Add m-esr52 at 52.6.0

1 files changed, 329 insertions, 0 deletions

diff --git a/dom/html/HTMLVideoElement.cpp b/dom/html/HTMLVideoElement.cpp
new file mode 100644
index 000000000..bddec24c9
--- /dev/null
+++ b/dom/html/HTMLVideoElement.cpp
@@ -0,0 +1,329 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsIDOMHTMLSourceElement.h"
+#include "mozilla/dom/HTMLVideoElement.h"
+#include "mozilla/dom/HTMLVideoElementBinding.h"
+#include "nsGenericHTMLElement.h"
+#include "nsGkAtoms.h"
+#include "nsSize.h"
+#include "nsError.h"
+#include "nsNodeInfoManager.h"
+#include "plbase64.h"
+#include "nsXPCOMStrings.h"
+#include "prlock.h"
+#include "nsThreadUtils.h"
+#include "ImageContainer.h"
+#include "VideoFrameContainer.h"
+
+#include "nsIScriptSecurityManager.h"
+#include "nsIXPConnect.h"
+
+#include "nsITimer.h"
+
+#include "MediaError.h"
+#include "MediaDecoder.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/dom/WakeLock.h"
+#include "mozilla/dom/power/PowerManagerService.h"
+#include "mozilla/dom/Performance.h"
+#include "mozilla/dom/VideoPlaybackQuality.h"
+
+#include <algorithm>
+#include <limits>
+
+NS_IMPL_NS_NEW_HTML_ELEMENT(Video)
+
+namespace mozilla {
+namespace dom {
+
+static bool sVideoStatsEnabled;
+
+NS_IMPL_ELEMENT_CLONE(HTMLVideoElement)
+
+HTMLVideoElement::HTMLVideoElement(already_AddRefed<NodeInfo>& aNodeInfo)
+  : HTMLMediaElement(aNodeInfo)
+  , mUseScreenWakeLock(true)
+{
+}
+
+HTMLVideoElement::~HTMLVideoElement()
+{
+}
+
+nsresult HTMLVideoElement::GetVideoSize(nsIntSize* size)
+{
+  if (!mMediaInfo.HasVideo()) {
+    return NS_ERROR_FAILURE;
+  }
+
+  if (mDisableVideo) {
+    return NS_ERROR_FAILURE;
+  }
+
+  switch (mMediaInfo.mVideo.mRotation) {
+    case VideoInfo::Rotation::kDegree_90:
+    case VideoInfo::Rotation::kDegree_270: {
+      size->width = mMediaInfo.mVideo.mDisplay.height;
+      size->height = mMediaInfo.mVideo.mDisplay.width;
+      break;
+    }
+    case VideoInfo::Rotation::kDegree_0:
+    case VideoInfo::Rotation::kDegree_180:
+    default: {
+      size->height = mMediaInfo.mVideo.mDisplay.height;
+      size->width = mMediaInfo.mVideo.mDisplay.width;
+      break;
+    }
+  }
+  return NS_OK;
+}
+
+bool
+HTMLVideoElement::ParseAttribute(int32_t aNamespaceID,
+                                 nsIAtom* aAttribute,
+                                 const nsAString& aValue,
+                                 nsAttrValue& aResult)
+{
+   if (aAttribute == nsGkAtoms::width || aAttribute == nsGkAtoms::height) {
+     return aResult.ParseSpecialIntValue(aValue);
+   }
+
+   return HTMLMediaElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
+                                           aResult);
+}
+
+void
+HTMLVideoElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
+                                        nsRuleData* aData)
+{
+  nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aData);
+  nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
+}
+
+NS_IMETHODIMP_(bool)
+HTMLVideoElement::IsAttributeMapped(const nsIAtom* aAttribute) const
+{
+  static const MappedAttributeEntry attributes[] = {
+    { &nsGkAtoms::width },
+    { &nsGkAtoms::height },
+    { nullptr }
+  };
+
+  static const MappedAttributeEntry* const map[] = {
+    attributes,
+    sCommonAttributeMap
+  };
+
+  return FindAttributeDependence(aAttribute, map);
+}
+
+nsMapRuleToAttributesFunc
+HTMLVideoElement::GetAttributeMappingFunction() const
+{
+  return &MapAttributesIntoRule;
+}
+
+nsresult HTMLVideoElement::SetAcceptHeader(nsIHttpChannel* aChannel)
+{
+  nsAutoCString value(
+      "video/webm,"
+      "video/ogg,"
+      "video/*;q=0.9,"
+      "application/ogg;q=0.7,"
+      "audio/*;q=0.6,*/*;q=0.5");
+
+  return aChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"),
+                                    value,
+                                    false);
+}
+
+bool
+HTMLVideoElement::IsInteractiveHTMLContent(bool aIgnoreTabindex) const
+{
+  return HasAttr(kNameSpaceID_None, nsGkAtoms::controls) ||
+         HTMLMediaElement::IsInteractiveHTMLContent(aIgnoreTabindex);
+}
+
+uint32_t HTMLVideoElement::MozParsedFrames() const
+{
+  MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+  if (!sVideoStatsEnabled) {
+    return 0;
+  }
+  return mDecoder ? mDecoder->GetFrameStatistics().GetParsedFrames() : 0;
+}
+
+uint32_t HTMLVideoElement::MozDecodedFrames() const
+{
+  MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+  if (!sVideoStatsEnabled) {
+    return 0;
+  }
+  return mDecoder ? mDecoder->GetFrameStatistics().GetDecodedFrames() : 0;
+}
+
+uint32_t HTMLVideoElement::MozPresentedFrames() const
+{
+  MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+  if (!sVideoStatsEnabled) {
+    return 0;
+  }
+  return mDecoder ? mDecoder->GetFrameStatistics().GetPresentedFrames() : 0;
+}
+
+uint32_t HTMLVideoElement::MozPaintedFrames()
+{
+  MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+  if (!sVideoStatsEnabled) {
+    return 0;
+  }
+  layers::ImageContainer* container = GetImageContainer();
+  return container ? container->GetPaintCount() : 0;
+}
+
+double HTMLVideoElement::MozFrameDelay()
+{
+  MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+  VideoFrameContainer* container = GetVideoFrameContainer();
+  // Hide negative delays. Frame timing tweaks in the compositor (e.g.
