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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 gl::ScopedJavaSurface surface; |
| 108 // TODO(liberato): ask binder for the surface here. |
| 109 SetJavaSurface(std::move(surface)); |
| 110 received_surface_ = true; |
| 111 config_.ready_cb.Run(); |
| 112 } |
| 113 |
| 114 void MojoAndroidOverlay::OnDestroyed() { |
| 115 // Note that |overlay_ptr_| might not be bound yet, or we might not have ever |
| 116 // gotten a surface. Regardless, the overlay cannot be used. |
| 117 config_.destroyed_cb.Run(); |
| 118 |
| 119 // Note: we do not delete |overlay_ptr_| here. Our client must delete us to |
| 120 // signal that we should do that, since it still might be in use. |
| 121 } |
| 122 |
| 123 } // namespace media |
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