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Side by Side Diff: chrome/browser/ui/views/new_task_manager_view.h

Issue 1367673003: Expose all reusable task manager view code so it can be used by Mac (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 2 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_UI_VIEWS_NEW_TASK_MANAGER_VIEW_H_ 5 #ifndef CHROME_BROWSER_UI_VIEWS_NEW_TASK_MANAGER_VIEW_H_
6 #define CHROME_BROWSER_UI_VIEWS_NEW_TASK_MANAGER_VIEW_H_ 6 #define CHROME_BROWSER_UI_VIEWS_NEW_TASK_MANAGER_VIEW_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "chrome/browser/ui/host_desktop.h" 10 #include "chrome/browser/ui/host_desktop.h"
11 #include "chrome/browser/ui/task_manager/task_manager_table_model.h"
11 #include "ui/base/models/simple_menu_model.h" 12 #include "ui/base/models/simple_menu_model.h"
12 #include "ui/base/models/table_model.h" 13 #include "ui/base/models/table_model.h"
13 #include "ui/views/context_menu_controller.h" 14 #include "ui/views/context_menu_controller.h"
14 #include "ui/views/controls/button/label_button.h" 15 #include "ui/views/controls/button/label_button.h"
15 #include "ui/views/controls/link_listener.h" 16 #include "ui/views/controls/link_listener.h"
16 #include "ui/views/controls/menu/menu_runner.h" 17 #include "ui/views/controls/menu/menu_runner.h"
18 #include "ui/views/controls/table/table_grouper.h"
17 #include "ui/views/controls/table/table_view_observer.h" 19 #include "ui/views/controls/table/table_view_observer.h"
18 #include "ui/views/window/dialog_delegate.h" 20 #include "ui/views/window/dialog_delegate.h"
19 21
20 namespace views { 22 namespace views {
21 class LabelButton; 23 class LabelButton;
22 class Link; 24 class Link;
23 class TableView; 25 class TableView;
24 class View; 26 class View;
25 } // namespace views 27 } // namespace views
26 28
27 namespace task_management { 29 namespace task_management {
28 30
29 // A collection of data to be used in the construction of a task manager table 31 class TaskManagerTableModel;
30 // column.
31 struct TableColumnData {
32 // The generated ID of the column. These can change from one build to another.
33 // Their values are controlled by the generation from generated_resources.grd.
34 int id;
35
36 // The alignment of the text displayed in this column.
37 ui::TableColumn::Alignment align;
38
39 // |width| and |percent| used to define the size of the column. See
40 // ui::TableColumn::width and ui::TableColumn::percent for details.
41 int width;
42 float percent;
43
44 // Is the column sortable.
45 bool sortable;
46
47 // Is the initial sort order ascending?
48 bool initial_sort_is_ascending;
49
50 // The default visibility of this column at startup of the table if no
51 // visibility is stored for it in the prefs.
52 bool default_visibility;
53 };
54
55 // The task manager table columns and their properties.
56 extern const TableColumnData kColumns[];
57 extern const size_t kColumnsSize;
58
59 // Session Restore Keys.
60 extern const char kSortColumnIdKey[];
61 extern const char kSortIsAscendingKey[];
62
63 // Returns the |column_id| as a string value to be used as keys in the user
64 // preferences.
65 std::string GetColumnIdAsString(int column_id);
66 32
67 // The new task manager UI container. 33 // The new task manager UI container.
68 class NewTaskManagerView 34 class NewTaskManagerView
69 : public views::ButtonListener, 35 : public TableViewDelegate,
36 public views::ButtonListener,
70 public views::DialogDelegateView, 37 public views::DialogDelegateView,
38 public views::TableGrouper,
71 public views::TableViewObserver, 39 public views::TableViewObserver,
72 public views::LinkListener, 40 public views::LinkListener,
73 public views::ContextMenuController, 41 public views::ContextMenuController,
74 public ui::SimpleMenuModel::Delegate { 42 public ui::SimpleMenuModel::Delegate {
75 public: 43 public:
76 ~NewTaskManagerView() override; 44 ~NewTaskManagerView() override;
77 45
78 // Shows the Task Manager window, or re-activates an existing one. 46 // Shows the Task Manager window, or re-activates an existing one.
