Add gdata content search to file_manager

chrome/browser/resources/file_manager/js/file_manager.js

 // Copyright (c) 2012 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.
 
 /**
  * FileManager constructor.
  *
  * FileManager objects encapsulate the functionality of the file selector
  * dialogs, as well as the full screen file manager application (though the
  * latter is not yet implemented).
@@ skipping 1016 matching lines @@
       case 'delete':
         return (// Initialized to the point where we have a current directory
                 !readonly &&
                 // Rename not in progress.
                 !this.isRenamingInProgress() &&
                 this.selection &&
                 this.selection.totalCount > 0);
 
       case 'newfolder':
         return !readonly &&
+               !this.directoryModel_.isSearching() &&
                (this.dialogType_ == FileManager.DialogType.SELECT_SAVEAS_FILE ||
                 this.dialogType_ == FileManager.DialogType.FULL_PAGE);
 
       case 'unmount':
         return true;
 
       case 'format':
         var entry = this.directoryModel_.getCurrentRootDirEntry();
 
         return entry && DirectoryModel.getRootType(entry.fullPath) ==
@@ skipping 233 matching lines @@
       }
     }
   };
 
   /**
    * Handler of file manager operations. Update directory model
    * to reflect operation result iimediatelly (not waiting directory
    * update event).
    */
   FileManager.prototype.onCopyManagerOperationComplete_ = function(event) {
-    var currentPath = this.directoryModel_.getCurrentDirEntry().fullPath;
+    var currentPath =
+        this.directoryModel_.getCurrentDirPath();
+    if (this.isOnGData() && this.directoryModel_.isSearching())
+      return;
+
     function inCurrentDirectory(entry) {
       var fullPath = entry.fullPath;
       var dirPath = fullPath.substr(0, fullPath.length -
                                        entry.name.length - 1);
       return dirPath == currentPath;
     }
     for (var i = 0; i < event.affectedEntries.length; i++) {
       entry = event.affectedEntries[i];
       if (inCurrentDirectory(entry))
         this.directoryModel_.onEntryChanged(entry.name);
@@ skipping 217 matching lines @@
         defaultTitle = str('SELECT_OPEN_FILE_TITLE');
         break;
 
       case FileManager.DialogType.SELECT_OPEN_MULTI_FILE:
         defaultTitle = str('SELECT_OPEN_MULTI_FILE_TITLE');
         break;
 
       case FileManager.DialogType.SELECT_SAVEAS_FILE:
         defaultTitle = str('SELECT_SAVEAS_FILE_TITLE');
         okLabel = str('SAVE_LABEL');
+        // We don't want search enabled in save as dialog.
+        this.dialogDom_.querySelector('#search-box').style.display = 'none';
         break;
 
       case FileManager.DialogType.FULL_PAGE:
         break;
 
       default:
         throw new Error('Unknown dialog type: ' + this.dialogType_);
     }
 
     this.okButton_.textContent = okLabel;
@@ skipping 325 matching lines @@
    * @param {Entry} entry The Entry object to render.
    * @return {HTMLDivElement} The label.
    */
   FileManager.prototype.renderFileNameLabel_ = function(entry) {
     // Filename need to be in a '.filename-label' container for correct
     // work of inplace renaming.
     var fileName = this.document_.createElement('div');
     fileName.className = 'filename-label';
 
     fileName.textContent =
-        this.directoryModel_.getCurrentDirEntry().name == '' ?
-            this.getRootLabel_(entry.name) : entry.name;
+        this.directoryModel_.getDisplayName(entry.fullPath, entry.name);
+
     return fileName;
   };
 
   /**
    * Render the Size column of the detail table.
    *
    * @param {Entry} entry The Entry object to render.
    * @param {string} columnId The id of the column to be rendered.
    * @param {cr.ui.Table} table The table doing the rendering.
    */
@@ skipping 812 matching lines @@
           this.setupCurrentDirectoryPostponed_(true /* cancel */);
           // Change to unmounted GData root.
           changeDirectoryTo = '/' + DirectoryModel.GDATA_DIRECTORY;
         }
       }
     }
 
     chrome.fileBrowserPrivate.getMountPoints(function(mountPoints) {
       this.setMountPoints_(mountPoints);
 
