1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef ATHENA_HOME_ATHENA_START_PAGE_VIEW_H_ 6 #define ATHENA_HOME_ATHENA_START_PAGE_VIEW_H_ 7 8 #include "athena/athena_export.h" 9 #include "base/memory/weak_ptr.h" 10 #include "ui/app_list/views/search_box_view_delegate.h" 11 #include "ui/gfx/animation/tween.h" 12 #include "ui/views/view.h" 13 14 namespace app_list { 15 class AppListViewDelegate; 16 class SearchBoxView; 17 class SearchResultListView; 18 } 19 20 namespace athena { 21 22 class ATHENA_EXPORT AthenaStartPageView 23 : public views::View, 24 public app_list::SearchBoxViewDelegate { 25 public: 26 explicit AthenaStartPageView(app_list::AppListViewDelegate* delegate); 27 virtual ~AthenaStartPageView(); 28 29 // Requests the focus on the search box in the start page view. 30 void RequestFocusOnSearchBox(); 31 32 // Updates the layout state. See the comment of |layout_state_| field. 33 void SetLayoutState(float layout_state); 34 35 // Updates the layout state and move the subviews to the target location with 36 // animation. 37 void SetLayoutStateWithAnimation(float layout_state, 38 gfx::Tween::Type tween_type); 39 40 private: 41 friend class AthenaStartPageViewTest; 42 43 static const char kViewClassName[]; 44 45 // A struct which bundles the layout data of subviews. 46 struct LayoutData { 47 gfx::Rect search_box; 48 gfx::Rect icons; 49 gfx::Rect controls; 50 float system_info_opacity; 51 float logo_opacity; 52 float background_opacity; 53 54 LayoutData(); 55 }; 56 57 // Returns the bounds for |VISIBLE_BOTTOM|. 58 LayoutData CreateBottomBounds(int width); 59 60 // Returns the bounds for |VISIBLE_CENTERED|. 61 LayoutData CreateCenteredBounds(int width); 62 63 // Schedules the animation for the layout the search box and the search 64 // results. 65 void LayoutSearchResults(bool should_show_search_results); 66 67 // Called when the animation of search box / search results layout has 68 // completed. 69 void OnSearchResultLayoutAnimationCompleted(bool should_show_search_results); 70 71 // views::View: 72 virtual void Layout() OVERRIDE; 73 virtual bool OnKeyPressed(const ui::KeyEvent& key_event) OVERRIDE; 74 75 // app_list::SearchBoxViewDelegate: 76 virtual void QueryChanged(app_list::SearchBoxView* sender) OVERRIDE; 77 78 // Not owned. 79 app_list::AppListViewDelegate* delegate_; 80 81 // Views are owned through its hierarchy. 82 views::View* system_info_view_; 83 views::View* app_icon_container_; 84 views::View* search_box_container_; 85 views::View* control_icon_container_; 86 views::View* logo_; 87 app_list::SearchBoxView* search_box_view_; 88 app_list::SearchResultListView* search_results_view_; 89 90 // Do not use views::Background but a views::View with ui::Layer for gradient 91 // background opacity update and animation. 92 views::View* background_; 93 94 // The expected height of |search_results_view_| 95 int search_results_height_; 96 97 // The state to specify how each of the subviews should be laid out, in the 98 // range of [0, 1]. 0 means fully BOTTOM state, and 1 is fully CENTERED state. 99 float layout_state_; 100 101 base::WeakPtrFactory<AthenaStartPageView> weak_factory_; 102 103 DISALLOW_COPY_AND_ASSIGN(AthenaStartPageView); 104 }; 105 106 } // namespace athena 107 108 #endif // ATHENA_HOME_ATHENA_START_PAGE_VIEW_H_ 109