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94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
// Copyright 2015 The Chromium 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/lib/ui/semantics/semantics_node.h"
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#include "flutter/shell/common/engine.h"
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#include "flutter/shell/common/shell.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 "lib/fxl/macros.h"
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#include "lib/fxl/memory/weak_ptr.h"
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#include "lib/fxl/synchronization/waitable_event.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 shell {
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class Rasterizer;
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class PlatformView : public std::enable_shared_from_this<PlatformView> {
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public:
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struct SurfaceConfig {
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uint8_t red_bits = 8;
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uint8_t green_bits = 8;
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uint8_t blue_bits = 8;
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uint8_t alpha_bits = 8;
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uint8_t depth_bits = 0;
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uint8_t stencil_bits = 8;
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};
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void SetupResourceContextOnIOThread();
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virtual ~PlatformView();
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virtual void Attach() = 0;
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void DispatchPlatformMessage(fxl::RefPtr<blink::PlatformMessage> message);
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void DispatchSemanticsAction(int32_t id, blink::SemanticsAction action);
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void SetSemanticsEnabled(bool enabled);
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void NotifyCreated(std::unique_ptr<Surface> surface);
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void NotifyCreated(std::unique_ptr<Surface> surface,
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fxl::Closure continuation);
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void NotifyDestroyed();
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std::weak_ptr<PlatformView> GetWeakPtr();
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// The VsyncWaiter will live at least as long as the PlatformView.
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virtual VsyncWaiter* GetVsyncWaiter();
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virtual bool ResourceContextMakeCurrent() = 0;
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virtual void UpdateSemantics(std::vector<blink::SemanticsNode> update);
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virtual void HandlePlatformMessage(
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fxl::RefPtr<blink::PlatformMessage> message);
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void SetRasterizer(std::unique_ptr<Rasterizer> rasterizer);
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Rasterizer& rasterizer() { return *rasterizer_; }
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Engine& engine() { return *engine_; }
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virtual void RunFromSource(const std::string& assets_directory,
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const std::string& main,
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const std::string& packages) = 0;
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protected:
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explicit PlatformView(std::unique_ptr<Rasterizer> rasterizer);
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void CreateEngine();
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void SetupResourceContextOnIOThreadPerform(
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fxl::AutoResetWaitableEvent* event);
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SurfaceConfig surface_config_;
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std::unique_ptr<Rasterizer> rasterizer_;
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std::unique_ptr<Engine> engine_;
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std::unique_ptr<VsyncWaiter> vsync_waiter_;
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SkISize size_;
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private:
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FXL_DISALLOW_COPY_AND_ASSIGN(PlatformView);
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};
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} // namespace shell
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#endif // COMMON_PLATFORM_VIEW_H_
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