blob: 4e0bdd83b2fda3c75ae07651b2a1d16118d26010 [file] [log] [blame]
// Copyright 2017 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.
#include "ash/tray_action/tray_action.h"
#include <utility>
#include "ash/tray_action/tray_action_observer.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/logging.h"
namespace ash {
TrayAction::TrayAction() = default;
TrayAction::~TrayAction() = default;
void TrayAction::AddObserver(TrayActionObserver* observer) {
observers_.AddObserver(observer);
}
void TrayAction::RemoveObserver(TrayActionObserver* observer) {
observers_.RemoveObserver(observer);
}
void TrayAction::BindRequest(mojom::TrayActionRequest request) {
bindings_.AddBinding(this, std::move(request));
}
mojom::TrayActionState TrayAction::GetLockScreenNoteState() const {
if (!tray_action_client_)
return mojom::TrayActionState::kNotAvailable;
return lock_screen_note_state_;
}
bool TrayAction::IsLockScreenNoteActive() const {
return GetLockScreenNoteState() == mojom::TrayActionState::kActive;
}
void TrayAction::SetClient(mojom::TrayActionClientPtr tray_action_client,
mojom::TrayActionState lock_screen_note_state) {
mojom::TrayActionState old_lock_screen_note_state = GetLockScreenNoteState();
tray_action_client_ = std::move(tray_action_client);
if (tray_action_client_) {
// Makes sure the state is updated in case the connection is lost.
tray_action_client_.set_connection_error_handler(
base::Bind(&TrayAction::SetClient, base::Unretained(this), nullptr,
mojom::TrayActionState::kNotAvailable));
lock_screen_note_state_ = lock_screen_note_state;
}
// Setting action handler value can change effective state - notify observers
// if that was the case.
if (GetLockScreenNoteState() != old_lock_screen_note_state)
NotifyLockScreenNoteStateChanged();
}
void TrayAction::UpdateLockScreenNoteState(mojom::TrayActionState state) {
if (state == lock_screen_note_state_)
return;
lock_screen_note_state_ = state;
// If the client is not set, the effective state has not changed, so no need
// to notify observers of a state change.
if (tray_action_client_)
NotifyLockScreenNoteStateChanged();
}
void TrayAction::RequestNewLockScreenNote() {
if (GetLockScreenNoteState() != mojom::TrayActionState::kAvailable)
return;
// An action state can be kAvailable only if |tray_action_client_| is set.
DCHECK(tray_action_client_);
tray_action_client_->RequestNewLockScreenNote();
}
void TrayAction::NotifyLockScreenNoteStateChanged() {
for (auto& observer : observers_)
observer.OnLockScreenNoteStateChanged(GetLockScreenNoteState());
}
} // namespace ash