blob: 572f4e01b18839a151349f6831aa59476c917bbb [file] [log] [blame]
// Copyright 2018 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 "base/macros.h"
#include <vector>
namespace blink {
class WebGestureEvent;
class WebMouseEvent;
class WebMouseWheelEvent;
class WebTouchEvent;
} // namespace blink
namespace ui {
class LatencyInfo;
} // namespace ui
namespace content {
namespace mojom {
class RenderWidgetHostNSViewClient;
} // namespace mojom
struct EditCommand;
struct NativeWebKeyboardEvent;
// An interface through which the NSView for a RenderWidgetHostViewMac is to
// communicate with the RenderWidgetHostViewMac (potentially in another
// process). Unlike mojom::RenderWidgetHostNSViewClient, this object is always
// instantiated in the local process. This is to implement functions that
// cannot be sent across mojo or to avoid unnecessary translation of event
// types.
class RenderWidgetHostNSViewClientHelper {
RenderWidgetHostNSViewClientHelper() {}
virtual ~RenderWidgetHostNSViewClientHelper() {}
// Return the RenderWidget's BrowserAccessibilityManager's root accessibility
// node.
virtual id GetRootBrowserAccessibilityElement() = 0;
// Return the currently focused accessibility element.
virtual id GetFocusedBrowserAccessibilityElement() = 0;
// Set the NSWindow that will be the accessibility parent of the NSView.
virtual void SetAccessibilityWindow(NSWindow* window) = 0;
// Forward a keyboard event to the RenderWidgetHost that is currently handling
// the key-down event.
virtual void ForwardKeyboardEvent(const NativeWebKeyboardEvent& key_event,
const ui::LatencyInfo& latency_info) = 0;
virtual void ForwardKeyboardEventWithCommands(
const NativeWebKeyboardEvent& key_event,
const ui::LatencyInfo& latency_info,
const std::vector<EditCommand>& commands) = 0;
// Forward events to the renderer or the input router, as appropriate.
virtual void RouteOrProcessMouseEvent(
const blink::WebMouseEvent& web_event) = 0;
virtual void RouteOrProcessTouchEvent(
const blink::WebTouchEvent& web_event) = 0;
virtual void RouteOrProcessWheelEvent(
const blink::WebMouseWheelEvent& web_event) = 0;
// Special case forwarding of synthetic events to the renderer.
virtual void ForwardMouseEvent(const blink::WebMouseEvent& web_event) = 0;
virtual void ForwardWheelEvent(
const blink::WebMouseWheelEvent& web_event) = 0;
// Handling pinch gesture events.
virtual void GestureBegin(blink::WebGestureEvent begin_event,
bool is_synthetically_injected) = 0;
virtual void GestureUpdate(blink::WebGestureEvent update_event) = 0;
virtual void GestureEnd(blink::WebGestureEvent end_event) = 0;
virtual void SmartMagnify(
const blink::WebGestureEvent& smart_magnify_event) = 0;
} // namespace content