-      if (event.eventType == 'mount') {
+      if (event.eventType == 'mount' && event.mountType != 'gdata') {
         // Mount request finished - remove it.
         // Currently we only request mounts for archive files.
         var index = this.mountRequests_.indexOf(event.sourcePath);
         if (index != -1) {
           this.mountRequests_.splice(index, 1);
           if (event.status == 'success') {
             // Successful mount requested from this tab, go to the drive root.
             changeDirectoryTo = event.mountPath;
           } else {
             // Request initiated from this tab failed, report the error.
             var fileName = event.sourcePath.split('/').pop();
             this.alert.show(
                 strf('ARCHIVE_MOUNT_FAILED', fileName, event.status));
           }
         }
       }
 
-      if (event.eventType == 'unmount') {
+      if (event.eventType == 'unmount' && event.mountType != 'gdata') {
         // Unmount request finished - remove it.
         var index = this.unmountRequests_.indexOf(event.mountPath);
         if (index != -1) {
           this.unmountRequests_.splice(index, 1);
           if (event.status != 'success')
             this.alert.show(strf('UNMOUNT_FAILED', event.status));
         }
 
         if (event.status == 'success' &&
             event.mountPath == this.directoryModel_.getCurrentRootPath()) {
@@ skipping 119 matching lines @@
         if (task.taskId != this.getExtensionId_() + '|gallery') {
           // Add callback, so gallery can execute the task.
           task.execute = this.dispatchFileTask_.bind(this, task.taskId);
           shareActions.push(task);
         }
       }
       callback(shareActions);
     }.bind(this));
   };
 
+  /**
+   * Does preprocessing of url list to open before calling |doOpenGallery_|.
+   *
+   * @param {Array.<string>} urls List of urls to open in the gallery.
+   */
   FileManager.prototype.openGallery_ = function(urls) {
-    var self = this;
-
-    var galleryFrame = this.document_.createElement('iframe');
-    galleryFrame.className = 'overlay-pane';
-    galleryFrame.scrolling = 'no';
-    galleryFrame.setAttribute('webkitallowfullscreen', true);
-
     var singleSelection = urls.length == 1;
     var selectedUrl;
     if (singleSelection && FileType.isImage(urls[0])) {
       // Single image item selected. Pass to the Gallery as a selected.
       selectedUrl = urls[0];
       // Pass along every image and video in the directory so that it shows up
       // in the ribbon.
       // We do not do that if a single video is selected because the UI is
       // cleaner without the ribbon.
       urls = this.getAllUrlsInCurrentDirectory_().filter(
           FileType.isImageOrVideo);
     } else {
       // Pass just the selected items, select the first entry.
       selectedUrl = urls[0];
     }
 
+    // TODO(tbarzic): There's probably a better way to do this.
+    if (this.directoryModel_.isOnGDataSearchDir()) {
+      var self = this;
+      var gdataRootUrl = this.directoryModel_.getCurrentRootDirEntry().toURL();
+      util.resolveGDataSearchUrls([selectedUrl], gdataRootUrl,
+        function(resolved) {
+          util.resolveGDataSearchUrls(urls, gdataRootUrl,
+              self.doOpenGallery_.bind(self, singleSelection, resolved[0]));
+      });
+      return;
+    }
+    this.doOpenGallery_(singleSelection, selectedUrl, urls);
+  };
+
+  /**
+   * Opens provided urls in the gallery.
+   *
+   * @param {string} selectedUrl Url of the item that should initially be
+   *     selected.
+   * @param {Array.<string>} urls List of all the urls that will be shown in
+   *     the gallery.
+   */
+  FileManager.prototype.doOpenGallery_ = function(singleSelection,
+                                                  selectedUrl,
+                                                  urls) {
+    var self = this;
+
+    var galleryFrame = this.document_.createElement('iframe');
+    galleryFrame.className = 'overlay-pane';
+    galleryFrame.scrolling = 'no';
+    galleryFrame.setAttribute('webkitallowfullscreen', true);
+
     var dirPath = this.directoryModel_.getCurrentDirEntry().fullPath;
-
     // Push a temporary state which will be replaced every time an individual
     // item is selected in the Gallery.
     this.updateLocation_(false /*push*/, dirPath);
 
     galleryFrame.onload = function() {
       galleryFrame.contentWindow.ImageUtil.metrics = metrics;
       galleryFrame.contentWindow.FileType = FileType;
       galleryFrame.contentWindow.util = util;
 
       // Gallery shoud treat GData folder as readonly even when online
@@ skipping 67 matching lines @@
 
       path = path + '/';
       div.path = path;
 
       bc.appendChild(div);
 
       if (i == pathNames.length - 1) {
         div.classList.add('breadcrumb-last');
       } else {
         div.addEventListener('click', this.onBreadcrumbClick_.bind(this));
-
         var spacer = doc.createElement('div');
         spacer.className = 'separator';
         bc.appendChild(spacer);
       }
     }
     this.truncateBreadcrumbs_();
   };
 
