2 * Copyright 2012-2013 Samsung Electronics Co., Ltd.
4 * Licensed under the Flora License, Version 1.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://floralicense.org/license/
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include "sclresourcecache.h"
19 #include "scleventhandler.h"
21 #include "sclkeydefines.h"
22 #include "scluiimpl.h"
26 CSCLEventHandler* CSCLEventHandler::m_instance = NULL; /* For singleton */
28 CSCLEventHandler::CSCLEventHandler()
32 m_default_event_callback = NULL;
33 m_cur_input_mode_event_callback = NULL;
36 CSCLEventHandler::~CSCLEventHandler()
42 CSCLEventHandler::get_instance()
45 m_instance = new CSCLEventHandler();
47 return (CSCLEventHandler*)m_instance;
50 static void handle_shift_button_click_event(SclUIEventDesc ui_event_desc)
52 CSCLUIImpl *uiimpl = CSCLUIImpl::get_instance();
53 CSCLContext *context = CSCLContext::get_instance();
55 if (uiimpl && context) {
56 if (ui_event_desc.key_type == KEY_TYPE_CONTROL && ui_event_desc.key_event == MVK_Shift_L) {
57 switch (uiimpl->get_shift_state()) {
58 case SCL_SHIFT_STATE_OFF: {
59 uiimpl->set_shift_state(SCL_SHIFT_STATE_ON);
62 case SCL_SHIFT_STATE_ON: {
63 /* The default next state should be LOCK state */
64 SCLShiftState next_state = SCL_SHIFT_STATE_LOCK;
65 if (context->get_shift_multi_touch_enabled()) {
66 CSCLContext *context = CSCLContext::get_instance();
68 if (context->get_shift_multi_touch_state() == SCL_SHIFT_MULTITOUCH_ON_PRESSED) {
69 /* If the shift multi touch state is ON_PRESSED, don't leave ON state now */
70 next_state = SCL_SHIFT_STATE_ON;
71 } else if (context->get_shift_multi_touch_state() == SCL_SHIFT_MULTITOUCH_ON_KEY_ENTERED) {
72 /* If some keys were already entered while shift key was in pressed state, move to OFF */
73 next_state = SCL_SHIFT_STATE_OFF;
77 uiimpl->set_shift_state(next_state);
80 case SCL_SHIFT_STATE_LOCK: {
81 uiimpl->set_shift_state(SCL_SHIFT_STATE_OFF);
89 static void handle_shift_state_on_button_click_event(SclUIEventDesc ui_event_desc)
91 CSCLUIImpl *uiimpl = CSCLUIImpl::get_instance();
92 CSCLContext *context = CSCLContext::get_instance();
94 if (uiimpl && context) {
95 sclboolean turn_shift_off = TRUE;
96 if (ui_event_desc.key_type == KEY_TYPE_CONTROL) {
97 if (ui_event_desc.key_event == MVK_Shift_L || ui_event_desc.key_event == MVK_Caps_Lock) {
98 turn_shift_off = FALSE;
100 if (ui_event_desc.key_type == KEY_TYPE_MODECHANGE) {
101 turn_shift_off = FALSE;
103 if (uiimpl->get_caps_mode()) {
104 turn_shift_off = FALSE;
107 /* If we are in ON_PRESSED or ON_KEY_ENTERED mode of shift multi touch state, do not turn it off now */
108 if (context->get_shift_multi_touch_enabled() && turn_shift_off) {
109 CSCLContext *context = CSCLContext::get_instance();
111 if (context->get_shift_multi_touch_state() == SCL_SHIFT_MULTITOUCH_ON_PRESSED) {
112 context->set_shift_multi_touch_state(SCL_SHIFT_MULTITOUCH_ON_KEY_ENTERED);
113 turn_shift_off = FALSE;
114 } else if (context->get_shift_multi_touch_state() == SCL_SHIFT_MULTITOUCH_ON_KEY_ENTERED) {
115 turn_shift_off = FALSE;
119 if (turn_shift_off) {
120 if (uiimpl->get_shift_state() == SCL_SHIFT_STATE_ON) {
121 uiimpl->set_shift_state(SCL_SHIFT_STATE_OFF);
127 static void handle_mode_change_button_click_event(SclUIEventDesc ui_event_desc)
129 CSCLUIImpl *uiimpl = CSCLUIImpl::get_instance();
132 if (ui_event_desc.key_type == KEY_TYPE_MODECHANGE) {
133 uiimpl->set_input_mode(ui_event_desc.key_value);
139 CSCLEventHandler::on_event_key_clicked(SclUIEventDesc ui_event_desc)
141 SCLEventReturnType ret = SCL_EVENT_PASS_ON;
143 pre_process_ui_event(ui_event_desc);
145 if (m_cur_input_mode_event_callback) {
146 ret = m_cur_input_mode_event_callback->on_event_key_clicked(ui_event_desc);
148 if (ret == SCL_EVENT_PASS_ON) {
149 if (m_default_event_callback) {
150 ret = m_default_event_callback->on_event_key_clicked(ui_event_desc);
154 if (ret == SCL_EVENT_PASS_ON) {
155 /* Here we can put the fallback processing of this UIEvent */
157 /* General requirement - 1 */
158 /* When the SHIFT button was clicked, we change the shift state to OFF -> ON -> LOCK -> OFF ... */
159 handle_shift_button_click_event(ui_event_desc);
161 /* General requirement - 2 */
162 /* If a key was clicked but it is neither a SHIFT nor a CAPSLOCK, we just turn the shift off, if it is on */
