blob: 148650958373d48956028da59af7b3fdf6e876a2 (
plain)
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
|
// Copyright (c) 2010 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 CHROME_BROWSER_VIEWS_DROPDOWN_BAR_VIEW_H_
#define CHROME_BROWSER_VIEWS_DROPDOWN_BAR_VIEW_H_
#pragma once
#include "views/view.h"
class DropdownBarHost;
////////////////////////////////////////////////////////////////////////////////
//
// The DropdownBarView is an abstract view to draw the UI controls of the
// DropdownBarHost.
//
////////////////////////////////////////////////////////////////////////////////
class DropdownBarView : public views::View {
public:
explicit DropdownBarView(DropdownBarHost* host)
: host_(host),
animation_offset_(0) {
}
virtual ~DropdownBarView() {}
// Claims focus for the text field and selects its contents.
virtual void SetFocusAndSelection(bool select_all) = 0;
// Updates the view to let it know where the host is clipping the
// dropdown widget (while animating the opening or closing of the widget).
void set_animation_offset(int offset) { animation_offset_ = offset; }
// Returns the offset used while animating.
int animation_offset() const { return animation_offset_; }
protected:
// Returns the DropdownBarHost that manages this view.
DropdownBarHost* host() const { return host_; }
private:
// The dropdown bar host that controls this view.
DropdownBarHost* host_;
// While animating, the host clips the widget and draws only the bottom
// part of it. The view needs to know the pixel offset at which we are drawing
// the widget so that we can draw the curved edges that attach to the toolbar
// in the right location.
int animation_offset_;
DISALLOW_COPY_AND_ASSIGN(DropdownBarView);
};
#endif // CHROME_BROWSER_VIEWS_DROPDOWN_BAR_VIEW_H_
|
