synthetic_smooth_move_gesture.cc | Explore in Territory

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/common/input/synthetic_smooth_move_gesture.h"

#include <stdint.h>

#include "base/check_op.h"
#include "base/notreached.h"
#include "base/time/time.h"
#include "third_party/blink/public/common/input/synthetic_web_input_event_builders.h"
#include "ui/gfx/geometry/point_f.h"

namespace content {
namespace {

gfx::Vector2dF ProjectScalarOntoVector(float scalar,
                                       const gfx::Vector2dF& vector) { … }

// returns the animation progress along an arctan curve to provide simple
// ease-in ease-out behavior.
float GetCurvedRatio(const base::TimeTicks& current,
                     const base::TimeTicks& start,
                     const base::TimeTicks& end,
                     int speed_in_pixels_s) { … }

}  // namespace

SyntheticSmoothMoveGestureParams::SyntheticSmoothMoveGestureParams() = default;

SyntheticSmoothMoveGestureParams::SyntheticSmoothMoveGestureParams(
    const SyntheticSmoothMoveGestureParams& other) = default;

SyntheticSmoothMoveGestureParams::~SyntheticSmoothMoveGestureParams() = default;

SyntheticGestureParams::GestureType
SyntheticSmoothMoveGestureParams::GetGestureType() const { … }

SyntheticSmoothMoveGesture::SyntheticSmoothMoveGesture(
    const SyntheticSmoothMoveGestureParams& gesture_params)
    : … { … }

SyntheticSmoothMoveGesture::~SyntheticSmoothMoveGesture() { … }

SyntheticGesture::Result SyntheticSmoothMoveGesture::ForwardInputEvents(
    const base::TimeTicks& timestamp,
    SyntheticGestureTarget* target) { … }

// TODO(ssid): Clean up the switch statements by adding functions instead of
// large code, in the Forward*Events functions. Move the actions for all input
// types to different class (SyntheticInputDevice) which generates input events
// for all input types. The gesture class can use instance of device actions.
// Refer: crbug.com/461825

// CAUTION: forwarding a pointer press/release can cause `this` to be deleted.
void SyntheticSmoothMoveGesture::ForwardTouchInputEvents(
    const base::TimeTicks& timestamp,
    SyntheticGestureTarget* target) { … }

void SyntheticSmoothMoveGesture::ForwardMouseWheelInputEvents(
    const base::TimeTicks& timestamp,
    SyntheticGestureTarget* target) { … }

// CAUTION: forwarding a pointer press/release can cause `this` to be deleted.
void SyntheticSmoothMoveGesture::ForwardMouseClickInputEvents(
    const base::TimeTicks& timestamp,
    SyntheticGestureTarget* target) { … }

void SyntheticSmoothMoveGesture::ForwardMouseWheelEvent(
    SyntheticGestureTarget* target,
    const gfx::Vector2dF& delta,
    const blink::WebMouseWheelEvent::Phase phase,
    const base::TimeTicks& timestamp,
    int modifiers) const { … }

void SyntheticSmoothMoveGesture::ForwardFlingGestureEvent(
    SyntheticGestureTarget* target,
    const blink::WebInputEvent::Type type) const { … }

void SyntheticSmoothMoveGesture::PressPoint(SyntheticGestureTarget* target,
                                            const base::TimeTicks& timestamp) { … }

void SyntheticSmoothMoveGesture::MovePoint(SyntheticGestureTarget* target,
                                           const gfx::Vector2dF& delta,
                                           const base::TimeTicks& timestamp) { … }

void SyntheticSmoothMoveGesture::ReleasePoint(
    SyntheticGestureTarget* target,
    const base::TimeTicks& timestamp) { … }

void SyntheticSmoothMoveGesture::AddTouchSlopToFirstDistance(
    SyntheticGestureTarget* target) { … }

gfx::Vector2dF SyntheticSmoothMoveGesture::GetPositionDeltaAtTime(
    const base::TimeTicks& timestamp) const { … }

void SyntheticSmoothMoveGesture::ComputeNextMoveSegment() { … }

base::TimeTicks SyntheticSmoothMoveGesture::ClampTimestamp(
    const base::TimeTicks& timestamp) const { … }

bool SyntheticSmoothMoveGesture::FinishedCurrentMoveSegment(
    const base::TimeTicks& timestamp) const { … }

bool SyntheticSmoothMoveGesture::IsLastMoveSegment() const { … }

bool SyntheticSmoothMoveGesture::MoveIsNoOp() const { … }

}  // namespace content
chromium/content/common/input/synthetic_smooth_move_gesture.cc
