diff options
Diffstat (limited to 'chromium/third_party/blink/renderer/core/display_lock/yielding_display_lock_budget.h')
-rw-r--r-- | chromium/third_party/blink/renderer/core/display_lock/yielding_display_lock_budget.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/chromium/third_party/blink/renderer/core/display_lock/yielding_display_lock_budget.h b/chromium/third_party/blink/renderer/core/display_lock/yielding_display_lock_budget.h deleted file mode 100644 index 5b1893fe988..00000000000 --- a/chromium/third_party/blink/renderer/core/display_lock/yielding_display_lock_budget.h +++ /dev/null @@ -1,48 +0,0 @@ -// Copyright 2018 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. - -#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_DISPLAY_LOCK_YIELDING_DISPLAY_LOCK_BUDGET_H_ -#define THIRD_PARTY_BLINK_RENDERER_CORE_DISPLAY_LOCK_YIELDING_DISPLAY_LOCK_BUDGET_H_ - -#include "base/optional.h" -#include "third_party/blink/renderer/core/core_export.h" -#include "third_party/blink/renderer/core/display_lock/display_lock_budget.h" - -namespace blink { - -// This budget yields between lifecycle phases even if that phase is quick. In -// other words, it will only do one new lifecycle phase at a time, and block the -// future ones. Any lifecycle phases that have already been allowed by this -// budget in the past are not blocked. -class CORE_EXPORT YieldingDisplayLockBudget final : public DisplayLockBudget { - public: - YieldingDisplayLockBudget(DisplayLockContext*); - ~YieldingDisplayLockBudget() override = default; - - bool ShouldPerformPhase(Phase, const LifecycleData& lifecycle_data) override; - void DidPerformPhase(Phase) override; - void OnLifecycleChange(const LifecycleData& lifecycle_data) override; - // Returns true if any of the lifecycles that have been previously blocked by - // this budget need updates. Note that this does not check lifecycle phases - // that have already completed by this budget even if they are now dirty - // again. This is done to prevent starvation (ie, it is possible for the - // budget to always schedule more work if something in rAF keeps dirtying - // layout, for example). - bool NeedsLifecycleUpdates() const override; - - protected: - friend class DisplayLockBudgetTest; - - base::TimeDelta GetCurrentBudget(const LifecycleData& lifecycle_data) const; - - private: - unsigned first_lifecycle_count_ = 0; - base::TimeTicks deadline_; - base::Optional<Phase> last_completed_phase_; - Phase next_phase_from_start_of_lifecycle_ = Phase::kFirst; -}; - -} // namespace blink - -#endif // THIRD_PARTY_BLINK_RENDERER_CORE_DISPLAY_LOCK_YIELDING_DISPLAY_LOCK_BUDGET_H_ |