Moving input related classes to the input folder.

remoting/client/ui/trackpad_input_strategy.cc

-// Copyright 2017 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.
-
-#include "remoting/client/ui/trackpad_input_strategy.h"
-
-#include "remoting/client/ui/desktop_viewport.h"
-
-namespace remoting {
-
-namespace {
-
-// Trackpad mode does not need tap feedback.
-const float kTapFeedbackRadius = 0.f;
-
-const float kDragFeedbackRadius = 8.f;
-
-}  // namespace
-
-TrackpadInputStrategy::TrackpadInputStrategy(const DesktopViewport& viewport)
-    : cursor_position_(viewport.GetViewportCenter()) {}
-
-TrackpadInputStrategy::~TrackpadInputStrategy() {}
-
-void TrackpadInputStrategy::HandleZoom(const ViewMatrix::Point& pivot,
-                                       float scale,
-                                       DesktopViewport* viewport) {
-  // The cursor position is the pivot point.
-  ViewMatrix::Point cursor_pivot =
-      viewport->GetTransformation().MapPoint(cursor_position_);
-  viewport->ScaleDesktop(cursor_pivot.x, cursor_pivot.y, scale);
-
-  // Keep the cursor on focus.
-  viewport->SetViewportCenter(cursor_position_.x, cursor_position_.y);
-}
-
-bool TrackpadInputStrategy::HandlePan(const ViewMatrix::Vector2D& translation,
-                                      Gesture simultaneous_gesture,
-                                      DesktopViewport* viewport) {
-  if (simultaneous_gesture == ZOOM) {
-    // Don't move the cursor if the user is scaling the viewport.
-    return false;
-  }
-  ViewMatrix::Vector2D translation_on_desktop =
-      viewport->GetTransformation().Invert().MapVector(translation);
-
-  cursor_position_.x += translation_on_desktop.x;
-  cursor_position_.y += translation_on_desktop.y;
-
-  cursor_position_ = viewport->ConstrainPointToDesktop(cursor_position_);
-
-  // Keep the cursor on focus.
-  viewport->SetViewportCenter(cursor_position_.x, cursor_position_.y);
-  return true;
-}
-
-bool TrackpadInputStrategy::TrackTouchInput(
-    const ViewMatrix::Point& touch_point,
-    const DesktopViewport& viewport) {
-  // Do nothing. The cursor position is independent of the touch position.
-  // |touch_point| is always valid.
-  return true;
-}
-
-ViewMatrix::Point TrackpadInputStrategy::GetCursorPosition() const {
-  return cursor_position_;
-}
-
-ViewMatrix::Vector2D TrackpadInputStrategy::MapScreenVectorToDesktop(
-    const ViewMatrix::Vector2D& delta,
-    const DesktopViewport& viewport) const {
-  // No conversion is needed for trackpad mode.
-  return delta;
-}
-
-float TrackpadInputStrategy::GetFeedbackRadius(InputFeedbackType type) const {
-  switch (type) {
-    case InputFeedbackType::TAP_FEEDBACK:
-      return kTapFeedbackRadius;
-    case InputFeedbackType::DRAG_FEEDBACK:
-      return kDragFeedbackRadius;
-  }
-  NOTREACHED();
-  return 0.f;
-}
-
-bool TrackpadInputStrategy::IsCursorVisible() const {
-  return true;
-}
-}  // namespace remoting