synthetic_gesture_target_aura.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/browser/renderer_host/input/synthetic_gesture_target_aura.h"

#include <stddef.h>

#include <memory>
#include <vector>

#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_aura.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
#include "ui/compositor/compositor.h"
#include "ui/events/blink/blink_event_util.h"
#include "ui/events/event_sink.h"
#include "ui/events/event_utils.h"
#include "ui/events/gesture_detection/gesture_configuration.h"

WebTouchEvent;
WebMouseWheelEvent;

namespace content {

namespace {

int WebEventButtonToUIEventButtonFlags(blink::WebMouseEvent::Button button) { … }

enum class TouchEventCoordinateSystem { … };

ui::EventType WebTouchPointStateToEventType(blink::WebTouchPoint::State state) { … }

// Creates a list of ui::TouchEvents out of a single WebTouchEvent.
// A WebTouchEvent can contain information about a number of WebTouchPoints,
// whereas a ui::TouchEvent contains information about a single touch-point. So
// it is possible to create more than one ui::TouchEvents out of a single
// WebTouchEvent. All the ui::TouchEvent in the list will carry the same
// LatencyInfo the WebTouchEvent carries.
// |coordinate_system| specifies which fields to use for the co-ordinates,
// WebTouchPoint.position or WebTouchPoint.screenPosition.  Is's up to the
// caller to do any co-ordinate system mapping (typically to get them into
// the Aura EventDispatcher co-ordinate system).
bool MakeUITouchEventsFromWebTouchEvents(
    const input::TouchEventWithLatencyInfo& touch_with_latency,
    std::vector<std::unique_ptr<ui::TouchEvent>>* list,
    TouchEventCoordinateSystem coordinate_system) { … }

}  // namespace

SyntheticGestureTargetAura::SyntheticGestureTargetAura(
    RenderWidgetHostImpl* host)
    : … { … }

SyntheticGestureTargetAura::~SyntheticGestureTargetAura() { … }

void SyntheticGestureTargetAura::DispatchWebTouchEventToPlatform(
    const WebTouchEvent& web_touch,
    const ui::LatencyInfo& latency_info) { … }

void SyntheticGestureTargetAura::DispatchWebMouseWheelEventToPlatform(
      const blink::WebMouseWheelEvent& web_wheel,
      const ui::LatencyInfo&) { … }

void SyntheticGestureTargetAura::DispatchWebGestureEventToPlatform(
    const blink::WebGestureEvent& web_gesture,
    const ui::LatencyInfo& latency_info) { … }

void SyntheticGestureTargetAura::DispatchWebMouseEventToPlatform(
    const blink::WebMouseEvent& web_mouse_event,
    const ui::LatencyInfo& latency_info) { … }

content::mojom::GestureSourceType
SyntheticGestureTargetAura::GetDefaultSyntheticGestureSourceType() const { … }

void SyntheticGestureTargetAura::GetVSyncParameters(
    base::TimeTicks& timebase,
    base::TimeDelta& interval) const { … }

void SyntheticGestureTargetAura::OnBeginFrame(base::TimeTicks frame_begin_time,
                                              base::TimeDelta frame_interval) { … }

void SyntheticGestureTargetAura::OnBeginFrameSourceShuttingDown() { … }

float SyntheticGestureTargetAura::GetTouchSlopInDips() const { … }

float SyntheticGestureTargetAura::GetSpanSlopInDips() const { … }

float SyntheticGestureTargetAura::GetMinScalingSpanInDips() const { … }

RenderWidgetHostViewAura* SyntheticGestureTargetAura::GetView() const { … }

aura::Window* SyntheticGestureTargetAura::GetWindow() const { … }

}  // namespace content
chromium/content/browser/renderer_host/input/synthetic_gesture_target_aura.cc
