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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRAILLE_DISPLAY_PRIVATE_API_H_
#define CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRAILLE_DISPLAY_PRIVATE_API_H_
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/extensions/api/braille_display_private/braille_controller.h"
#include "chrome/common/extensions/api/braille_display_private.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_function.h"
class Profile;
namespace extensions {
namespace api {
namespace braille_display_private {
class BrailleDisplayPrivateAPIUserTest;
} // namespace braille_display_private
} // namespace api
// Implementation of the chrome.brailleDisplayPrivate API.
class BrailleDisplayPrivateAPI : public BrowserContextKeyedAPI,
api::braille_display_private::BrailleObserver,
EventRouter::Observer {
public:
explicit BrailleDisplayPrivateAPI(content::BrowserContext* context);
~BrailleDisplayPrivateAPI() override;
// ProfileKeyedService implementation.
void Shutdown() override;
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<BrailleDisplayPrivateAPI>*
GetFactoryInstance();
// BrailleObserver implementation.
void OnBrailleDisplayStateChanged(
const api::braille_display_private::DisplayState& display_state) override;
void OnBrailleKeyEvent(
const api::braille_display_private::KeyEvent& keyEvent) override;
// EventRouter::Observer implementation.
void OnListenerAdded(const EventListenerInfo& details) override;
void OnListenerRemoved(const EventListenerInfo& details) override;
private:
friend class BrowserContextKeyedAPIFactory<BrailleDisplayPrivateAPI>;
friend class api::braille_display_private::BrailleDisplayPrivateAPIUserTest;
class EventDelegate {
public:
virtual ~EventDelegate() = default;
virtual void BroadcastEvent(std::unique_ptr<Event> event) = 0;
virtual bool HasListener() = 0;
};
class DefaultEventDelegate;
// Returns whether the profile that this API was created for is currently
// the active profile.
bool IsProfileActive();
void SetEventDelegateForTest(std::unique_ptr<EventDelegate> delegate);
raw_ptr<Profile> profile_;
base::ScopedObservation<api::braille_display_private::BrailleController,
BrailleObserver>
scoped_observation_{this};
std::unique_ptr<EventDelegate> event_delegate_;
// BrowserContextKeyedAPI implementation.
static const char* service_name() {
return "BrailleDisplayPrivateAPI";
}
// Override the default so the service is not created in tests.
static const bool kServiceIsNULLWhileTesting = true;
};
namespace api {
class BrailleDisplayPrivateGetDisplayStateFunction : public ExtensionFunction {
DECLARE_EXTENSION_FUNCTION("brailleDisplayPrivate.getDisplayState",
BRAILLEDISPLAYPRIVATE_GETDISPLAYSTATE)
protected:
~BrailleDisplayPrivateGetDisplayStateFunction() override = default;
ResponseAction Run() override;
void ReplyWithState(base::Value::Dict state);
};
class BrailleDisplayPrivateWriteDotsFunction : public ExtensionFunction {
DECLARE_EXTENSION_FUNCTION("brailleDisplayPrivate.writeDots",
BRAILLEDISPLAYPRIVATE_WRITEDOTS)
public:
BrailleDisplayPrivateWriteDotsFunction();
protected:
~BrailleDisplayPrivateWriteDotsFunction() override;
ResponseAction Run() override;
void WriteDotsOnIO();
private:
std::optional<braille_display_private::WriteDots::Params> params_;
};
class BrailleDisplayPrivateUpdateBluetoothBrailleDisplayAddressFunction
: public ExtensionFunction {
~BrailleDisplayPrivateUpdateBluetoothBrailleDisplayAddressFunction()
override {}
ResponseAction Run() override;
DECLARE_EXTENSION_FUNCTION(
"brailleDisplayPrivate.updateBluetoothBrailleDisplayAddress",
BRAILLEDISPLAYPRIVATE_UPDATEBLUETOOTHBRAILLEDISPLAYADDRESS)
};
} // namespace api
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRAILLE_DISPLAY_PRIVATE_API_H_
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