Upstream version 9.38.198.0

[platform/framework/web/crosswalk.git] / src / content / renderer / media / webcontentdecryptionmodulesession_impl.h

diff --git a/src/content/renderer/media/webcontentdecryptionmodulesession_impl.h b/src/content/renderer/media/webcontentdecryptionmodulesession_impl.h
index df76f08..05a358b 100644 (file)
--- a/src/content/renderer/media/webcontentdecryptionmodulesession_impl.h
+++ b/src/content/renderer/media/webcontentdecryptionmodulesession_impl.h
@@ -5,11 +5,14 @@
 #ifndef CONTENT_RENDERER_MEDIA_WEBCONTENTDECRYPTIONMODULESESSION_IMPL_H_
 #define CONTENT_RENDERER_MEDIA_WEBCONTENTDECRYPTIONMODULESESSION_IMPL_H_
 
+#include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
 #include "media/base/media_keys.h"
 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleSession.h"
 #include "third_party/WebKit/public/platform/WebString.h"
@@ -19,42 +22,87 @@ class MediaKeys;
 }
 
 namespace content {
+class CdmSessionAdapter;
 
 class WebContentDecryptionModuleSessionImpl
-    : public WebKit::WebContentDecryptionModuleSession {
+    : public blink::WebContentDecryptionModuleSession {
  public:
-  typedef base::Callback<void(const std::string& session_id)> SessionClosedCB;
-
   WebContentDecryptionModuleSessionImpl(
-      media::MediaKeys* media_keys,
-      Client* client,
-      const SessionClosedCB& session_closed_cb);
+      const scoped_refptr<CdmSessionAdapter>& adapter);
   virtual ~WebContentDecryptionModuleSessionImpl();
 
-  // WebKit::WebContentDecryptionModuleSession implementation.
-  virtual WebKit::WebString sessionId() const OVERRIDE;
-  virtual void generateKeyRequest(const WebKit::WebString& mime_type,
-                                  const uint8* init_data,
-                                  size_t init_data_length) OVERRIDE;
-  virtual void update(const uint8* key, size_t key_length) OVERRIDE;
-  virtual void close() OVERRIDE;
-
-  const std::string& session_id() const { return session_id_; }
+  // blink::WebContentDecryptionModuleSession implementation.
+  virtual void setClientInterface(Client* client);
+  virtual blink::WebString sessionId() const;
+  // TODO(jrummell): Remove the next 3 methods once blink updated.
+  virtual void initializeNewSession(const blink::WebString& mime_type,
+                                    const uint8* init_data,
+                                    size_t init_data_length);
+  virtual void update(const uint8* response, size_t response_length);
+  virtual void release();
+  virtual void initializeNewSession(
+      const blink::WebString& init_data_type,
+      const uint8* init_data,
+      size_t init_data_length,
+      const blink::WebString& session_type,
+      blink::WebContentDecryptionModuleResult result);
+  virtual void update(const uint8* response,
+                      size_t response_length,
+                      blink::WebContentDecryptionModuleResult result);
+  virtual void release(blink::WebContentDecryptionModuleResult result);
 
   // Callbacks.
-  void KeyAdded();
-  void KeyError(media::MediaKeys::KeyError error_code, int system_code);
-  void KeyMessage(const std::vector<uint8>& message,
-                  const std::string& destination_url);
+  void OnSessionMessage(const std::vector<uint8>& message,
+                        const GURL& destination_url);
+  void OnSessionReady();
+  void OnSessionClosed();
+  void OnSessionError(media::MediaKeys::Exception exception_code,
+                      uint32 system_code,
+                      const std::string& error_message);
 
  private:
-  // Non-owned pointers.
-  media::MediaKeys* media_keys_;
+  typedef std::map<uint32, blink::WebContentDecryptionModuleResult> ResultMap;
+
+  // These function are used as callbacks when CdmPromise resolves/rejects.
+  // |result_index| = kReservedIndex means that there is no
+  // WebContentDecryptionModuleResult.
+  void SessionCreated(uint32 result_index, const std::string& web_session_id);
+  void SessionUpdatedOrReleased(uint32 result_index);
+  void SessionError(uint32 result_index,
+                    media::MediaKeys::Exception exception_code,
+                    uint32 system_code,
+                    const std::string& error_message);
+
+  // As initializeNewSession(), update(), and release() get passed a
+  // WebContentDecryptionModuleResult, keep track of them since this class owns
+  // it and needs to keep them around until completed. Returns the index used
+  // to locate the WebContentDecryptionModuleResult when the operation is
+  // complete.
+  uint32 AddResult(blink::WebContentDecryptionModuleResult result);
+
+  scoped_refptr<CdmSessionAdapter> adapter_;
+
+  // Non-owned pointer.
   Client* client_;
 
-  SessionClosedCB session_closed_cb_;
+  // Web session ID is the app visible ID for this session generated by the CDM.
+  // This value is not set until the CDM resolves the initializeNewSession()
+  // promise.
+  std::string web_session_id_;
+
+  // Don't pass more than 1 close() event to blink::
+  // TODO(jrummell): Remove this once blink tests handle close() promise and
+  // closed() event.
+  bool is_closed_;
+
+  // Keep track of all the outstanding WebContentDecryptionModuleResult objects.
+  uint32 next_available_result_index_;
+  ResultMap outstanding_results_;
 
-  std::string session_id_;
+  // Since promises will live until they are fired, use a weak reference when
+  // creating a promise in case this class disappears before the promise
+  // actually fires.
+  base::WeakPtrFactory<WebContentDecryptionModuleSessionImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentDecryptionModuleSessionImpl);
 };