chrome/browser/ui/webui/chromeos/login/screenlock_icon_source.h

   1 // Copyright 2013 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_WEBUI_CHROMEOS_LOGIN_SCREENLOCK_ICON_SOURCE_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SCREENLOCK_ICON_SOURCE_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "content/public/browser/url_data_source.h"
  10
  11 namespace chromeos {
  12
  13 class ScreenlockIconProvider;
  14
  15 // A URL data source that serves icon images for the screenlockPrivate API.
  16 class ScreenlockIconSource : public content::URLDataSource {
  17  public:
  18   explicit ScreenlockIconSource(
  19       base::WeakPtr<ScreenlockIconProvider> icon_provider);
  20
  21   // content::URLDataSource implementation.
  22   std::string GetSource() const override;
  23   void StartDataRequest(
  24       const std::string& path,
  25       int render_process_id,
  26       int render_frame_id,
  27       const content::URLDataSource::GotDataCallback& callback) override;
  28
  29   std::string GetMimeType(const std::string& path) const override;
  30
  31   // Constructs and returns the icon URL for a given user.
  32   static std::string GetIconURLForUser(const std::string& username);
  33
  34  private:
  35   ~ScreenlockIconSource() override;
  36
  37   base::WeakPtr<ScreenlockIconProvider> icon_provider_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(ScreenlockIconSource);
  40 };
  41
  42 }  // namespace chromeos
  43
  44 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SCREENLOCK_ICON_SOURCE_H_