content/browser/media/android/media_resource_getter_impl.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 CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_RESOURCE_GETTER_IMPL_H_
   6 #define CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_RESOURCE_GETTER_IMPL_H_
   7
   8 #include <jni.h>
   9 #include <string>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "base/synchronization/waitable_event.h"
  14 #include "media/base/android/media_resource_getter.h"
  15 #include "media/base/android/media_url_interceptor.h"
  16 #include "net/base/auth.h"
  17 #include "net/cookies/canonical_cookie.h"
  18
  19 namespace storage {
  20 class FileSystemContext;
  21 }
  22
  23 namespace net {
  24 class URLRequestContextGetter;
  25 }
  26
  27 namespace content {
  28
  29 class BrowserContext;
  30 class ResourceContext;
  31
  32 // This class implements media::MediaResourceGetter to retrieve resources
  33 // asynchronously on the UI thread.
  34 class MediaResourceGetterImpl : public media::MediaResourceGetter {
  35  public:
  36   // Construct a MediaResourceGetterImpl object. |browser_context| and
  37   // |render_process_id| are passed to retrieve the CookieStore.
  38   // |file_system_context| are used to get the platform path.
  39   MediaResourceGetterImpl(BrowserContext* browser_context,
  40                           storage::FileSystemContext* file_system_context,
  41                           int render_process_id,
  42                           int render_frame_id);
  43   ~MediaResourceGetterImpl() override;
  44
  45   // media::MediaResourceGetter implementation.
  46   // Must be called on the UI thread.
  47   void GetAuthCredentials(const GURL& url,
  48                           const GetAuthCredentialsCB& callback) override;
  49   void GetCookies(const GURL& url,
  50                   const GURL& first_party_for_cookies,
  51                   const GetCookieCB& callback) override;
  52   void GetPlatformPathFromURL(const GURL& url,
  53                               const GetPlatformPathCB& callback) override;
  54   void ExtractMediaMetadata(const std::string& url,
  55                             const std::string& cookies,
  56                             const std::string& user_agent,
  57                             const ExtractMediaMetadataCB& callback) override;
  58   void ExtractMediaMetadata(const int fd,
  59                             const int64 offset,
  60                             const int64 size,
  61                             const ExtractMediaMetadataCB& callback) override;
  62
  63   static bool RegisterMediaResourceGetter(JNIEnv* env);
  64
  65  private:
  66   // Called when GetAuthCredentials() finishes.
  67   void GetAuthCredentialsCallback(
  68       const GetAuthCredentialsCB& callback,
  69       const net::AuthCredentials& credentials);
  70
  71   // Called when GetCookies() finishes.
  72   void GetCookiesCallback(
  73       const GetCookieCB& callback, const std::string& cookies);
  74
  75   // Called when GetPlatformPathFromFileSystemURL() finishes.
  76   void GetPlatformPathCallback(
  77       const GetPlatformPathCB& callback, const std::string& platform_path);
  78
  79   // BrowserContext to retrieve URLRequestContext and ResourceContext.
  80   BrowserContext* browser_context_;
  81
  82   // FileSystemContext to be used on FILE thread.
  83   storage::FileSystemContext* file_system_context_;
  84
  85   // Render process id, used to check whether the process can access cookies.
  86   int render_process_id_;
  87
  88   // Render frame id, used to check tab specific cookie policy.
  89   int render_frame_id_;
  90
  91   // NOTE: Weak pointers must be invalidated before all other member variables.
  92   base::WeakPtrFactory<MediaResourceGetterImpl> weak_factory_;
  93
  94   DISALLOW_COPY_AND_ASSIGN(MediaResourceGetterImpl);
  95 };
  96
  97 }  // namespace content
  98
  99 #endif  // CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_RESOURCE_GETTER_IMPL_H_