| // Copyright 2015 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_ANDROID_SERVICE_TAB_LAUNCHER_H_ |
| #define CHROME_BROWSER_ANDROID_SERVICE_TAB_LAUNCHER_H_ |
| |
| #include "base/android/jni_android.h" |
| #include "base/callback_forward.h" |
| #include "base/containers/id_map.h" |
| #include "base/macros.h" |
| #include "base/memory/singleton.h" |
| |
| namespace content { |
| class BrowserContext; |
| struct OpenURLParams; |
| class WebContents; |
| } |
| |
| // Launcher for creating new tabs on Android from a background service, where |
| // there may not necessarily be an Activity or a tab model at all. When the |
| // tab has been launched, the user of this class will be informed with the |
| // content::WebContents instance associated with the tab. |
| class ServiceTabLauncher { |
| using TabLaunchedCallback = base::Callback<void(content::WebContents*)>; |
| |
| public: |
| // Returns the singleton instance of the service tab launcher. |
| static ServiceTabLauncher* GetInstance(); |
| |
| // Launches a new tab when we're in a Service rather than in an Activity. |
| // |callback| will be invoked with the resulting content::WebContents* when |
| // the tab is avialable. This method must only be called from the UI thread. |
| void LaunchTab(content::BrowserContext* browser_context, |
| const content::OpenURLParams& params, |
| const TabLaunchedCallback& callback); |
| |
| // To be called when the tab for |request_id| has launched, with the |
| // associated |web_contents|. The WebContents must not yet have started |
| // the provisional load for the main frame of the navigation. |
| void OnTabLaunched(int request_id, content::WebContents* web_contents); |
| |
| private: |
| friend struct base::DefaultSingletonTraits<ServiceTabLauncher>; |
| |
| ServiceTabLauncher(); |
| ~ServiceTabLauncher(); |
| |
| base::IDMap<std::unique_ptr<TabLaunchedCallback>> tab_launched_callbacks_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ServiceTabLauncher); |
| }; |
| |
| #endif // CHROME_BROWSER_ANDROID_SERVICE_TAB_LAUNCHER_H_ |