epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2011 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 8 | #include "SkWidgetViews.h" |
| 9 | #include "SkAnimator.h" |
| 10 | #include "SkCanvas.h" |
| 11 | #include "SkPaint.h" |
| 12 | #include "SkStream.h" |
| 13 | #include "SkSystemEventTypes.h" |
| 14 | |
| 15 | #ifdef SK_DEBUG |
| 16 | static void assert_no_attr(const SkDOM& dom, const SkDOM::Node* node, const char attr[]) |
| 17 | { |
| 18 | const char* value = dom.findAttr(node, attr); |
| 19 | if (value) |
| 20 | SkDebugf("unknown attribute %s=\"%s\"\n", attr, value); |
| 21 | } |
| 22 | #else |
| 23 | #define assert_no_attr(dom, node, attr) |
| 24 | #endif |
| 25 | /* |
| 26 | I have moved this to SkWidgetViews.h |
| 27 | enum SkinEnum { |
| 28 | kButton_SkinEnum, |
| 29 | kProgress_SkinEnum, |
| 30 | kScroll_SkinEnum, |
| 31 | kStaticText_SkinEnum, |
| 32 | |
| 33 | kSkinEnumCount |
| 34 | }; |
| 35 | */ |
| 36 | |
| 37 | const char* get_skin_enum_path(SkinEnum se) |
| 38 | { |
| 39 | SkASSERT((unsigned)se < kSkinEnumCount); |
| 40 | |
| 41 | static const char* gSkinPaths[] = { |
| 42 | "common/default/default/skins/border3.xml", |
| 43 | "common/default/default/skins/button.xml", |
| 44 | "common/default/default/skins/progressBar.xml", |
| 45 | "common/default/default/skins/scrollBar.xml", |
| 46 | "common/default/default/skins/statictextpaint.xml" |
| 47 | }; |
| 48 | |
| 49 | return gSkinPaths[se]; |
| 50 | } |
| 51 | |
| 52 | void init_skin_anim(const char path[], SkAnimator* anim) |
| 53 | { |
| 54 | SkASSERT(path && anim); |
| 55 | |
| 56 | SkFILEStream stream(path); |
| 57 | |
| 58 | if (!stream.isValid()) |
| 59 | { |
| 60 | SkDEBUGF(("init_skin_anim: loading skin failed <%s>\n", path)); |
| 61 | sk_throw(); |
| 62 | } |
| 63 | |
| 64 | if (!anim->decodeStream(&stream)) |
| 65 | { |
| 66 | SkDEBUGF(("init_skin_anim: decoding skin failed <%s>\n", path)); |
| 67 | sk_throw(); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | void init_skin_anim(SkinEnum se, SkAnimator* anim) |
| 72 | { |
| 73 | init_skin_anim(get_skin_enum_path(se), anim); |
| 74 | } |
| 75 | |
| 76 | void init_skin_paint(SkinEnum se, SkPaint* paint) |
| 77 | { |
| 78 | SkASSERT(paint); |
| 79 | |
| 80 | SkAnimator anim; |
| 81 | SkCanvas canvas; |
| 82 | |
| 83 | init_skin_anim(se, &anim); |
| 84 | anim.draw(&canvas, paint, 0); |
| 85 | } |
| 86 | |
| 87 | void inflate_paint(const SkDOM& dom, const SkDOM::Node* node, SkPaint* paint) |
| 88 | { |
| 89 | SkASSERT(paint); |
| 90 | |
| 91 | SkAnimator anim; |
| 92 | SkCanvas canvas; |
| 93 | |
| 94 | if (!anim.decodeDOM(dom, node)) |
| 95 | { |
| 96 | SkDEBUGF(("inflate_paint: decoding dom failed\n")); |
| 97 | SkDEBUGCODE(dom.dump(node);) |
| 98 | sk_throw(); |
| 99 | } |
| 100 | anim.draw(&canvas, paint, 0); |
| 101 | } |
| 102 | |
| 103 | //////////////////////////////////////////////////////////////////////////////////////// |
| 104 | |
| 105 | SkWidgetView::SkWidgetView() : SkView(SkView::kFocusable_Mask | SkView::kEnabled_Mask) |
| 106 | { |
| 107 | } |
| 108 | |
| 109 | const char* SkWidgetView::getLabel() const |
| 110 | { |
| 111 | return fLabel.c_str(); |
| 112 | } |
| 113 | |
| 114 | void SkWidgetView::getLabel(SkString* label) const |
| 115 | { |
| 116 | if (label) |
| 117 | *label = fLabel; |
| 118 | } |
| 119 | |
| 120 | void SkWidgetView::setLabel(const char label[]) |
| 121 | { |
| 122 | this->setLabel(label, label ? strlen(label) : 0); |
