| Index: ui/aura/shared/compound_event_filter.h
|
| ===================================================================
|
| --- ui/aura/shared/compound_event_filter.h (revision 167200)
|
| +++ ui/aura/shared/compound_event_filter.h (working copy)
|
| @@ -1,96 +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.
|
| -
|
| -#ifndef UI_AURA_SHARED_COMPOUND_EVENT_FILTER_H_
|
| -#define UI_AURA_SHARED_COMPOUND_EVENT_FILTER_H_
|
| -
|
| -#include "base/compiler_specific.h"
|
| -#include "base/observer_list.h"
|
| -#include "ui/aura/event_filter.h"
|
| -#include "ui/base/events/event.h"
|
| -#include "ui/gfx/native_widget_types.h"
|
| -#include "ui/views/views_export.h"
|
| -
|
| -namespace ui {
|
| -class GestureEvent;
|
| -class KeyEvent;
|
| -class LocatedEvent;
|
| -class MouseEvent;
|
| -class TouchEvent;
|
| -}
|
| -
|
| -namespace aura {
|
| -class CursorManager;
|
| -class RootWindow;
|
| -
|
| -namespace shared {
|
| -
|
| -// CompoundEventFilter gets all events first and can provide actions to those
|
| -// events. It implements global features such as click to activate a window and
|
| -// cursor change when moving mouse.
|
| -// Additional event filters can be added to CompoundEventFilter. Events will
|
| -// pass through those additional filters in their addition order and could be
|
| -// consumed by any of those filters. If an event is consumed by a filter, the
|
| -// rest of the filter(s) and CompoundEventFilter will not see the consumed
|
| -// event.
|
| -class VIEWS_EXPORT CompoundEventFilter : public EventFilter {
|
| - public:
|
| - CompoundEventFilter();
|
| - virtual ~CompoundEventFilter();
|
| -
|
| - // Returns the cursor for the specified component.
|
| - static gfx::NativeCursor CursorForWindowComponent(int window_component);
|
| -
|
| - // Used to allow a mouse event to show the cursor even when
|
| - // the cursor is hidden by |CursorClient::ShowCursor(false)|.
|
| - void set_cursor_hidden_by_filter(bool cursor_hidden_by_filter) {
|
| - cursor_hidden_by_filter_ = cursor_hidden_by_filter;
|
| - }
|
| -
|
| - // Adds/removes additional event filters. This does not take ownership of
|
| - // the EventFilter.
|
| - // NOTE: EventFilters are deprecated. Use env::AddPreTargetEventHandler etc.
|
| - // instead.
|
| - void AddFilter(EventFilter* filter);
|
| - void RemoveFilter(EventFilter* filter);
|
| -
|
| - private:
|
| - // Updates the cursor if the target provides a custom one, and provides
|
| - // default resize cursors for window edges.
|
| - void UpdateCursor(Window* target, ui::MouseEvent* event);
|
| -
|
| - // Dispatches event to additional filters.
|
| - ui::EventResult FilterKeyEvent(ui::KeyEvent* event);
|
| - ui::EventResult FilterMouseEvent(ui::MouseEvent* event);
|
| - ui::EventResult FilterTouchEvent(ui::TouchEvent* event);
|
| -
|
| - // Sets the visibility of the cursor if the event is not synthesized and
|
| - // 1) it's hiding (show=false) when the cursor is currently shown, or
|
| - // 2) it's showing (show=true) if the cursor is previously hidden
|
| - // by this event filter (see |cursor_hidden_by_filter_|),
|
| - // so that it doesn't change the cursor visibility if the cursor was
|
| - // intentionally hidden by other components.
|
| - void SetCursorVisibilityOnEvent(aura::Window* target,
|
| - ui::Event* event,
|
| - bool show);
|
| -
|
| - // Overridden from ui::EventHandler:
|
| - virtual ui::EventResult OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
|
| - virtual ui::EventResult OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
|
| - virtual ui::EventResult OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
|
| - virtual ui::EventResult OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
|
| - virtual ui::EventResult OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
|
| - // Additional event filters that pre-handles events.
|
| - ObserverList<EventFilter, true> filters_;
|
| -
|
| - // True if the cursur was hidden by the filter.
|
| - bool cursor_hidden_by_filter_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(CompoundEventFilter);
|
| -};
|
| -
|
| -} // namespace shared
|
| -} // namespace aura
|
| -
|
| -#endif // UI_AURA_COMPOUND_EVENT_FILTER_H_
|
|
|