extensions/shell/browser/shell_content_browser_client.h

// Copyright 2014 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 EXTENSIONS_SHELL_BROWSER_SHELL_CONTENT_BROWSER_CLIENT_H_
#define EXTENSIONS_SHELL_BROWSER_SHELL_CONTENT_BROWSER_CLIENT_H_

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "content/public/browser/content_browser_client.h"

class GURL;

namespace base {
class CommandLine;
}

namespace content {
class BrowserContext;
}

namespace extensions {
class Extension;
class ShellBrowserMainDelegate;
class ShellBrowserMainParts;

// Content module browser process support for app_shell.
class ShellContentBrowserClient : public content::ContentBrowserClient {
 public:
  explicit ShellContentBrowserClient(
      ShellBrowserMainDelegate* browser_main_delegate);
  ~ShellContentBrowserClient() override;

  // Returns the single instance.
  static ShellContentBrowserClient* Get();

  // Returns the single browser context for app_shell.
  content::BrowserContext* GetBrowserContext();

  // content::ContentBrowserClient overrides.
  content::BrowserMainParts* CreateBrowserMainParts(
      const content::MainFunctionParams& parameters) override;
  void RenderProcessWillLaunch(content::RenderProcessHost* host) override;
  bool ShouldUseProcessPerSite(content::BrowserContext* browser_context,
                               const GURL& effective_url) override;
  // TODO(jamescook): Quota management?
  bool IsHandledURL(const GURL& url) override;
  void SiteInstanceGotProcess(content::SiteInstance* site_instance) override;
  void SiteInstanceDeleting(content::SiteInstance* site_instance) override;
  void AppendExtraCommandLineSwitches(base::CommandLine* command_line,
                                      int child_process_id) override;
  content::SpeechRecognitionManagerDelegate*
  CreateSpeechRecognitionManagerDelegate() override;
  content::BrowserPpapiHost* GetExternalBrowserPpapiHost(
      int plugin_process_id) override;
  void GetAdditionalAllowedSchemesForFileSystem(
      std::vector<std::string>* additional_schemes) override;
  content::DevToolsManagerDelegate* GetDevToolsManagerDelegate() override;
  ScopedVector<content::NavigationThrottle> CreateThrottlesForNavigation(
      content::NavigationHandle* navigation_handle) override;
  std::unique_ptr<content::NavigationUIData> GetNavigationUIData(
      content::NavigationHandle* navigation_handle) override;

 protected:
  // Subclasses may wish to provide their own ShellBrowserMainParts.
  virtual ShellBrowserMainParts* CreateShellBrowserMainParts(
      const content::MainFunctionParams& parameters,
      ShellBrowserMainDelegate* browser_main_delegate);

 private:
  // Appends command line switches for a renderer process.
  void AppendRendererSwitches(base::CommandLine* command_line);

  // Returns the extension or app associated with |site_instance| or NULL.
  const Extension* GetExtension(content::SiteInstance* site_instance);

  // Owned by content::BrowserMainLoop.
  ShellBrowserMainParts* browser_main_parts_;

  // Owned by ShellBrowserMainParts.
  ShellBrowserMainDelegate* browser_main_delegate_;

  DISALLOW_COPY_AND_ASSIGN(ShellContentBrowserClient);
};

}  // namespace extensions

#endif  // EXTENSIONS_SHELL_BROWSER_SHELL_CONTENT_BROWSER_CLIENT_H_