   FileManager.prototype.isRenamingInProgress = function() {
     return !!this.renameInput_.currentEntry;
@@ skipping 130 matching lines @@
   };
 
   /**
    * Return URL of the current directory or null.
    */
   FileManager.prototype.getCurrentDirectoryURL = function() {
     return this.directoryModel_ &&
         this.directoryModel_.getCurrentDirEntry().toURL();
   };
 
+  /**
+   * Return URL of the search directory, current directory or null.
+   */
+  FileManager.prototype.getSearchOrCurrentDirectoryURL = function() {
+    return this.directoryModel_ &&
+        this.directoryModel_.getSearchOrCurrentDirEntry().toURL();
+  };
+
   FileManager.prototype.deleteEntries = function(entries, force, opt_callback) {
     if (!force) {
       var self = this;
       var msg;
       if (entries.length == 1) {
-        msg = strf('CONFIRM_DELETE_ONE', entries[0].name);
+        var entryName = this.directoryModel_.getDisplayName(entries[0].fullPath,
+                                                            entries[0].name);
+        msg = strf('CONFIRM_DELETE_ONE', entryName);
       } else {
         msg = strf('CONFIRM_DELETE_SOME', entries.length);
       }
 
       this.confirm.show(msg, this.deleteEntries.bind(
           this, entries, true, opt_callback));
       return;
     }
 
     this.directoryModel_.deleteEntries(entries, opt_callback);
@@ skipping 256 matching lines @@
       this.dispatchDefaultTask_();
       return true;
     }
     if (!this.okButton_.disabled) {
       this.onOk_();
       return true;
     }
     return false;
   };
 
+  /**
+   * Executes directory action (i.e. changes directory). If new directory is a
+   * search result directory, we'll have to calculate its real path before we
+   * actually do the operation.
+   *
+   * @param {DirectoryEntry} entry Directory entry to which directory should be
+   *                               changed.
+   */
   FileManager.prototype.onDirectoryAction = function(entry) {
-    var deviceNumber = this.getDeviceNumber(entry);
-    if (deviceNumber != undefined &&
-        this.mountPoints_[deviceNumber].mountCondition ==
-        'unknown_filesystem') {
-      return this.showButter(str('UNKNOWN_FILESYSTEM_WARNING'));
-    } else if (deviceNumber != undefined &&
-               this.mountPoints_[deviceNumber].mountCondition ==
-               'unsupported_filesystem') {
-      return this.showButter(str('UNSUPPORTED_FILESYSTEM_WARNING'));
-    } else {
+    if (!DirectoryModel.isGDataSearchPath(entry.fullPath))
       return this.directoryModel_.changeDirectory(entry.fullPath);
-    }
+
+    // If we are under gdata search path, the real entries file path may be
+    // different from |entry.fullPath|.
+    var self = this;
+    chrome.fileBrowserPrivate.getPathForDriveSearchResult(entry.toURL(),
+      function(path) {
+        // |path| may be undefined if there was an error. If that is the case,
+        // change to the original file path.
+        var changeToPath = path;
+        self.directoryModel_.changeDirectory(changeToPath);
+      });
   };
 
   /**
    * Show or hide the "Low disk space" warning.
    * @param {boolean} show True if the box need to be shown.
    */
   FileManager.prototype.showLowDiskSpaceWarning_ = function(show) {
     var box = this.dialogDom_.querySelector('.downloads-warning');
     if (show) {
       var html = util.htmlUnescape(str('DOWNLOADS_DIRECTORY_WARNING'));
@@ skipping 30 matching lines @@
   /**
    * Update the tab title.
    */
   FileManager.prototype.updateTitle_ = function() {
     this.document_.title = this.getCurrentDirectory().substr(1).replace(
         new RegExp('^' + DirectoryModel.GDATA_DIRECTORY),
         str('GDATA_PRODUCT_NAME'));
   },
 
   /**
+   * Updates search box value when directory gets changed.
+   */
+  FileManager.prototype.updateSearchBoxOnDirChange_ = function() {
+    var searchBox = this.dialogDom_.querySelector('#search-box');
+    if (!searchBox.disabled)
+      searchBox.value = '';
+  },
+
+  /**
    * Update the UI when the current directory changes.
    *
    * @param {cr.Event} event The directory-changed event.
    */
   FileManager.prototype.onDirectoryChanged_ = function(event) {
     this.updateCommonActionButtons_();
     this.updateOkButton_();
     this.updateBreadcrumbs_();
     this.updateColumnModel_();
+    this.updateSearchBoxOnDirChange_();
 
