Added text filtering to Overview Mode

ash/wm/overview/window_selector_item.cc

 // 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.
 
 #include "ash/wm/overview/window_selector_item.h"
 
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/overview/scoped_transform_overview_window.h"
@@ skipping 89 matching lines @@
                                                   0);
   label->SetLayoutManager(layout);
   widget->SetContentsView(label);
   widget->Show();
   return widget;
 }
 
 const int WindowSelectorItem::kFadeInMilliseconds = 80;
 
 WindowSelectorItem::WindowSelectorItem()
-    : root_window_(NULL),
+    : dimmed_(false),
+      root_window_(NULL),
       in_bounds_update_(false) {
 }
 
 WindowSelectorItem::~WindowSelectorItem() {
 }
 
 void WindowSelectorItem::RemoveWindow(const aura::Window* window) {
   // If empty WindowSelectorItem will be destroyed immediately after this by
   // its owner.
   if (empty())
@@ skipping 106 matching lines @@
           ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
       settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds(
           ScopedTransformOverviewWindow::kTransitionMilliseconds));
       close_button_->GetNativeWindow()->SetTransform(close_button_transform);
     } else {
       close_button_->GetNativeWindow()->SetTransform(close_button_transform);
     }
   }
 }
 
+void WindowSelectorItem::SetDimmed(bool dimmed) {
+  dimmed_ = dimmed;
+  window_label_->GetNativeWindow()->layer()->SetOpacity(dimmed ? 0.5 : 1);
+  close_button_->GetNativeWindow()->layer()->SetOpacity(dimmed ? 0.5 : 1);

[flackr, 2014/06/26 17:33:08]

These should be done as part of ChangeItemVisibility / UpdateItemOpacity.

Also constant for 0.5f.

[Nina, 2014/06/27 15:20:39]

Done.

+  ChangeItemVisibility(!dimmed);
+}
+
 void WindowSelectorItem::UpdateWindowLabels(const gfx::Rect& window_bounds,
                                             aura::Window* root_window,
                                             bool animate) {
   gfx::Rect converted_bounds = ScreenUtil::ConvertRectFromScreen(root_window,
                                                                  window_bounds);
   gfx::Rect label_bounds(converted_bounds.x(),
                          converted_bounds.bottom(),
                          converted_bounds.width(),
                          0);
 
@@ skipping 41 matching lines @@
       settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds(
           ScopedTransformOverviewWindow::kTransitionMilliseconds));
       window_label_->GetNativeWindow()->SetBounds(label_bounds);
     } else {
       window_label_->GetNativeWindow()->SetBounds(label_bounds);
     }
   }
 }
 
 }  // namespace ash