| /* |
| * Copyright (C) 2010 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_BINDINGS_CORE_V8_V8_GC_FOR_CONTEXT_DISPOSE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_BINDINGS_CORE_V8_V8_GC_FOR_CONTEXT_DISPOSE_H_ |
| |
| #include "third_party/blink/renderer/bindings/core/v8/window_proxy.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/platform/timer.h" |
| |
| namespace blink { |
| |
| class V8GCForContextDispose { |
| USING_FAST_MALLOC(V8GCForContextDispose); |
| WTF_MAKE_NONCOPYABLE(V8GCForContextDispose); |
| |
| public: |
| void NotifyContextDisposed(bool is_main_frame, WindowProxy::FrameReuseStatus); |
| void NotifyIdle(); |
| |
| CORE_EXPORT static V8GCForContextDispose& Instance(); |
| |
| // Called by OomInterventionImpl. If intervention runs on the previous page, |
| // it means that the memory usage is high and needs gc during navigation to |
| // the next page, so that the memory usage of the two pages would not overlap. |
| CORE_EXPORT void SetForcePageNavigationGC(); |
| |
| private: |
| V8GCForContextDispose(); // Use instance() instead. |
| void PseudoIdleTimerFired(TimerBase*); |
| void Reset(); |
| |
| TaskRunnerTimer<V8GCForContextDispose> pseudo_idle_timer_; |
| bool did_dispose_context_for_main_frame_; |
| double last_context_disposal_time_; |
| bool force_page_navigation_gc_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_BINDINGS_CORE_V8_V8_GC_FOR_CONTEXT_DISPOSE_H_ |