Index: third_party/WebKit/Source/platform/WebViewScheduler.cpp |
diff --git a/third_party/WebKit/Source/platform/WebViewScheduler.cpp b/third_party/WebKit/Source/platform/WebViewScheduler.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..022a8040bba3ba6893c56bfd69bd4451a435840c |
--- /dev/null |
+++ b/third_party/WebKit/Source/platform/WebViewScheduler.cpp |
@@ -0,0 +1,72 @@ |
+// Copyright 2016 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. |
+ |
+#include "public/platform/WebViewScheduler.h" |
+ |
+#include "wtf/StdLibExtras.h" |
+#include "wtf/text/WTFString.h" |
+ |
+namespace blink { |
+ |
+WebViewScheduler::WebViewScheduler() |
+ : m_pendingResourceLoadCount(0) |
+ , m_virtualTimePolicy(VirtualTimePolicy::ADVANCE) { } |
+ |
+void WebViewScheduler::incrementPendingResorceLoadCount() |
+{ |
+ m_pendingResourceLoadCount++; |
+ |
+ if (m_virtualTimePolicy != VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING) |
+ return; |
+ |
+ if (m_pendingResourceLoadCount == 1) |
+ setAllowVirtualTimeToAdvance(false); |
+} |
+ |
+void WebViewScheduler::decrementPendingResorceLoadCount() |
+{ |
+ m_pendingResourceLoadCount--; |
Sami
2016/06/29 16:22:27
DCHECK >= 0?
alex clarke (OOO till 29th)
2016/06/29 17:08:31
Done.
|
+ |
+ if (m_virtualTimePolicy != VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING) |
+ return; |
+ |
+ if (m_pendingResourceLoadCount == 0) |
+ setAllowVirtualTimeToAdvance(true); |
+} |
+ |
+void WebViewScheduler::setVirtualTimePolicy(VirtualTimePolicy policy) |
+{ |
+ m_virtualTimePolicy = policy; |
+ |
+ switch (m_virtualTimePolicy) { |
+ case VirtualTimePolicy::ADVANCE: |
+ setAllowVirtualTimeToAdvance(true); |
+ break; |
+ |
+ case VirtualTimePolicy::PAUSE: |
+ setAllowVirtualTimeToAdvance(false); |
+ break; |
+ |
+ case VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING: |
+ setAllowVirtualTimeToAdvance(m_pendingResourceLoadCount == 0); |
+ break; |
+ } |
+} |
+ |
+void WebViewScheduler::setVirtualTimePolicy(const String& policy) |
+{ |
+ DEFINE_STATIC_LOCAL(String, advance, ("advance")); |
+ DEFINE_STATIC_LOCAL(String, pause, ("pause")); |
+ DEFINE_STATIC_LOCAL(String, pauseIfNetworkFetchesPending, ("pauseIfNetworkFetchesPending")); |
+ |
+ if (policy == advance) { |
+ setVirtualTimePolicy(VirtualTimePolicy::ADVANCE); |
+ } else if (policy == pause) { |
+ setVirtualTimePolicy(VirtualTimePolicy::PAUSE); |
+ } else if (policy == pauseIfNetworkFetchesPending) { |
+ setVirtualTimePolicy(VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING); |
+ } |
+} |
+ |
+} // namespace blink |