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Add patch to play videos in background

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csagan5 2018-02-18 22:43:29 +01:00
parent 6807e7b388
commit 5b2034ff45
1 changed files with 70 additions and 0 deletions
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patches/BRM039_play-videos-in-background.patch Normal file
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@ -0,0 +1,70 @@
Author: csagan5 <32685696+csagan5@users.noreply.github.com>
Date: Sun Feb 18 22:15:25 2018 +0100
Play videos in background
Break Page Visibility API and Fullscreen API for youtube.com and vimeo.com
Original Javascript code by timdream
diff --git a/third_party/WebKit/Source/core/dom/BUILD.gn b/third_party/WebKit/Source/core/dom/BUILD.gn
--- a/third_party/WebKit/Source/core/dom/BUILD.gn
+++ b/third_party/WebKit/Source/core/dom/BUILD.gn
@@ -302,6 +302,7 @@ blink_core_sources("dom") {
"events/WindowEventContext.cpp",
"events/WindowEventContext.h",
"extensions/dont-track-me.h",
+ "extensions/video-bg-play.h",
"ng/flat_tree_traversal_ng.cc",
"ng/flat_tree_traversal_ng.h",
"trustedtypes/TrustedHTML.cpp",
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -222,6 +222,7 @@
#include "core/xml_names.h"
#include "core/xmlns_names.h"
#include "extensions/dont-track-me.h"
+#include "extensions/video-bg-play.h"
#include "platform/CrossThreadFunctional.h"
#include "platform/DateComponents.h"
#include "platform/EventDispatchForbiddenScope.h"
@@ -5887,17 +5888,25 @@ void Document::FinishedParsing() {
// determine whether this is a Google search results page
const SecurityOrigin *origin = GetSecurityOrigin();
- if (origin) {
+ auto* bodyElement = body();
+ if (origin && bodyElement) {
WTF::String domain = origin->Domain();
size_t pos = domain.Find(".google.");
- auto* bodyElement = body();
- if (bodyElement && (pos != WTF::kNotFound) && (domain.length() - pos - 8 < 4)) {
+ if ((pos != WTF::kNotFound) && (domain.length() - pos - 8 < 4)) {
LOG(INFO) << "injecting dont-track-me Javascript payload";
HTMLScriptElement* e = HTMLScriptElement::Create(*this, CreateElementFlags());
e->setText(DONT_TRACK_ME_JS);
bodyElement->AppendChild(e);
}
- }
+
+ // check for eligibility of the video bg fix
+ if ((WTF::kNotFound != domain.Find("youtube.com")) || (WTF::kNotFound != domain.Find("vimeo.com"))) {
+ LOG(INFO) << "injecting video-bg-play Javascript payload";
+ HTMLScriptElement* e = HTMLScriptElement::Create(*this, CreateElementFlags());
+ e->setText(VIDEO_BG_PLAY_JS);
+ bodyElement->AppendChild(e);
+ }
+ } // has origin and body element
}
void Document::ElementDataCacheClearTimerFired(TimerBase*) {
diff --git a/third_party/WebKit/Source/core/dom/extensions/video-bg-play.h b/third_party/WebKit/Source/core/dom/extensions/video-bg-play.h
new file mode 100644
--- /dev/null
+++ b/third_party/WebKit/Source/core/dom/extensions/video-bg-play.h
@@ -0,0 +1,6 @@
+#ifndef video_bg_play_h
+#define video_bg_play_h
+
+#define VIDEO_BG_PLAY_JS "'use strict';\n\n/* video background play fix - original version by timdream */\ndocument.videoBGFix = {};\n\n// Page Visibility API\nObject.defineProperties(document.videoBGFix,\n { 'hidden': {value: false}, 'visibilityState': {value: 'visible'} });\n\nwindow.addEventListener(\n 'visibilitychange', evt => evt.stopImmediatePropagation(), true);\nwindow.addEventListener(\n 'blur', evt => evt.stopImmediatePropagation(), true);\n\n// Fullscreen API\nwindow.addEventListener('fullscreenchange', evt => {\n Object.defineProperties(document.videoBGFix,\n { 'fullscreenEnabled': {value: true},\n 'fullscreen': {value: true},\n 'fullscreenElement': {value: document.fullscreenElement.videoBGFix}});\n window.addEventListener(\n 'fullscreenchange', evt => evt.stopImmediatePropagation(), true);\n}, { capture: true, once: true });\n"
+
+#endif // video_bg_play_h