root/chrome/browser/status_icons/status_icon_menu_model.cc

DEFINITIONS

1. CommandIdHighlighted
2. delegate_
3. SetCommandIdChecked
4. SetCommandIdEnabled
5. SetCommandIdVisible
6. SetAcceleratorForCommandId
7. ChangeLabelForCommandId
8. ChangeSublabelForCommandId
9. ChangeIconForCommandId
10. AddObserver
11. RemoveObserver
12. IsCommandIdChecked
13. IsCommandIdEnabled
14. IsCommandIdVisible
15. GetAcceleratorForCommandId
16. IsItemForCommandIdDynamic
17. GetLabelForCommandId
18. GetSublabelForCommandId
19. GetIconForCommandId
20. MenuItemsChanged
21. NotifyMenuStateChanged
22. CommandIdHighlighted
23. ExecuteCommand

// Copyright 2013 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 "chrome/browser/status_icons/status_icon_menu_model.h"

#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/image/image.h"

struct StatusIconMenuModel::ItemState {
  ItemState()
      : checked(false),
        enabled(true),
        visible(true),
        is_dynamic(false) {}
  bool checked;
  bool enabled;
  bool visible;
  bool is_dynamic;
  ui::Accelerator accelerator;
  base::string16 label;
  base::string16 sublabel;
  gfx::Image icon;
};

////////////////////////////////////////////////////////////////////////////////
// StatusIconMenuModel::Delegate, public:

void StatusIconMenuModel::Delegate::CommandIdHighlighted(int command_id) {
}

////////////////////////////////////////////////////////////////////////////////
// StatusIconMenuModel, public:

StatusIconMenuModel::StatusIconMenuModel(Delegate* delegate)
    : ui::SimpleMenuModel(this), delegate_(delegate) {
}

StatusIconMenuModel::~StatusIconMenuModel() {
}

void StatusIconMenuModel::SetCommandIdChecked(int command_id, bool checked) {
  item_states_[command_id].checked = checked;
  NotifyMenuStateChanged();
}

void StatusIconMenuModel::SetCommandIdEnabled(int command_id, bool enabled) {
  item_states_[command_id].enabled = enabled;
  NotifyMenuStateChanged();
}

void StatusIconMenuModel::SetCommandIdVisible(int command_id, bool visible) {
  item_states_[command_id].visible = visible;
  NotifyMenuStateChanged();
}

void StatusIconMenuModel::SetAcceleratorForCommandId(
    int command_id, const ui::Accelerator* accelerator) {
  item_states_[command_id].accelerator = *accelerator;
  NotifyMenuStateChanged();
}

void StatusIconMenuModel::ChangeLabelForCommandId(int command_id,
                                                  const base::string16& label) {
  item_states_[command_id].is_dynamic = true;
  item_states_[command_id].label = label;
  NotifyMenuStateChanged();
}

void StatusIconMenuModel::ChangeSublabelForCommandId(
    int command_id, const base::string16& sublabel) {
  item_states_[command_id].is_dynamic = true;
  item_states_[command_id].sublabel = sublabel;
  NotifyMenuStateChanged();
}

void StatusIconMenuModel::ChangeIconForCommandId(
    int command_id, const gfx::Image& icon) {
  item_states_[command_id].is_dynamic = true;
  item_states_[command_id].icon = icon;
  NotifyMenuStateChanged();
}

void StatusIconMenuModel::AddObserver(Observer* observer) {
  observer_list_.AddObserver(observer);
}

void StatusIconMenuModel::RemoveObserver(Observer* observer) {
  observer_list_.RemoveObserver(observer);
}

bool StatusIconMenuModel::IsCommandIdChecked(int command_id) const {
  ItemStateMap::const_iterator iter = item_states_.find(command_id);
  if (iter != item_states_.end())
    return iter->second.checked;
  return false;
}

bool StatusIconMenuModel::IsCommandIdEnabled(int command_id) const {
  ItemStateMap::const_iterator iter = item_states_.find(command_id);
  if (iter != item_states_.end())
    return iter->second.enabled;
  return true;
}

bool StatusIconMenuModel::IsCommandIdVisible(int command_id) const {
  ItemStateMap::const_iterator iter = item_states_.find(command_id);
  if (iter != item_states_.end())
    return iter->second.visible;
  return true;
}

bool StatusIconMenuModel::GetAcceleratorForCommandId(
    int command_id, ui::Accelerator* accelerator) {
  ItemStateMap::const_iterator iter = item_states_.find(command_id);
  if (iter != item_states_.end() &&
      iter->second.accelerator.key_code() != ui::VKEY_UNKNOWN) {
    *accelerator = iter->second.accelerator;
    return true;
  }
  return false;
}

bool StatusIconMenuModel::IsItemForCommandIdDynamic(int command_id) const {
  ItemStateMap::const_iterator iter = item_states_.find(command_id);
  if (iter != item_states_.end())
    return iter->second.is_dynamic;
  return false;
}

base::string16 StatusIconMenuModel::GetLabelForCommandId(int command_id) const {
  ItemStateMap::const_iterator iter = item_states_.find(command_id);
  if (iter != item_states_.end())
    return iter->second.label;
  return base::string16();
}

base::string16 StatusIconMenuModel::GetSublabelForCommandId(
    int command_id) const {
  ItemStateMap::const_iterator iter = item_states_.find(command_id);
  if (iter != item_states_.end())
    return iter->second.sublabel;
  return base::string16();
}

bool StatusIconMenuModel::GetIconForCommandId(int command_id,
                                              gfx::Image* image_skia) const {
  ItemStateMap::const_iterator iter = item_states_.find(command_id);
  if (iter != item_states_.end() && !iter->second.icon.IsEmpty()) {
    *image_skia = iter->second.icon;
    return true;
  }
  return false;
}

////////////////////////////////////////////////////////////////////////////////
// StatusIconMenuModel, protected:

void StatusIconMenuModel::MenuItemsChanged() {
  NotifyMenuStateChanged();
}

void StatusIconMenuModel::NotifyMenuStateChanged() {
  FOR_EACH_OBSERVER(Observer, observer_list_, OnMenuStateChanged());
}

////////////////////////////////////////////////////////////////////////////////
// StatusIconMenuModel, private:

void StatusIconMenuModel::CommandIdHighlighted(int command_id) {
  if (delegate_)
    delegate_->CommandIdHighlighted(command_id);
}

void StatusIconMenuModel::ExecuteCommand(int command_id, int event_flags) {
  if (delegate_)
    delegate_->ExecuteCommand(command_id, event_flags);
}