Home | History | Annotate | Download | only in android 
      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   virtual ~MediaResourceGetterImpl();
     44 
     45   // media::MediaResourceGetter implementation.
     46   // Must be called on the UI thread.
     47   virtual void GetAuthCredentials(
     48       const GURL& url,
     49       const GetAuthCredentialsCB& callback) OVERRIDE;
     50   virtual void GetCookies(
     51       const GURL& url,
     52       const GURL& first_party_for_cookies,
     53       const GetCookieCB& callback) OVERRIDE;
     54   virtual void GetPlatformPathFromURL(
     55       const GURL& url,
     56       const GetPlatformPathCB& callback) OVERRIDE;
     57   virtual void ExtractMediaMetadata(
     58       const std::string& url,
     59       const std::string& cookies,
     60       const std::string& user_agent,
     61       const ExtractMediaMetadataCB& callback) OVERRIDE;
     62   virtual void ExtractMediaMetadata(
     63       const int fd,
     64       const int64 offset,
     65       const int64 size,
     66       const ExtractMediaMetadataCB& callback) OVERRIDE;
     67 
     68   static bool RegisterMediaResourceGetter(JNIEnv* env);
     69 
     70  private:
     71   // Called when GetAuthCredentials() finishes.
     72   void GetAuthCredentialsCallback(
     73       const GetAuthCredentialsCB& callback,
     74       const net::AuthCredentials& credentials);
     75 
     76   // Called when GetCookies() finishes.
     77   void GetCookiesCallback(
     78       const GetCookieCB& callback, const std::string& cookies);
     79 
     80   // Called when GetPlatformPathFromFileSystemURL() finishes.
     81   void GetPlatformPathCallback(
     82       const GetPlatformPathCB& callback, const std::string& platform_path);
     83 
     84   // BrowserContext to retrieve URLRequestContext and ResourceContext.
     85   BrowserContext* browser_context_;
     86 
     87   // FileSystemContext to be used on FILE thread.
     88   storage::FileSystemContext* file_system_context_;
     89 
     90   // Render process id, used to check whether the process can access cookies.
     91   int render_process_id_;
     92 
     93   // Render frame id, used to check tab specific cookie policy.
     94   int render_frame_id_;
     95 
     96   // NOTE: Weak pointers must be invalidated before all other member variables.
     97   base::WeakPtrFactory<MediaResourceGetterImpl> weak_factory_;
     98 
     99   DISALLOW_COPY_AND_ASSIGN(MediaResourceGetterImpl);
    100 };
    101 
    102 }  // namespace content
    103 
    104 #endif  // CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_RESOURCE_GETTER_IMPL_H_
    105