79 static void Show(Browser* browser); 47 static void Show(Browser* browser);
80 48
81 // Hides the Task Manager if it is showing. 49 // Hides the Task Manager if it is showing.
82 static void Hide(); 50 static void Hide();
83 51
52 // task_management::TableViewDelegate:
53 bool IsColumnVisible(int column_id) const override;
54 void SetColumnVisibility(int column_id, bool new_visibility) override;
55 bool IsTableSorted() const override;
56 TableSortDescriptor GetSortDescriptor() const override;
57 void ToggleSortOrder(int visible_column_index) override;
58
84 // views::View: 59 // views::View:
85 void Layout() override; 60 void Layout() override;
86 gfx::Size GetPreferredSize() const override; 61 gfx::Size GetPreferredSize() const override;
87 bool AcceleratorPressed(const ui::Accelerator& accelerator) override; 62 bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
88 void ViewHierarchyChanged( 63 void ViewHierarchyChanged(
89 const ViewHierarchyChangedDetails& details) override; 64 const ViewHierarchyChangedDetails& details) override;
90 65
91 // views::ButtonListener: 66 // views::ButtonListener:
92 void ButtonPressed(views::Button* sender, const ui::Event& event) override; 67 void ButtonPressed(views::Button* sender, const ui::Event& event) override;
93 68
94 // views::DialogDelegateView: 69 // views::DialogDelegateView:
95 bool CanResize() const override; 70 bool CanResize() const override;
96 bool CanMaximize() const override; 71 bool CanMaximize() const override;
97 bool CanMinimize() const override; 72 bool CanMinimize() const override;
98 bool ExecuteWindowsCommand(int command_id) override; 73 bool ExecuteWindowsCommand(int command_id) override;
99 base::string16 GetWindowTitle() const override; 74 base::string16 GetWindowTitle() const override;
100 std::string GetWindowName() const override; 75 std::string GetWindowName() const override;
101 int GetDialogButtons() const override; 76 int GetDialogButtons() const override;
102 void WindowClosing() override; 77 void WindowClosing() override;
103 bool UseNewStyleForThisDialog() const override; 78 bool UseNewStyleForThisDialog() const override;
104 79
80 // views::TableGrouper:
81 void GetGroupRange(int model_index, views::GroupRange* range) override;
82
105 // views::TableViewObserver: 83 // views::TableViewObserver:
106 void OnSelectionChanged() override; 84 void OnSelectionChanged() override;
107 void OnDoubleClick() override; 85 void OnDoubleClick() override;
108 void OnKeyDown(ui::KeyboardCode keycode) override; 86 void OnKeyDown(ui::KeyboardCode keycode) override;
109 87
110 // views::LinkListener: 88 // views::LinkListener:
111 void LinkClicked(views::Link* source, int event_flags) override; 89 void LinkClicked(views::Link* source, int event_flags) override;
112 90
113 // views::ContextMenuController: 91 // views::ContextMenuController:
114 void ShowContextMenuForView(views::View* source, 92 void ShowContextMenuForView(views::View* source,
115 const gfx::Point& point, 93 const gfx::Point& point,
116 ui::MenuSourceType source_type) override; 94 ui::MenuSourceType source_type) override;
117 95
118 // ui::SimpleMenuModel::Delegate: 96 // ui::SimpleMenuModel::Delegate:
119 bool IsCommandIdChecked(int id) const override; 97 bool IsCommandIdChecked(int id) const override;
120 bool IsCommandIdEnabled(int id) const override; 98 bool IsCommandIdEnabled(int id) const override;
121 bool GetAcceleratorForCommandId(int command_id, 99 bool GetAcceleratorForCommandId(int command_id,
122 ui::Accelerator* accelerator) override; 100 ui::Accelerator* accelerator) override;
123 void ExecuteCommand(int id, int event_flags) override; 101 void ExecuteCommand(int id, int event_flags) override;
124 102
125 private: 103 private:
126 friend class NewTaskManagerViewTest; 104 friend class NewTaskManagerViewTest;
127 class TableModel;
128 105
129 explicit NewTaskManagerView(chrome::HostDesktopType desktop_type); 106 explicit NewTaskManagerView(chrome::HostDesktopType desktop_type);
130 107
131 static NewTaskManagerView* GetInstanceForTests(); 108 static NewTaskManagerView* GetInstanceForTests();
132 109
133 // Creates the child controls. 110 // Creates the child controls.
