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 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_FRAME_MULTI_CONTENTS_RESIZE_AREA_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_MULTI_CONTENTS_RESIZE_AREA_H_
#include "base/memory/raw_ptr.h"
#include "ui/base/interaction/element_identifier.h"
#include "ui/views/controls/resize_area.h"
#include "ui/views/focus/focus_manager.h"
#include "ui/views/view.h"
class MultiContentsView;
// Keyboard-accessible drag handle icon intended to be drawn on top of a
// MultiContentsResizeArea.
class MultiContentsResizeHandle : public views::View,
public views::FocusChangeListener {
METADATA_HEADER(MultiContentsResizeHandle, views::View)
public:
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kMultiContentsResizeHandleElementId);
MultiContentsResizeHandle();
void UpdateVisibility(bool visible);
// views::View:
void AddedToWidget() override;
void RemovedFromWidget() override;
// FocusChangeListener:
void OnWillChangeFocus(views::View* before, views::View* now) override;
};
// ResizeArea meant to draw in between WebContents within a MultiContentsView,
// and responsiveness to key events via a focusable MultiContentsResizeHandle.
class MultiContentsResizeArea : public views::ResizeArea {
METADATA_HEADER(MultiContentsResizeArea, ResizeArea)
public:
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kMultiContentsResizeAreaElementId);
explicit MultiContentsResizeArea(MultiContentsView* multi_contents_view);
// views::ResizeArea:
void OnGestureEvent(ui::GestureEvent* event) override;
void OnMouseReleased(const ui::MouseEvent& event) override;
bool OnKeyPressed(const ui::KeyEvent& event) override;
void OnMouseMoved(const ui::MouseEvent& event) override;
void OnMouseExited(const ui::MouseEvent& event) override;
private:
raw_ptr<MultiContentsView> multi_contents_view_;
raw_ptr<MultiContentsResizeHandle> resize_handle_;
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_MULTI_CONTENTS_RESIZE_AREA_H_
|
