| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_MEDIA_HTML_MEDIA_SOURCE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_MEDIA_HTML_MEDIA_SOURCE_H_ |
| |
| #include <memory> |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/fileapi/url_registry.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/forward.h" |
| |
| namespace blink { |
| |
| class WebMediaSource; |
| class HTMLMediaElement; |
| class TimeRanges; |
| class TrackBase; |
| |
| class CORE_EXPORT HTMLMediaSource : public URLRegistrable, |
| public GarbageCollectedMixin { |
| public: |
| static void SetRegistry(URLRegistry*); |
| static HTMLMediaSource* Lookup(const String& url) { |
| return registry_ ? static_cast<HTMLMediaSource*>(registry_->Lookup(url)) |
| : nullptr; |
| } |
| |
| // Called when an HTMLMediaElement is attempting to attach to this object, |
| // and helps enforce attachment to at most one element at a time. |
| // If already attached, returns false. Otherwise, must be in |
| // 'closed' state, and returns true to indicate attachment success. |
| // Reattachment allowed by first calling close() (even if already in |
| // 'closed'). |
| // Once attached, the source uses the element to synchronously service some |
| // API operations like duration change that may need to initiate seek. |
| virtual bool AttachToElement(HTMLMediaElement*) = 0; |
| virtual void SetWebMediaSourceAndOpen(std::unique_ptr<WebMediaSource>) = 0; |
| virtual void Close() = 0; |
| virtual bool IsClosed() const = 0; |
| virtual double duration() const = 0; |
| virtual TimeRanges* Buffered() const = 0; |
| virtual TimeRanges* Seekable() const = 0; |
| virtual void OnTrackChanged(TrackBase*) = 0; |
| |
| // URLRegistrable |
| URLRegistry& Registry() const override { return *registry_; } |
| |
| private: |
| static URLRegistry* registry_; |
| }; |
| |
| } // namespace blink |
| |
| #endif |