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1 // Copyright 2017 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 #include "media/mojo/clients/mojo_android_overlay.h" | |
6 | |
7 #include "mojo/public/cpp/bindings/associated_binding.h" | |
8 #include "mojo/public/cpp/bindings/binding.h" | |
9 #include "services/service_manager/public/cpp/connect.h" | |
10 #include "services/service_manager/public/interfaces/interface_provider.mojom.h" | |
11 | |
12 namespace media { | |
13 | |
14 // Callback that we send to the provider impl. It just notifies the overlay. | |
15 // Will be deleted before the MojoAndroidOverlay that owns it is. | |
16 class MojoAndroidOverlayClient : public mojom::AndroidOverlayClient { | |
17 public: | |
18 MojoAndroidOverlayClient(mojom::AndroidOverlayClientRequest request, | |
19 MojoAndroidOverlay* overlay) | |
20 : overlay_(overlay), binding_(this, std::move(request)) {} | |
21 | |
22 void OnInitialized(mojom::AndroidOverlayPtr ptr) override { | |
23 overlay_->OnInitialized(std::move(ptr)); | |
24 } | |
25 | |
26 void OnSurfaceReady(uint64_t surface_key) override { | |
27 overlay_->OnSurfaceReady(surface_key); | |
28 } | |
29 | |
30 void OnDestroyed() override { overlay_->OnDestroyed(); } | |
31 | |
32 private: | |
33 MojoAndroidOverlay* overlay_; | |
34 mojo::Binding<mojom::AndroidOverlayClient> binding_; | |
35 | |
36 DISALLOW_COPY_AND_ASSIGN(MojoAndroidOverlayClient); | |
37 }; | |
38 | |
39 MojoAndroidOverlay::MojoAndroidOverlay( | |
40 service_manager::mojom::InterfaceProvider* interface_provider, | |
41 int render_frame_id, | |
42 int renderer_pid, | |
43 const AndroidOverlay::Config& config) | |
44 : interface_provider_(interface_provider) { | |
45 // Connect to the provider service. | |
46 mojom::AndroidOverlayProviderPtr provider_ptr; | |
47 service_manager::GetInterface<mojom::AndroidOverlayProvider>( | |
48 interface_provider_, &provider_ptr); | |
49 | |
50 Setup(std::move(provider_ptr), render_frame_id, renderer_pid, config); | |
51 } | |
52 | |
53 MojoAndroidOverlay::MojoAndroidOverlay( | |
54 mojom::AndroidOverlayProviderPtr provider_ptr, | |
55 int render_frame_id, | |
56 int renderer_pid, | |
57 const AndroidOverlay::Config& config) { | |
58 Setup(std::move(provider_ptr), render_frame_id, renderer_pid, config); | |
59 } | |
60 | |
61 MojoAndroidOverlay::~MojoAndroidOverlay() { | |
62 // Dropping |overlay_ptr_| will signal to the implementation that we're done | |
63 // with the surface. If a synchronous destroy is pending, then it can be | |
64 // allowed to continue. | |
65 | |
66 // We don't want any callbacks once destruction starts. | |
67 client_ = nullptr; | |
68 } | |
69 | |
70 void MojoAndroidOverlay::Setup(mojom::AndroidOverlayProviderPtr provider_ptr, | |
71 int render_frame_id, | |
72 int renderer_pid, | |
73 const AndroidOverlay::Config& config) { | |
74 config_ = config; | |
75 provider_ptr_ = std::move(provider_ptr); | |
76 | |
77 // Create the overlay client that will notify us. | |
78 mojom::AndroidOverlayClientPtr ptr; | |
79 client_ = base::MakeUnique<MojoAndroidOverlayClient>(MakeRequest(&ptr), this); | |
80 | |
81 // Construct the config. While our caller could provide this, we also want to | |
82 // get (and retain) |config_|. | |
83 mojom::AndroidOverlayConfigPtr mojo_config = | |
84 mojom::AndroidOverlayConfig::New(); | |
85 mojo_config->render_frame_id = render_frame_id; | |
86 mojo_config->renderer_pid = renderer_pid; | |
87 mojo_config->rect = config_.rect; | |
88 provider_ptr_->CreateOverlay(std::move(ptr), std::move(mojo_config)); | |
89 } | |
90 | |
91 void MojoAndroidOverlay::ScheduleLayout(const gfx::Rect& rect) { | |
92 // If we haven't gotten the overlay yet, then ignore this. | |
93 if (!overlay_ptr_.is_bound()) | |
94 return; | |
95 | |
96 if (!received_surface_) | |
97 return; | |
98 | |
99 overlay_ptr_->ScheduleLayout(rect); | |
100 } | |
101 | |
102 void MojoAndroidOverlay::OnInitialized(mojom::AndroidOverlayPtr ptr) { | |
103 overlay_ptr_ = std::move(ptr); | |
104 } | |
105 | |
106 void MojoAndroidOverlay::OnSurfaceReady(uint32_t surface_key) { | |
107 // TODO(liberato): ask binder for the surface. | |
Ken Rockot(use gerrit already)
2017/02/17 06:29:56
Side note in case this is interesting: we're activ
liberato (no reviews please)
2017/02/17 17:47:12
that is very exciting news!
is there a design doc
| |
108 gl::ScopedJavaSurface surface; | |
109 received_surface_ = true; | |
110 config_.ready_cb.Run(std::move(surface)); | |
111 } | |
112 | |
113 void MojoAndroidOverlay::OnDestroyed() { | |
114 // Note that |overlay_ptr_| might not be bound yet, or we might not have ever | |
115 // gotten a surface. Regardless, the overlay cannot be used. | |
116 config_.destroyed_cb.Run(); | |
117 | |
118 // Note: we do not delete |overlay_ptr_| here. Our client must delete us to | |
119 // signal that we should do that, since it still might be in use. | |
120 } | |
121 | |
122 } // namespace media | |
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