Gallery: Support RAW files in Gallery.

ui/file_manager/gallery/js/slide_mode.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.
 
 /**
  * Slide mode displays a single image and has a set of controls to navigate
  * between the images and to edit an image.
  *
  * @param {!HTMLElement} container Main container element.
  * @param {!HTMLElement} content Content container element.
@@ skipping 214 matching lines @@
   /**
    * @type {!HTMLElement}
    * @private
    * @const
    */
   this.savedLabel_ = util.createChild(this.options_, 'saved');
   this.savedLabel_.textContent = this.displayStringFunction_('GALLERY_SAVED');
 
   /**
    * @type {!HTMLElement}
+   * @private
    * @const
    */
-  var overwriteOriginalBox = util.createChild(
+  this.overwriteOriginalBox_ = util.createChild(
       this.options_, 'overwrite-original');
 
   /**
    * @type {!HTMLElement}
    * @private
    * @const
    */
   this.overwriteOriginal_ = util.createChild(
-      overwriteOriginalBox, '', 'input');
+      this.overwriteOriginalBox_, '', 'input');
   this.overwriteOriginal_.type = 'checkbox';
   this.overwriteOriginal_.id = 'overwrite-checkbox';
   chrome.storage.local.get(SlideMode.OVERWRITE_KEY, function(values) {
     var value = values[SlideMode.OVERWRITE_KEY];
     // Out-of-the box default is 'true'
     this.overwriteOriginal_.checked =
         (value === 'false' || value === false) ? false : true;
   }.bind(this));
   this.overwriteOriginal_.addEventListener('click',
       this.onOverwriteOriginalClick_.bind(this));
 
   /**
    * @type {!HTMLElement}
    * @const
    */
-  var overwriteLabel = util.createChild(overwriteOriginalBox, '', 'label');
+  var overwriteLabel = util.createChild(
+      this.overwriteOriginalBox_, '', 'label');
   overwriteLabel.textContent =
       this.displayStringFunction_('GALLERY_OVERWRITE_ORIGINAL');
   overwriteLabel.setAttribute('for', 'overwrite-checkbox');
 
   /**
    * @type {!HTMLElement}
    * @private
    * @const
    */
   this.bubble_ = util.createChild(this.toolbar_, 'bubble');
@@ skipping 755 matching lines @@
   // Enable or disable buttons for editing and printing.
   if (opt_error) {
     this.editButton_.disabled = true;
     this.printButton_.disabled = true;
   } else {
     this.editButton_.disabled = false;
     this.printButton_.disabled = false;
   }
 
   // For once edited image, disallow the 'overwrite' setting change.
-  ImageUtil.setAttribute(this.options_, 'saved',
-      !this.getSelectedItem().isOriginal());
+  ImageUtil.setAttribute(this.overwriteOriginalBox_, 'disabled',
+      !this.getSelectedItem().isOriginal() || FileType.isRaw(item.getEntry()));
 
-  chrome.storage.local.get(SlideMode.OVERWRITE_BUBBLE_KEY,
+  var keys = {};
+  keys[SlideMode.OVERWRITE_BUBBLE_KEY] = 0;
+  keys[SlideMode.OVERWRITE_KEY] = true;
+  chrome.storage.local.get(keys,
       function(values) {
-        var times = values[SlideMode.OVERWRITE_BUBBLE_KEY] || 0;
+        var times = values[SlideMode.OVERWRITE_BUBBLE_KEY];
         if (times < SlideMode.OVERWRITE_BUBBLE_MAX_TIMES) {
           this.bubble_.hidden = false;
           if (this.isEditing()) {
             var items = {};
             items[SlideMode.OVERWRITE_BUBBLE_KEY] = times + 1;
             chrome.storage.local.set(items);
           }
         }
+        if (FileType.isRaw(item.getEntry()))
+          this.overwriteOriginal_.checked = false;
+        else
+          this.overwriteOriginal_.checked = values[SlideMode.OVERWRITE_KEY];
       }.bind(this));
 
   loadCallback(loadType, delay);
 };
 
 /**
  * Commit changes to the current item and reset all messages/indicators.
  *
  * @param {function()} callback Callback.
  * @private
@@ skipping 204 matching lines @@
       this.imageView_.getCanvas(),
       this.shouldOverwriteOriginal_());
 
   savedPromise.then(function() {
     this.showSpinner_(false);
     this.flashSavedLabel_();
 
     // Allow changing the 'Overwrite original' setting only if the user
     // used Undo to restore the original image AND it is not a copy.
     // Otherwise lock the setting in its current state.
-    var mayChangeOverwrite = !this.editor_.canUndo() && item.isOriginal();
-    ImageUtil.setAttribute(this.options_, 'saved', !mayChangeOverwrite);
+    var mayChangeOverwrite = !this.editor_.canUndo() && item.isOriginal() &&
+        !FileType.isRaw(item.getEntry());
+    ImageUtil.setAttribute(
+        this.overwriteOriginalBox_, 'disabled', !mayChangeOverwrite);
 
     // Record UMA for the first edit.
     if (this.imageView_.getContentRevision() === 1)
       ImageUtil.metrics.recordUserAction(ImageUtil.getMetricName('Edit'));
 
     callback();
   }.bind(this)).catch(function(error) {
     console.error(error.stack || error);
 
     this.showSpinner_(false);
@@ skipping 577 matching lines @@
   var event = assertInstanceof(event, MouseEvent);
   var viewport = this.slideMode_.getViewport();
   if (!this.enabled_ || !viewport.isZoomed())
     return;
   this.stopOperation();
   viewport.setOffset(
       viewport.getOffsetX() + event.wheelDeltaX,
       viewport.getOffsetY() + event.wheelDeltaY);
   this.slideMode_.applyViewportChange();
 };