[ash] Add TYPE_DIALOG and its item's LauncherContextMenu

ash/shelf/shelf_item_context_menu.cc

Index: ash/shelf/shelf_item_context_menu.cc
diff --git a/ash/shelf/shelf_item_context_menu.cc b/ash/shelf/shelf_item_context_menu.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0ea4c6359eace53f3cb36980b15cce4650765455
--- /dev/null
+++ b/ash/shelf/shelf_item_context_menu.cc
@@ -0,0 +1,129 @@
+// 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 "ash/shelf/shelf_item_context_menu.h"
+
+#include "ash/root_window_controller.h"
+#include "ash/shelf/shelf_delegate.h"
+#include "ash/shelf/shelf_widget.h"
+#include "ash/shelf/shelf_window_watcher_item_delegate.h"
+#include "ash/shell_delegate.h"
+#include "grit/ash_strings.h"
+#include "ui/aura/window.h"
+#include "ui/base/l10n/l10n_util.h"
+
+#if defined(OS_CHROMEOS)
+#include "ash/desktop_background/user_wallpaper_delegate.h"
+#endif
+
+namespace ash {
+namespace internal {
+
+ShelfItemContextMenu::ShelfItemContextMenu(
+    ShelfWindowWatcherItemDelegate* item_delegate,
+    aura::Window* root_window)
+    : ui::SimpleMenuModel(this),
+      item_delegate_(item_delegate),
+      root_window_(root_window),
+      shell_(Shell::GetInstance()),
+      shelf_alignment_menu_(root_window) {
+  Init();
+}
+
+ShelfItemContextMenu::~ShelfItemContextMenu() {
+}
+
+void ShelfItemContextMenu::Init() {
+  AddItem(MENU_CLOSE,
+          l10n_util::GetStringUTF16(IDS_ASH_SHELF_CONTEXT_MENU_CLOSE));
+
+  AddSeparator(ui::NORMAL_SEPARATOR);
+
+  if (!IsFullScreenMode()) {
+    AddCheckItemWithStringId(MENU_AUTO_HIDE,
+                             IDS_ASH_SHELF_CONTEXT_MENU_AUTO_HIDE);
+  }
+
+  if (ash::ShelfWidget::ShelfAlignmentAllowed()) {
+    AddSubMenuWithStringId(MENU_ALIGNMENT_MENU,
+                           IDS_ASH_SHELF_CONTEXT_MENU_POSITION,
+                           &shelf_alignment_menu_);
+  }
+
+#if defined(OS_CHROMEOS)
+  AddItem(MENU_CHANGE_WALLPAPER,
+          l10n_util::GetStringUTF16(IDS_AURA_SET_DESKTOP_WALLPAPER));
+#endif
+}
+
+bool ShelfItemContextMenu::IsCommandIdChecked(int command_id) const {
+  switch (command_id) {
+   case MENU_AUTO_HIDE:
+     return shell_->GetShelfAutoHideBehavior(root_window_) ==
+         SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS;
+   default:
+     return false;
+  }
+}
+
+bool ShelfItemContextMenu::IsCommandIdEnabled(int command_id) const {
+  switch (command_id) {
+   case MENU_CLOSE:
+     return true;
+   case MENU_AUTO_HIDE:
+     return shell_->GetShelfDelegate()->
+         CanUserModifyShelfAutoHideBehavior(root_window_);
+   case MENU_ALIGNMENT_MENU:
+     return ShelfWidget::ShelfAlignmentAllowed() ? true : false;
+#if defined(OS_CHROMEOS)
+   case MENU_CHANGE_WALLPAPER:
+     return shell_->user_wallpaper_delegate()->CanOpenSetWallpaperPage();
+#endif
+   default:
+     return false;
+  }
+}
+
+bool ShelfItemContextMenu::GetAcceleratorForCommandId(
+    int command_id,
+    ui::Accelerator* accelerator) {
+  return false;
+}
+
+void ShelfItemContextMenu::ExecuteCommand(int command_id, int event_flags) {
+  switch (command_id) {
+    case MENU_CLOSE:
+      item_delegate_->Close();
+      shell_->delegate()->RecordUserMetricsAction(
+          ash::UMA_CLOSE_THROUGH_CONTEXT_MENU);
+      break;
+    case MENU_AUTO_HIDE:
+      ToggleShelfAutoHideBehavior();
+      break;
+    case MENU_ALIGNMENT_MENU:
+      break;
+#if defined(OS_CHROMEOS)
+    case MENU_CHANGE_WALLPAPER:
+      shell_->user_wallpaper_delegate()->OpenSetWallpaperPage();
+      break;
+#endif
+  }
+}
+
+bool ShelfItemContextMenu::IsFullScreenMode() const {
+  RootWindowController* controller = GetRootWindowController(root_window_);
+  return controller && !!controller->GetWindowForFullscreenMode();
+}
+
+void ShelfItemContextMenu::ToggleShelfAutoHideBehavior() const {
+  ShelfAutoHideBehavior behavior =
+      shell_->GetShelfAutoHideBehavior(root_window_);
+  behavior = (behavior == SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS) ?
+      SHELF_AUTO_HIDE_BEHAVIOR_NEVER :
+      SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS;
+  shell_->SetShelfAutoHideBehavior(behavior, root_window_);
+}
+
+}  // namespace internal
+}  // namespace ash