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      1 // Copyright 2013 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 #include "content/browser/renderer_host/input/touchscreen_tap_suppression_controller.h"
      6 
      7 #include "content/browser/renderer_host/input/gesture_event_filter.h"
      8 #include "content/browser/renderer_host/input/tap_suppression_controller.h"
      9 #include "ui/base/gestures/gesture_configuration.h"
     10 
     11 namespace content {
     12 
     13 TouchscreenTapSuppressionController::TouchscreenTapSuppressionController(
     14     GestureEventFilter* gef)
     15     : gesture_event_filter_(gef),
     16       controller_(new TapSuppressionController(this)) {
     17 }
     18 
     19 TouchscreenTapSuppressionController::~TouchscreenTapSuppressionController() {}
     20 
     21 void TouchscreenTapSuppressionController::GestureFlingCancel() {
     22   controller_->GestureFlingCancel();
     23 }
     24 
     25 void TouchscreenTapSuppressionController::GestureFlingCancelAck(
     26     bool processed) {
     27   controller_->GestureFlingCancelAck(processed);
     28 }
     29 
     30 bool TouchscreenTapSuppressionController::ShouldDeferGestureTapDown(
     31     const GestureEventWithLatencyInfo& event) {
     32   bool should_defer = controller_->ShouldDeferTapDown();
     33   if (should_defer)
     34     stashed_tap_down_ = event;
     35   return should_defer;
     36 }
     37 
     38 bool TouchscreenTapSuppressionController::ShouldSuppressGestureTap() {
     39   return controller_->ShouldSuppressTapUp();
     40 }
     41 
     42 bool TouchscreenTapSuppressionController::ShouldSuppressGestureTapCancel() {
     43   return controller_->ShouldSuppressTapCancel();
     44 }
     45 
     46 int TouchscreenTapSuppressionController::MaxCancelToDownTimeInMs() {
     47   return ui::GestureConfiguration::fling_max_cancel_to_down_time_in_ms();
     48 }
     49 
     50 int TouchscreenTapSuppressionController::MaxTapGapTimeInMs() {
     51   return static_cast<int>(
     52       ui::GestureConfiguration::semi_long_press_time_in_seconds() * 1000);
     53 }
     54 
     55 void TouchscreenTapSuppressionController::DropStashedTapDown() {
     56 }
     57 
     58 void TouchscreenTapSuppressionController::ForwardStashedTapDownForDeferral() {
     59   gesture_event_filter_->ForwardGestureEventForDeferral(stashed_tap_down_);
     60 }
     61 
     62 void TouchscreenTapSuppressionController::ForwardStashedTapDownSkipDeferral() {
     63   gesture_event_filter_->ForwardGestureEventSkipDeferral(stashed_tap_down_);
     64 }
     65 
     66 }  // namespace content
     67