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1 // Copyright 2016 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 ASH_COMMON_SYSTEM_TOAST_TOAST_MANAGER_H_ | |
6 #define ASH_COMMON_SYSTEM_TOAST_TOAST_MANAGER_H_ | |
7 | |
8 #include <deque> | |
9 #include <memory> | |
10 #include <string> | |
11 | |
12 #include "ash/ash_export.h" | |
13 #include "ash/common/system/toast/toast_data.h" | |
14 #include "ash/common/system/toast/toast_overlay.h" | |
15 #include "base/memory/weak_ptr.h" | |
16 | |
17 namespace ash { | |
18 | |
19 // Class managing toast requests. | |
20 class ASH_EXPORT ToastManager : public ToastOverlay::Delegate { | |
21 public: | |
22 ToastManager(); | |
23 ~ToastManager() override; | |
24 | |
25 // Show a toast. If there are queued toasts, succeeding toasts are queued as | |
26 // well, and are shown one by one. | |
27 void Show(const ToastData& data); | |
28 | |
29 void Cancel(const std::string& id); | |
30 | |
31 // ToastOverlay::Delegate overrides: | |
32 void OnClosed() override; | |
33 | |
34 private: | |
35 friend class ToastManagerTest; | |
36 | |
37 void ShowLatest(); | |
38 void OnDurationPassed(int toast_number); | |
39 | |
40 ToastOverlay* GetCurrentOverlayForTesting() { return overlay_.get(); } | |
41 int serial_for_testing() const { return serial_; } | |
42 void ResetSerialForTesting() { serial_ = 0; } | |
43 | |
44 // ID of the toast which is currently shown. Empty if no toast is visible. | |
45 std::string current_toast_id_; | |
46 | |
47 int serial_ = 0; | |
48 std::deque<ToastData> queue_; | |
49 std::unique_ptr<ToastOverlay> overlay_; | |
50 | |
51 base::WeakPtrFactory<ToastManager> weak_ptr_factory_; | |
52 | |
53 DISALLOW_COPY_AND_ASSIGN(ToastManager); | |
54 }; | |
55 | |
56 } // namespace ash | |
57 | |
58 #endif // ASH_COMMON_SYSTEM_TOAST_TOAST_MANAGER_H_ | |
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