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Side by Side Diff: views/widget/wm_ipc.h

Issue 8604012: move chromeos bubble setup code to window.cc (Closed) Base URL: http://git.chromium.org/git/chromium.git@trunk
Patch Set: move functionality of wm ipc out of browser so that views/bubble can use it. Created 9 years, 1 month ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_CHROMEOS_LEGACY_WINDOW_MANAGER_WM_IPC_H_ 5 #ifndef VIEWS_WIDGET_WM_IPC_H_
6 #define CHROME_BROWSER_CHROMEOS_LEGACY_WINDOW_MANAGER_WM_IPC_H_ 6 #define VIEWS_WIDGET_WM_IPC_H_
7 #pragma once 7 #pragma once
8 8
9 #include <gtk/gtk.h> 9 #include <gtk/gtk.h>
10 #include <map> 10 #include <map>
11 #include <set> 11 #include <set>
12 #include <string> 12 #include <string>
13 #include <vector> 13 #include <vector>
14 14
15 #include "base/logging.h" 15 #include "base/logging.h"
16 #include "third_party/cros_system_api/window_manager/chromeos_wm_ipc_enums.h" 16 #include "third_party/cros_system_api/window_manager/chromeos_wm_ipc_enums.h"
17 17
18 typedef unsigned long Atom; 18 typedef unsigned long Atom;
19 typedef unsigned long XID; 19 typedef unsigned long XID;
20 20
21 namespace base { 21 namespace base {
22 template <typename T> struct DefaultLazyInstanceTraits; 22 template <typename T> struct DefaultLazyInstanceTraits;
23 } 23 }
24 namespace gfx { 24 namespace gfx {
25 class Rect; 25 class Rect;
26 } 26 }
27 27
28 namespace views {
29
28 namespace chromeos { 30 namespace chromeos {
29 31
30 class WmIpc { 32 class WmIpc {
31 public: 33 public:
32 enum AtomType { 34 enum AtomType {
33 ATOM_CHROME_LAYOUT_MODE = 0, 35 ATOM_CHROME_LAYOUT_MODE = 0,
34 ATOM_CHROME_LOGGED_IN, 36 ATOM_CHROME_LOGGED_IN,
35 ATOM_CHROME_STATE, 37 ATOM_CHROME_STATE,
36 ATOM_CHROME_STATE_COLLAPSED_PANEL, 38 ATOM_CHROME_STATE_COLLAPSED_PANEL,
37 ATOM_CHROME_STATE_STATUS_HIDDEN, 39 ATOM_CHROME_STATE_STATUS_HIDDEN,
38 ATOM_CHROME_STATUS_BOUNDS, 40 ATOM_CHROME_STATUS_BOUNDS,
39 ATOM_CHROME_WINDOW_TYPE, 41 ATOM_CHROME_WINDOW_TYPE,
40 ATOM_CHROME_WM_MESSAGE, 42 ATOM_CHROME_WM_MESSAGE,
41 ATOM_MANAGER, 43 ATOM_MANAGER,
42 ATOM_STRING, 44 ATOM_STRING,
43 ATOM_UTF8_STRING, 45 ATOM_UTF8_STRING,
44 ATOM_WM_S0, 46 ATOM_WM_S0,
45 kNumAtoms, 47 kNumAtoms,
46 }; 48 };
47 49
48 struct Message { 50 struct Message {
49 public: 51 public:
50 Message() { 52 Message() {
51 Init(WM_IPC_MESSAGE_UNKNOWN); 53 Init(::chromeos::WM_IPC_MESSAGE_UNKNOWN);
52 } 54 }
53 // WmIpcMessageType is defined in chromeos_wm_ipc_enums.h. 55 // WmIpcMessageType is defined in chromeos_wm_ipc_enums.h.
54 explicit Message(WmIpcMessageType type) { 56 explicit Message(::chromeos::WmIpcMessageType type) {
55 Init(type); 57 Init(type);
56 } 58 }
57 59
58 WmIpcMessageType type() const { return type_; } 60 ::chromeos::WmIpcMessageType type() const { return type_; }
59 void set_type(WmIpcMessageType type) { type_ = type; } 61 void set_type(::chromeos::WmIpcMessageType type) { type_ = type; }
60 62
61 inline int max_params() const { 63 inline int max_params() const {
62 return arraysize(params_); 64 return arraysize(params_);
63 } 65 }
64 long param(int index) const { 66 long param(int index) const {
65 DCHECK_GE(index, 0); 67 DCHECK_GE(index, 0);
66 DCHECK_LT(index, max_params()); 68 DCHECK_LT(index, max_params());
67 return params_[index]; 69 return params_[index];
68 } 70 }
69 void set_param(int index, long value) { 71 void set_param(int index, long value) {
70 DCHECK_GE(index, 0); 72 DCHECK_GE(index, 0);
71 DCHECK_LT(index, max_params()); 73 DCHECK_LT(index, max_params());
72 params_[index] = value; 74 params_[index] = value;
73 } 75 }
74 76
75 private: 77 private:
76 // Common initialization code shared between constructors. 78 // Common initialization code shared between constructors.
