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1 // Copyright 2016 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_CHROMEOS_LOGIN_UI_WEB_CONTENTS_SET_BACKGROUND_COLOR_H_ | |
6 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_WEB_CONTENTS_SET_BACKGROUND_COLOR_H_ | |
7 | |
8 #include "content/public/browser/web_contents_observer.h" | |
9 #include "content/public/browser/web_contents_user_data.h" | |
10 | |
11 // Defined in SkColor.h (32-bit ARGB color). | |
12 using SkColor = unsigned int; | |
13 | |
14 namespace chromeos { | |
15 | |
16 // Ensures that the background color of a given WebContents instance is always | |
17 // set to a given color value. | |
18 class WebContentsSetBackgroundColor | |
19 : public content::WebContentsObserver, | |
20 public content::WebContentsUserData<WebContentsSetBackgroundColor> { | |
21 public: | |
22 static void CreateForWebContentsWithColor(content::WebContents* web_contents, | |
23 SkColor color); | |
24 | |
25 ~WebContentsSetBackgroundColor() override; | |
26 | |
27 private: | |
28 WebContentsSetBackgroundColor(content::WebContents* web_contents, | |
29 SkColor color); | |
30 | |
31 // content::WebContentsObserver: | |
32 void RenderViewReady() override; | |
33 void RenderViewCreated(content::RenderViewHost* render_view_host) override; | |
34 void RenderViewHostChanged(content::RenderViewHost* old_host, | |
35 content::RenderViewHost* new_host) override; | |
36 | |
37 SkColor color_; | |
38 | |
39 DISALLOW_COPY_AND_ASSIGN(WebContentsSetBackgroundColor); | |
40 }; | |
41 | |
42 } // namespace chromeos | |
43 | |
44 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_UI_WEB_CONTENTS_SET_BACKGROUND_COLOR_H_ | |
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