blob: 21f8a414675cb68d3d8cbe629eeff539e15c3cae [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/accelerators/accelerator_filter.h"
#include "ash/accelerators/accelerator_controller.h"
#include "ash/shell.h"
#include "ui/aura/event.h"
#include "ui/aura/root_window.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/accelerators/accelerator_manager.h"
namespace {
const int kModifierFlagMask = (ui::EF_SHIFT_DOWN |
ui::EF_CONTROL_DOWN |
ui::EF_ALT_DOWN);
// Returns true if an Ash accelerator should be processed now.
bool ShouldProcessAcceleratorsNow(aura::Window* target) {
if (!target)
return true;
if (target == ash::Shell::GetPrimaryRootWindow())
return true;
// Unless |target| is the root window, return false to let the custom focus
// manager (see ash/shell.cc) handle Ash accelerators.
return false;
}
} // namespace
namespace ash {
namespace internal {
////////////////////////////////////////////////////////////////////////////////
// AcceleratorFilter, public:
AcceleratorFilter::AcceleratorFilter() {
}
AcceleratorFilter::~AcceleratorFilter() {
}
////////////////////////////////////////////////////////////////////////////////
// AcceleratorFilter, EventFilter implementation:
bool AcceleratorFilter::PreHandleKeyEvent(aura::Window* target,
aura::KeyEvent* event) {
const ui::EventType type = event->type();
if (type != ui::ET_KEY_PRESSED && type != ui::ET_KEY_RELEASED)
return false;
if (event->is_char())
return false;
if (!ShouldProcessAcceleratorsNow(target))
return false;
ui::Accelerator accelerator(event->key_code(),
event->flags() & kModifierFlagMask);
accelerator.set_type(type);
return Shell::GetInstance()->accelerator_controller()->Process(accelerator);
}
bool AcceleratorFilter::PreHandleMouseEvent(aura::Window* target,
aura::MouseEvent* event) {
return false;
}
ui::TouchStatus AcceleratorFilter::PreHandleTouchEvent(
aura::Window* target,
aura::TouchEvent* event) {
return ui::TOUCH_STATUS_UNKNOWN;
}
ui::GestureStatus AcceleratorFilter::PreHandleGestureEvent(
aura::Window* target,
aura::GestureEvent* event) {
return ui::GESTURE_STATUS_UNKNOWN;
}
} // namespace internal
} // namespace ash