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1 // Copyright 2015 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 MASH_WM_ACCELERATOR_REGISTRAR_IMPL_H_ | |
6 #define MASH_WM_ACCELERATOR_REGISTRAR_IMPL_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 #include <map> | |
11 | |
12 #include "base/callback.h" | |
13 #include "base/macros.h" | |
14 #include "components/mus/public/interfaces/accelerator_registrar.mojom.h" | |
15 #include "mash/wm/root_windows_observer.h" | |
16 #include "mojo/public/cpp/bindings/binding_set.h" | |
17 #include "mojo/public/cpp/bindings/strong_binding.h" | |
18 | |
19 namespace mash { | |
20 namespace wm { | |
21 | |
22 class WindowManagerApplication; | |
23 | |
24 // Manages AcceleratorHandlers from a particular AcceleratorRegistrar | |
25 // connection. This manages its own lifetime, and destroys itself when the | |
26 // AcceleratorRegistrar and all its AcceleratorHandlers are disconnected. Upon | |
27 // destruction, it calls the DestroyCallback. | |
28 class AcceleratorRegistrarImpl : public mus::mojom::AcceleratorRegistrar, | |
29 public RootWindowsObserver { | |
30 public: | |
31 using DestroyCallback = base::Callback<void(AcceleratorRegistrarImpl*)>; | |
32 AcceleratorRegistrarImpl(WindowManagerApplication* wm_app, | |
33 uint32_t accelerator_namespace, | |
34 mojo::InterfaceRequest<AcceleratorRegistrar> request, | |
35 const DestroyCallback& destroy_callback); | |
36 | |
37 void Destroy(); | |
38 | |
39 // Returns true if this AcceleratorRegistrar has an accelerator with the | |
40 // specified id. | |
41 bool OwnsAccelerator(uint32_t accelerator_id) const; | |
42 | |
43 void ProcessAccelerator(uint32_t accelerator_id, mus::mojom::EventPtr event); | |
44 | |
45 private: | |
46 struct Accelerator; | |
47 | |
48 ~AcceleratorRegistrarImpl() override; | |
49 | |
50 uint32_t ComputeAcceleratorId(uint32_t accelerator_id) const; | |
51 void OnBindingGone(); | |
52 void OnHandlerGone(); | |
53 | |
54 void AddAcceleratorToRoot(RootWindowController* root, | |
55 uint32_t namespaced_accelerator_id); | |
56 | |
57 void RemoveAllAccelerators(); | |
58 | |
59 // mus::mojom::AcceleratorRegistrar: | |
60 void SetHandler(mus::mojom::AcceleratorHandlerPtr handler) override; | |
61 void AddAccelerator(uint32_t accelerator_id, | |
62 mus::mojom::EventMatcherPtr matcher, | |
63 const AddAcceleratorCallback& callback) override; | |
64 void RemoveAccelerator(uint32_t accelerator_id) override; | |
65 | |
66 // RootWindowsObserver: | |
67 void OnRootWindowControllerAdded(RootWindowController* controller) override; | |
68 | |
69 WindowManagerApplication* wm_app_; | |
70 mus::mojom::AcceleratorHandlerPtr accelerator_handler_; | |
71 mojo::Binding<AcceleratorRegistrar> binding_; | |
72 uint32_t accelerator_namespace_; | |
73 std::map<uint32_t, Accelerator> accelerators_; | |
74 DestroyCallback destroy_callback_; | |
75 | |
76 DISALLOW_COPY_AND_ASSIGN(AcceleratorRegistrarImpl); | |
77 }; | |
78 | |
79 } // namespace wm | |
80 } // namespace mash | |
81 | |
82 #endif // MASH_WM_ACCELERATOR_REGISTRAR_IMPL_H_ | |
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