77 void Init(WmIpcMessageType type) { 79 void Init(::chromeos::WmIpcMessageType type) {
78 set_type(type); 80 set_type(type);
79 for (int i = 0; i < max_params(); ++i) { 81 for (int i = 0; i < max_params(); ++i) {
80 set_param(i, 0); 82 set_param(i, 0);
81 } 83 }
82 } 84 }
83 85
84 // Type of message that was sent. 86 // Type of message that was sent.
85 WmIpcMessageType type_; 87 ::chromeos::WmIpcMessageType type_;
86 88
87 // Type-specific data. This is bounded by the number of 32-bit values 89 // Type-specific data. This is bounded by the number of 32-bit values
88 // that we can pack into a ClientMessageEvent -- it holds five, but we 90 // that we can pack into a ClientMessageEvent -- it holds five, but we
89 // use the first one to store the message type. 91 // use the first one to store the message type.
90 long params_[4]; 92 long params_[4];
91 }; 93 };
92 94
93 // Returns the single instance of WmIpc. 95 // Returns the single instance of WmIpc.
94 static WmIpc* instance(); 96 static WmIpc* instance();
95 97
96 WmIpcLayoutMode layout_mode() const { return layout_mode_; }
97
98 // Gets or sets a property describing a window's type. 98 // Gets or sets a property describing a window's type.
99 // WmIpcMessageType is defined in chromeos_wm_ipc_enums.h. Type-specific 99 // WmIpcMessageType is defined in chromeos_wm_ipc_enums.h. Type-specific
100 // parameters may also be supplied. The caller is responsible for trapping 100 // parameters may also be supplied. The caller is responsible for trapping
101 // errors from the X server. 101 // errors from the X server.
102 bool SetWindowType(GtkWidget* widget, 102 bool SetWindowType(GtkWidget* widget,
103 WmIpcWindowType type, 103 ::chromeos::WmIpcWindowType type,
104 const std::vector<int>* params); 104 const std::vector<int>* params);
105 105
106 // Gets the string name of an atom from the AtomType enum. 106 // Gets the string name of an atom from the AtomType enum.
107 std::string GetAtomName(AtomType type) const; 107 std::string GetAtomName(AtomType type) const;
108 108
109 // Gets the type of the window, and any associated parameters. The 109 // Gets the type of the window, and any associated parameters. The
110 // caller is responsible for trapping errors from the X server. If 110 // caller is responsible for trapping errors from the X server. If
111 // the parameters are not interesting to the caller, NULL may be 111 // the parameters are not interesting to the caller, NULL may be
112 // passed for |params|. 112 // passed for |params|.
113 WmIpcWindowType GetWindowType(GtkWidget* widget, std::vector<int>* params); 113 ::chromeos::WmIpcWindowType GetWindowType(GtkWidget* widget,
114 std::vector<int>* params);
114 115
115 // Gets the set of atoms contained in a window's _CHROME_STATE property. 116 // Gets the set of atoms contained in a window's _CHROME_STATE property.
116 // Returns false if the property isn't set. 117 // Returns false if the property isn't set.
117 bool GetWindowState(GtkWidget* widget, std::set<AtomType>* atom_types); 118 bool GetWindowState(GtkWidget* widget, std::set<AtomType>* atom_types);
118 119
119 // Sends a message to the WM. 120 // Sends a message to the WM.
120 void SendMessage(const Message& msg); 121 void SendMessage(const views::chromeos::WmIpc::Message& msg);
121 122
122 // If |event| is a valid Message it is decoded into |msg| and true is 123 // If |event| is a valid Message it is decoded into |msg| and true is
123 // returned. If false is returned, |event| is not a valid Message. 124 // returned. If false is returned, |event| is not a valid Message.
124 bool DecodeMessage(const GdkEventClient& event, Message* msg); 125 bool DecodeMessage(const GdkEventClient& event,
126 views::chromeos::WmIpc::Message* msg);
125 127
126 // Handles ClientMessage events that weren't decodable using DecodeMessage(). 128 // Handles ClientMessage events that weren't decodable using DecodeMessage().