163 handle_shift_state_on_button_click_event(ui_event_desc);
165 /* General requirement - 3 */
166 /* If the key type is KEY_TYPE_MODECHANGE, change the current input mode to given key_value */
167 handle_mode_change_button_click_event(ui_event_desc);
174 CSCLEventHandler::on_event_drag_state_changed(SclUIEventDesc ui_event_desc)
176 SCLEventReturnType ret = SCL_EVENT_PASS_ON;
178 pre_process_ui_event(ui_event_desc);
180 if (m_cur_input_mode_event_callback) {
181 ret = m_cur_input_mode_event_callback->on_event_drag_state_changed(ui_event_desc);
183 if (ret == SCL_EVENT_PASS_ON) {
184 if (m_default_event_callback) {
185 ret = m_default_event_callback->on_event_drag_state_changed(ui_event_desc);
189 if (ret == SCL_EVENT_PASS_ON) {
190 /* Here we can put the fallback processing of this UIEvent */
191 CSCLUIImpl *uiimpl = CSCLUIImpl::get_instance();
192 CSCLContext *context = CSCLContext::get_instance();
194 /* General requirement - 1 */
195 /* When the SHIFT button was 'pressed' and shift button multitouch action is enabled,
196 we change the current shift multitouch state to 'ON_PRESSED' */
197 if (uiimpl && context) {
198 if (context->get_shift_multi_touch_enabled()) {
199 if (ui_event_desc.event_type == EVENT_TYPE_PRESS) {
201 if (ui_event_desc.key_event == MVK_Shift_L) {
202 if (context->get_shift_multi_touch_state() == SCL_SHIFT_MULTITOUCH_OFF) {
203 uiimpl->set_shift_state(SCL_SHIFT_STATE_ON);
204 context->set_shift_multi_touch_state(SCL_SHIFT_MULTITOUCH_ON_PRESSED);
217 CSCLEventHandler::on_event_notification(SCLUINotiType noti_type, sclint etc_info)
219 SCLEventReturnType ret = SCL_EVENT_PASS_ON;
221 if (m_cur_input_mode_event_callback) {
222 ret = m_cur_input_mode_event_callback->on_event_notification(noti_type, etc_info);
224 if (ret == SCL_EVENT_PASS_ON) {
225 if (m_default_event_callback) {
226 ret = m_default_event_callback->on_event_notification(noti_type, etc_info);
230 if (ret == SCL_EVENT_PASS_ON) {
231 /* Here we can put the fallback processing of this UIEvent */
238 CSCLEventHandler::set_input_mode(const sclchar *input_mode)
242 sclboolean ret = FALSE;
243 m_cur_input_mode_event_callback = NULL;
246 std::string id = input_mode;
247 std::map<std::string, ISCLUIEventCallback*>::iterator iter = m_input_mode_event_callbacks.find(input_mode);
248 if (iter != m_input_mode_event_callbacks.end()) {
249 m_cur_input_mode_event_callback = (iter->second);
253 if (m_cur_input_mode_event_callback) {
261 CSCLEventHandler::set_event_callback(ISCLUIEventCallback *callback, const sclchar *input_mode)
265 scl_assert_return(callback);
268 std::string id = input_mode;
269 m_input_mode_event_callbacks[id] = callback;
271 m_default_event_callback = callback;
276 CSCLEventHandler::pre_process_ui_event(SclUIEventDesc &ui_event_desc)
281 const sclchar *key_value;
283 } KEY_VALUE_EVENT_CONVERT_TABLE;
285 KEY_VALUE_EVENT_CONVERT_TABLE control_keys[] = {
286 {"Space", MVK_space },
287 {"BackSpace", MVK_BackSpace },
288 {"Shift", MVK_Shift_L },
289 {"CapsLock", MVK_Caps_Lock },
290 {"Enter", MVK_Return },
292 {"Right", MVK_Right },
297 /* Translate key_values only when key_event is 0 and key_value is not NULL */
298 if (ui_event_desc.key_value && ui_event_desc.key_event == 0) {
299 if (ui_event_desc.key_type == KEY_TYPE_CHAR) {
300 /* If the key_value is a string with length 1, and the first character has value between
301 SCL_ISCHAR range, provide the corresponding ASCII code in key_event field */
302 if (ui_event_desc.key_value[0] != '\0' && ui_event_desc.key_value[1] == '\0') {
303 if (SCL_ISCHAR(ui_event_desc.key_value[0])) {
304 ui_event_desc.key_event = ui_event_desc.key_value[0];
307 } else if (ui_event_desc.key_type == KEY_TYPE_CONTROL) {
308 const scluint control_keys_size = sizeof(control_keys) / sizeof(KEY_VALUE_EVENT_CONVERT_TABLE);
310 for (scluint loop = 0;loop < control_keys_size;loop++) {
311 if (strncmp(control_keys[loop].key_value, ui_event_desc.key_value, strlen(control_keys[loop].key_value)) == 0) {
312 ui_event_desc.key_event = control_keys[loop].key_event;
315 } else if (ui_event_desc.key_type == KEY_TYPE_STRING) {
316 CSCLResourceCache *cache = CSCLResourceCache::get_instance();
318 ui_event_desc.key_value = cache->find_substituted_string(ui_event_desc.key_value);