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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <stdarg.h>
#include "SkOSMenu.h"
#include "SkThread.h"
static int gOSMenuCmd = 7000;
SkOSMenu::SkOSMenu(const char title[]) {
fTitle.set(title);
}
SkOSMenu::~SkOSMenu() {
this->reset();
}
void SkOSMenu::reset() {
fItems.deleteAll();
fTitle.reset();
}
int SkOSMenu::countItems() const {
return fItems.count();
}
const SkOSMenu::Item* SkOSMenu::getItem(int index) const{
return fItems[index];
}
////////////////////////////////////////////////////////////////////////////////
SkOSMenu::Item::Item(const char label[], SkOSMenu::Type type,
const char slotName[], SkEvent* evt, SkEventSinkID target) {
fLabel.set(label);
fSlotName.set(slotName);
fType = type;
fTarget = target;
fEvent = evt;
fID = sk_atomic_inc(&gOSMenuCmd);
}
void SkOSMenu::Item::postEventWithBool(bool value) const {
SkASSERT(SkOSMenu::kSwitch_Type == fType);
fEvent->setBool(fSlotName.c_str(), value);
this->postEvent();
}
void SkOSMenu::Item::postEventWithScalar(SkScalar value) const {
SkASSERT(SkOSMenu::kSlider_Type == fType);
fEvent->setScalar(fSlotName.c_str(), value);
this->postEvent();
}
void SkOSMenu::Item::postEventWithInt(int value) const {
SkASSERT(SkOSMenu::kList_Type == fType || SkOSMenu::kTriState_Type == fType);
fEvent->setS32(fSlotName.c_str(), value);
this->postEvent();
}
void SkOSMenu::Item::postEventWithString(const char value[]) const {
SkASSERT(SkOSMenu::kTextField_Type == fType);
fEvent->setString(fSlotName.c_str(), value);
this->postEvent();
}
////////////////////////////////////////////////////////////////////////////////
const char* SkOSMenu::EventType = "SkOSMenuEventType";
const char* SkOSMenu::Delimiter = "|";
const char* SkOSMenu::Slider_Min_Scalar = "SkOSMenuSlider_Min";
const char* SkOSMenu::Slider_Max_Scalar = "SkOSMenuSlider_Max";
const char* SkOSMenu::List_Items_Str = "SkOSMenuList_Items";
int SkOSMenu::appendItem(const char label[], Type type, const char slotName[],
SkEvent* evt, SkEventSinkID target) {
SkOSMenu::Item* item = new Item(label, type, slotName, evt, target);
fItems.append(1, &item);
return item->getID();
}
int SkOSMenu::appendAction(const char label[], SkEventSinkID target) {
SkEvent* evt = new SkEvent(SkOSMenu::EventType);
SkOSMenu::Item* item = new Item(label, SkOSMenu::kAction_Type, "", evt, target);
//Store label in event so it can be used to identify the action later
evt->setString(label, "");
fItems.append(1, &item);
return item->getID();
}
int SkOSMenu::appendList(const char label[], const char slotName[],
SkEventSinkID target, int index, const char option[], ...) {
SkEvent* evt = new SkEvent(SkOSMenu::EventType);
va_list args;
if (option) {
SkString str(option);
va_start(args, option);
for (const char* arg = va_arg(args, const char*); arg != NULL; arg = va_arg(args, const char*)) {
str += SkOSMenu::Delimiter;
str += arg;
}
va_end(args);
evt->setString(SkOSMenu::List_Items_Str, str);
evt->setS32(slotName, index);
}
SkOSMenu::Item* item = new Item(label, SkOSMenu::kList_Type, slotName, evt, target);
fItems.append(1, &item);
return item->getID();
}
int SkOSMenu::appendSlider(const char label[], const char slotName[],
SkEventSinkID target, SkScalar min, SkScalar max,
SkScalar defaultValue) {
SkEvent* evt = new SkEvent(SkOSMenu::EventType);
evt->setScalar(SkOSMenu::Slider_Min_Scalar, min);
evt->setScalar(SkOSMenu::Slider_Max_Scalar, max);
evt->setScalar(slotName, defaultValue);
SkOSMenu::Item* item = new Item(label, SkOSMenu::kSlider_Type, slotName, evt, target);
fItems.append(1, &item);
return item->getID();
}
int SkOSMenu::appendSwitch(const char label[], const char slotName[],
SkEventSinkID target, bool defaultState) {
SkEvent* evt = new SkEvent(SkOSMenu::EventType);
evt->setBool(slotName, defaultState);
SkOSMenu::Item* item = new Item(label, SkOSMenu::kSwitch_Type, slotName, evt, target);
fItems.append(1, &item);
return item->getID();
}
int SkOSMenu::appendTriState(const char label[], const char slotName[],
SkEventSinkID target, SkOSMenu::TriState defaultState) {
SkEvent* evt = new SkEvent(SkOSMenu::EventType);
evt->setS32(slotName, defaultState);
SkOSMenu::Item* item = new Item(label, SkOSMenu::kTriState_Type, slotName, evt, target);
fItems.append(1, &item);
return item->getID();
}
int SkOSMenu::appendTextField(const char label[], const char slotName[],
SkEventSinkID target, const char placeholder[]) {
SkEvent* evt = new SkEvent(SkOSMenu::EventType);
evt->setString(slotName, placeholder);
SkOSMenu::Item* item = new Item(label, SkOSMenu::kTextField_Type, slotName, evt, target);
fItems.append(1, &item);
return item->getID();
}
bool SkOSMenu::FindAction(const SkEvent* evt, const char label[]) {
return evt->isType(SkOSMenu::EventType) && evt->findString(label);
}
bool SkOSMenu::FindListIndex(const SkEvent* evt, const char slotName[], int* selected) {
return evt->isType(SkOSMenu::EventType) && evt->findS32(slotName, selected);
}
bool SkOSMenu::FindSliderValue(const SkEvent* evt, const char slotName[], SkScalar* value) {
return evt->isType(SkOSMenu::EventType) && evt->findScalar(slotName, value);
}
bool SkOSMenu::FindSwitchState(const SkEvent* evt, const char slotName[], bool* value) {
return evt->isType(SkOSMenu::EventType) && evt->findBool(slotName, value);
}
bool SkOSMenu::FindTriState(const SkEvent* evt, const char slotName[], SkOSMenu::TriState* state) {
return evt->isType(SkOSMenu::EventType) && evt->findS32(slotName, (int*)state);
}
bool SkOSMenu::FindText(const SkEvent* evt, const char slotName[], SkString* value) {
if (evt->isType(SkOSMenu::EventType)) {
const char* text = evt->findString(slotName);
if (!text || !*text)
return false;
else {
value->set(text);
return true;
}
}
return false;
}
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