| 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 FLUTTER_ASSERT_ARC
10
11 namespace flutter {
12
13 IOSExternalViewEmbedder::IOSExternalViewEmbedder(
14 const std::shared_ptr<FlutterPlatformViewsController>& platform_views_controller,
15 std::shared_ptr<IOSContext> context)
16 : platform_views_controller_(platform_views_controller), ios_context_(std::move(context)) {
17 FML_CHECK(ios_context_);
18 }
19
20 IOSExternalViewEmbedder::~IOSExternalViewEmbedder() = default;
21
22 // |ExternalViewEmbedder|
23 DlCanvas* IOSExternalViewEmbedder::GetRootCanvas() {
24 // On iOS, the root surface is created from the on-screen render target. Only the surfaces for the
25 // various overlays are controlled by this class.
26 return nullptr;
27 }
28
29 // |ExternalViewEmbedder|
30 void IOSExternalViewEmbedder::CancelFrame() {
31 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::CancelFrame");
32 FML_CHECK(platform_views_controller_);
33 platform_views_controller_->CancelFrame();
34 }
35
36 // |ExternalViewEmbedder|
37 void IOSExternalViewEmbedder::BeginFrame(
38 GrDirectContext* context,
39 const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {}
40
41 // |ExternalViewEmbedder|
42 void IOSExternalViewEmbedder::PrepareFlutterView(SkISize frame_size, double device_pixel_ratio) {
43 FML_CHECK(platform_views_controller_);
44 platform_views_controller_->BeginFrame(frame_size);
45 }
46
47 // |ExternalViewEmbedder|
48 void IOSExternalViewEmbedder::PrerollCompositeEmbeddedView(
49 int64_t view_id,
50 std::unique_ptr<EmbeddedViewParams> params) {
51 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::PrerollCompositeEmbeddedView");
52 FML_CHECK(platform_views_controller_);
53 platform_views_controller_->PrerollCompositeEmbeddedView(view_id, std::move(params));
54 }
55
56 // |ExternalViewEmbedder|
57 PostPrerollResult IOSExternalViewEmbedder::PostPrerollAction(
58 const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
59 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::PostPrerollAction");
60 FML_CHECK(platform_views_controller_);
61 PostPrerollResult result = platform_views_controller_->PostPrerollAction(raster_thread_merger);
62 return result;
63 }
64
65 // |ExternalViewEmbedder|
66 DlCanvas* IOSExternalViewEmbedder::CompositeEmbeddedView(int64_t view_id) {
67 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::CompositeEmbeddedView");
68 FML_CHECK(platform_views_controller_);
69 return platform_views_controller_->CompositeEmbeddedView(view_id);
70 }
71
72 // |ExternalViewEmbedder|
73 void IOSExternalViewEmbedder::SubmitFlutterView(
74 int64_t flutter_view_id,
75 GrDirectContext* context,
76 const std::shared_ptr<impeller::AiksContext>& aiks_context,
77 std::unique_ptr<SurfaceFrame> frame) {
78 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::SubmitFlutterView");
79 // TODO(dkwingsmt): This class only supports rendering into the implicit view.
80 // Properly support multi-view in the future.
81 FML_DCHECK(flutter_view_id == kFlutterImplicitViewId);
82 FML_CHECK(platform_views_controller_);
83 platform_views_controller_->SubmitFrame(context, ios_context_, std::move(frame));
84 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::DidSubmitFrame");
85 }
86
87 // |ExternalViewEmbedder|
88 void IOSExternalViewEmbedder::EndFrame(
89 bool should_resubmit_frame,
90 const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
91 TRACE_EVENT0("flutter", "IOSExternalViewEmbedder::EndFrame");
92 platform_views_controller_->EndFrame(should_resubmit_frame, raster_thread_merger);
93 }
94
95 // |ExternalViewEmbedder|
96 bool IOSExternalViewEmbedder::SupportsDynamicThreadMerging() {
97 return true;
98 }
99
100 // |ExternalViewEmbedder|
101 void IOSExternalViewEmbedder::PushFilterToVisitedPlatformViews(
102 const std::shared_ptr<const DlImageFilter>& filter,
103 const SkRect& filter_rect) {
104 platform_views_controller_->PushFilterToVisitedPlatformViews(filter, filter_rect);
105 }
106
107 // |ExternalViewEmbedder|
108 void IOSExternalViewEmbedder::PushVisitedPlatformView(int64_t view_id) {
109 platform_views_controller_->PushVisitedPlatformView(view_id);
110 }
111
112 } // 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:13
FLUTTER_ASSERT_ARC
Definition: FlutterChannelKeyResponder.mm:13