| 123 | } |
| 124 | |
| 125 | void SkWidgetView::setLabel(const char label[], size_t len) |
| 126 | { |
senorblanco@chromium.org | 64cc579 | 2011-05-19 19:58:58 +0000 | [diff] [blame] | 127 | if ((label == NULL && fLabel.size() != 0) || !fLabel.equals(label, len)) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 128 | { |
| 129 | SkString tmp(label, len); |
| 130 | |
| 131 | this->onLabelChange(fLabel.c_str(), tmp.c_str()); |
| 132 | fLabel.swap(tmp); |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | void SkWidgetView::setLabel(const SkString& label) |
| 137 | { |
| 138 | if (fLabel != label) |
| 139 | { |
| 140 | this->onLabelChange(fLabel.c_str(), label.c_str()); |
| 141 | fLabel = label; |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | bool SkWidgetView::postWidgetEvent() |
| 146 | { |
| 147 | if (!fEvent.isType("")) |
| 148 | { |
| 149 | SkEvent evt(fEvent); // make a copy since onPrepareWidgetEvent may edit the event |
| 150 | |
| 151 | if (this->onPrepareWidgetEvent(&evt)) |
| 152 | { |
| 153 | SkDEBUGCODE(evt.dump("SkWidgetView::postWidgetEvent");) |
| 154 | |
| 155 | this->postToListeners(evt); // wonder if this should return true if there are > 0 listeners... |
| 156 | return true; |
| 157 | } |
| 158 | } |
| 159 | return false; |
| 160 | } |
| 161 | |
| 162 | /*virtual*/ void SkWidgetView::onInflate(const SkDOM& dom, const SkDOM::Node* node) |
| 163 | { |
| 164 | this->INHERITED::onInflate(dom, node); |
| 165 | |
| 166 | const char* label = dom.findAttr(node, "label"); |
| 167 | if (label) |
| 168 | this->setLabel(label); |
| 169 | |
deanm@chromium.org | 1599a43 | 2009-06-04 15:37:11 +0000 | [diff] [blame] | 170 | if ((node = dom.getFirstChild(node, "event")) != NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 171 | fEvent.inflate(dom, node); |
| 172 | } |
| 173 | |
| 174 | /*virtual*/ void SkWidgetView::onLabelChange(const char oldLabel[], const char newLabel[]) |
| 175 | { |
deanm@chromium.org | 1599a43 | 2009-06-04 15:37:11 +0000 | [diff] [blame] | 176 | this->inval(NULL); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | static const char gWidgetEventSinkIDSlotName[] = "sk-widget-sinkid-slot"; |
| 180 | |
| 181 | /*virtual*/ bool SkWidgetView::onPrepareWidgetEvent(SkEvent* evt) |
| 182 | { |
| 183 | evt->setS32(gWidgetEventSinkIDSlotName, this->getSinkID()); |
| 184 | return true; |
| 185 | } |
| 186 | |
| 187 | SkEventSinkID SkWidgetView::GetWidgetEventSinkID(const SkEvent& evt) |
| 188 | { |
| 189 | int32_t sinkID; |
| 190 | |
| 191 | return evt.findS32(gWidgetEventSinkIDSlotName, &sinkID) ? (SkEventSinkID)sinkID : 0; |
| 192 | } |
| 193 | |
| 194 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 195 | |
| 196 | /*virtual*/ bool SkButtonView::onEvent(const SkEvent& evt) |
| 197 | { |
| 198 | if (evt.isType(SK_EventType_Key) && evt.getFast32() == kOK_SkKey) |
| 199 | { |
| 200 | this->postWidgetEvent(); |
| 201 | return true; |
| 202 | } |
| 203 | return this->INHERITED::onEvent(evt); |
| 204 | } |
| 205 | |
| 206 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 207 | |
| 208 | SkCheckButtonView::SkCheckButtonView() : fCheckState(kOff_CheckState) |
| 209 | { |
| 210 | } |
| 211 | |
| 212 | void SkCheckButtonView::setCheckState(CheckState state) |
| 213 | { |
| 214 | SkASSERT((unsigned)state <= kUnknown_CheckState); |
| 215 | |
| 216 | if (fCheckState != state) |
| 217 | { |
| 218 | this->onCheckStateChange(this->getCheckState(), state); |
