1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_APP_LIST_VIEWS_SEARCH_BOX_VIEW_DELEGATE_H_
#define ASH_APP_LIST_VIEWS_SEARCH_BOX_VIEW_DELEGATE_H_
#include <string>
namespace ui {
class KeyEvent;
} // namespace ui
namespace ash {
class SearchBoxViewBase;
class SearchBoxViewDelegate {
public:
// Invoked when query text in the search box changes, just before initiating
// search request for the query.
// `trimmed_query` - the search boxt textfiled contents with whitespace
// trimmed (which will generally match the query sent to search providers).
// `initiated_by_user` - whether the query changed as a result of user input
// (as opposed to the search box getting cleared).
virtual void QueryChanged(const std::u16string& trimmed_query,
bool initiated_by_user) = 0;
// Invoked when the back button has been pressed.
virtual void AssistantButtonPressed() = 0;
// Invoked when the close button has been pressed. Implementations should
// clear the search box, but may or may not want to take focus.
virtual void CloseButtonPressed() = 0;
// Invoked when search box active status has changed.
virtual void ActiveChanged(SearchBoxViewBase* sender) = 0;
// Invoked for key events on the search box itself (e.g. arrow keys when one
// of the buttons is focused).
virtual void OnSearchBoxKeyEvent(ui::KeyEvent* event) = 0;
// Handles the `key_event` if the focus is trying to move to the top of the
// search view. It could be the focus change moving down from the buttons in
// search box or moving up from the search results.
virtual bool HandleFocusMoveAboveSearchResults(
const ui::KeyEvent& key_event) = 0;
// Returns true if search results can be selected with the keyboard (e.g.
// search results exist and are visible to the user).
virtual bool CanSelectSearchResults() = 0;
protected:
virtual ~SearchBoxViewDelegate() = default;
};
} // namespace ash
#endif // ASH_APP_LIST_VIEWS_SEARCH_BOX_VIEW_DELEGATE_H_
|
