Remove some platform specific stuff from views.

ui/file_manager/file_manager/background/js/file_operation_handler.js

Index: ui/file_manager/file_manager/background/js/file_operation_handler.js
diff --git a/ui/file_manager/file_manager/background/js/file_operation_handler.js b/ui/file_manager/file_manager/background/js/file_operation_handler.js
deleted file mode 100644
index c3dd81be77c703f521c720c140d61996191ee086..0000000000000000000000000000000000000000
--- a/ui/file_manager/file_manager/background/js/file_operation_handler.js
+++ /dev/null
@@ -1,319 +0,0 @@
-// 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.
-
-'use strict';
-
-/**
- * An event handler of the background page for file operations.
- * @param {FileBrowserBackground} background Background page.
- * @constructor
- */
-var FileOperationHandler = function(background) {
-  /**
-   * Background page.
-   * @type {FileBrowserBackground}
-   * @private
-   */
-  this.background_ = background;
-
-  /**
-   * File operation manager.
-   * @type {FileOperationManager}
-   * @private
-   */
-  this.fileOperationManager_ = background.fileOperationManager;
-
-  /**
-   * Progress center.
-   * @type {ProgressCenter}
-   * @private
-   */
-  this.progressCenter_ = background.progressCenter;
-
-  /**
-   * Pending items of delete operation.
-   *
-   * Delete operations are usually complete quickly.
-   * So we would not like to show the progress bar at first.
-   * If the operation takes more than FileOperationHandler.PENDING_TIME_MS_,
-   * we adds the item to the progress center.
-   *
-   * @type {Object.<string, ProgressCenterItem>}}
-   * @private
-   */
-  this.pendingItems_ = {};
-
-  // Register event.
-  this.fileOperationManager_.addEventListener(
-      'copy-progress',
-      this.onCopyProgress_.bind(this));
-  this.fileOperationManager_.addEventListener(
-      'delete',
-      this.onDeleteProgress_.bind(this));
-
-  // Seal the object.
-  Object.seal(this);
-};
-
-/**
- * Pending time before a delete item is added to the progress center.
- *
- * @type {number}
- * @const
- * @private
- */
-FileOperationHandler.PENDING_TIME_MS_ = 500;
-
-/**
- * Generate a progress message from the event.
- * @param {FileOperationProgressEvent} event Progress event.
- * @return {string} message.
- * @private
- */
-FileOperationHandler.getMessage_ = function(event) {
-  if (event.reason === 'ERROR') {
-    switch (event.error.code) {
-      case util.FileOperationErrorType.TARGET_EXISTS:
-        var name = event.error.data.name;
-        if (event.error.data.isDirectory)
-          name += '/';
-        switch (event.status.operationType) {
-          case 'COPY': return strf('COPY_TARGET_EXISTS_ERROR', name);
-          case 'MOVE': return strf('MOVE_TARGET_EXISTS_ERROR', name);
-          case 'ZIP': return strf('ZIP_TARGET_EXISTS_ERROR', name);
-          default: return strf('TRANSFER_TARGET_EXISTS_ERROR', name);
-        }
-
-      case util.FileOperationErrorType.FILESYSTEM_ERROR:
-        var detail = util.getFileErrorString(event.error.data.name);
-        switch (event.status.operationType) {
-          case 'COPY': return strf('COPY_FILESYSTEM_ERROR', detail);
-          case 'MOVE': return strf('MOVE_FILESYSTEM_ERROR', detail);
-          case 'ZIP': return strf('ZIP_FILESYSTEM_ERROR', detail);
-          default: return strf('TRANSFER_FILESYSTEM_ERROR', detail);
-        }
-
-      default:
-        switch (event.status.operationType) {
-          case 'COPY': return strf('COPY_UNEXPECTED_ERROR', event.error.code);
-          case 'MOVE': return strf('MOVE_UNEXPECTED_ERROR', event.error.code);
-          case 'ZIP': return strf('ZIP_UNEXPECTED_ERROR', event.error.code);
-          default: return strf('TRANSFER_UNEXPECTED_ERROR', event.error.code);
-        }
-    }
-  } else if (event.status.numRemainingItems === 1) {
-    var name = event.status.processingEntryName;
-    switch (event.status.operationType) {
-      case 'COPY': return strf('COPY_FILE_NAME', name);
-      case 'MOVE': return strf('MOVE_FILE_NAME', name);
-      case 'ZIP': return strf('ZIP_FILE_NAME', name);
-      default: return strf('TRANSFER_FILE_NAME', name);
-    }
-  } else {
-    var remainNumber = event.status.numRemainingItems;
-    switch (event.status.operationType) {
-      case 'COPY': return strf('COPY_ITEMS_REMAINING', remainNumber);
-      case 'MOVE': return strf('MOVE_ITEMS_REMAINING', remainNumber);
-      case 'ZIP': return strf('ZIP_ITEMS_REMAINING', remainNumber);
-      default: return strf('TRANSFER_ITEMS_REMAINING', remainNumber);
-    }
-  }
-};
-
-/**
- * Generates a delete message from the event.
