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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_EYEDROPPER_EYE_DROPPER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_EYEDROPPER_EYE_DROPPER_H_
#include <memory>
#include "third_party/blink/public/mojom/choosers/color_chooser.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
namespace blink {
class AbortSignal;
class ColorSelectionOptions;
class ColorSelectionResult;
enum class DOMExceptionCode;
class ExceptionState;
class ScopedAbortState;
// The EyeDropper API enables developers to use a browser-supplied eyedropper
// in their web applications. This feature is still
// under development, and is not part of the standard. It can be enabled
// by passing --enable-blink-features=EyeDropperAPI. See
// https://github.com/WICG/eyedropper-api/blob/main/README.md
// for more details.
class EyeDropper final : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
explicit EyeDropper(ExecutionContext*);
static EyeDropper* Create(ExecutionContext*);
EyeDropper(const EyeDropper&) = delete;
EyeDropper& operator=(const EyeDropper&) = delete;
~EyeDropper() override = default;
// Opens the eyedropper and replaces the cursor with a browser-defined
// preview.
ScriptPromise<ColorSelectionResult> open(ScriptState*,
const ColorSelectionOptions*,
ExceptionState&);
void Trace(Visitor*) const override;
private:
class OpenAbortAlgorithm;
void AbortCallback(AbortSignal* signal);
void EyeDropperResponseHandler(std::unique_ptr<ScopedAbortState>,
ScriptPromiseResolver<ColorSelectionResult>*,
bool,
uint32_t);
void EndChooser(std::unique_ptr<ScopedAbortState>);
void RejectPromiseHelper(DOMExceptionCode, const WTF::String&);
HeapMojoRemote<mojom::blink::EyeDropperChooser> eye_dropper_chooser_;
Member<ScriptPromiseResolver<ColorSelectionResult>> resolver_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_EYEDROPPER_EYE_DROPPER_H_
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