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   1 // Copyright 2016 Samsung Electronics. 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_RENDERER_HOST_PEPPER_MEDIA_PLAYER_PEPPER_MEDIA_PLAYER_HOST_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_MEDIA_PLAYER_PEPPER_MEDIA_PLAYER_HOST_H_
   7
   8 #include <string>
   9 #include <memory>
  10
  11 #include "base/callback.h"
  12 #include "base/files/file_path.h"
  13 #include "base/memory/weak_ptr.h"
  14 #include "cc/layers/video_layer.h"
  15 #include "content/browser/renderer_host/pepper/media_player/buffering_listener_private.h"
  16 #include "content/browser/renderer_host/pepper/media_player/drm_listener_private.h"
  17 #include "content/browser/renderer_host/pepper/media_player/media_events_listener_private.h"
  18 #include "content/browser/renderer_host/pepper/media_player/subtitle_listener_private.h"
  19 #include "media/blink/video_frame_compositor.h"
  20 #include "ppapi/c/pp_rect.h"
  21 #include "ppapi/c/samsung/pp_media_player_samsung.h"
  22 #include "ppapi/host/resource_host.h"
  23 #include "ui/gfx/geometry/size.h"
  24 #include "ui/gfx/geometry/rect.h"
  25 #include "url/gurl.h"
  26
  27 namespace base {
  28 class ScopedTempDir;
  29 }
  30
  31 namespace content {
  32
  33 class PepperMediaPlayerPrivate;
  34 class BrowserPpapiHost;
  35
  36 class PepperMediaPlayerHost : public ppapi::host::ResourceHost {
  37  public:
  38   class SubtitlesDownloader {
  39    public:
  40     static std::unique_ptr<SubtitlesDownloader> Create(
  41         const GURL& url,
  42         const base::Callback<base::ScopedTempDir*(void)>& temp_dir_callback,
  43         const base::Callback<void(int32_t, const base::FilePath&)>& callback);
  44
  45     SubtitlesDownloader(
  46         const base::Callback<void(int32_t, const base::FilePath&)>& callback);
  47     virtual ~SubtitlesDownloader();
  48
  49    protected:
  50     void PostDownloadCompleted(int32_t result, const base::FilePath& file_path);
  51
  52    private:
  53     static void DownloadCompleted(
  54         const base::Callback<void(int32_t, const base::FilePath&)>& callback,
  55         int32_t result,
  56         const base::FilePath& file_path);
  57
  58     base::Callback<void(int32_t, const base::FilePath&)> callback_;
  59
  60     DISALLOW_COPY_AND_ASSIGN(SubtitlesDownloader);
  61   };
  62
  63   PepperMediaPlayerHost(BrowserPpapiHost*,
  64                         PP_Instance,
  65                         PP_Resource,
  66                         PP_MediaPlayerMode);
  67   virtual ~PepperMediaPlayerHost();
  68
  69   bool IsMediaPlayerHost() override;
  70   void UpdatePluginView(const PP_Rect& plugin_rect, const PP_Rect& clip_rect);
  71
  72  protected:
  73   // ppapi::host::ResourceHost override.
  74   int32_t OnResourceMessageReceived(
  75       const IPC::Message& msg,
  76       ppapi::host::HostMessageContext* context) override;
  77
  78  private:
  79   PP_Rect GetViewportRect();
  80   bool UpdateVideoPosition(const base::Callback<void(int32_t)>& callback);
  81   int32_t OnSetMediaEventsListener(ppapi::host::HostMessageContext*,
  82                                    bool is_set);
  83   int32_t OnSetSubtitleListener(ppapi::host::HostMessageContext*, bool is_set);
  84   int32_t OnSetBufferingListener(ppapi::host::HostMessageContext*, bool is_set);
  85   int32_t OnSetDRMListener(ppapi::host::HostMessageContext*, bool is_set);
  86   int32_t OnAttachDataSource(ppapi::host::HostMessageContext*,
  87                              PP_Resource data_source);
  88   int32_t OnPlay(ppapi::host::HostMessageContext*);
  89   int32_t OnPause(ppapi::host::HostMessageContext*);
  90   int32_t OnStop(ppapi::host::HostMessageContext*);
  91   int32_t OnSeek(ppapi::host::HostMessageContext*, PP_TimeTicks);
  92   int32_t OnSetPlaybackRate(ppapi::host::HostMessageContext*, double);
  93   int32_t OnGetDuration(ppapi::host::HostMessageContext*);
  94   int32_t OnGetCurrentTime(ppapi::host::HostMessageContext*);
  95   int32_t OnGetPlayerState(ppapi::host::HostMessageContext*);
  96   int32_t OnGetCurrentVideoTrackInfo(ppapi::host::HostMessageContext*);
  97   int32_t OnGetVideoTracksList(ppapi::host::HostMessageContext*);
  98   int32_t OnGetCurrentAudioTrackInfo(ppapi::host::HostMessageContext*);
  99   int32_t OnGetAudioTracksList(ppapi::host::HostMessageContext*);
 100   int32_t OnGetCurrentTextTrackInfo(ppapi::host::HostMessageContext*);
 101   int32_t OnGetTextTracksList(ppapi::host::HostMessageContext*);
 102   int32_t OnSelectTrack(ppapi::host::HostMessageContext*,
 103                         PP_ElementaryStream_Type_Samsung,
 104                         uint32_t trackIndex);
 105   int32_t OnAddExternalSubtitles(ppapi::host::HostMessageContext*,
 106                                  const std::string& url,
 107                                  const std::string& encoding);
 108   int32_t OnSetSubtitlesDelay(ppapi::host::HostMessageContext*, PP_TimeDelta);
 109   int32_t OnSetDisplayRect(ppapi::host::HostMessageContext*, const PP_Rect&);
 110   int32_t OnSetDRMSpecificData(ppapi::host::HostMessageContext*,
 111                                PP_MediaPlayerDRMType,
 112                                PP_MediaPlayerDRMOperation,
 113                                const std::string& data);
 114
 115   void OnSubtitlesDownloaded(ppapi::host::ReplyMessageContext reply_context,
 116                              const std::string& encoding,
 117                              int32_t download_result,
 118                              const base::FilePath& path);
 119
 120   base::ScopedTempDir* GetTempDir();
 121
 122   std::unique_ptr<SubtitlesDownloader> downloader_;
 123   std::unique_ptr<base::ScopedTempDir> temp_dir_;
 124
 125   // plugin_rect_ is plugin rect relative to the page. When scrolled
 126   // out of screen plugin_rect_ x and y may go negative.
 127   PP_Rect plugin_rect_;
 128   // video_position_ is rect of media player video relative to the plugin_rect_
 129   PP_Rect video_position_;
 130   // clip_rect is visible part of plugin relative to the plugin_rect_
 131   PP_Rect clip_rect_;
 132
 133   BrowserPpapiHost* browser_ppapi_host_;
 134   scoped_refptr<PepperMediaPlayerPrivate> private_;
 135   base::WeakPtrFactory<PepperMediaPlayerHost> factory_;
 136
 137   DISALLOW_COPY_AND_ASSIGN(PepperMediaPlayerHost);
 138 };
 139
 140 }  // namespace content
 141
 142 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_MEDIA_PLAYER_PEPPER_MEDIA_PLAYER_HOST_H_