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 (uiimpl->get_caps_mode()) {
97 turn_shift_off = FALSE;
99 if (ui_event_desc.key_type == KEY_TYPE_CONTROL) {
100 if (ui_event_desc.key_event == MVK_Shift_L || ui_event_desc.key_event == MVK_Caps_Lock) {
101 turn_shift_off = FALSE;
103 if (ui_event_desc.key_type == KEY_TYPE_MODECHANGE) {
104 turn_shift_off = FALSE;
108 /* If we are in ON_PRESSED or ON_KEY_ENTERED mode of shift multi touch state, do not turn it off now */
109 if (context->get_shift_multi_touch_enabled() && turn_shift_off) {
110 CSCLContext *context = CSCLContext::get_instance();
112 if (context->get_shift_multi_touch_state() == SCL_SHIFT_MULTITOUCH_ON_PRESSED) {
113 context->set_shift_multi_touch_state(SCL_SHIFT_MULTITOUCH_ON_KEY_ENTERED);
114 turn_shift_off = FALSE;
115 } else if (context->get_shift_multi_touch_state() == SCL_SHIFT_MULTITOUCH_ON_KEY_ENTERED) {
116 turn_shift_off = FALSE;
120 if (turn_shift_off) {
121 if (uiimpl->get_shift_state() == SCL_SHIFT_STATE_ON) {
122 uiimpl->set_shift_state(SCL_SHIFT_STATE_OFF);
128 static void handle_mode_change_button_click_event(SclUIEventDesc ui_event_desc)
130 CSCLUIImpl *uiimpl = CSCLUIImpl::get_instance();
133 if (ui_event_desc.key_type == KEY_TYPE_MODECHANGE) {
134 uiimpl->set_input_mode(ui_event_desc.key_value);
140 CSCLEventHandler::on_event_key_clicked(SclUIEventDesc ui_event_desc)
142 SCLEventReturnType ret = SCL_EVENT_PASS_ON;
144 pre_process_ui_event(ui_event_desc);
146 if (m_cur_input_mode_event_callback) {
147 ret = m_cur_input_mode_event_callback->on_event_key_clicked(ui_event_desc);
149 if (ret == SCL_EVENT_PASS_ON) {
150 if (m_default_event_callback) {
151 ret = m_default_event_callback->on_event_key_clicked(ui_event_desc);
155 if (ret == SCL_EVENT_PASS_ON) {
156 /* Here we can put the fallback processing of this UIEvent */
158 /* General requirement - 1 */
159 /* When the SHIFT button was clicked, we change the shift state to OFF -> ON -> LOCK -> OFF ... */
160 handle_shift_button_click_event(ui_event_desc);
162 /* General requirement - 2 */
163 /* If a key was clicked but it is neither a SHIFT nor a CAPSLOCK, we just turn the shift off, if it is on */
164 handle_shift_state_on_button_click_event(ui_event_desc);
166 /* General requirement - 3 */
167 /* If the key type is KEY_TYPE_MODECHANGE, change the current input mode to given key_value */
168 handle_mode_change_button_click_event(ui_event_desc);
175 CSCLEventHandler::on_event_drag_state_changed(SclUIEventDesc ui_event_desc)
177 SCLEventReturnType ret = SCL_EVENT_PASS_ON;
179 pre_process_ui_event(ui_event_desc);
181 if (m_cur_input_mode_event_callback) {
182 ret = m_cur_input_mode_event_callback->on_event_drag_state_changed(ui_event_desc);
184 if (ret == SCL_EVENT_PASS_ON) {
185 if (m_default_event_callback) {
186 ret = m_default_event_callback->on_event_drag_state_changed(ui_event_desc);
190 if (ret == SCL_EVENT_PASS_ON) {
191 /* Here we can put the fallback processing of this UIEvent */
192 CSCLUIImpl *uiimpl = CSCLUIImpl::get_instance();
193 CSCLContext *context = CSCLContext::get_instance();
195 /* General requirement - 1 */
196 /* When the SHIFT button was 'pressed' and shift button multitouch action is enabled,
