15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/wm/overlay_event_filter.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/wm/partial_screenshot_view.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window_delegate.h" 10d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/event.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/widget/widget.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ash { 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace internal { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)OverlayEventFilter::OverlayEventFilter() 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : delegate_(NULL) { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)OverlayEventFilter::~OverlayEventFilter() { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_ = NULL; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void OverlayEventFilter::OnKeyEvent(ui::KeyEvent* event) { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_) 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Do not consume a translated key event which is generated by an IME (e.g., 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ui::VKEY_PROCESSKEY) since the key event is generated in response to a key 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // press or release before showing the ovelay. This is important not to 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // confuse key event handling JavaScript code in a page. 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (event->type() == ui::ET_TRANSLATED_KEY_PRESS || 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event->type() == ui::ET_TRANSLATED_KEY_RELEASE) { 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_ && delegate_->IsCancelingKeyEvent(event)) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Cancel(); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 40d57369da7c6519fef57db42085f7b42d4c8845c1Torne (Richard Coles) // Pass key events only when they are sent to a child of the delegate's 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // window. 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* target = static_cast<aura::Window*>(event->target()); 43d57369da7c6519fef57db42085f7b42d4c8845c1Torne (Richard Coles) if (!delegate_ || !delegate_->GetWindow() || 44d57369da7c6519fef57db42085f7b42d4c8845c1Torne (Richard Coles) !delegate_->GetWindow()->Contains(target)) 45d57369da7c6519fef57db42085f7b42d4c8845c1Torne (Richard Coles) event->StopPropagation(); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void OverlayEventFilter::OnLoginStateChanged( 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) user::LoginStatus status) { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Cancel(); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void OverlayEventFilter::OnAppTerminating() { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Cancel(); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void OverlayEventFilter::OnLockStateChanged(bool locked) { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Cancel(); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void OverlayEventFilter::Activate(Delegate* delegate) { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_ = delegate; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void OverlayEventFilter::Deactivate() { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_ = NULL; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void OverlayEventFilter::Cancel() { 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->Cancel(); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace internal 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ash 75