127 // Specifically, this catches messages about the WM_S0 selection that get sent 129 // Specifically, this catches messages about the WM_S0 selection that get sent
128 // when a window manager process starts (so that we can re-run InitWmInfo()). 130 // when a window manager process starts (so that we can re-run InitWmInfo()).
129 // See ICCCM 2.8 for more info about MANAGER selections. 131 // See ICCCM 2.8 for more info about MANAGER selections.
130 void HandleNonChromeClientMessageEvent(const GdkEventClient& event); 132 void HandleNonChromeClientMessageEvent(const GdkEventClient& event);
131 133
132 // Handle an event reporting a property change on the root window.
133 void HandleRootWindowPropertyEvent(const GdkEventProperty& event);
134
135 // Sets a _CHROME_LOGGED_IN property on the root window describing whether 134 // Sets a _CHROME_LOGGED_IN property on the root window describing whether
136 // the user is currently logged in or not. 135 // the user is currently logged in or not.
137 void SetLoggedInProperty(bool logged_in); 136 void SetLoggedInProperty(bool logged_in);
138 137
139 // Sets a _CHROME_STATUS_BOUNDS property on toplevel window |widget| 138 // Sets a _CHROME_STATUS_BOUNDS property on toplevel window |widget|
140 // describing the status area's bounds within the window. 139 // describing the status area's bounds within the window.
141 void SetStatusBoundsProperty(GtkWidget* widget, const gfx::Rect& bounds); 140 void SetStatusBoundsProperty(GtkWidget* widget, const gfx::Rect& bounds);
142 141
143 // Sends a message to the window manager notifying it that we're signing out. 142 // Sends a message to the window manager notifying it that we're signing out.
144 void NotifyAboutSignout(); 143 void NotifyAboutSignout();
145 144
145 // Accessor for type_to_atom map
146 std::map<AtomType, Atom>* type_to_atom() {
147 return &type_to_atom_;
148 }
149
146 private: 150 private:
147 friend struct base::DefaultLazyInstanceTraits<WmIpc>; 151 friend struct base::DefaultLazyInstanceTraits<WmIpc>;
148 152
149 WmIpc(); 153 WmIpc();
150 ~WmIpc(); 154 ~WmIpc();
151 155
152 // Initializes 'wm_' and sends the window manager a message telling it the 156 // Initializes 'wm_' and sends the window manager a message telling it the
153 // version of the IPC protocol that we support. This is called in our 157 // version of the IPC protocol that we support. This is called in our
154 // constructor, but needs to be re-run if the window manager gets restarted. 158 // constructor, but needs to be re-run if the window manager gets restarted.
155 void InitWmInfo(); 159 void InitWmInfo();
156 160
157 // Updates |layout_mode_| based on the current value of the root window's
158 // _CHROME_LAYOUT_MODE property.
159 void FetchLayoutModeProperty();
160
161 // Maps between our Atom enum and the X server's atom IDs and from the 161 // Maps between our Atom enum and the X server's atom IDs and from the
162 // server's IDs to atoms' string names. 162 // server's IDs to atoms' string names.
163 std::map<AtomType, Atom> type_to_atom_; 163 std::map<AtomType, Atom> type_to_atom_;
164 std::map<Atom, AtomType> atom_to_type_; 164 std::map<Atom, AtomType> atom_to_type_;
165 std::map<Atom, std::string> atom_to_string_; 165 std::map<Atom, std::string> atom_to_string_;
166 166
167 // Cached value of type_to_atom_[ATOM_CHROME_WM_MESSAGE]. 167 // Cached value of type_to_atom_[ATOM_CHROME_WM_MESSAGE].
168 Atom wm_message_atom_; 168 Atom wm_message_atom_;
169 169
170 // Handle to the WM. Used for sending messages. 170 // Handle to the WM. Used for sending messages.
171 XID wm_; 171 XID wm_;
172 172
173 // The current value of the root window's _CHROME_LAYOUT_MODE property.
174 WmIpcLayoutMode layout_mode_;
175
176 DISALLOW_COPY_AND_ASSIGN(WmIpc); 173 DISALLOW_COPY_AND_ASSIGN(WmIpc);
177 }; 174 };
178 175
179 } // namespace chromeos 176 } // namespace chromeos
180 177
178 } // namespace views
179
181 #endif // CHROME_BROWSER_CHROMEOS_LEGACY_WINDOW_MANAGER_WM_IPC_H_ 180 #endif // CHROME_BROWSER_CHROMEOS_LEGACY_WINDOW_MANAGER_WM_IPC_H_
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