| // 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 "ui/views/controls/webview/unhandled_keyboard_event_handler.h" |
| |
| #include "content/public/browser/native_web_keyboard_event.h" |
| #include "ui/views/focus/focus_manager.h" |
| |
| namespace views { |
| |
| UnhandledKeyboardEventHandler::UnhandledKeyboardEventHandler() |
| : ignore_next_char_event_(false) { |
| } |
| |
| UnhandledKeyboardEventHandler::~UnhandledKeyboardEventHandler() { |
| } |
| |
| void UnhandledKeyboardEventHandler::HandleKeyboardEvent( |
| const content::NativeWebKeyboardEvent& event, |
| FocusManager* focus_manager) { |
| if (!focus_manager) { |
| NOTREACHED(); |
| return; |
| } |
| // Previous calls to TranslateMessage can generate Char events as well as |
| // RawKeyDown events, even if the latter triggered an accelerator. In these |
| // cases, we discard the Char events. |
| if (event.type == blink::WebInputEvent::Char && ignore_next_char_event_) { |
| ignore_next_char_event_ = false; |
| return; |
| } |
| // It's necessary to reset this flag, because a RawKeyDown event may not |
| // always generate a Char event. |
| ignore_next_char_event_ = false; |
| |
| if (event.type == blink::WebInputEvent::RawKeyDown) { |
| ui::Accelerator accelerator( |
| static_cast<ui::KeyboardCode>(event.windowsKeyCode), |
| content::GetModifiersFromNativeWebKeyboardEvent(event)); |
| |
| // This is tricky: we want to set ignore_next_char_event_ if |
| // ProcessAccelerator returns true. But ProcessAccelerator might delete |
| // |this| if the accelerator is a "close tab" one. So we speculatively |
| // set the flag and fix it if no event was handled. |
| ignore_next_char_event_ = true; |
| |
| if (focus_manager->ProcessAccelerator(accelerator)) { |
| return; |
| } |
| |
| // ProcessAccelerator didn't handle the accelerator, so we know both |
| // that |this| is still valid, and that we didn't want to set the flag. |
| ignore_next_char_event_ = false; |
| } |
| |
| if (event.os_event && !event.skip_in_browser) |
| HandleNativeKeyboardEvent(event.os_event, focus_manager); |
| } |
| |
| } // namespace views |