| Flutter iOS Embedder |

ios_external_view_embedder.mm
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1 // Copyright 2013 The Flutter 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 #import "flutter/shell/platform/darwin/ios/ios_external_view_embedder.h"
6
7 #include "flutter/common/constants.h"
8
9 namespace flutter {
10
11 IOSExternalViewEmbedder::IOSExternalViewEmbedder(
12 const std::shared_ptr<FlutterPlatformViewsController>& platform_views_controller,
13 std::shared_ptr<IOSContext> context)
14 : platform_views_controller_(platform_views_controller), ios_context_(std::move(context)) {
15 FML_CHECK(ios_context_);
16 }
17
18 IOSExternalViewEmbedder::~IOSExternalViewEmbedder() = default;
19
20 // |ExternalViewEmbedder|
21 DlCanvas* IOSExternalViewEmbedder::GetRootCanvas() {
22 // On iOS, the root surface is created from the on-screen render target. Only the surfaces for the
23 // various overlays are controlled by this class.
24 return nullptr;
25 }
26
27 // |ExternalViewEmbedder|
28 void IOSExternalViewEmbedder::CancelFrame() {
29 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::CancelFrame");
30 FML_CHECK(platform_views_controller_);
31 platform_views_controller_->CancelFrame();
32 }
33
34 // |ExternalViewEmbedder|
35 void IOSExternalViewEmbedder::BeginFrame(
36 GrDirectContext* context,
37 const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {}
38
39 // |ExternalViewEmbedder|
40 void IOSExternalViewEmbedder::PrepareFlutterView(SkISize frame_size, double device_pixel_ratio) {
41 FML_CHECK(platform_views_controller_);
42 platform_views_controller_->BeginFrame(frame_size);
43 }
44
45 // |ExternalViewEmbedder|
46 void IOSExternalViewEmbedder::PrerollCompositeEmbeddedView(
47 int64_t view_id,
48 std::unique_ptr<EmbeddedViewParams> params) {
49 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::PrerollCompositeEmbeddedView");
50 FML_CHECK(platform_views_controller_);
51 platform_views_controller_->PrerollCompositeEmbeddedView(view_id, std::move(params));
52 }
53
54 // |ExternalViewEmbedder|
55 PostPrerollResult IOSExternalViewEmbedder::PostPrerollAction(
56 const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
57 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::PostPrerollAction");
58 FML_CHECK(platform_views_controller_);
59 PostPrerollResult result = platform_views_controller_->PostPrerollAction(raster_thread_merger);
60 return result;
61 }
62
63 // |ExternalViewEmbedder|
64 DlCanvas* IOSExternalViewEmbedder::CompositeEmbeddedView(int64_t view_id) {
65 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::CompositeEmbeddedView");
66 FML_CHECK(platform_views_controller_);
67 return platform_views_controller_->CompositeEmbeddedView(view_id);
68 }
69
70 // |ExternalViewEmbedder|
71 void IOSExternalViewEmbedder::SubmitFlutterView(
72 int64_t flutter_view_id,
73 GrDirectContext* context,
74 const std::shared_ptr<impeller::AiksContext>& aiks_context,
75 std::unique_ptr<SurfaceFrame> frame) {
76 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::SubmitFlutterView");
77 // TODO(dkwingsmt): This class only supports rendering into the implicit view.
78 // Properly support multi-view in the future.
79 FML_DCHECK(flutter_view_id == kFlutterImplicitViewId);
80 FML_CHECK(platform_views_controller_);
81 platform_views_controller_->SubmitFrame(context, ios_context_, std::move(frame));
82 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::DidSubmitFrame");
83 }
84
85 // |ExternalViewEmbedder|
86 void IOSExternalViewEmbedder::EndFrame(
87 bool should_resubmit_frame,
88 const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
89 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::EndFrame");
90 platform_views_controller_->EndFrame(should_resubmit_frame, raster_thread_merger);
91 }
92
93 // |ExternalViewEmbedder|
94 bool IOSExternalViewEmbedder::SupportsDynamicThreadMerging() {
95 return true;
96 }
97
98 // |ExternalViewEmbedder|
99 void IOSExternalViewEmbedder::PushFilterToVisitedPlatformViews(
100 const std::shared_ptr<const DlImageFilter>& filter,
101 const SkRect& filter_rect) {
102 platform_views_controller_->PushFilterToVisitedPlatformViews(filter, filter_rect);
103 }
104
105 // |ExternalViewEmbedder|
106 void IOSExternalViewEmbedder::PushVisitedPlatformView(int64_t view_id) {
107 platform_views_controller_->PushVisitedPlatformView(view_id);
108 }
109
110 } // namespace flutter
ios_external_view_embedder.h
flutter::IOSExternalViewEmbedder::~IOSExternalViewEmbedder
virtual ~IOSExternalViewEmbedder() override
flutter
Definition: accessibility_bridge.h:28
flutter::IOSExternalViewEmbedder::IOSExternalViewEmbedder
IOSExternalViewEmbedder(const std::shared_ptr< FlutterPlatformViewsController > &platform_views_controller, std::shared_ptr< IOSContext > context)
Definition: ios_external_view_embedder.mm:11