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This follows our namespace change from shell to flutter: https://github.com/flutter/engine/pull/8520.
135 lines
4.1 KiB
C++
135 lines
4.1 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 COMMON_PLATFORM_VIEW_H_
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#define COMMON_PLATFORM_VIEW_H_
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#include <memory>
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#include "flutter/common/task_runners.h"
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#include "flutter/flow/texture.h"
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#include "flutter/fml/macros.h"
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#include "flutter/fml/memory/weak_ptr.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/window/platform_message.h"
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#include "flutter/lib/ui/window/pointer_data_packet.h"
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#include "flutter/lib/ui/window/viewport_metrics.h"
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#include "flutter/shell/common/surface.h"
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#include "flutter/shell/common/vsync_waiter.h"
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#include "third_party/skia/include/core/SkSize.h"
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#include "third_party/skia/include/gpu/GrContext.h"
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namespace flutter {
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class Shell;
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class PlatformView {
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public:
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class Delegate {
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public:
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virtual void OnPlatformViewCreated(std::unique_ptr<Surface> surface) = 0;
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virtual void OnPlatformViewDestroyed() = 0;
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virtual void OnPlatformViewSetNextFrameCallback(fml::closure closure) = 0;
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virtual void OnPlatformViewSetViewportMetrics(
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const ViewportMetrics& metrics) = 0;
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virtual void OnPlatformViewDispatchPlatformMessage(
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fml::RefPtr<PlatformMessage> message) = 0;
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virtual void OnPlatformViewDispatchPointerDataPacket(
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std::unique_ptr<PointerDataPacket> packet) = 0;
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virtual void OnPlatformViewDispatchSemanticsAction(
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int32_t id,
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SemanticsAction action,
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std::vector<uint8_t> args) = 0;
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virtual void OnPlatformViewSetSemanticsEnabled(bool enabled) = 0;
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virtual void OnPlatformViewSetAccessibilityFeatures(int32_t flags) = 0;
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virtual void OnPlatformViewRegisterTexture(
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std::shared_ptr<flutter::Texture> texture) = 0;
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virtual void OnPlatformViewUnregisterTexture(int64_t texture_id) = 0;
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virtual void OnPlatformViewMarkTextureFrameAvailable(
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int64_t texture_id) = 0;
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};
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explicit PlatformView(Delegate& delegate, TaskRunners task_runners);
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virtual ~PlatformView();
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virtual std::unique_ptr<VsyncWaiter> CreateVSyncWaiter();
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void DispatchPlatformMessage(fml::RefPtr<PlatformMessage> message);
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void DispatchSemanticsAction(int32_t id,
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SemanticsAction action,
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std::vector<uint8_t> args);
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virtual void SetSemanticsEnabled(bool enabled);
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virtual void SetAccessibilityFeatures(int32_t flags);
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void SetViewportMetrics(const ViewportMetrics& metrics);
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void NotifyCreated();
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virtual void NotifyDestroyed();
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// Unlike all other methods on the platform view, this one may be called on a
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// non-platform task runner.
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virtual sk_sp<GrContext> CreateResourceContext() const;
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// Unlike all other methods on the platform view, this one may be called on a
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// non-platform task runner.
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virtual void ReleaseResourceContext() const;
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fml::WeakPtr<PlatformView> GetWeakPtr() const;
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virtual void UpdateSemantics(SemanticsNodeUpdates updates,
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CustomAccessibilityActionUpdates actions);
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virtual void HandlePlatformMessage(fml::RefPtr<PlatformMessage> message);
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virtual void OnPreEngineRestart() const;
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void SetNextFrameCallback(fml::closure closure);
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void DispatchPointerDataPacket(std::unique_ptr<PointerDataPacket> packet);
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// Called once per texture, on the platform thread.
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void RegisterTexture(std::shared_ptr<flutter::Texture> texture);
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// Called once per texture, on the platform thread.
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void UnregisterTexture(int64_t texture_id);
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// Called once per texture update (e.g. video frame), on the platform thread.
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void MarkTextureFrameAvailable(int64_t texture_id);
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protected:
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PlatformView::Delegate& delegate_;
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const TaskRunners task_runners_;
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SkISize size_;
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fml::WeakPtrFactory<PlatformView> weak_factory_;
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// Unlike all other methods on the platform view, this is called on the GPU
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// task runner.
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virtual std::unique_ptr<Surface> CreateRenderingSurface();
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private:
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FML_DISALLOW_COPY_AND_ASSIGN(PlatformView);
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};
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} // namespace flutter
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#endif // COMMON_PLATFORM_VIEW_H_
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