Index: ui/aura_shell/desktop_event_filter.cc |
=================================================================== |
--- ui/aura_shell/desktop_event_filter.cc (revision 113260) |
+++ ui/aura_shell/desktop_event_filter.cc (working copy) |
@@ -1,163 +0,0 @@ |
-// Copyright (c) 2011 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 "ui/aura_shell/desktop_event_filter.h" |
- |
-#include "ui/aura/desktop.h" |
-#include "ui/aura/event.h" |
-#include "ui/aura/focus_manager.h" |
-#include "ui/aura/window_delegate.h" |
-#include "ui/aura_shell/shell.h" |
-#include "ui/aura_shell/stacking_controller.h" |
-#include "ui/base/hit_test.h" |
- |
-namespace aura_shell { |
-namespace internal { |
- |
-// Returns the default cursor for a window component. |
-gfx::NativeCursor CursorForWindowComponent(int window_component) { |
- switch (window_component) { |
- case HTBOTTOM: |
- return aura::kCursorSouthResize; |
- case HTBOTTOMLEFT: |
- return aura::kCursorSouthWestResize; |
- case HTBOTTOMRIGHT: |
- return aura::kCursorSouthEastResize; |
- case HTLEFT: |
- return aura::kCursorWestResize; |
- case HTRIGHT: |
- return aura::kCursorEastResize; |
- case HTTOP: |
- return aura::kCursorNorthResize; |
- case HTTOPLEFT: |
- return aura::kCursorNorthWestResize; |
- case HTTOPRIGHT: |
- return aura::kCursorNorthEastResize; |
- default: |
- return aura::kCursorNull; |
- } |
-} |
- |
-//////////////////////////////////////////////////////////////////////////////// |
-// DesktopEventFilter, public: |
- |
-DesktopEventFilter::DesktopEventFilter() |
- : EventFilter(aura::Desktop::GetInstance()) { |
-} |
- |
-DesktopEventFilter::~DesktopEventFilter() { |
- // Additional filters are not owned by DesktopEventFilter and they |
- // should all be removed when running here. |filters_| has |
- // check_empty == true and will DCHECK failure if it is not empty. |
-} |
- |
-void DesktopEventFilter::AddFilter(aura::EventFilter* filter) { |
- filters_.AddObserver(filter); |
-} |
- |
-void DesktopEventFilter::RemoveFilter(aura::EventFilter* filter) { |
- filters_.RemoveObserver(filter); |
-} |
- |
-//////////////////////////////////////////////////////////////////////////////// |
-// DesktopEventFilter, EventFilter implementation: |
- |
-bool DesktopEventFilter::PreHandleKeyEvent(aura::Window* target, |
- aura::KeyEvent* event) { |
- return FilterKeyEvent(target, event); |
-} |
- |
-bool DesktopEventFilter::PreHandleMouseEvent(aura::Window* target, |
- aura::MouseEvent* event) { |
- // We must always update the cursor, otherwise the cursor can get stuck if an |
- // event filter registered with us consumes the event. |
- if (event->type() == ui::ET_MOUSE_MOVED) |
- UpdateCursor(target, event); |
- |
- if (FilterMouseEvent(target, event)) |
- return true; |
- |
- if (event->type() == ui::ET_MOUSE_PRESSED) |
- ActivateIfNecessary(target, event); |
- |
- return false; |
-} |
- |
-ui::TouchStatus DesktopEventFilter::PreHandleTouchEvent( |
- aura::Window* target, |
- aura::TouchEvent* event) { |
- ui::TouchStatus status = FilterTouchEvent(target, event); |
- if (status != ui::TOUCH_STATUS_UNKNOWN) |
- return status; |
- |
- if (event->type() == ui::ET_TOUCH_PRESSED) |
- ActivateIfNecessary(target, event); |
- return ui::TOUCH_STATUS_UNKNOWN; |
-} |
- |
-//////////////////////////////////////////////////////////////////////////////// |
-// DesktopEventFilter, private: |
- |
-void DesktopEventFilter::ActivateIfNecessary(aura::Window* window, |
- aura::Event* event) { |
- aura::Window* activatable = StackingController::GetActivatableWindow(window); |
- if (activatable == aura::Desktop::GetInstance()->active_window()) { |
- // |window| is a descendant of the active window, no need to activate. |
- window->GetFocusManager()->SetFocusedWindow(window); |
- } else { |
- aura::Desktop::GetInstance()->SetActiveWindow(activatable, window); |
- } |
-} |
- |
-void DesktopEventFilter::UpdateCursor(aura::Window* target, |
- aura::MouseEvent* event) { |
- gfx::NativeCursor cursor = target->GetCursor(event->location()); |
- if (event->flags() & ui::EF_IS_NON_CLIENT) { |
- int window_component = |
- target->delegate()->GetNonClientComponent(event->location()); |
- cursor = CursorForWindowComponent(window_component); |
- } |
- aura::Desktop::GetInstance()->SetCursor(cursor); |
-} |
- |
-bool DesktopEventFilter::FilterKeyEvent(aura::Window* target, |
- aura::KeyEvent* event) { |
- bool handled = false; |
- if (filters_.might_have_observers()) { |
- ObserverListBase<aura::EventFilter>::Iterator it(filters_); |
- aura::EventFilter* filter; |
- while (!handled && (filter = it.GetNext()) != NULL) |
- handled = filter->PreHandleKeyEvent(target, event); |
- } |
- return handled; |
-} |
- |
-bool DesktopEventFilter::FilterMouseEvent(aura::Window* target, |
- aura::MouseEvent* event) { |
- bool handled = false; |
- if (filters_.might_have_observers()) { |
- ObserverListBase<aura::EventFilter>::Iterator it(filters_); |
- aura::EventFilter* filter; |
- while (!handled && (filter = it.GetNext()) != NULL) |
- handled = filter->PreHandleMouseEvent(target, event); |
- } |
- return handled; |
-} |
- |
-ui::TouchStatus DesktopEventFilter::FilterTouchEvent(aura::Window* target, |
- aura::TouchEvent* event) { |
- ui::TouchStatus status = ui::TOUCH_STATUS_UNKNOWN; |
- if (filters_.might_have_observers()) { |
- ObserverListBase<aura::EventFilter>::Iterator it(filters_); |
- aura::EventFilter* filter; |
- while (status == ui::TOUCH_STATUS_UNKNOWN && |
- (filter = it.GetNext()) != NULL) { |
- status = filter->PreHandleTouchEvent(target, event); |
- } |
- } |
- return status; |
-} |
- |
-} // namespace internal |
-} // namespace aura_shell |