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// Copyright 2020 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_ASH_INPUT_METHOD_COMPONENT_EXTENSION_IME_MANAGER_DELEGATE_IMPL_H_
#define CHROME_BROWSER_ASH_INPUT_METHOD_COMPONENT_EXTENSION_IME_MANAGER_DELEGATE_IMPL_H_
#include <optional>
#include <set>
#include <string_view>
#include <vector>
#include "base/functional/bind.h"
#include "base/task/sequenced_task_runner.h"
#include "base/threading/thread_checker.h"
#include "base/values.h"
#include "ui/base/ime/ash/component_extension_ime_manager.h"
#include "ui/base/ime/ash/component_extension_ime_manager_delegate.h"
namespace content {
class BrowserContext;
}
namespace ash {
namespace input_method {
// The implementation class of ComponentExtensionIMEManagerDelegate.
class ComponentExtensionIMEManagerDelegateImpl
: public ComponentExtensionIMEManagerDelegate {
public:
ComponentExtensionIMEManagerDelegateImpl();
ComponentExtensionIMEManagerDelegateImpl(
const ComponentExtensionIMEManagerDelegateImpl&) = delete;
ComponentExtensionIMEManagerDelegateImpl& operator=(
const ComponentExtensionIMEManagerDelegateImpl&) = delete;
~ComponentExtensionIMEManagerDelegateImpl() override;
// ComponentExtensionIMEManagerDelegate overrides:
std::vector<ComponentExtensionIME> ListIME() override;
void Load(content::BrowserContext* context,
const std::string& extension_id,
const std::string& manifest,
const base::FilePath& file_path) override;
bool IsInLoginLayoutAllowlist(const std::string& layout) override;
static bool IsIMEExtensionID(const std::string& id);
private:
// Reads component extensions and extract their localized information: name,
// description and ime id. This function fills them into |out_imes|.
static void ReadComponentExtensionsInfo(
std::vector<ComponentExtensionIME>* out_imes);
// Parses manifest string into dictionary value.
static std::optional<base::Value::Dict> ParseManifest(
std::string_view manifest_string);
// Reads extension information: description, option page. This function
// returns true on success, otherwise returns false.
static bool ReadExtensionInfo(const base::Value::Dict& manifest,
const std::string& extension_id,
ComponentExtensionIME* out);
// Reads each engine component in |dict|. |dict| is given by GetList with
// kInputComponents key from manifest. This function returns true on success,
// otherwise return false. This function must be called on FILE thread.
static bool ReadEngineComponent(
const ComponentExtensionIME& component_extension,
const base::Value::Dict& dict,
ComponentExtensionEngine* out);
// The list of component extension IME.
std::vector<ComponentExtensionIME> component_extension_list_;
std::set<std::string> login_layout_set_;
};
} // namespace input_method
} // namespace ash
#endif // CHROME_BROWSER_ASH_INPUT_METHOD_COMPONENT_EXTENSION_IME_MANAGER_DELEGATE_IMPL_H_
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