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// Copyright (c) 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 "ui/keyboard/keyboard_util.h"
#include <string>
#include "base/command_line.h"
#include "base/logging.h"
#include "base/strings/string16.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/root_window.h"
#include "ui/base/ime/input_method.h"
#include "ui/base/ime/text_input_client.h"
#include "ui/keyboard/keyboard_switches.h"
namespace keyboard {
bool IsKeyboardEnabled() {
return CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableVirtualKeyboard);
}
bool InsertText(const base::string16& text, aura::RootWindow* root_window) {
if (!root_window)
return false;
// Handle Backspace and Enter specially: using TextInputClient::InsertText is
// very unreliable for these characters.
// TODO(bryeung): remove this code once virtual keyboards are able to send
// these events directly via the Input Injection API.
if (text.length() == 1) {
ui::KeyboardCode code = ui::VKEY_UNKNOWN;
if (text[0] == L'\n')
code = ui::VKEY_RETURN;
else if (text[0] == L'\b')
code = ui::VKEY_BACK;
if (code != ui::VKEY_UNKNOWN) {
ui::KeyEvent press_event(ui::ET_KEY_PRESSED, code, 0, 0);
root_window->AsRootWindowHostDelegate()->OnHostKeyEvent(&press_event);
ui::KeyEvent release_event(ui::ET_KEY_RELEASED, code, 0, 0);
root_window->AsRootWindowHostDelegate()->OnHostKeyEvent(&release_event);
return true;
}
}
ui::InputMethod* input_method = root_window->GetProperty(
aura::client::kRootWindowInputMethodKey);
if (!input_method)
return false;
ui::TextInputClient* tic = input_method->GetTextInputClient();
if (!tic || tic->GetTextInputType() == ui::TEXT_INPUT_TYPE_NONE)
return false;
tic->InsertText(text);
return true;
}
} // namespace keyboard
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