Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set sw=2 ts=8 et tw=80 : */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "KeyboardScrollAnimation.h"
       8             : 
       9             : #include "gfxPrefs.h"
      10             : 
      11             : namespace mozilla {
      12             : namespace layers {
      13             : 
      14           0 : KeyboardScrollAnimation::KeyboardScrollAnimation(AsyncPanZoomController& aApzc,
      15             :                                                  const nsPoint& aInitialPosition,
      16           0 :                                                  KeyboardScrollAction::KeyboardScrollActionType aType)
      17           0 :   : GenericScrollAnimation(aApzc, aInitialPosition)
      18             : {
      19           0 :   switch (aType) {
      20             :     case KeyboardScrollAction::eScrollCharacter:
      21             :     case KeyboardScrollAction::eScrollLine: {
      22           0 :       mOriginMaxMS = clamped(gfxPrefs::LineSmoothScrollMaxDurationMs(), 0, 10000);
      23           0 :       mOriginMinMS = clamped(gfxPrefs::LineSmoothScrollMinDurationMs(), 0, mOriginMaxMS);
      24           0 :       break;
      25             :     }
      26             :     case KeyboardScrollAction::eScrollPage: {
      27           0 :       mOriginMaxMS = clamped(gfxPrefs::PageSmoothScrollMaxDurationMs(), 0, 10000);
      28           0 :       mOriginMinMS = clamped(gfxPrefs::PageSmoothScrollMinDurationMs(), 0, mOriginMaxMS);
      29           0 :       break;
      30             :     }
      31             :     case KeyboardScrollAction::eScrollComplete: {
      32           0 :       mOriginMaxMS = clamped(gfxPrefs::OtherSmoothScrollMaxDurationMs(), 0, 10000);
      33           0 :       mOriginMinMS = clamped(gfxPrefs::OtherSmoothScrollMinDurationMs(), 0, mOriginMaxMS);
      34           0 :       break;
      35             :     }
      36             :   }
      37             : 
      38             :   // The pref is 100-based int percentage, while mIntervalRatio is 1-based ratio
      39           0 :   mIntervalRatio = ((double)gfxPrefs::SmoothScrollDurationToIntervalRatio()) / 100.0;
      40           0 :   mIntervalRatio = std::max(1.0, mIntervalRatio);
      41           0 : }
      42             : 
      43             : } // namespace layers
      44             : } // namespace mozilla