blob: 504dada5d8e45aa6f734f8b4d42598612b8f91d0 [file] [log] [blame]
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_WELCOME_WELCOME_WIN10_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_WELCOME_WELCOME_WIN10_HANDLER_H_
#include <string>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/optional.h"
#include "base/timer/timer.h"
#include "content/public/browser/web_ui_message_handler.h"
namespace base {
class ListValue;
}
// Handles actions on the Windows 10 specific Welcome page.
class WelcomeWin10Handler : public content::WebUIMessageHandler {
public:
WelcomeWin10Handler();
~WelcomeWin10Handler() override;
// content::WebUIMessageHandler:
void RegisterMessages() override;
void OnJavascriptDisallowed() override;
private:
// Handlers for javascript calls.
void HandleGetPinnedToTaskbarState(const base::ListValue* args);
void HandleSetDefaultBrowser(const base::ListValue* args);
void HandleContinue(const base::ListValue* args);
void StartIsPinnedToTaskbarCheck();
// Callback for shell_integration::win::GetIsPinnedToTaskbarState().
void OnIsPinnedToTaskbarResult(bool succeeded, bool is_pinned_to_taskbar);
// Sets the internal result and optionally call
// SendPinnedToTaskbarStateResult() in the case that
// |pinned_state_callback_id_| is not empty.
void OnIsPinnedToTaskbarDetermined(bool timed_out, bool is_pinned_to_taskbar);
// Returns the result to the getPinnedToTaskbarState() javascript call via the
// promise.
void SendPinnedToTaskbarStateResult();
base::OneShotTimer timer_;
// Acts as a cache to hold the taskbar pinned state of Chrome. It has no value
// until this state is determined.
base::Optional<bool> pinned_state_result_;
// The callback id used to return the result to the getPinnedToTaskbarState()
// javascript call. This id is empty until we receive the call; thus this
// variable is used to determine if the result should be sent to the caller
// when it is received, or wait for the call to happen.
std::string pinned_state_callback_id_;
base::WeakPtrFactory<WelcomeWin10Handler> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(WelcomeWin10Handler);
};
#endif // CHROME_BROWSER_UI_WEBUI_WELCOME_WELCOME_WIN10_HANDLER_H_