| // Copyright 2018 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_BROWSER_SWITCHER_ALTERNATIVE_BROWSER_LAUNCHER_H_ |
| #define CHROME_BROWSER_BROWSER_SWITCHER_ALTERNATIVE_BROWSER_LAUNCHER_H_ |
| |
| #include "base/macros.h" |
| |
| #include "chrome/browser/browser_switcher/alternative_browser_driver.h" |
| #include "components/prefs/pref_change_registrar.h" |
| #include "content/public/browser/web_contents_observer.h" |
| |
| class PrefService; |
| class GURL; |
| |
| namespace browser_switcher { |
| |
| // Interface for launching an alternative browser. |
| class AlternativeBrowserLauncher { |
| public: |
| virtual ~AlternativeBrowserLauncher(); |
| |
| // Opens |url| in an alternative browser. Returns true on success, false on |
| // error. |
| virtual bool Launch(const GURL& url) const = 0; |
| }; |
| |
| // Used to launch an appropriate alternative browser based on policy/pref |
| // values. |
| // |
| // Delegates I/O operations to an |AlternativeBrowserDriver|. |
| class AlternativeBrowserLauncherImpl : public AlternativeBrowserLauncher { |
| public: |
| explicit AlternativeBrowserLauncherImpl(PrefService* prefs); |
| AlternativeBrowserLauncherImpl( |
| PrefService* prefs, |
| std::unique_ptr<AlternativeBrowserDriver> driver); |
| ~AlternativeBrowserLauncherImpl() override; |
| |
| // AlternativeBrowserLauncher |
| bool Launch(const GURL& url) const override; |
| |
| private: |
| void OnAltBrowserPathChanged(); |
| void OnAltBrowserParametersChanged(); |
| |
| PrefService* const prefs_; |
| PrefChangeRegistrar change_registrar_; |
| |
| const std::unique_ptr<AlternativeBrowserDriver> driver_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AlternativeBrowserLauncherImpl); |
| }; |
| |
| } // namespace browser_switcher |
| |
| #endif // CHROME_BROWSER_BROWSER_SWITCHER_ALTERNATIVE_BROWSER_LAUNCHER_H_ |