| 219 | fCheckState = SkToU8(state); |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | /*virtual*/ void SkCheckButtonView::onCheckStateChange(CheckState oldState, CheckState newState) |
| 224 | { |
deanm@chromium.org | 1599a43 | 2009-06-04 15:37:11 +0000 | [diff] [blame] | 225 | this->inval(NULL); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | /*virtual*/ void SkCheckButtonView::onInflate(const SkDOM& dom, const SkDOM::Node* node) |
| 229 | { |
| 230 | this->INHERITED::onInflate(dom, node); |
| 231 | |
| 232 | int index = dom.findList(node, "check-state", "off,on,unknown"); |
| 233 | if (index >= 0) |
| 234 | this->setCheckState((CheckState)index); |
| 235 | } |
| 236 | |
| 237 | static const char gCheckStateSlotName[] = "sk-checkbutton-check-slot"; |
| 238 | |
| 239 | /*virtual*/ bool SkCheckButtonView::onPrepareWidgetEvent(SkEvent* evt) |
| 240 | { |
| 241 | // could check if we're "disabled", and return false... |
| 242 | |
| 243 | evt->setS32(gCheckStateSlotName, this->getCheckState()); |
| 244 | return true; |
| 245 | } |
| 246 | |
| 247 | bool SkCheckButtonView::GetWidgetEventCheckState(const SkEvent& evt, CheckState* state) |
| 248 | { |
| 249 | int32_t state32; |
| 250 | |
| 251 | if (evt.findS32(gCheckStateSlotName, &state32)) |
| 252 | { |
| 253 | if (state) |
| 254 | *state = (CheckState)state32; |
| 255 | return true; |
| 256 | } |
| 257 | return false; |
| 258 | } |
| 259 | |
| 260 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 261 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 262 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 263 | |
| 264 | #include "SkTime.h" |
| 265 | #include <stdio.h> |
| 266 | |
| 267 | class SkAnimButtonView : public SkButtonView { |
| 268 | public: |
| 269 | SkAnimButtonView() |
| 270 | { |
| 271 | fAnim.setHostEventSink(this); |
| 272 | init_skin_anim(kButton_SkinEnum, &fAnim); |
| 273 | } |
| 274 | |
| 275 | protected: |
| 276 | virtual void onLabelChange(const char oldLabel[], const char newLabel[]) |
| 277 | { |
| 278 | this->INHERITED::onLabelChange(oldLabel, newLabel); |
| 279 | |
| 280 | SkEvent evt("user"); |
| 281 | evt.setString("id", "setLabel"); |
| 282 | evt.setString("LABEL", newLabel); |
| 283 | fAnim.doUserEvent(evt); |
| 284 | } |
| 285 | |
| 286 | virtual void onFocusChange(bool gainFocus) |
| 287 | { |
| 288 | this->INHERITED::onFocusChange(gainFocus); |
| 289 | |
| 290 | SkEvent evt("user"); |
| 291 | evt.setString("id", "setFocus"); |
| 292 | evt.setS32("FOCUS", gainFocus); |
| 293 | fAnim.doUserEvent(evt); |
| 294 | } |
| 295 | |
| 296 | virtual void onSizeChange() |
| 297 | { |
| 298 | this->INHERITED::onSizeChange(); |
| 299 | |
| 300 | SkEvent evt("user"); |
| 301 | evt.setString("id", "setDim"); |
| 302 | evt.setScalar("dimX", this->width()); |
| 303 | evt.setScalar("dimY", this->height()); |
| 304 | fAnim.doUserEvent(evt); |
| 305 | } |
| 306 | |
| 307 | virtual void onDraw(SkCanvas* canvas) |
| 308 | { |
| 309 | SkPaint paint; |
| 310 | SkAnimator::DifferenceType diff = fAnim.draw(canvas, &paint, SkTime::GetMSecs()); |
| 311 | |
| 312 | if (diff == SkAnimator::kDifferent) |
deanm@chromium.org | 1599a43 | 2009-06-04 15:37:11 +0000 | [diff] [blame] | 313 | this->inval(NULL); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 314 | else if (diff == SkAnimator::kPartiallyDifferent) |
| 315 | { |
| 316 | SkRect bounds; |
| 317 | fAnim.getInvalBounds(&bounds); |