+  // adding a bias value to prevent multiple dropped/duped frames when
+  // frame times are aligned with composition times) may produce apparent
+  // negative delay, but we shouldn't report that.
+  return container ? std::max(0.0, container->GetFrameDelay()) : 0.0;
+}
+
+bool HTMLVideoElement::MozHasAudio() const
+{
+  MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+  return HasAudio();
+}
+
+bool HTMLVideoElement::MozUseScreenWakeLock() const
+{
+  MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+  return mUseScreenWakeLock;
+}
+
+void HTMLVideoElement::SetMozUseScreenWakeLock(bool aValue)
+{
+  MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+  mUseScreenWakeLock = aValue;
+  UpdateScreenWakeLock();
+}
+
+JSObject*
+HTMLVideoElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return HTMLVideoElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+void
+HTMLVideoElement::NotifyOwnerDocumentActivityChanged()
+{
+  HTMLMediaElement::NotifyOwnerDocumentActivityChanged();
+  UpdateScreenWakeLock();
+}
+
+FrameStatistics*
+HTMLVideoElement::GetFrameStatistics()
+{
+  return mDecoder ? &(mDecoder->GetFrameStatistics()) : nullptr;
+}
+
+already_AddRefed<VideoPlaybackQuality>
+HTMLVideoElement::GetVideoPlaybackQuality()
+{
+  DOMHighResTimeStamp creationTime = 0;
+  uint32_t totalFrames = 0;
+  uint32_t droppedFrames = 0;
+  uint32_t corruptedFrames = 0;
+
+  if (sVideoStatsEnabled) {
+    if (nsPIDOMWindowInner* window = OwnerDoc()->GetInnerWindow()) {
+      Performance* perf = window->GetPerformance();
+      if (perf) {
+        creationTime = perf->Now();
+      }
+    }
+
+    if (mDecoder) {
+      FrameStatisticsData stats =
+        mDecoder->GetFrameStatistics().GetFrameStatisticsData();
+      if (sizeof(totalFrames) >= sizeof(stats.mParsedFrames)) {
+        totalFrames = stats.mPresentedFrames + stats.mDroppedFrames;
+        droppedFrames = stats.mDroppedFrames;
+      } else {
+        uint64_t total = stats.mPresentedFrames + stats.mDroppedFrames;
+        const auto maxNumber = std::numeric_limits<uint32_t>::max();
+        if (total <= maxNumber) {
+          totalFrames = uint32_t(total);
+          droppedFrames = uint32_t(stats.mDroppedFrames);
+        } else {
+          // Too big number(s) -> Resize everything to fit in 32 bits.
+          double ratio = double(maxNumber) / double(total);
+          totalFrames = maxNumber; // === total * ratio
+          droppedFrames = uint32_t(double(stats.mDroppedFrames) * ratio);
+        }
+      }
+      corruptedFrames = 0;
+    }
+  }
+
+  RefPtr<VideoPlaybackQuality> playbackQuality =
+    new VideoPlaybackQuality(this, creationTime, totalFrames, droppedFrames,
+                             corruptedFrames);
+  return playbackQuality.forget();
+}
+
+void
+HTMLVideoElement::WakeLockCreate()
+{
+  HTMLMediaElement::WakeLockCreate();
+  UpdateScreenWakeLock();
+}
+
+void
+HTMLVideoElement::WakeLockRelease()
+{
+  UpdateScreenWakeLock();
+  HTMLMediaElement::WakeLockRelease();
+}
+
+void
+HTMLVideoElement::UpdateScreenWakeLock()
+{
+  bool hidden = OwnerDoc()->Hidden();
+
+  if (mScreenWakeLock && (mPaused || hidden || !mUseScreenWakeLock)) {
+    ErrorResult rv;
+    mScreenWakeLock->Unlock(rv);
+    rv.SuppressException();
+    mScreenWakeLock = nullptr;
+    return;
+  }
+
+  if (!mScreenWakeLock && !mPaused && !hidden &&
+      mUseScreenWakeLock && HasVideo()) {
+    RefPtr<power::PowerManagerService> pmService =
+      power::PowerManagerService::GetInstance();
+    NS_ENSURE_TRUE_VOID(pmService);
+
+    ErrorResult rv;
+    mScreenWakeLock = pmService->NewWakeLock(NS_LITERAL_STRING("screen"),
+                                             OwnerDoc()->GetInnerWindow(),
+                                             rv);
+  }
+}
+
+void
+HTMLVideoElement::Init()
+{
+  Preferences::AddBoolVarCache(&sVideoStatsEnabled, "media.video_stats.enabled");
+}
+
+} // namespace dom
+} // namespace mozilla