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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// Copyright 2019 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_ASSISTANT_UI_ASSISTANT_WEB_CONTAINER_VIEW_H_
#define ASH_ASSISTANT_UI_ASSISTANT_WEB_CONTAINER_VIEW_H_
#include "ash/public/cpp/ash_web_view.h"
#include "base/component_export.h"
#include "base/memory/raw_ptr.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/geometry/rounded_corners_f.h"
#include "ui/views/widget/widget_delegate.h"
namespace views {
class ClientView;
} // namespace views
namespace ash {
class AssistantWebViewDelegate;
// The container for hosting standalone WebContents in Assistant.
class COMPONENT_EXPORT(ASSISTANT_UI) AssistantWebContainerView
: public views::WidgetDelegateView,
public AshWebView::Observer {
METADATA_HEADER(AssistantWebContainerView, views::WidgetDelegateView)
public:
explicit AssistantWebContainerView(
AssistantWebViewDelegate* web_container_view_delegate);
AssistantWebContainerView(const AssistantWebContainerView&) = delete;
AssistantWebContainerView& operator=(const AssistantWebContainerView&) =
delete;
~AssistantWebContainerView() override;
AshWebView* web_view() {
return web_view_ptr_ ? web_view_ptr_.get() : web_view_.get();
}
// views::WidgetDelegateView:
gfx::Size CalculatePreferredSize(
const views::SizeBounds& available_size) const override;
void ChildPreferredSizeChanged(views::View* child) override;
views::ClientView* CreateClientView(views::Widget* widget) override;
void OnThemeChanged() override;
// AssistantWebView::Observer:
void DidStopLoading() override;
void DidSuppressNavigation(const GURL& url,
WindowOpenDisposition disposition,
bool from_user_gesture) override;
void DidChangeCanGoBack(bool can_go_back) override;
// Invoke to navigate back in the embedded WebContents' navigation stack. If
// backwards navigation is not possible, returns |false|. Otherwise |true| to
// indicate success.
bool GoBack();
// Invoke to open the specified |url|.
void OpenUrl(const GURL& url);
void SetBackgroundRadii(const gfx::RoundedCornersF& radii);
void SetCanGoBackForTesting(bool can_go_back);
private:
void InitLayout();
void RemoveContents();
void UpdateBackground();
const raw_ptr<AssistantWebViewDelegate> web_container_view_delegate_;
std::unique_ptr<AshWebView> web_view_;
raw_ptr<AshWebView, DanglingUntriaged> web_view_ptr_ = nullptr;
gfx::RoundedCornersF background_radii_;
};
} // namespace ash
#endif // ASH_ASSISTANT_UI_ASSISTANT_WEB_CONTAINER_VIEW_H_
|
