Add notification before getMultiProfileShareEntries_.

* getMultiProfileShareEntries_ is very slow.

BUG=409711
TEST=manually
1.Copy the large directory in the drive of user A.
2.Paste the A's large directory into the drive of user B.
3.Confirm notification is displayed.

Review URL: https://codereview.chromium.org/571343002

Cr-Commit-Position: refs/heads/master@{#295235}

ui/file_manager/file_manager/background/js/file_operation_manager.js

@@ -1184,9 +1184,12 @@ FileOperationManager.prototype.requestTaskCancel = function(taskId) {
  *     directory.
  * @param {boolean} isMove True if the operation is "move", otherwise (i.e.
  *     if the operation is "copy") false.
+ * @param {string=} opt_taskId If the corresponding item has already created
+ *     at another places, we need to specify the ID of the item. If the
+ *     item is not created, FileOperationManager generates new ID.
  */
 FileOperationManager.prototype.paste = function(
-    sourceEntries, targetEntry, isMove) {
+    sourceEntries, targetEntry, isMove, opt_taskId) {
   // Do nothing if sourceEntries is empty.
   if (sourceEntries.length === 0)
     return;
@@ -1220,7 +1223,7 @@ FileOperationManager.prototype.paste = function(
     if (filteredEntries.length === 0)
       return;
 
-    this.queueCopy_(targetEntry, filteredEntries, isMove);
+    this.queueCopy_(targetEntry, filteredEntries, isMove, opt_taskId);
   }.bind(this));
 };
 
@@ -1231,10 +1234,13 @@ FileOperationManager.prototype.paste = function(
  * @param {DirectoryEntry} targetDirEntry Target directory.
  * @param {Array.<Entry>} entries Entries to copy.
  * @param {boolean} isMove In case of move.
+ * @param {string=} opt_taskId If the corresponding item has already created
+ *     at another places, we need to specify the ID of the item. If the
+ *     item is not created, FileOperationManager generates new ID.
  * @private
  */
 FileOperationManager.prototype.queueCopy_ = function(
-    targetDirEntry, entries, isMove) {
+    targetDirEntry, entries, isMove, opt_taskId) {
   var task;
   if (isMove) {
     // When moving between different volumes, moving is implemented as a copy
@@ -1250,7 +1256,7 @@ FileOperationManager.prototype.queueCopy_ = function(
     task = new FileOperationManager.CopyTask(entries, targetDirEntry, false);
   }
 
-  task.taskId = this.generateTaskId_();
+  task.taskId = opt_taskId || this.generateTaskId();
   this.eventRouter_.sendProgressEvent('BEGIN', task.getStatus(), task.taskId);
   task.initialize(function() {
     this.copyTasks_.push(task);
@@ -1327,7 +1333,7 @@ FileOperationManager.prototype.deleteEntries = function(entries) {
   // TODO(hirono): Make FileOperationManager.DeleteTask.
   var task = Object.seal({
     entries: entries,
-    taskId: this.generateTaskId_(),
+    taskId: this.generateTaskId(),
     entrySize: {},
     totalBytes: 0,
     processedBytes: 0,
@@ -1438,7 +1444,7 @@ FileOperationManager.prototype.zipSelection = function(
     dirEntry, selectionEntries) {
   var zipTask = new FileOperationManager.ZipTask(
       selectionEntries, dirEntry, dirEntry);
-  zipTask.taskId = this.generateTaskId_(this.copyTasks_);
+  zipTask.taskId = this.generateTaskId(this.copyTasks_);
   zipTask.zip = true;
   this.eventRouter_.sendProgressEvent('BEGIN',
                                       zipTask.getStatus(),
@@ -1454,8 +1460,7 @@ FileOperationManager.prototype.zipSelection = function(
  * Generates new task ID.
  *
  * @return {string} New task ID.
- * @private
  */
-FileOperationManager.prototype.generateTaskId_ = function() {
+FileOperationManager.prototype.generateTaskId = function() {
   return 'file-operation-' + this.taskIdCounter_++;
 };

