blob: dc3018dc0f901b25985271775e2ef3545494453f [file] [log] [blame]
// 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/ash_export.h"
#include "ash/wm/workspace/multi_window_resize_controller.h"
#include "base/macros.h"
#include "ui/events/event_handler.h"
namespace aura {
class Window;
namespace ui {
class GestureEvent;
class MouseEvent;
namespace ash {
class WorkspaceEventHandlerTestHelper;
namespace wm {
class WindowState;
// Handles events on workspace windows, such as double-click on the resize edge
// to maximize in one dimension.
class ASH_EXPORT WorkspaceEventHandler : public ui::EventHandler {
explicit WorkspaceEventHandler(aura::Window* workspace_window);
~WorkspaceEventHandler() override;
// ui::EventHandler:
void OnMouseEvent(ui::MouseEvent* event) override;
void OnGestureEvent(ui::GestureEvent* event) override;
friend class WorkspaceEventHandlerTestHelper;
// Determines if |event| corresponds to a double click on either the top or
// bottom vertical resize edge, and if so toggles the vertical height of the
// window between its restored state and the full available height of the
// workspace.
void HandleVerticalResizeDoubleClick(wm::WindowState* window_state,
ui::MouseEvent* event);
aura::Window* workspace_window_;
MultiWindowResizeController multi_window_resize_controller_;
// The non-client component for the target of a MouseEvent or GestureEvent.
// Events can be destructive to the window tree, which can cause the
// component of a ui::EF_IS_DOUBLE_CLICK event to no longer be the same as
// that of the initial click. Acting on a double click should only occur for
// matching components. This will be set for left clicks, and tap events.
int click_component_;
} // namespace ash