEvent, GdkEventButton*);
scoped_ptr<Panel> panel_;
gfx::Rect bounds_;
// True if the panel should always stay on top of other windows.
bool always_on_top_;
// True after panel has been shown.
bool is_shown_;
scoped_ptr<PanelDragGtk> drag_helper_;
// The configure size of the current window, used to figure out whether to
// ignore later configure events. See OnConfigure() for more information.
gfx::Size configure_size_;
// Indicates different painting state, active, drawing attention or else.
PaintState paint_state_;
// Indicates that the panel is currently drawing attention.
bool is_drawing_attention_;
// The timer used to update frames for the Loading Animation.
base::RepeatingTimer<PanelGtk> loading_animation_timer_;
// The current window cursor. We set it to a resize cursor when over the
// custom frame border. We set it to NULL if we want the default cursor.
GdkCursor* frame_cursor_;
// True if the window manager thinks the window is active. Not all window
// managers keep track of this state (_NET_ACTIVE_WINDOW), in which case
// this will always be true.
bool is_active_;
// Top level window.
GtkWindow* window_;
// GtkAlignment that holds the interior components of the chromium window.
// This is used to draw the custom frame border and content shadow.
GtkWidget* window_container_;
// VBox that holds everything (titlebar, web contents).
GtkWidget* window_vbox_;
// EventBox that holds web contents.
GtkWidget* render_area_event_box_;
// We insert and remove WebContents GtkWidgets into this expanded.
GtkWidget* contents_expanded_;
// The accelerator group used to handle accelerators, owned by this object.
GtkAccelGroup* accel_group_;
// The container for the titlebar.
scoped_ptr<PanelTitlebarGtk> titlebar_;
DISALLOW_COPY_AND_ASSIGN(PanelGtk);
};
#endif // CHROME_BROWSER_UI_GTK_PANELS_PANEL_GTK_H_
|
