third_party/WebKit/public/web/WebPageImportanceSignals.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef WebPageImportanceSignals_h
   6 #define WebPageImportanceSignals_h
   7
   8 #include "public/platform/WebCommon.h"
   9
  10 namespace blink {
  11
  12 class WebViewClient;
  13
  14 // WebPageImportanceSignals indicate the importance of the page state to user.
  15 // This signal is propagated to embedder so that it can prioritize preserving
  16 // state of certain page over the others.
  17 class WebPageImportanceSignals {
  18 public:
  19     WebPageImportanceSignals() { reset(); }
  20
  21     bool hadFormInteraction() const { return m_hadFormInteraction; }
  22     void setHadFormInteraction();
  23
  24     BLINK_EXPORT void reset();
  25 #if BLINK_IMPLEMENTATION
  26     void onCommitLoad();
  27 #endif
  28
  29     void setObserver(WebViewClient* observer) { m_observer = observer; }
  30
  31 private:
  32     bool m_hadFormInteraction : 1;
  33     WebViewClient* m_observer = nullptr;
  34 };
  35
  36 } // namespace blink
  37
  38 #endif // WebPageImportancesignals_h