chrome/browser/ui/webui/options/chromeos/user_image_source.h

   1 // Copyright (c) 2012 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_OPTIONS_CHROMEOS_USER_IMAGE_SOURCE_H_
   6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_USER_IMAGE_SOURCE_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/compiler_specific.h"
  13 #include "content/public/browser/url_data_source.h"
  14 #include "ui/base/layout.h"
  15
  16 namespace base {
  17 class RefCountedMemory;
  18 }
  19
  20 namespace chromeos {
  21 namespace options {
  22
  23 // UserImageSource is the data source that serves user images for users that
  24 // have it.
  25 class UserImageSource : public content::URLDataSource {
  26  public:
  27   UserImageSource();
  28
  29   // content::URLDataSource implementation.
  30   std::string GetSource() const override;
  31   void StartDataRequest(
  32       const std::string& path,
  33       int render_process_id,
  34       int render_frame_id,
  35       const content::URLDataSource::GotDataCallback& callback) override;
  36   std::string GetMimeType(const std::string& path) const override;
  37
  38   // Returns PNG encoded image for user with specified email. If there's
  39   // no user with such email, returns the first default image.
  40   static base::RefCountedMemory* GetUserImage(const std::string& email,
  41                                               ui::ScaleFactor scale_factor);
  42
  43  private:
  44   ~UserImageSource() override;
  45
  46   DISALLOW_COPY_AND_ASSIGN(UserImageSource);
  47 };
  48
  49 }  // namespace options
  50 }  // namespace chromeos
  51
  52 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_USER_IMAGE_SOURCE_H_