- * @param {Event} event Progress event.
- * @return {string} message.
- * @private
- */
-FileOperationHandler.getDeleteMessage_ = function(event) {
-  event = /** @type {FileOperationProgressEvent} */ (event);
-  if (event.reason === 'ERROR') {
-    return str('DELETE_ERROR');
-  } else if (event.entries.length == 1) {
-    var fileName = event.entries[0].name;
-    return strf('DELETE_FILE_NAME', fileName);
-  } else if (event.entries.length > 1) {
-    return strf('DELETE_ITEMS_REMAINING', event.entries.length);
-  } else {
-    return '';
-  }
-};
-
-/**
- * Obtains ProgressItemType from OperationType of FileTransferManager.
- * @param {string} operationType OperationType of FileTransferManager.
- * @return {ProgressItemType} ProgreeType corresponding to the specified
- *     operation type.
- * @private
- */
-FileOperationHandler.getType_ = function(operationType) {
-  switch (operationType) {
-    case 'COPY': return ProgressItemType.COPY;
-    case 'MOVE': return ProgressItemType.MOVE;
-    case 'ZIP': return ProgressItemType.ZIP;
-    default:
-      console.error('Unknown operation type.');
-      return ProgressItemType.TRANSFER;
-  }
-};
-
-/**
- * Handles the copy-progress event.
- * @param {Event} event The copy-progress event.
- * @private
- */
-FileOperationHandler.prototype.onCopyProgress_ = function(event) {
-  event = /** @type {FileOperationProgressEvent} */ (event);
-  // If the copy is finished, may be we can close the background page.
-  if (event.reason !== 'BEGIN' && event.reason !== 'PROGRESS')
-    this.background_.tryClose();
-
-  // Update progress center.
-  var progressCenter = this.progressCenter_;
-  var item;
-  switch (event.reason) {
-    case 'BEGIN':
-      item = new ProgressCenterItem();
-      item.id = event.taskId;
-      item.type = FileOperationHandler.getType_(event.status.operationType);
-      item.message = FileOperationHandler.getMessage_(event);
-      item.progressMax = event.status.totalBytes;
-      item.progressValue = event.status.processedBytes;
-      item.cancelCallback = this.fileOperationManager_.requestTaskCancel.bind(
-          this.fileOperationManager_,
-          event.taskId);
-      progressCenter.updateItem(item);
-      break;
-
-    case 'PROGRESS':
-      item = progressCenter.getItemById(event.taskId);
-      if (!item) {
-        console.error('Cannot find copying item.');
-        return;
-      }
-      item.message = FileOperationHandler.getMessage_(event);
-      item.progressMax = event.status.totalBytes;
-      item.progressValue = event.status.processedBytes;
-      progressCenter.updateItem(item);
-      break;
-
-    case 'SUCCESS':
-    case 'CANCELED':
-    case 'ERROR':
-      item = progressCenter.getItemById(event.taskId);
-      if (!item) {
-        // ERROR events can be dispatched before BEGIN events.
