Show confirmation dialog when copy/move operation affect other members.

ui/file_manager/file_manager/foreground/js/ui/file_manager_ui.js

Index: ui/file_manager/file_manager/foreground/js/ui/file_manager_ui.js
diff --git a/ui/file_manager/file_manager/foreground/js/ui/file_manager_ui.js b/ui/file_manager/file_manager/foreground/js/ui/file_manager_ui.js
index 54cf35f6743e09bc7700242bdd03fda795f4adff..3586b38275d4f269d8a2134c371c5cd041d1d181 100644
--- a/ui/file_manager/file_manager/foreground/js/ui/file_manager_ui.js
+++ b/ui/file_manager/file_manager/foreground/js/ui/file_manager_ui.js
@@ -72,6 +72,22 @@ function FileManagerUI(providersModel, element, launchParam) {
   this.deleteConfirmDialog = new FilesConfirmDialog(this.element);
   this.deleteConfirmDialog.setOkLabel(str('DELETE_BUTTON_LABEL'));
 
+  /**
+   * Confirm dialog for file move operation.
+   * @type {!FilesConfirmDialog}
+   * @const
+   */
+  this.moveConfirmDialog = new FilesConfirmDialog(this.element);
+  this.moveConfirmDialog.setOkLabel(str('CONFIRM_MOVE_BUTTON_LABEL'));
+
+  /**
+   * Confirm dialog for file copy operation.
+   * @type {!FilesConfirmDialog}
+   * @const
+   */
+  this.copyConfirmDialog = new FilesConfirmDialog(this.element);
+  this.copyConfirmDialog.setOkLabel(str('CONFIRM_COPY_BUTTON_LABEL'));
+
   /**
    * Share dialog.
    * @type {!ShareDialog}
@@ -319,6 +335,17 @@ function FileManagerUI(providersModel, element, launchParam) {
   }
 }
 
+/**
+ * Types of file operations.
+ *
+ * @enum {string}
+ * @const
+ */
+FileManagerUI.ActionType = {
+  COPY: 'copy',
+  MOVE: 'move',
+};
+
 /**
  * Initializes here elements, which are expensive or hidden in the beginning.
  *
@@ -541,3 +568,35 @@ FileManagerUI.prototype.showOpenInOtherDesktopAlert = function(entries) {
       this.alertDialog.showWithTitle(title, message, null, null, null);
     }.bind(this));
 };
+
+/**
+ * Handles confirmation of operations by user interaction.
+ * @param {!FileManagerUI.ActionType} type Type of the operation.
+ * @param {string} message_title The title of the dialog box.
+ * @param {!Array<string>} message_body The message body to show in the dialog
+ *     box.
+ * @return {!Promise<boolean>}
+ */
+FileManagerUI.prototype.confirmationHandler = function(

[fukino, 2017/06/09 07:05:46]

nit: As this is a method, lets start from verbs, like showConfirmationDialog,
handleConfirmation, etc...

[yamaguchi, 2017/06/09 09:49:15]

Done.

+    type, message_title, message_body) {
+  var dialog = null;
+  switch (type) {
+    case FileManagerUI.ActionType.MOVE:
+      dialog = this.moveConfirmDialog;
+      break;
+    case FileManagerUI.ActionType.COPY:
+      dialog = this.copyConfirmDialog;
+      break;
+  }
+  assert(dialog);
+  return new Promise(function(resolve, reject) {
+    dialog.showWithTitle(
+        message_title, message_body.join(' '),
+        function() {
+          resolve(true);
+        },
+        function() {
+          resolve(false);
+        });
+  });
+};