| // Copyright 2013 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/events/keyboard_driven_event_rewriter.h" |
| |
| #include "ash/session/session_controller.h" |
| #include "ash/shell.h" |
| #include "ui/chromeos/events/event_rewriter_chromeos.h" |
| #include "ui/events/event.h" |
| #include "ui/events/event_utils.h" |
| |
| namespace ash { |
| |
| KeyboardDrivenEventRewriter::KeyboardDrivenEventRewriter() = default; |
| |
| KeyboardDrivenEventRewriter::~KeyboardDrivenEventRewriter() = default; |
| |
| ui::EventRewriteStatus KeyboardDrivenEventRewriter::RewriteForTesting( |
| const ui::Event& event, |
| std::unique_ptr<ui::Event>* rewritten_event) { |
| return Rewrite(event, rewritten_event); |
| } |
| |
| ui::EventRewriteStatus KeyboardDrivenEventRewriter::RewriteEvent( |
| const ui::Event& event, |
| std::unique_ptr<ui::Event>* rewritten_event) { |
| if (!enabled_ || |
| Shell::Get()->session_controller()->IsActiveUserSessionStarted()) { |
| return ui::EVENT_REWRITE_CONTINUE; |
| } |
| |
| return Rewrite(event, rewritten_event); |
| } |
| |
| ui::EventRewriteStatus KeyboardDrivenEventRewriter::NextDispatchEvent( |
| const ui::Event& last_event, |
| std::unique_ptr<ui::Event>* new_event) { |
| NOTREACHED(); |
| return ui::EVENT_REWRITE_CONTINUE; |
| } |
| |
| ui::EventRewriteStatus KeyboardDrivenEventRewriter::Rewrite( |
| const ui::Event& event, |
| std::unique_ptr<ui::Event>* rewritten_event) { |
| int flags = event.flags(); |
| const int kModifierMask = ui::EF_SHIFT_DOWN; |
| if ((flags & kModifierMask) != kModifierMask) |
| return ui::EVENT_REWRITE_CONTINUE; |
| |
| DCHECK(event.type() == ui::ET_KEY_PRESSED || |
| event.type() == ui::ET_KEY_RELEASED) |
| << "Unexpected event type " << event.type(); |
| const ui::KeyEvent& key_event = static_cast<const ui::KeyEvent&>(event); |
| ui::KeyboardCode key_code = key_event.key_code(); |
| |
| if (key_code != ui::VKEY_LEFT && key_code != ui::VKEY_RIGHT && |
| key_code != ui::VKEY_UP && key_code != ui::VKEY_DOWN && |
| key_code != ui::VKEY_RETURN && key_code != ui::VKEY_F6) { |
| return ui::EVENT_REWRITE_CONTINUE; |
| } |
| |
| ui::EventRewriterChromeOS::MutableKeyState state = { |
| flags & ~(ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN | ui::EF_SHIFT_DOWN), |
| key_event.code(), key_event.GetDomKey(), key_event.key_code()}; |
| |
| if (arrow_to_tab_rewriting_enabled_) { |
| if (key_code == ui::VKEY_LEFT || key_code == ui::VKEY_RIGHT || |
| key_code == ui::VKEY_UP || key_code == ui::VKEY_DOWN) { |
| const ui::KeyEvent tab_event(ui::ET_KEY_PRESSED, ui::VKEY_TAB, |
| ui::EF_NONE); |
| state.code = tab_event.code(); |
| state.key = tab_event.GetDomKey(); |
| state.key_code = tab_event.key_code(); |
| if (key_code == ui::VKEY_LEFT || key_code == ui::VKEY_UP) |
| state.flags |= ui::EF_SHIFT_DOWN; |
| } |
| } |
| |
| ui::EventRewriterChromeOS::BuildRewrittenKeyEvent(key_event, state, |
| rewritten_event); |
| return ui::EVENT_REWRITE_REWRITTEN; |
| } |
| |
| } // namespace ash |