-        item = new ProgressCenterItem();
-        item.type = FileOperationHandler.getType_(event.status.operationType);
-        item.id = event.taskId;
-        item.progressMax = 1;
-      }
-      if (event.reason === 'SUCCESS') {
-        item.message = '';
-        item.state = ProgressItemState.COMPLETED;
-        item.progressValue = item.progressMax;
-      } else if (event.reason === 'CANCELED') {
-        item.message = '';
-        item.state = ProgressItemState.CANCELED;
-      } else {
-        item.message = FileOperationHandler.getMessage_(event);
-        item.state = ProgressItemState.ERROR;
-      }
-      progressCenter.updateItem(item);
-      break;
-  }
-};
-
-/**
- * Handles the delete event.
- * @param {Event} event The delete event.
- * @private
- */
-FileOperationHandler.prototype.onDeleteProgress_ = function(event) {
-  event = /** @type {FileOperationProgressEvent} */ (event);
-  // If the copy is finished, may be we can close the background page.
-  if (event.reason !== 'BEGIN' && event.reason !== 'PROGRESS')
-    this.background_.tryClose();
-
-  // Update progress center.
-  var progressCenter = this.progressCenter_;
-  var item;
-  var pending;
-  switch (event.reason) {
-    case 'BEGIN':
-      item = new ProgressCenterItem();
-      item.id = event.taskId;
-      item.type = ProgressItemType.DELETE;
-      item.message = FileOperationHandler.getDeleteMessage_(event);
-      item.progressMax = event.totalBytes;
-      item.progressValue = event.processedBytes;
-      item.cancelCallback = this.fileOperationManager_.requestTaskCancel.bind(
-          this.fileOperationManager_,
-          event.taskId);
-      this.pendingItems_[item.id] = item;
-      setTimeout(this.showPendingItem_.bind(this, item),
-                 FileOperationHandler.PENDING_TIME_MS_);
-      break;
-
-    case 'PROGRESS':
-      pending = event.taskId in this.pendingItems_;
-      item = this.pendingItems_[event.taskId] ||
-          progressCenter.getItemById(event.taskId);
-      if (!item) {
-        console.error('Cannot find deleting item.');
-        return;
-      }
-      item.message = FileOperationHandler.getDeleteMessage_(event);
-      item.progressMax = event.totalBytes;
-      item.progressValue = event.processedBytes;
-      if (!pending)
-        progressCenter.updateItem(item);
-      break;
-
-    case 'SUCCESS':
-    case 'CANCELED':
-    case 'ERROR':
-      // Obtain working variable.
-      pending = event.taskId in this.pendingItems_;
-      item = this.pendingItems_[event.taskId] ||
-          progressCenter.getItemById(event.taskId);
-      if (!item) {
-        console.error('Cannot find deleting item.');
-        return;
-      }
-
-      // Update the item.
-      item.message = FileOperationHandler.getDeleteMessage_(event);
-      if (event.reason === 'SUCCESS') {
-        item.state = ProgressItemState.COMPLETED;
-        item.progressValue = item.progressMax;
-      } else if (event.reason === 'CANCELED') {
-        item.state = ProgressItemState.CANCELED;
-      } else {
-        item.state = ProgressItemState.ERROR;
-      }
-
-      // Apply the change.
-      if (!pending || event.reason === 'ERROR')
-        progressCenter.updateItem(item);
-      if (pending)
-        delete this.pendingItems_[event.taskId];
-      break;
-  }
-};
-
-/**
- * Shows the pending item.
- *
- * @param {ProgressCenterItem} item Pending item.
- * @private
- */
-FileOperationHandler.prototype.showPendingItem_ = function(item) {
-  // The item is already gone.
-  if (!this.pendingItems_[item.id])
-    return;
-  delete this.pendingItems_[item.id];
-  this.progressCenter_.updateItem(item);
-};