197 we change the current shift multitouch state to 'ON_PRESSED' */
198 if (uiimpl && context) {
199 if (context->get_shift_multi_touch_enabled()) {
200 if (ui_event_desc.event_type == EVENT_TYPE_PRESS) {
202 if (ui_event_desc.key_event == MVK_Shift_L) {
203 if (context->get_shift_multi_touch_state() == SCL_SHIFT_MULTITOUCH_OFF) {
204 uiimpl->set_shift_state(SCL_SHIFT_STATE_ON);
205 context->set_shift_multi_touch_state(SCL_SHIFT_MULTITOUCH_ON_PRESSED);
218 CSCLEventHandler::on_event_notification(SCLUINotiType noti_type, sclint etc_info)
220 SCLEventReturnType ret = SCL_EVENT_PASS_ON;
222 if (m_cur_input_mode_event_callback) {
223 ret = m_cur_input_mode_event_callback->on_event_notification(noti_type, etc_info);
225 if (ret == SCL_EVENT_PASS_ON) {
226 if (m_default_event_callback) {
227 ret = m_default_event_callback->on_event_notification(noti_type, etc_info);
231 if (ret == SCL_EVENT_PASS_ON) {
232 /* Here we can put the fallback processing of this UIEvent */
239 CSCLEventHandler::set_input_mode(const sclchar *input_mode)
243 sclboolean ret = FALSE;
244 m_cur_input_mode_event_callback = NULL;
247 std::string id = input_mode;
248 std::map<std::string, ISCLUIEventCallback*>::iterator iter = m_input_mode_event_callbacks.find(input_mode);
249 if (iter != m_input_mode_event_callbacks.end()) {
250 m_cur_input_mode_event_callback = (iter->second);
254 if (m_cur_input_mode_event_callback) {
262 CSCLEventHandler::set_event_callback(ISCLUIEventCallback *callback, const sclchar *input_mode)
266 scl_assert_return(callback);
269 std::string id = input_mode;
270 m_input_mode_event_callbacks[id] = callback;
272 m_default_event_callback = callback;
277 CSCLEventHandler::pre_process_ui_event(SclUIEventDesc &ui_event_desc)
282 const sclchar *key_value;
284 } KEY_VALUE_EVENT_CONVERT_TABLE;
286 KEY_VALUE_EVENT_CONVERT_TABLE control_keys[] = {
287 {"Space", MVK_space },
288 {"BackSpace", MVK_BackSpace },
289 {"Shift", MVK_Shift_L },
290 {"CapsLock", MVK_Caps_Lock },
291 {"Enter", MVK_Return },
293 {"Right", MVK_Right },
298 /* Translate key_values only when key_event is 0 and key_value is not NULL */
299 if (ui_event_desc.key_value && ui_event_desc.key_event == 0) {
300 if (ui_event_desc.key_type == KEY_TYPE_CHAR) {
301 /* If the key_value is a string with length 1, and the first character has value between
302 SCL_ISCHAR range, provide the corresponding ASCII code in key_event field */
303 if (ui_event_desc.key_value[0] != '\0' && ui_event_desc.key_value[1] == '\0') {
304 if (SCL_ISCHAR(ui_event_desc.key_value[0])) {
305 ui_event_desc.key_event = ui_event_desc.key_value[0];
308 } else if (ui_event_desc.key_type == KEY_TYPE_CONTROL) {
309 const scluint control_keys_size = sizeof(control_keys) / sizeof(KEY_VALUE_EVENT_CONVERT_TABLE);
311 for (scluint loop = 0;loop < control_keys_size;loop++) {
312 if (strncmp(control_keys[loop].key_value, ui_event_desc.key_value, strlen(control_keys[loop].key_value)) == 0) {
313 ui_event_desc.key_event = control_keys[loop].key_event;
316 } else if (ui_event_desc.key_type == KEY_TYPE_STRING) {
317 CSCLResourceCache *cache = CSCLResourceCache::get_instance();
319 ui_event_desc.key_value = cache->find_substituted_string(ui_event_desc.key_value);