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84 lines
2.7 KiB
C++
84 lines
2.7 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_FLOW_VIEW_HOLDER_H_
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#define FLUTTER_FLOW_VIEW_HOLDER_H_
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#include <fuchsia/ui/gfx/cpp/fidl.h>
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#include <fuchsia/ui/views/cpp/fidl.h>
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#include <lib/ui/scenic/cpp/id.h>
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#include <lib/ui/scenic/cpp/resources.h>
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#include <third_party/skia/include/core/SkMatrix.h>
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#include <third_party/skia/include/core/SkPoint.h>
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#include <third_party/skia/include/core/SkSize.h>
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#include <zircon/types.h>
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#include <memory>
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#include "flutter/flow/scene_update_context.h"
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#include "flutter/fml/macros.h"
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#include "flutter/fml/memory/ref_counted.h"
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#include "flutter/fml/task_runner.h"
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namespace flutter {
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// Represents a Scenic |ViewHolder| resource that imports a |View| from another
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// session.
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//
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// This object is created and destroyed on the |Rasterizer|'s thread.
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class ViewHolder {
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public:
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using BindCallback = std::function<void(scenic::ResourceId)>;
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static void Create(zx_koid_t id,
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fml::RefPtr<fml::TaskRunner> ui_task_runner,
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fuchsia::ui::views::ViewHolderToken view_holder_token,
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BindCallback on_bind_callback);
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static void Destroy(zx_koid_t id);
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static ViewHolder* FromId(zx_koid_t id);
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ViewHolder(fml::RefPtr<fml::TaskRunner> ui_task_runner,
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fuchsia::ui::views::ViewHolderToken view_holder_token,
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BindCallback on_bind_callback);
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~ViewHolder() = default;
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// Sets the properties/opacity of the child view by issuing a Scenic command.
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void SetProperties(double width,
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double height,
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double insetTop,
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double insetRight,
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double insetBottom,
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double insetLeft,
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bool focusable);
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void SetOpacity(double opacity);
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// Creates or updates the contained ViewHolder resource using the specified
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// |SceneUpdateContext|.
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void UpdateScene(SceneUpdateContext& context,
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const SkPoint& offset,
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const SkSize& size,
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bool hit_testable);
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private:
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fml::RefPtr<fml::TaskRunner> ui_task_runner_;
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std::unique_ptr<scenic::OpacityNodeHACK> opacity_node_;
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std::unique_ptr<scenic::EntityNode> entity_node_;
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std::unique_ptr<scenic::ViewHolder> view_holder_;
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fuchsia::ui::views::ViewHolderToken pending_view_holder_token_;
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BindCallback pending_bind_callback_;
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fuchsia::ui::gfx::ViewProperties pending_properties_;
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double pending_opacity_;
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bool has_pending_properties_ = false;
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bool has_pending_opacity_ = false;
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FML_DISALLOW_COPY_AND_ASSIGN(ViewHolder);
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};
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} // namespace flutter
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#endif // FLUTTER_FLOW_VIEW_HOLDER_H_
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