gesture_manager.cc | Explore in Territory

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/input/gesture_manager.h"

#include "third_party/blink/public/common/input/web_input_event.h"
#include "third_party/blink/public/common/input/web_pointer_event.h"
#include "third_party/blink/public/mojom/frame/user_activation_notification_type.mojom-blink.h"
#include "third_party/blink/public/public_buildflags.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/editing/selection_controller.h"
#include "third_party/blink/renderer/core/event_type_names.h"
#include "third_party/blink/renderer/core/events/gesture_event.h"
#include "third_party/blink/renderer/core/events/pointer_event_factory.h"
#include "third_party/blink/renderer/core/fragment_directive/text_fragment_handler.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/frame/settings.h"
#include "third_party/blink/renderer/core/frame/visual_viewport.h"
#include "third_party/blink/renderer/core/input/context_menu_allowed_scope.h"
#include "third_party/blink/renderer/core/input/event_handler.h"
#include "third_party/blink/renderer/core/input/event_handling_util.h"
#include "third_party/blink/renderer/core/input/input_device_capabilities.h"
#include "third_party/blink/renderer/core/page/chrome_client.h"
#include "third_party/blink/renderer/core/page/page.h"
#include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h"
#include "ui/gfx/geometry/point_conversions.h"

#if BUILDFLAG(ENABLE_UNHANDLED_TAP)
#include "third_party/blink/public/mojom/unhandled_tap_notifier/unhandled_tap_notifier.mojom-blink.h"
#include "third_party/blink/public/platform/browser_interface_broker_proxy.h"
#include "third_party/blink/public/web/web_node.h"
#include "third_party/blink/renderer/core/editing/frame_selection.h"
#include "third_party/blink/renderer/core/editing/selection_template.h"
#include "third_party/blink/renderer/core/editing/visible_selection.h"
#include "third_party/blink/renderer/core/frame/local_frame_client.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#endif  // BUILDFLAG(ENABLE_UNHANDLED_TAP)

namespace blink {

namespace {

// The amount of drag (in pixels) that is considered to be within a slop region.
// This allows firing touch dragend contextmenu events for shaky fingers.
const int kTouchDragSlop = …;

bool TouchDragAndContextMenuEnabled(const LocalFrame* frame) { … }

}  // namespace

GestureManager::GestureManager(LocalFrame& frame,
                               ScrollManager& scroll_manager,
                               MouseEventManager& mouse_event_manager,
                               PointerEventManager& pointer_event_manager,
                               SelectionController& selection_controller)
    : … { … }

void GestureManager::Clear() { … }

void GestureManager::ResetLongTapContextMenuStates() { … }

void GestureManager::Trace(Visitor* visitor) const { … }

HitTestRequest::HitTestRequestType GestureManager::GetHitTypeForGestureType(
    WebInputEvent::Type type) { … }

WebInputEventResult GestureManager::HandleGestureEventInFrame(
    const GestureEventWithHitTestResults& targeted_event) { … }

bool GestureManager::GestureContextMenuDeferred() const { … }

WebInputEventResult GestureManager::HandleGestureTapDown(
    const GestureEventWithHitTestResults& targeted_event) { … }

WebInputEventResult GestureManager::HandleGestureTap(
    const GestureEventWithHitTestResults& targeted_event) { … }

WebInputEventResult GestureManager::HandleGestureShortPress(
    const GestureEventWithHitTestResults& targeted_event) { … }

WebInputEventResult GestureManager::HandleGestureLongPress(
    const GestureEventWithHitTestResults& targeted_event) { … }

WebInputEventResult GestureManager::HandleGestureLongTap(
    const GestureEventWithHitTestResults& targeted_event) { … }

WebInputEventResult GestureManager::HandleGestureTwoFingerTap(
    const GestureEventWithHitTestResults& targeted_event) { … }

void GestureManager::SendContextMenuEventTouchDragEnd(
    const WebMouseEvent& mouse_event) { … }

WebInputEventResult GestureManager::SendContextMenuEventForGesture(
    const GestureEventWithHitTestResults& targeted_event) { … }

WebInputEventResult GestureManager::HandleGestureShowPress() { … }

void GestureManager::ShowUnhandledTapUIIfNeeded(
    bool dom_tree_changed,
    bool style_changed,
    Node* tapped_node,
    const gfx::Point& tapped_position_in_viewport) { … }

PointerId GestureManager::GetPointerIdFromWebGestureEvent(
    const WebGestureEvent& gesture_event) const { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/input/gesture_manager.cc
