Add 'Get Info' to contextual menu to display QuickView.

BUG=474318
TEST=manuallry tested

Review-Url: https://codereview.chromium.org/2347063003
Cr-Commit-Position: refs/heads/master@{#419157}

chrome/app/chromeos_strings.grdp

@@ -451,6 +451,9 @@ Press any key to continue exploring.
   <message name="IDS_FILE_BROWSER_ERROR_RENAMING" desc="Error message.">
     Unable to rename "<ph name="FILE_NAME">$1<ex>document.pdf</ex></ph>". <ph name="ERROR_MESSAGE">$2<ex>An error occurred (code: ABORT)</ex></ph>
   </message>
+  <message name="IDS_FILE_BROWSER_GET_INFO_BUTTON_LABEL" desc="Label for a context menu item which shows file's metadata.">
+    Get Info
+  </message>
   <message name="IDS_FILE_BROWSER_RENAME_BUTTON_LABEL" desc="Button Label.">
     Rename
   </message>

chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc

@@ -473,6 +473,7 @@ ExtensionFunction::ResponseAction FileManagerPrivateGetStringsFunction::Run() {
   SET_STRING("SORT_BUTTON_TOOLTIP", IDS_FILE_BROWSER_SORT_BUTTON_TOOLTIP);
   SET_STRING("DETAIL_BUTTON_TOOLTIP", IDS_FILE_BROWSER_DETAIL_BUTTON_TOOLTIP);
   SET_STRING("GEAR_BUTTON_TOOLTIP", IDS_FILE_BROWSER_GEAR_BUTTON_TOOLTIP);
+  SET_STRING("GET_INFO_BUTTON_LABEL", IDS_FILE_BROWSER_GET_INFO_BUTTON_LABEL);
   SET_STRING("HOSTED_OFFLINE_MESSAGE", IDS_FILE_BROWSER_HOSTED_OFFLINE_MESSAGE);
   SET_STRING("HOSTED_OFFLINE_MESSAGE_PLURAL",
              IDS_FILE_BROWSER_HOSTED_OFFLINE_MESSAGE_PLURAL);

ui/file_manager/file_manager/foreground/js/file_manager_commands.js

@@ -1057,6 +1057,36 @@ CommandHandler.COMMANDS_['open-with'] = /** @type {Command} */ ({
   }
 });
 
+/**
+ * Displays QuickView for current selection.
+ * @type {Command}
+ */
+CommandHandler.COMMANDS_['get-info'] = /** @type {Command} */ ({
+  /**
+   * @param {!Event} event Command event.
+   * @param {!FileManager} fileManager fileManager to use.
+   */
+  execute: function(event, fileManager) {
+    // 'get-info' command is executed by 'command' event handler in
+    // QuickViewController.
+  },
+  /**
+   * @param {!Event} event Command event.
+   * @param {!FileManager} fileManager FileManager to use.
+   */
+  canExecute: function(event, fileManager) {
+    var entries = CommandUtil.getCommandEntries(event.target);
+    if (entries.length === 0) {
+      event.canExecute = false;
+      event.command.setHidden(true);
+      return;
+    }
+
+    event.canExecute =  entries.length === 1;
+    event.command.setHidden(false);
+  }
+});
+
 /**
  * Focuses search input box.
  * @type {Command}

ui/file_manager/file_manager/foreground/js/quick_view_controller.js

@@ -74,6 +74,10 @@ function QuickViewController(
       this.onFileSelectionChanged_.bind(this));
   listContainer.element.addEventListener(
       'keydown', this.onKeyDownToOpen_.bind(this));
+  listContainer.element.addEventListener('command', function(event) {
+    if(event.command.id === 'get-info')
+      this.display_();
+  }.bind(this));
   quickView.addEventListener('keydown', this.onQuickViewKeyDown_.bind(this));
   quickView.addEventListener('iron-overlay-closed', function() {
     this.listContainer_.focus();

ui/file_manager/file_manager/main.html

@@ -75,6 +75,8 @@
                shortcut="v|Ctrl">
       <command id="paste-into-folder"
                i18n-values="label:PASTE_INTO_FOLDER_BUTTON_LABEL">
+      <command id="get-info" i18n-values="label:GET_INFO_BUTTON_LABEL"
+               shortcut="Space">
       <command id="rename" i18n-values="label:RENAME_BUTTON_LABEL"
                shortcut="Enter|Ctrl">
       <command id="delete" shortcut="Backspace|Alt Delete">
@@ -165,6 +167,7 @@
       <cr-menu-item command="#paste" visibleif="full-page"></cr-menu-item>
       <cr-menu-item command="#paste-into-folder" visibleif="full-page"></cr-menu-item>
       <hr visibleif="full-page">
+      <cr-menu-item command="#get-info"></cr-menu-item>
       <cr-menu-item command="#rename"></cr-menu-item>
       <cr-menu-item command="#delete" i18n-content="DELETE_BUTTON_LABEL"></cr-menu-item>
       <cr-menu-item command="#zip-selection"></cr-menu-item>