1 // Copyright 2019 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef CHROME_BROWSER_UI_ASH_ARC_CUSTOM_TAB_MODAL_DIALOG_HOST_H_
6 #define CHROME_BROWSER_UI_ASH_ARC_CUSTOM_TAB_MODAL_DIALOG_HOST_H_
7 
8 #include <memory>
9 
10 #include "base/macros.h"
11 #include "components/web_modal/web_contents_modal_dialog_host.h"
12 #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
13 #include "ui/gfx/native_widget_types.h"
14 
15 namespace arc {
16 class CustomTab;
17 }  // namespace arc
18 
19 namespace contents {
20 class WebContents;
21 }  // namespace contents
22 
23 namespace gfx {
24 class Point;
25 class Size;
26 }  // namespace gfx
27 
28 namespace web_modal {
29 class ModalDialogHostObserver;
30 }  // namespace web_modal
31 
32 // Implements a WebContentsModalDialogHost for an ARC Custom Tab. This allows a
33 // web contents modal dialog to be drawn in the ARC Custom Tab.
34 // The WebContents hosted by this object must outlive it.
35 class ArcCustomTabModalDialogHost
36     : public web_modal::WebContentsModalDialogHost,
37       public web_modal::WebContentsModalDialogManagerDelegate {
38  public:
39   ArcCustomTabModalDialogHost(std::unique_ptr<arc::CustomTab> custom_tab,
40                               content::WebContents* web_contents);
41   ~ArcCustomTabModalDialogHost() override = 0;
42 
43   // web_modal::WebContentsModalDialogManagerDelegate:
44   web_modal::WebContentsModalDialogHost* GetWebContentsModalDialogHost()
45       override;
46 
47   // web_modal::WebContentsModalDialogHost:
48   gfx::NativeView GetHostView() const override;
49   gfx::Point GetDialogPosition(const gfx::Size& size) override;
50   gfx::Size GetMaximumDialogSize() override;
51   void AddObserver(web_modal::ModalDialogHostObserver* observer) override;
52   void RemoveObserver(web_modal::ModalDialogHostObserver* observer) override;
53 
54  protected:
55   std::unique_ptr<arc::CustomTab> custom_tab_;
56   content::WebContents* web_contents_;
57 
58   DISALLOW_COPY_AND_ASSIGN(ArcCustomTabModalDialogHost);
59 };
60 
61 #endif  // CHROME_BROWSER_UI_ASH_ARC_CUSTOM_TAB_MODAL_DIALOG_HOST_H_
62