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https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
Jason Simmons
3978f07530
The service protocol's ListViews method needs to return description data for each engine in the process. Previously ListViews would queue a task to each UI thread to gather this data. However, the UI thread might be blocked from executing tasks (e.g. if the Dart isolate is paused), resulting in a deadlock. This change provides a copy of the engine's description data to the ServiceProtocol's global list of engines, allowing ListViews to run without accessing any UI threads. Fixes https://github.com/flutter/flutter/issues/24400
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_RUNTIME_RUNTIME_DELEGATE_H_
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#define FLUTTER_RUNTIME_RUNTIME_DELEGATE_H_
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#include <memory>
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#include <vector>
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#include "flutter/flow/layers/layer_tree.h"
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#include "flutter/lib/ui/semantics/custom_accessibility_action.h"
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#include "flutter/lib/ui/semantics/semantics_node.h"
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#include "flutter/lib/ui/text/font_collection.h"
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#include "flutter/lib/ui/window/platform_message.h"
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#include "third_party/dart/runtime/include/dart_api.h"
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namespace blink {
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class RuntimeDelegate {
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public:
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virtual std::string DefaultRouteName() = 0;
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virtual void ScheduleFrame(bool regenerate_layer_tree = true) = 0;
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virtual void Render(std::unique_ptr<flow::LayerTree> layer_tree) = 0;
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virtual void UpdateSemantics(
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blink::SemanticsNodeUpdates update,
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blink::CustomAccessibilityActionUpdates actions) = 0;
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virtual void HandlePlatformMessage(fml::RefPtr<PlatformMessage> message) = 0;
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virtual FontCollection& GetFontCollection() = 0;
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virtual void UpdateIsolateDescription(const std::string isolate_name,
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int64_t isolate_port) = 0;
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protected:
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virtual ~RuntimeDelegate();
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};
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} // namespace blink
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#endif // FLUTTER_RUNTIME_RUNTIME_DELEGATE_H_
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