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

@@ -959,12 +959,14 @@ var BOTTOM_MARGIN_FOR_PREVIEW_PANEL_PX = 52;
         'entries-changed', this.onEntriesChangedBound_);
 
     var controller = this.fileTransferController_ =
-        new FileTransferController(this.document_,
+        new FileTransferController(
+                this.document_,
                 this.fileOperationManager_,
                 this.metadataCache_,
                 this.directoryModel_,
                 this.volumeManager_,
-                                   this.ui_.multiProfileShareDialog);
+                this.ui_.multiProfileShareDialog,
+                this.backgroundPage_.background.progressCenter);
     controller.attachDragSource(this.table_.list);
     controller.attachFileListDropTarget(this.table_.list);
     controller.attachDragSource(this.grid_);
@@ -2829,9 +2831,20 @@ var BOTTOM_MARGIN_FOR_PREVIEW_PANEL_PX = 52;
       this.directoryModel_.dispose();
     if (this.volumeManager_)
       this.volumeManager_.dispose();
-    if (this.progressCenterPanel_)
+    for (var i = 0;
+         i < this.fileTransferController_.pendingTaskId.length;
+         i++) {
+      var taskId = this.fileTransferController_.pendingTaskId[i];
+      var item =
+          this.backgroundPage_.background.progressCenter.getItemById(taskId);
+      item.message = '';
+      item.state = ProgressItemState.CANCELED;
+      this.backgroundPage_.background.progressCenter.updateItem(item);
+    }
+    if (this.progressCenterPanel_) {
       this.backgroundPage_.background.progressCenter.removePanel(
           this.progressCenterPanel_);
+    }
     if (this.fileOperationManager_) {
       if (this.onCopyProgressBound_) {
         this.fileOperationManager_.removeEventListener(

ui/file_manager/file_manager/foreground/js/file_transfer_controller.js

@@ -21,6 +21,7 @@ var DRAG_AND_DROP_GLOBAL_DATA = '__drag_and_drop_global_data';
  * @param {VolumeManagerWrapper} volumeManager Volume manager instance.
  * @param {MultiProfileShareDialog} multiProfileShareDialog Share dialog to be
  *     used to share files from another profile.
+ * @param {ProgressCenter} progressCenter To notify starting copy operation.
  * @constructor
  */
 function FileTransferController(doc,
@@ -28,13 +29,15 @@ function FileTransferController(doc,
                                 metadataCache,
                                 directoryModel,
                                 volumeManager,
-                                multiProfileShareDialog) {
+                                multiProfileShareDialog,
+                                progressCenter) {
   this.document_ = doc;
   this.fileOperationManager_ = fileOperationManager;
   this.metadataCache_ = metadataCache;
   this.directoryModel_ = directoryModel;
   this.volumeManager_ = volumeManager;
   this.multiProfileShareDialog_ = multiProfileShareDialog;
+  this.progressCenter_ = progressCenter;
 
   this.directoryModel_.getFileList().addEventListener(
       'change', function(event) {
@@ -46,6 +49,12 @@ function FileTransferController(doc,
   this.directoryModel_.getFileListSelection().addEventListener('change',
       this.onSelectionChanged_.bind(this));
 
+  /**
+   * The array of pending task ID.
+   * @type {Array.<string>}
+   */
+  this.pendingTaskIds = [];
+
   /**
    * Promise to be fulfilled with the thumbnail image of selected file in drag
    * operation. Used if only one element is selected.
@@ -75,6 +84,13 @@ function FileTransferController(doc,
    * @private
    */
   this.touching_ = false;
+
+  /**
+   * Task ID counter.
+   * @type {number}
+   * @private
+   */
+  this.taskIdCounter_ = 0;
 }
 
 /**
@@ -333,11 +349,21 @@ FileTransferController.prototype = {
         opt_destinationEntry || this.currentDirectoryContentEntry;
     var entries;
     var failureUrls;
+    var taskId = this.fileOperationManager_.generateTaskId();
 
     util.URLsToEntries(sourceURLs).
     then(function(result) {
+      this.pendingTaskIds.push(taskId);
       entries = result.entries;
       failureUrls = result.failureUrls;
+      var item = new ProgressCenterItem();
+      item.id = taskId;
+      item.type = ProgressItemType.COPY;
+      if (result.entries.length === 1)
+        item.message = strf('COPY_FILE_NAME', result.entries[0].name);
+      else
+        item.message = strf('COPY_ITEMS_REMAINING', result.entries.length);
+      this.progressCenter_.updateItem(item);
       // Check if cross share is needed or not.
       return this.getMultiProfileShareEntries_(entries);
     }.bind(this)).
@@ -369,7 +395,8 @@ FileTransferController.prototype = {
     then(function() {
       // Start the pasting operation.
       this.fileOperationManager_.paste(
-          entries, destinationEntry, toMove);
+          entries, destinationEntry, toMove, taskId);
+      this.pendingTaskIds.splice(this.pendingTaskIds.indexOf(taskId), 1);
 
       // Publish events for failureUrls.
       for (var i = 0; i < failureUrls.length; i++) {