| 318 | this->inval(&bounds); |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | virtual bool onEvent(const SkEvent& evt) |
| 323 | { |
| 324 | if (evt.isType(SK_EventType_Inval)) |
| 325 | { |
deanm@chromium.org | 1599a43 | 2009-06-04 15:37:11 +0000 | [diff] [blame] | 326 | this->inval(NULL); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 327 | return true; |
| 328 | } |
| 329 | if (evt.isType("recommendDim")) |
| 330 | { |
| 331 | SkScalar height; |
| 332 | |
| 333 | if (evt.findScalar("y", &height)) |
| 334 | this->setHeight(height); |
| 335 | return true; |
| 336 | } |
| 337 | return this->INHERITED::onEvent(evt); |
| 338 | } |
| 339 | |
| 340 | virtual bool onPrepareWidgetEvent(SkEvent* evt) |
| 341 | { |
| 342 | if (this->INHERITED::onPrepareWidgetEvent(evt)) |
| 343 | { |
| 344 | SkEvent e("user"); |
| 345 | e.setString("id", "handlePress"); |
| 346 | (void)fAnim.doUserEvent(e); |
| 347 | return true; |
| 348 | } |
| 349 | return false; |
| 350 | } |
| 351 | |
| 352 | private: |
| 353 | SkAnimator fAnim; |
| 354 | |
| 355 | typedef SkButtonView INHERITED; |
| 356 | }; |
| 357 | |
| 358 | //////////////////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 359 | //////////////////////////////////////////////////////////////////////////////////////////// |
| 360 | |
| 361 | SkView* SkWidgetFactory(const char name[]) |
| 362 | { |
deanm@chromium.org | 1599a43 | 2009-06-04 15:37:11 +0000 | [diff] [blame] | 363 | if (name == NULL) |
| 364 | return NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 365 | |
| 366 | // must be in the same order as the SkSkinWidgetEnum is declared |
| 367 | static const char* gNames[] = { |
| 368 | "sk-border", |
| 369 | "sk-button", |
| 370 | "sk-image", |
| 371 | "sk-list", |
| 372 | "sk-progress", |
| 373 | "sk-scroll", |
| 374 | "sk-text" |
| 375 | |
| 376 | }; |
| 377 | |
senorblanco@chromium.org | 64cc579 | 2011-05-19 19:58:58 +0000 | [diff] [blame] | 378 | for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); i++) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 379 | if (!strcmp(gNames[i], name)) |
| 380 | return SkWidgetFactory((SkWidgetEnum)i); |
| 381 | |
deanm@chromium.org | 1599a43 | 2009-06-04 15:37:11 +0000 | [diff] [blame] | 382 | return NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 383 | } |
| 384 | |
| 385 | #include "SkImageView.h" |
| 386 | #include "SkProgressBarView.h" |
| 387 | #include "SkScrollBarView.h" |
| 388 | #include "SkBorderView.h" |
| 389 | |
| 390 | SkView* SkWidgetFactory(SkWidgetEnum sw) |
| 391 | { |
| 392 | switch (sw) { |
| 393 | case kBorder_WidgetEnum: |
| 394 | return new SkBorderView; |
| 395 | case kButton_WidgetEnum: |
| 396 | return new SkAnimButtonView; |
| 397 | case kImage_WidgetEnum: |
| 398 | return new SkImageView; |
| 399 | case kList_WidgetEnum: |
| 400 | return new SkListView; |
| 401 | case kProgress_WidgetEnum: |
| 402 | return new SkProgressBarView; |
| 403 | case kScroll_WidgetEnum: |
| 404 | return new SkScrollBarView; |
| 405 | case kText_WidgetEnum: |
| 406 | return new SkStaticTextView; |
| 407 | default: |
tomhudson@google.com | 0c00f21 | 2011-12-28 14:59:50 +0000 | [diff] [blame] | 408 | SkDEBUGFAIL("unknown enum passed to SkWidgetFactory"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 409 | break; |
| 410 | } |
deanm@chromium.org | 1599a43 | 2009-06-04 15:37:11 +0000 | [diff] [blame] | 411 | return NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 412 | } |