diff options
Diffstat (limited to 'chromium/ash/wm/gestures/two_finger_drag_handler.cc')
| -rw-r--r-- | chromium/ash/wm/gestures/two_finger_drag_handler.cc | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/chromium/ash/wm/gestures/two_finger_drag_handler.cc b/chromium/ash/wm/gestures/two_finger_drag_handler.cc deleted file mode 100644 index 5cf98a68ab8..00000000000 --- a/chromium/ash/wm/gestures/two_finger_drag_handler.cc +++ /dev/null @@ -1,216 +0,0 @@ -// Copyright (c) 2012 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 "ash/wm/gestures/two_finger_drag_handler.h" - -#include "ash/wm/window_resizer.h" -#include "ash/wm/window_state.h" -#include "ash/wm/window_util.h" -#include "ash/wm/workspace/snap_sizer.h" -#include "ui/aura/client/window_types.h" -#include "ui/aura/window.h" -#include "ui/aura/window_delegate.h" -#include "ui/base/hit_test.h" -#include "ui/compositor/layer.h" -#include "ui/compositor/scoped_layer_animation_settings.h" -#include "ui/events/event.h" -#include "ui/events/event_constants.h" - -namespace { - -bool IsTopEdge(int component) { - return component == HTTOPLEFT || - component == HTTOP || - component == HTTOPRIGHT; -} - -bool IsBottomEdge(int component) { - return component == HTBOTTOMLEFT || - component == HTBOTTOM || - component == HTBOTTOMRIGHT; -} - -bool IsRightEdge(int component) { - return component == HTTOPRIGHT || - component == HTRIGHT || - component == HTBOTTOMRIGHT; -} - -bool IsLeftEdge(int component) { - return component == HTTOPLEFT || - component == HTLEFT || - component == HTBOTTOMLEFT; -} - -bool IsSomeEdge(int component) { - switch (component) { - case HTTOPLEFT: - case HTTOP: - case HTTOPRIGHT: - case HTRIGHT: - case HTBOTTOMRIGHT: - case HTBOTTOM: - case HTBOTTOMLEFT: - case HTLEFT: - return true; - } - return false; -} - -// Returns whether a window-move should be allowed depending on the hit-test -// results of the two fingers. -bool WindowComponentsAllowMoving(int component1, int component2) { - return ((IsTopEdge(component1) && IsTopEdge(component2)) || - (IsBottomEdge(component1) && IsBottomEdge(component2)) || - (IsLeftEdge(component1) && IsLeftEdge(component2)) || - (IsRightEdge(component1) && IsRightEdge(component2)) || - (!IsSomeEdge(component1) && !IsSomeEdge(component2))); -} - -} // namespace - -namespace ash { -namespace internal { - -TwoFingerDragHandler::TwoFingerDragHandler() - : first_finger_hittest_(HTNOWHERE), - in_gesture_drag_(false) { -} - -TwoFingerDragHandler::~TwoFingerDragHandler() { -} - -bool TwoFingerDragHandler::ProcessGestureEvent(aura::Window* target, - const ui::GestureEvent& event) { - if (!target->delegate()) - return false; - - if (event.type() == ui::ET_GESTURE_BEGIN && - event.details().touch_points() == 1) { - first_finger_hittest_ = - target->delegate()->GetNonClientComponent(event.location()); - return false; - } - - wm::WindowState* window_state = wm::GetWindowState(target); - - if (event.type() == ui::ET_GESTURE_BEGIN && - event.details().touch_points() == 2) { - if (!in_gesture_drag_ && window_state->IsNormalShowState() && - target->type() == aura::client::WINDOW_TYPE_NORMAL) { - if (WindowComponentsAllowMoving(first_finger_hittest_, - target->delegate()->GetNonClientComponent(event.location()))) { - in_gesture_drag_ = true; - target->AddObserver(this); - // Only create a new WindowResizer if one doesn't already exist - // for the target window. - window_resizer_ = CreateWindowResizer( - target, - event.details().bounding_box().CenterPoint(), - HTCAPTION, - aura::client::WINDOW_MOVE_SOURCE_TOUCH); - return true; - } - } - - return false; - } - - if (!in_gesture_drag_) { - // Consume all two-finger gestures on a normal window. - return event.details().touch_points() == 2 && - target->type() == aura::client::WINDOW_TYPE_NORMAL && - window_state->IsNormalShowState(); - } - // Since |in_gesture_drag_| is true a resizer was either created above or - // it was created elsewhere and can be found in |window_state|. - WindowResizer* any_window_resizer = window_resizer_ ? - window_resizer_.get() : window_state->window_resizer(); - DCHECK(any_window_resizer); - - if (target != any_window_resizer->GetTarget()) - return false; - - switch (event.type()) { - case ui::ET_GESTURE_BEGIN: - if (event.details().touch_points() > 2) { - if (window_resizer_) - window_resizer_->CompleteDrag(event.flags()); - Reset(target); - } - return false; - - case ui::ET_GESTURE_SCROLL_BEGIN: - case ui::ET_GESTURE_PINCH_BEGIN: - case ui::ET_GESTURE_SCROLL_END: - return true; - - case ui::ET_GESTURE_MULTIFINGER_SWIPE: { - // For a swipe, the window either maximizes, minimizes, or snaps. In this - // case, complete the drag, and do the appropriate action. - if (window_resizer_) - window_resizer_->CompleteDrag(event.flags()); - Reset(target); - if (event.details().swipe_up()) { - if (window_state->CanMaximize()) - window_state->Maximize(); - } else if (event.details().swipe_down() && window_state->CanMinimize()) { - window_state->Minimize(); - } else if (window_state->CanSnap()) { - ui::ScopedLayerAnimationSettings scoped_setter( - target->layer()->GetAnimator()); - scoped_setter.SetPreemptionStrategy( - ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS); - internal::SnapSizer::SnapWindow(window_state, - event.details().swipe_left() ? internal::SnapSizer::LEFT_EDGE : - internal::SnapSizer::RIGHT_EDGE); - } - return true; - } - - case ui::ET_GESTURE_PINCH_UPDATE: - case ui::ET_GESTURE_SCROLL_UPDATE: - any_window_resizer->Drag(event.details().bounding_box().CenterPoint(), - event.flags()); - return true; - - case ui::ET_GESTURE_PINCH_END: - if (window_resizer_) - window_resizer_->CompleteDrag(event.flags()); - Reset(target); - return true; - - case ui::ET_GESTURE_END: - if (event.details().touch_points() == 2) { - if (window_resizer_) - window_resizer_->RevertDrag(); - Reset(target); - return true; - } - break; - - default: - break; - } - - return false; -} - -void TwoFingerDragHandler::Reset(aura::Window* window) { - window->RemoveObserver(this); - window_resizer_.reset(); - in_gesture_drag_ = false; -} - -void TwoFingerDragHandler::OnWindowVisibilityChanged(aura::Window* window, - bool visible) { - Reset(window); -} - -void TwoFingerDragHandler::OnWindowDestroying(aura::Window* window) { - Reset(window); -} - -} // namespace internal -} // namespace ash |