Draggable peeking/fullscreen launcher with transparent background.

ui/app_list/views/search_box_view.h

 // 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.
 
 #ifndef UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_
 #define UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "ui/app_list/search_box_model_observer.h"
 #include "ui/app_list/speech_ui_model_observer.h"
+#include "ui/app_list/views/app_list_view.h"

[xiyuan, 2017/05/26 18:27:32]

ditto

[newcomer, 2017/05/26 23:20:22]

Done.

 #include "ui/gfx/shadow_value.h"
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/textfield/textfield_controller.h"
 #include "ui/views/view.h"
 
 namespace views {
 class Textfield;
 }  // namespace views
 
 namespace app_list {
@@ skipping 24 matching lines @@
                                       public SpeechUIModelObserver {
  public:
   SearchBoxView(SearchBoxViewDelegate* delegate,
                 AppListViewDelegate* view_delegate);
   ~SearchBoxView() override;
 
   void ModelChanged();
   bool HasSearch() const;
   void ClearSearch();
 
+  void SetAppListView(AppListView* app_list_view);
+
   // Sets the shadow border of the search box.
   void SetShadow(const gfx::ShadowValue& shadow);
 
   // Returns the bounds to use for the view (including the shadow) given the
   // desired bounds of the search box contents.
   gfx::Rect GetViewBoundsForSearchBoxContentsBounds(
       const gfx::Rect& rect) const;
 
   views::ImageButton* back_button();
   views::Textfield* search_box() { return search_box_; }
@@ skipping 45 matching lines @@
 
   SearchBoxViewDelegate* delegate_;  // Not owned.
   AppListViewDelegate* view_delegate_;  // Not owned.
   AppListModel* model_;  // Owned by the profile-keyed service.
 
   views::View* content_container_;     // Owned by views hierarchy.
   SearchBoxImageButton* back_button_;    // Owned by views hierarchy.
   SearchBoxImageButton* speech_button_;  // Owned by views hierarchy.
   views::Textfield* search_box_;  // Owned by views hierarchy.
   views::View* contents_view_;  // Owned by views hierarchy.
+  app_list::AppListView* app_list_view_;  //  Owned by views hierarchy.
+
+  bool is_fullscreen_enabled_;
 
   SearchBoxFocus focused_view_;  // Which element has TAB'd focus.
 
   DISALLOW_COPY_AND_ASSIGN(SearchBoxView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_