     // Sometimes we rescan the same directory (when mounting GData lazily first,
     // then for real). Do not update the location then.
     if (event.newDirEntry.fullPath != event.previousDirEntry.fullPath) {
       this.updateLocation_(event.initial, event.newDirEntry.fullPath);
     }
 
     this.checkFreeSpace_(this.getCurrentDirectory());
 
     this.updateTitle_();
@@ skipping 88 matching lines @@
             if (!result) {
               console.log('Failed to remove file watch');
             }
           });
       this.watchedDirectoryUrl_ = null;
     }
   };
 
   FileManager.prototype.onFileChanged_ = function(event) {
     // We receive a lot of events even in folders we are not interested in.
-    if (encodeURI(event.fileUrl) == this.getCurrentDirectoryURL())
+    if (encodeURI(event.fileUrl) == this.getSearchOrCurrentDirectoryURL())
       this.directoryModel_.rescanLater();
   };
 
   FileManager.prototype.initiateRename_ = function() {
     var item = this.currentList_.ensureLeadItemExists();
     if (!item)
       return;
     var label = item.querySelector('.filename-label');
     var input = this.renameInput_;
 
@@ skipping 59 matching lines @@
       input.validation_ = false;
       // Alert dialog restores focus unless the item removed from DOM.
       if (this.document_.activeElement != input)
         this.cancelRename_();
     }
 
     if (!this.validateFileName_(newName, validationDone.bind(this)))
       return;
 
     function onError(err) {
-      nameNode.textContent = entry.name;
-      this.alert.show(strf('ERROR_RENAMING', entry.name,
+      var entryName =
+          this.directoryModel_.getDisplayName(entry.fullPath, entry.name);
+      nameNode.textContent = entryName;
+      this.alert.show(strf('ERROR_RENAMING', entryName,
                            getFileErrorString(err.code)));
     }
 
     this.cancelRename_();
     // Optimistically apply new name immediately to avoid flickering in
     // case of success.
     nameNode.textContent = newName;
 
-    this.directoryModel_.doesExist(newName, function(exists, isFile) {
+    this.directoryModel_.doesExist(entry, newName, function(exists, isFile) {
       if (!exists) {
         this.directoryModel_.renameEntry(entry, newName, onError.bind(this));
       } else {
-        nameNode.textContent = entry.name;
+        nameNode.textContent =
+            this.directoryModel_.getDisplayName(entry.fullPath, entry.name);
         var message = isFile ? 'FILE_ALREADY_EXISTS' :
                                'DIRECTORY_ALREADY_EXISTS';
         this.alert.show(strf(message, newName));
       }
     }.bind(this));
   };
 
   FileManager.prototype.cancelRename_ = function() {
     this.renameInput_.currentEntry = null;
 
@@ skipping 347 matching lines @@
     }
     this.onUnload_();
     window.close();
   };
 
   /**
    * Tries to close this modal dialog with some files selected.
    * Performs preprocessing if needed (e.g. for GData).
    * @param {Object} selection Contains urls, filterIndex and multiple fields.
    */
-  FileManager.prototype.selectFilesAndClose_ = function(selection) {
+  FileManager.prototype.doSelectFilesAndClose_ = function(selection) {
     if (!this.isOnGData()) {
       setTimeout(this.callSelectFilesApiAndClose_.bind(this, selection), 0);
       return;
     }
 
     var shade = this.document_.createElement('div');
     shade.className = 'shade';
     var footer = this.document_.querySelector('.dialog-footer');
     var progress = footer.querySelector('.progress-track');
     progress.style.width = '0%';
@@ skipping 81 matching lines @@
         }
       }
       this.resolveSelectResults_(selection.urls, onResolved);
     }.bind(this);
 
     setup();
     this.metadataCache_.get(selection.urls, 'gdata', onProperties);
   };
 
