| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef UI_BASE_X_X11_FOREIGN_WINDOW_MANAGER_H_ | |
| 6 #define UI_BASE_X_X11_FOREIGN_WINDOW_MANAGER_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/compiler_specific.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "ui/base/x/ui_base_x_export.h" | |
| 14 #include "ui/gfx/x/x11_types.h" | |
| 15 | |
| 16 // A process wide singleton for selecting events on X windows which were not | |
| 17 // created by Chrome. | |
| 18 namespace base { | |
| 19 template <typename T> struct DefaultSingletonTraits; | |
| 20 } | |
| 21 | |
| 22 namespace ui { | |
| 23 | |
| 24 // Manages the events that Chrome has selected on X windows which were not | |
| 25 // created by Chrome. This class allows several clients to select events | |
| 26 // on the same X window. | |
| 27 class UI_BASE_X_EXPORT XForeignWindowManager { | |
| 28 public: | |
| 29 static XForeignWindowManager* GetInstance(); | |
| 30 | |
| 31 // Requests that events associated with |event_mask| on |xid| be reported to | |
| 32 // Chrome. Returns an id to use for canceling the request. | |
| 33 int RequestEvents(XID xid, long event_mask) WARN_UNUSED_RESULT; | |
| 34 | |
| 35 // Cancels the request with |request_id|. Unless there is another request for | |
| 36 // events on the X window associated with |request_id|, this stops Chrome from | |
| 37 // getting events for the X window. | |
| 38 void CancelRequest(int request_id); | |
| 39 | |
| 40 // Called by X11DesktopHandler when |xid| is destroyed. | |
| 41 void OnWindowDestroyed(XID xid); | |
| 42 | |
| 43 private: | |
| 44 friend struct base::DefaultSingletonTraits<XForeignWindowManager>; | |
| 45 | |
| 46 struct Request { | |
| 47 Request(int request_id, long entry_event_mask); | |
| 48 ~Request(); | |
| 49 | |
| 50 int request_id; | |
| 51 long event_mask; | |
| 52 }; | |
| 53 | |
| 54 XForeignWindowManager(); | |
| 55 ~XForeignWindowManager(); | |
| 56 | |
| 57 // Updates which events are selected on |xid|. | |
| 58 void UpdateSelectedEvents(XID xid); | |
| 59 | |
| 60 // The id of the next request. | |
| 61 int next_request_id_; | |
| 62 | |
| 63 typedef std::vector<Request> RequestVector; | |
| 64 std::map<XID, RequestVector> request_map_; | |
| 65 | |
| 66 DISALLOW_COPY_AND_ASSIGN(XForeignWindowManager); | |
| 67 }; | |
| 68 | |
| 69 } // namespace ui | |
| 70 | |
| 71 #endif // UI_BASE_X_X11_FOREIGN_WINDOW_MANAGER_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2313033002:
Refactor X11ForeignWindowManager (Reland) (Closed)
