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) 5c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "ui/views/controls/webview/unhandled_keyboard_event_handler.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/native_web_keyboard_event.h" 9d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/event.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/focus/focus_manager.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::NativeWebKeyboardEvent; 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)namespace views { 15c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UnhandledKeyboardEventHandler::UnhandledKeyboardEventHandler() { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ignore_next_char_event_ = false; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UnhandledKeyboardEventHandler::HandleKeyboardEvent( 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NativeWebKeyboardEvent& event, 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) FocusManager* focus_manager) { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!focus_manager) { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Previous calls to TranslateMessage can generate Char events as well as 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // RawKeyDown events, even if the latter triggered an accelerator. In these 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cases, we discard the Char events. 30f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (event.type == blink::WebInputEvent::Char && ignore_next_char_event_) { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ignore_next_char_event_ = false; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // It's necessary to reset this flag, because a RawKeyDown event may not 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // always generate a Char event. 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ignore_next_char_event_ = false; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 38f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (event.type == blink::WebInputEvent::RawKeyDown) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::Accelerator accelerator( 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<ui::KeyboardCode>(event.windowsKeyCode), 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::GetModifiersFromNativeWebKeyboardEvent(event)); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is tricky: we want to set ignore_next_char_event_ if 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ProcessAccelerator returns true. But ProcessAccelerator might delete 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |this| if the accelerator is a "close tab" one. So we speculatively 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // set the flag and fix it if no event was handled. 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ignore_next_char_event_ = true; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (focus_manager->ProcessAccelerator(accelerator)) { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ProcessAccelerator didn't handle the accelerator, so we know both 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that |this| is still valid, and that we didn't want to set the flag. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ignore_next_char_event_ = false; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Any unhandled keyboard/character messages should be defproced. 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This allows stuff like F10, etc to work correctly. 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!event.os_event) 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const MSG& message(event.os_event->native_event()); 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DefWindowProc(message.hwnd, message.message, message.wParam, message.lParam); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 65c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 66c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} // namespace views 67