11e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// Copyright 2013 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) 160f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles)UnhandledKeyboardEventHandler::UnhandledKeyboardEventHandler() 170f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (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) } 270f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) 280f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // Previous calls to TranslateMessage can generate Char events as well as 290f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // RawKeyDown events, even if the latter triggered an accelerator. In these 300f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // cases, we discard the Char events. 31f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (event.type == blink::WebInputEvent::Char && ignore_next_char_event_) { 320f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) ignore_next_char_event_ = false; 330f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) return; 340f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) } 350f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // It's necessary to reset this flag, because a RawKeyDown event may not 360f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // always generate a Char event. 370f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) ignore_next_char_event_ = false; 380f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) 39f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (event.type == blink::WebInputEvent::RawKeyDown) { 400f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) ui::Accelerator accelerator( 410f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) static_cast<ui::KeyboardCode>(event.windowsKeyCode), 420f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) content::GetModifiersFromNativeWebKeyboardEvent(event)); 430f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) 440f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // This is tricky: we want to set ignore_next_char_event_ if 450f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // ProcessAccelerator returns true. But ProcessAccelerator might delete 460f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // |this| if the accelerator is a "close tab" one. So we speculatively 470f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // set the flag and fix it if no event was handled. 480f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) ignore_next_char_event_ = true; 490f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) 500f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) if (focus_manager->ProcessAccelerator(accelerator)) { 510f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) return; 520f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) } 530f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) 540f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // ProcessAccelerator didn't handle the accelerator, so we know both 550f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) // that |this| is still valid, and that we didn't want to set the flag. 560f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) ignore_next_char_event_ = false; 570f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) } 580f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (event.os_event && !event.skip_in_browser) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) focus_manager->OnKeyEvent(*static_cast<ui::KeyEvent*>(event.os_event)); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 62c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 63c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} // namespace views 64