aura: Touch state file after first browser is ready.

chrome/browser/chromeos/wm_ipc.h

-// 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_CHROMEOS_WM_IPC_H_
-#define CHROME_BROWSER_CHROMEOS_WM_IPC_H_
-#pragma once
-
-#include <gtk/gtk.h>
-#include <map>
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/logging.h"
-#include "third_party/cros_system_api/window_manager/chromeos_wm_ipc_enums.h"
-
-typedef unsigned long Atom;
-typedef unsigned long XID;
-
-namespace base {
-template <typename T> struct DefaultLazyInstanceTraits;
-}
-namespace gfx {
-class Rect;
-}
-
-namespace chromeos {
-
-class WmIpc {
- public:
-  enum AtomType {
-    ATOM_CHROME_LAYOUT_MODE = 0,
-    ATOM_CHROME_LOGGED_IN,
-    ATOM_CHROME_STATE,
-    ATOM_CHROME_STATE_COLLAPSED_PANEL,
-    ATOM_CHROME_STATE_STATUS_HIDDEN,
-    ATOM_CHROME_STATUS_BOUNDS,
-    ATOM_CHROME_WINDOW_TYPE,
-    ATOM_CHROME_WM_MESSAGE,
-    ATOM_MANAGER,
-    ATOM_STRING,
-    ATOM_UTF8_STRING,
-    ATOM_WM_S0,
-    kNumAtoms,
-  };
-
-  struct Message {
-   public:
-    Message() {
-      Init(WM_IPC_MESSAGE_UNKNOWN);
-    }
-    // WmIpcMessageType is defined in chromeos_wm_ipc_enums.h.
-    explicit Message(WmIpcMessageType type) {
-      Init(type);
-    }
-
-    WmIpcMessageType type() const { return type_; }
-    void set_type(WmIpcMessageType type) { type_ = type; }
-
-    inline int max_params() const {
-      return arraysize(params_);
-    }
-    long param(int index) const {
-      DCHECK_GE(index, 0);
-      DCHECK_LT(index, max_params());
-      return params_[index];
-    }
-    void set_param(int index, long value) {
-      DCHECK_GE(index, 0);
-      DCHECK_LT(index, max_params());
-      params_[index] = value;
-    }
-
-   private:
-    // Common initialization code shared between constructors.
-    void Init(WmIpcMessageType type) {
-      set_type(type);
-      for (int i = 0; i < max_params(); ++i) {
-        set_param(i, 0);
-      }
-    }
-
-    // Type of message that was sent.
-    WmIpcMessageType type_;
-
-    // Type-specific data.  This is bounded by the number of 32-bit values
-    // that we can pack into a ClientMessageEvent -- it holds five, but we
-    // use the first one to store the message type.
-    long params_[4];
-  };
-
-  // Returns the single instance of WmIpc.
-  static WmIpc* instance();
-
-  WmIpcLayoutMode layout_mode() const { return layout_mode_; }
-
-  // Gets or sets a property describing a window's type.
-  // WmIpcMessageType is defined in chromeos_wm_ipc_enums.h.  Type-specific
-  // parameters may also be supplied.  The caller is responsible for trapping
-  // errors from the X server.
-  bool SetWindowType(GtkWidget* widget,
-                     WmIpcWindowType type,
-                     const std::vector<int>* params);
-
-  // Gets the string name of an atom from the AtomType enum.
-  std::string GetAtomName(AtomType type) const;
-
-  // Gets the type of the window, and any associated parameters. The
-  // caller is responsible for trapping errors from the X server.  If
-  // the parameters are not interesting to the caller, NULL may be
-  // passed for |params|.
-  WmIpcWindowType GetWindowType(GtkWidget* widget, std::vector<int>* params);
-
-  // Gets the set of atoms contained in a window's _CHROME_STATE property.
-  // Returns false if the property isn't set.
-  bool GetWindowState(GtkWidget* widget, std::set<AtomType>* atom_types);
-
-  // Sends a message to the WM.
-  void SendMessage(const Message& msg);
-
-  // If |event| is a valid Message it is decoded into |msg| and true is
-  // returned. If false is returned, |event| is not a valid Message.
-  bool DecodeMessage(const GdkEventClient& event, Message* msg);
-
-  // Handles ClientMessage events that weren't decodable using DecodeMessage().
-  // Specifically, this catches messages about the WM_S0 selection that get sent
-  // when a window manager process starts (so that we can re-run InitWmInfo()).
-  // See ICCCM 2.8 for more info about MANAGER selections.
-  void HandleNonChromeClientMessageEvent(const GdkEventClient& event);
-
-  // Handle an event reporting a property change on the root window.
-  void HandleRootWindowPropertyEvent(const GdkEventProperty& event);
-
-  // Sets a _CHROME_LOGGED_IN property on the root window describing whether
-  // the user is currently logged in or not.
-  void SetLoggedInProperty(bool logged_in);
-
-  // Sets a _CHROME_STATUS_BOUNDS property on toplevel window |widget|
-  // describing the status area's bounds within the window.
-  void SetStatusBoundsProperty(GtkWidget* widget, const gfx::Rect& bounds);
-
-  // Sends a message to the window manager notifying it that we're signing out.
-  void NotifyAboutSignout();
-
- private:
-  friend struct base::DefaultLazyInstanceTraits<WmIpc>;
-
-  WmIpc();
-  ~WmIpc();
-
-  // Initializes 'wm_' and sends the window manager a message telling it the
-  // version of the IPC protocol that we support.  This is called in our
-  // constructor, but needs to be re-run if the window manager gets restarted.
-  void InitWmInfo();
-
-  // Updates |layout_mode_| based on the current value of the root window's
-  // _CHROME_LAYOUT_MODE property.
-  void FetchLayoutModeProperty();
-
-  // Maps between our Atom enum and the X server's atom IDs and from the
-  // server's IDs to atoms' string names.
-  std::map<AtomType, Atom> type_to_atom_;
-  std::map<Atom, AtomType> atom_to_type_;
-  std::map<Atom, std::string> atom_to_string_;
-
-  // Cached value of type_to_atom_[ATOM_CHROME_WM_MESSAGE].
-  Atom wm_message_atom_;
-
-  // Handle to the WM. Used for sending messages.
-  XID wm_;
-
-  // The current value of the root window's _CHROME_LAYOUT_MODE property.
-  WmIpcLayoutMode layout_mode_;
-
-  DISALLOW_COPY_AND_ASSIGN(WmIpc);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_WM_IPC_H_