   /**
+   * Does selection urls list preprocessing and calls |doSelectFilesAndClose_|.
+   *
+   * @param {Object} selection Contains urls, filterIndex and multiple fields.
+   */
+  FileManager.prototype.selectFilesAndClose_ = function(selection) {
+    if (this.directoryModel_.isOnGDataSearchDir()) {
+      var self = this;
+      var gdataRootUrl = this.directoryModel_.getCurrentRootDirEntry().toURL();
+      util.resolveGDataSearchUrls(selection.urls, gdataRootUrl,
+          function(resolved) {
+            selection.urls = resolved;
+            self.doSelectFilesAndClose_(selection);
+          });
+      return;
+    }
+    this.doSelectFilesAndClose_(selection);
+  };
+
+  /**
    * Handle a click of the ok button.
    *
    * The ok button has different UI labels depending on the type of dialog, but
    * in code it's always referred to as 'ok'.
    *
    * @param {Event} event The click event.
    */
   FileManager.prototype.onOk_ = function(event) {
-    var currentDirUrl = this.getCurrentDirectoryURL();
+    var currentDirUrl = this.getSearchOrCurrentDirectoryURL();
 
     if (currentDirUrl.charAt(currentDirUrl.length - 1) != '/')
       currentDirUrl += '/';
 
     var self = this;
     if (this.dialogType_ == FileManager.DialogType.SELECT_SAVEAS_FILE) {
       // Save-as doesn't require a valid selection from the list, since
       // we're going to take the filename from the text input.
       var filename = this.filenameInput_.value;
       if (!filename)
@@ skipping 41 matching lines @@
       throw new Error('Nothing selected!');
 
     var dm = this.directoryModel_.getFileList();
     for (var i = 0; i < selectedIndexes.length; i++) {
       var entry = dm.item(selectedIndexes[i]);
       if (!entry) {
         console.log('Error locating selected file at index: ' + i);
         continue;
       }
 
-      files.push(currentDirUrl + encodeURIComponent(entry.name));
+      files.push(entry.toURL());
     }
 
     // Multi-file selection has no other restrictions.
     if (this.dialogType_ == FileManager.DialogType.SELECT_OPEN_MULTI_FILE) {
       var multipleSelection = {
         urls: files,
         multiple: true
       };
       this.selectFilesAndClose_(multipleSelection);
       return;
@@ skipping 124 matching lines @@
     else
       event.target.removeAttribute('checked');
 
     var changeInfo = {};
     changeInfo[pref] = inverted ? !newValue : newValue;
     chrome.fileBrowserPrivate.setGDataPreferences(changeInfo);
   };
 
   FileManager.prototype.onSearchBoxUpdate_ = function(event) {
     var searchString = this.document_.getElementById('search-box').value;
-    var searchStringLC = searchString.toLowerCase();
     var noResultsDiv = this.document_.getElementById('no-search-results');
-    if (searchString) {
-      this.directoryModel_.addFilter(
-          'searchbox',
-          function(e) {
-            return e.name.toLowerCase().indexOf(searchStringLC) > -1;
-          });
 
-      this.reportEmptySearchResults_ = function() {
-        if (this.directoryModel_.getFileList().length === 0) {
-          var text = strf('SEARCH_NO_MATCHING_FILES', searchString);
-          noResultsDiv.innerHTML = text;
-          noResultsDiv.hidden = false;
-        }
-      }.bind(this);
+    function reportEmptySearchResults() {
+      if (this.directoryModel_.getFileList().length === 0) {
+        var text = strf('SEARCH_NO_MATCHING_FILES', searchString);
+        noResultsDiv.innerHTML = text;
+        noResultsDiv.hidden = false;
+      } else {
+        noResultsDiv.hidden = true;
+      }
+    }
 
-      this.directoryModel_.addEventListener(
-          'rescan-completed', this.reportEmptySearchResults_);
-    } else {
-      this.directoryModel_.removeFilter('searchbox');
+    function hideNoResultsDiv() {
       noResultsDiv.hidden = true;
-      this.directoryModel_.removeEventListener(
-          'rescan-completed', this.reportEmptySearchResults_);
     }
+
+    this.directoryModel_.search(searchString,
+                                reportEmptySearchResults.bind(this),
+                                hideNoResultsDiv.bind(this));
   };
 
   FileManager.prototype.decorateSplitter = function(splitterElement) {
     var self = this;
 
     var Splitter = cr.ui.Splitter;
 
     var customSplitter = cr.ui.define('div');
 
     customSplitter.prototype = {
@@ skipping 141 matching lines @@
 
     function closeBanner() {
       self.cleanupGDataWelcome_();
       // Stop showing the welcome banner.
       localStorage[WELCOME_HEADER_COUNTER_KEY] = WELCOME_HEADER_COUNTER_LIMIT;
     }
 
     return maybeShowBanner;
   };
 })();