Gallery: Update edit-mode-applicavilities even if it's a instant auto fix, and update them on undo/…

ui/file_manager/gallery/js/image_editor/image_editor.js

 // Copyright 2014 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.
 
 /**
  * ImageEditor is the top level object that holds together and connects
  * everything needed for image editing.
  *
  * @param {!Viewport} viewport The viewport.
  * @param {!ImageView} imageView The ImageView containing the images to edit.
@@ skipping 283 matching lines @@
   // First undo click should dismiss the uncommitted modifications.
   if (this.currentMode_ && this.currentMode_.isUpdated()) {
     this.currentMode_.reset();
     return;
   }
 
   this.getPrompt().hide();
   this.leaveModeInternal_(false, false /* not to switch mode */);
   this.commandQueue_.undo();
   this.updateUndoRedo();
+  this.calculateModeApplicativity_();
 };
 
 /**
  * Redo the recently un-done command.
  */
 ImageEditor.prototype.redo = function() {
   if (this.isLocked()) return;
   this.recordToolUse('redo');
   this.getPrompt().hide();
   this.leaveModeInternal_(false, false /* not to switch mode */);
   this.commandQueue_.redo();
   this.updateUndoRedo();
+  this.calculateModeApplicativity_();
 };
 
 /**
  * Update Undo/Redo buttons state.
  */
 ImageEditor.prototype.updateUndoRedo = function() {
   var canUndo = this.commandQueue_ && this.commandQueue_.canUndo();
   var canRedo = this.commandQueue_ && this.commandQueue_.canRedo();
   ImageUtil.setAttribute(this.undoButton_, 'disabled', !canUndo);
   ImageUtil.setAttribute(this.redoButton_, 'disabled', !canRedo);
@@ skipping 302 matching lines @@
   if (!this.currentMode_.instant) {
     this.getViewport().setScreenTop(
         ImageEditor.Toolbar.HEIGHT + mode.paddingTop);
     this.getViewport().setScreenBottom(
         ImageEditor.Toolbar.HEIGHT * 2 + mode.paddingBottom);
     this.getImageView().applyViewportChange();
   }
 
   this.currentMode_.setUp();
 
+  this.calculateModeApplicativity_();
   if (this.currentMode_.instant) {  // Instant tool.
     this.leaveModeInternal_(true, false /* not to switch mode */);
     return;
   }
 
   this.exitButton_.hidden = true;
 
   this.modeToolbar_.clear();
   this.currentMode_.createTools(this.modeToolbar_);
   this.modeToolbar_.show(true);
-  this.calculateModeApplicativity_();
 };
 
 /**
  * Handles click event of Done button.
  * @param {!Event} event An event.
  * @private
  */
 ImageEditor.prototype.onDoneClicked_ = function(event) {
   this.leaveModeInternal_(true /* commit */, false /* not to switch mode */);
 };
@@ skipping 144 matching lines @@
   if (this.getMode()) {
     var action = this.buffer_.getDoubleTapAction(x, y);
     if (action === ImageBuffer.DoubleTapAction.COMMIT)
       this.leaveModeInternal_(true, false /* not to switch mode */);
     else if (action === ImageBuffer.DoubleTapAction.CANCEL)
       this.leaveModeInternal_(false, false /* not to switch mode */);
   }
 };
 
 /**
+ * Called when the user starts editing image.
+ */
+ImageEditor.prototype.onStartEditing = function() {
+  this.calculateModeApplicativity_();
+};
+
+/**
  * A helper object for panning the ImageBuffer.
  *
  * @param {!HTMLElement} rootContainer The top-level container.
  * @param {!HTMLElement} container The container for mouse events.
  * @param {!ImageBuffer} buffer Image buffer.
  * @constructor
  * @struct
  */
 ImageEditor.MouseControl = function(rootContainer, container, buffer) {
   this.rootContainer_ = rootContainer;
@@ skipping 696 matching lines @@
 
 /**
  * Hide the prompt.
  */
 ImageEditor.Prompt.prototype.hide = function() {
   if (!this.prompt_) return;
   this.prompt_.setAttribute('state', 'fadeout');
   // Allow some time for the animation to play out.
   this.setTimer(this.reset.bind(this), 500);
 };