Moving media-related files from webkit/glue/ to webkit/media/.

webkit/glue/media/simple_data_source.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// An extremely simple implementation of DataSource that downloads the entire
-// media resource into memory before signaling that initialization has finished.
-// Primarily used to test <audio> and <video> with buffering/caching removed
-// from the equation.
-
-#ifndef WEBKIT_GLUE_MEDIA_SIMPLE_DATA_SOURCE_H_
-#define WEBKIT_GLUE_MEDIA_SIMPLE_DATA_SOURCE_H_
-
-#include <algorithm>
-#include <string>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop.h"
-#include "media/base/filter_factories.h"
-#include "media/base/filters.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebURLLoader.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebURLLoaderClient.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h"
-#include "webkit/glue/media/web_data_source.h"
-
-class MessageLoop;
-class WebMediaPlayerDelegateImpl;
-
-namespace media {
-class MediaLog;
-}
-
-namespace webkit_glue {
-
-class SimpleDataSource
-    : public WebDataSource,
-      public WebKit::WebURLLoaderClient {
- public:
-  // Creates a DataSourceFactory for building SimpleDataSource objects.
-  static media::DataSourceFactory* CreateFactory(
-      MessageLoop* render_loop,
-      WebKit::WebFrame* frame,
-      media::MediaLog* media_log,
-      const WebDataSourceBuildObserverHack& build_observer);
-
-  SimpleDataSource(MessageLoop* render_loop, WebKit::WebFrame* frame);
-  virtual ~SimpleDataSource();
-
-  // media::Filter implementation.
-  virtual void set_host(media::FilterHost* host);
-  virtual void Stop(const base::Closure& callback);
-
-  // media::DataSource implementation.
-  virtual void Read(int64 position, size_t size,
-                    uint8* data, const DataSource::ReadCallback& read_callback);
-  virtual bool GetSize(int64* size_out);
-  virtual bool IsStreaming();
-  virtual void SetPreload(media::Preload preload);
-  virtual void SetBitrate(int bitrate);
-
-  // Used to inject a mock used for unittests.
-  virtual void SetURLLoaderForTest(WebKit::WebURLLoader* mock_loader);
-
-  // WebKit::WebURLLoaderClient implementations.
-  virtual void willSendRequest(
-      WebKit::WebURLLoader* loader,
-      WebKit::WebURLRequest& newRequest,
-      const WebKit::WebURLResponse& redirectResponse);
-  virtual void didSendData(
-      WebKit::WebURLLoader* loader,
-      unsigned long long bytesSent,
-      unsigned long long totalBytesToBeSent);
-  virtual void didReceiveResponse(
-      WebKit::WebURLLoader* loader,
-      const WebKit::WebURLResponse& response);
-  virtual void didDownloadData(
-      WebKit::WebURLLoader* loader,
-      int dataLength);
-  virtual void didReceiveData(
-      WebKit::WebURLLoader* loader,
-      const char* data,
-      int dataLength,
-      int encodedDataLength);
-  virtual void didReceiveCachedMetadata(
-      WebKit::WebURLLoader* loader,
-      const char* data, int dataLength);
-  virtual void didFinishLoading(
-      WebKit::WebURLLoader* loader,
-      double finishTime);
-  virtual void didFail(
-      WebKit::WebURLLoader* loader,
-      const WebKit::WebURLError&);
-
-  // webkit_glue::WebDataSource implementation.
-  virtual void Initialize(const std::string& url,
-                          const media::PipelineStatusCB& callback);
-  virtual void CancelInitialize();
-  virtual bool HasSingleOrigin();
-  virtual void Abort();
-
- private:
-  // Creates and starts the resource loading on the render thread.
-  void StartTask();
-
-  // Cancels and deletes the resource loading on the render thread.
-  void CancelTask();
-
-  // Perform initialization completion tasks under a lock.
-  void DoneInitialization_Locked(bool success);
-
-  // Update host() stats like total bytes & buffered bytes.
-  void UpdateHostState();
-
-  // Primarily used for asserting the bridge is loading on the render thread.
-  MessageLoop* render_loop_;
-
-  // A webframe for loading.
-  WebKit::WebFrame* frame_;
-
-  // Does the work of loading and sends data back to this client.
-  scoped_ptr<WebKit::WebURLLoader> url_loader_;
-
-  GURL url_;
-  std::string data_;
-  int64 size_;
-  bool single_origin_;
-
-  // Simple state tracking variable.
-  enum State {
-    UNINITIALIZED,
-    INITIALIZING,
-    INITIALIZED,
-    STOPPED,
-  };
-  State state_;
-
-  // Used for accessing |state_|.
-  base::Lock lock_;
-
-  // Filter callbacks.
-  media::PipelineStatusCB initialize_cb_;
-
-  // Used to ensure mocks for unittests are used instead of reset in Start().
-  bool keep_test_loader_;
-
-  DISALLOW_COPY_AND_ASSIGN(SimpleDataSource);
-};
-
-}  // namespace webkit_glue
-
-#endif  // WEBKIT_GLUE_MEDIA_SIMPLE_DATA_SOURCE_H_