134 void Init(); 111 void Init();
135 112
136 // Initializes the state of the always-on-top setting as the window is shown. 113 // Initializes the state of the always-on-top setting as the window is shown.
137 void InitAlwaysOnTopState(); 114 void InitAlwaysOnTopState();
138 115
139 // Activates the tab associated with the focused row. 116 // Activates the tab associated with the focused row.
140 void ActivateFocusedTab(); 117 void ActivateFocusedTab();
141 118
142 // Restores saved "always on top" state from a previous session. 119 // Restores saved "always on top" state from a previous session.
143 void RetriveSavedAlwaysOnTopState(); 120 void RetriveSavedAlwaysOnTopState();
144 121
145 // Restores the saved columns settings from a previous session into 122 scoped_ptr<TaskManagerTableModel> table_model_;
146 // |columns_settings_| and updates the table view.
147 void RetrieveSavedColumnsSettingsAndUpdateTable();
148
149 // Stores the current values in |column_settings_| to the user prefs so that
150 // it can be restored later next time the task manager view is opened.
151 void StoreColumnsSettings();
152
153 void ToggleColumnVisibility(int column_id);
154
155 scoped_ptr<NewTaskManagerView::TableModel> table_model_;
156 123
157 scoped_ptr<views::MenuRunner> menu_runner_; 124 scoped_ptr<views::MenuRunner> menu_runner_;
158 125
159 // Contains either the column settings retrieved from user preferences if it
160 // exists, or the default column settings.
161 // The columns settings are the visible columns and the last sorted column
162 // and the direction of the sort.
163 scoped_ptr<base::DictionaryValue> columns_settings_;
164
165 // We need to own the text of the menu, the Windows API does not copy it. 126 // We need to own the text of the menu, the Windows API does not copy it.
166 base::string16 always_on_top_menu_text_; 127 base::string16 always_on_top_menu_text_;
167 128
168 views::LabelButton* kill_button_; 129 views::LabelButton* kill_button_;
169 views::Link* about_memory_link_; 130 views::Link* about_memory_link_;
170 views::TableView* tab_table_; 131 views::TableView* tab_table_;
171 views::View* tab_table_parent_; 132 views::View* tab_table_parent_;
172 133
173 // all possible columns, not necessarily visible 134 // all possible columns, not necessarily visible
174 std::vector<ui::TableColumn> columns_; 135 std::vector<ui::TableColumn> columns_;
175 136
176 // The host desktop type this task manager belongs to. 137 // The host desktop type this task manager belongs to.
177 const chrome::HostDesktopType desktop_type_; 138 const chrome::HostDesktopType desktop_type_;
178 139
179 // True when the Task Manager window should be shown on top of other windows. 140 // True when the Task Manager window should be shown on top of other windows.
180 bool is_always_on_top_; 141 bool is_always_on_top_;
181 142
182 DISALLOW_COPY_AND_ASSIGN(NewTaskManagerView); 143 DISALLOW_COPY_AND_ASSIGN(NewTaskManagerView);
183 }; 144 };
184 145
185 } // namespace task_management 146 } // namespace task_management
186 147
187 #endif // CHROME_BROWSER_UI_VIEWS_NEW_TASK_MANAGER_VIEW_H_ 148 #endif // CHROME_BROWSER_UI_VIEWS_NEW_TASK_MANAGER_VIEW_H_
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