One-click install for the OSX App Launcher

ui/app_list/cocoa/apps_grid_view_item.mm

 // 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.
 
 #import "ui/app_list/cocoa/apps_grid_view_item.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_item_observer.h"
 #import "ui/app_list/cocoa/apps_grid_controller.h"
+#import "ui/app_list/cocoa/apps_pagination_model_observer.h"
 #import "ui/base/cocoa/menu_controller.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/image/image_skia_operations.h"
 #include "ui/gfx/image/image_skia_util_mac.h"
 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 
 namespace {
 
 // Padding from the top of the tile to the top of the app icon.
@@ skipping 20 matching lines @@
 // Bridged methods from app_list::AppListItemObserver:
 // Update the title, correctly setting the color if the button is highlighted.
 - (void)updateButtonTitle;
 
 // Update the button image after ensuring its dimensions are |kIconSize|.
 - (void)updateButtonImage;
 
 // Ensure the page this item is on is the visible page in the grid.
 - (void)ensureVisible;
 
-// Add or remove a progress bar from the view.
+// Adds a progress bar to the view if |isInstalling|, otherwise removes it.
 - (void)setItemIsInstalling:(BOOL)isInstalling;
 
 // Update the progress bar to represent |percent|, or make it indeterminate if
 // |percent| is -1, when unpacking begins.
 - (void)setPercentDownloaded:(int)percent;
 
 @end
 
 namespace app_list {
 
@@ skipping 314 matching lines @@
   [button setHidden:YES];
   return imageRep;
 }
 
 - (void)ensureVisible {
   NSCollectionView* collectionView = [self collectionView];
   AppsGridController* gridController =
       base::mac::ObjCCastStrict<AppsGridController>([collectionView delegate]);
   size_t pageIndex = [gridController pageIndexForCollectionView:collectionView];
   [gridController scrollToPage:pageIndex];
+
+  // If the item just completed a user-initiated install, additionally clear
+  // search results to reveal the item in the grid.
+  if ([self model]->percent_downloaded() == -1)
+    [[gridController paginationObserver] ensureAppsPagesVisible];
 }
 
 - (void)setItemIsInstalling:(BOOL)isInstalling {
   if (!isInstalling == !progressIndicator_)
     return;
 
   [self ensureVisible];
   if (!isInstalling) {
     [progressIndicator_ removeFromSuperview];
     progressIndicator_.reset();
@@ skipping 88 matching lines @@
 }
 
 // Workaround for http://crbug.com/324365: AppKit in Mavericks tries to call
 // - [NSButtonCell item] when inspecting accessibility. Without this, an
 // unrecognized selector exception is thrown inside AppKit, crashing Chrome.
 - (id)item {
   return nil;
 }
 
 @end