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// Copyright 2022 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_FONT_ACCESS_FONT_ACCESS_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_FONT_ACCESS_FONT_ACCESS_H_
#include "base/memory/read_only_shared_memory_region.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/mojom/font_access/font_access.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/modules/modules_export.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/supplementable.h"
namespace blink {
class FontMetadata;
class LocalDOMWindow;
class QueryOptions;
class ScriptState;
class FontAccess final : public GarbageCollected<FontAccess>,
public Supplement<LocalDOMWindow> {
public:
static const char kSupplementName[];
explicit FontAccess(LocalDOMWindow* window);
void Trace(blink::Visitor* visitor) const override;
// Web-exposed interface:
static ScriptPromise<IDLSequence<FontMetadata>> queryLocalFonts(
ScriptState* script_state,
LocalDOMWindow& window,
const QueryOptions* options,
ExceptionState& exception_state);
private:
// Returns the supplement, creating one as needed.
static FontAccess* From(LocalDOMWindow* window);
ScriptPromise<IDLSequence<FontMetadata>> QueryLocalFontsImpl(
ScriptState* script_state,
const QueryOptions* options,
ExceptionState& exception_state);
void DidGetEnumerationResponse(
const QueryOptions* options,
ScriptPromiseResolver<IDLSequence<FontMetadata>>* resolver,
mojom::blink::FontEnumerationStatus status,
base::ReadOnlySharedMemoryRegion region);
// Returns whether the resolver has rejected.
bool RejectPromiseIfNecessary(
const mojom::blink::FontEnumerationStatus& status,
ScriptPromiseResolverBase* resolver);
void OnDisconnect();
HeapMojoRemote<mojom::blink::FontAccessManager> remote_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_FONT_ACCESS_FONT_ACCESS_H_
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