grab from latest android

git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 315 insertions, 0 deletions

diff --git a/src/animator/SkDisplayPost.cpp b/src/animator/SkDisplayPost.cpp
new file mode 100644
index 0000000000..17e7c761e9
--- /dev/null
+++ b/src/animator/SkDisplayPost.cpp
@@ -0,0 +1,315 @@
+/* libs/graphics/animator/SkDisplayPost.cpp
+**
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#include "SkDisplayPost.h"
+#include "SkAnimateMaker.h"
+#include "SkAnimator.h"
+#include "SkDisplayMovie.h"
+#include "SkPostParts.h"
+#include "SkScript.h"
+#ifdef SK_DEBUG
+#include "SkDump.h"
+#include "SkTime.h"
+#endif
+
+enum SkPost_Properties {
+    SK_PROPERTY(target),
+    SK_PROPERTY(type)
+};
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkPost::fInfo[] = {
+    SK_MEMBER(delay, MSec),
+//  SK_MEMBER(initialized, Boolean),
+    SK_MEMBER(mode, EventMode),
+    SK_MEMBER(sink, String),
+    SK_MEMBER_PROPERTY(target, String),
+    SK_MEMBER_PROPERTY(type, String)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkPost);
+
+SkPost::SkPost() : delay(0), /*initialized(SkBool(-1)), */ mode(kImmediate), fMaker(NULL),
+    fSinkID(0), fTargetMaker(NULL), fChildHasID(false), fDirty(false) {
+}
+
+SkPost::~SkPost() {
+    for (SkData** part = fParts.begin(); part < fParts.end();  part++)
+        delete *part;
+}
+
+bool SkPost::add(SkAnimateMaker& , SkDisplayable* child) {
+    SkASSERT(child && child->isData());
+    SkData* part = (SkData*) child;
+    *fParts.append() = part;
+    return true;
+}
+
+bool SkPost::childrenNeedDisposing() const { 
+    return false; 
+}
+
+void SkPost::dirty() { 
+    fDirty = true; 
+}
+
+#ifdef SK_DUMP_ENABLED
+void SkPost::dump(SkAnimateMaker* maker) {
+    dumpBase(maker);
+    SkString* eventType = new SkString();
+    fEvent.getType(eventType);
+    if (eventType->equals("user")) {
+        const char* target = fEvent.findString("id");
+        SkDebugf("target=\"%s\" ", target);
+    }
+    else
+        SkDebugf("type=\"%s\" ", eventType->c_str());
+    delete eventType;
+    
+    if (delay > 0) {
+#ifdef SK_CAN_USE_FLOAT
+        SkDebugf("delay=\"%g\" ", SkScalarToFloat(SkScalarDiv(delay, 1000)));
+#else
+        SkDebugf("delay=\"%x\" ", SkScalarDiv(delay, 1000));
+#endif
+    }
+//  if (initialized == false)
+//      SkDebugf("(uninitialized) ");
+    SkString string;
+    SkDump::GetEnumString(SkType_EventMode, mode, &string);
+    if (!string.equals("immediate"))
+        SkDebugf("mode=\"%s\" ", string.c_str());
+    // !!! could enhance this to search through make hierarchy to show name of sink
+    if (sink.size() > 0) {
+        SkDebugf("sink=\"%s\" sinkID=\"%d\" ", sink.c_str(), fSinkID);
+    } else if (fSinkID != maker->getAnimator()->getSinkID() && fSinkID != 0) {
+        SkDebugf("sinkID=\"%d\" ", fSinkID);
+    }
+    const SkMetaData& meta = fEvent.getMetaData();
+    SkMetaData::Iter iter(meta);
+    SkMetaData::Type    type;
+    int number;
+    const char* name;
+    bool closedYet = false;
+    SkDisplayList::fIndent += 4;
+    //this seems to work, but kinda hacky
+    //for some reason the last part is id, which i don't want
+    //and the parts seem to be in the reverse order from the one in which we find the 
+    //data itself
+    //SkData** ptr = fParts.end();
+    //SkData* data;
+    //const char* ID;
+    while ((name = iter.next(&type, &number)) != NULL) {
+        //ptr--;
+        if (strcmp(name, "id") == 0)
+            continue;
+        if (closedYet == false) {
+            SkDebugf(">\n");
+            closedYet = true;
+        }
+        //data = *ptr;
+        //if (data->id)
+        //    ID = data->id;
+        //else
+        //    ID = "";
+        SkDebugf("%*s<data name=\"%s\" ", SkDisplayList::fIndent, "", name);
+        switch (type) {
+            case SkMetaData::kS32_Type: {
+                int32_t s32;
+                meta.findS32(name, &s32);
+                SkDebugf("int=\"%d\" ", s32);
+                } break;
+            case SkMetaData::kScalar_Type: {
+                SkScalar scalar;
+                meta.findScalar(name, &scalar);
+#ifdef SK_CAN_USE_FLOAT
+                SkDebugf("float=\"%g\" ", SkScalarToFloat(scalar));
+#else
+                SkDebugf("float=\"%x\" ", scalar);
+#endif
+                } break;
+            case SkMetaData::kString_Type:
+                SkDebugf("string=\"%s\" ", meta.findString(name));
+                break;
+            case SkMetaData::kPtr_Type: {//when do we have a pointer
+                    void* ptr;
+                    meta.findPtr(name, &ptr);
+                    SkDebugf("0x%08x ", ptr);
+                } break;
+            case SkMetaData::kBool_Type: {
+                bool boolean;
+                meta.findBool(name, &boolean);
+                SkDebugf("boolean=\"%s\" ", boolean ? "true " : "false ");
+                } break;
+            default:
+                break;
+        }
+        SkDebugf("/>\n");
+        //ptr++;
+/*      perhaps this should only be done in the case of a pointer?
+        SkDisplayable* displayable;
+        if (maker->find(name, &displayable))
+            displayable->dump(maker);
+        else
+            SkDebugf("\n");*/
+    }
+    SkDisplayList::fIndent -= 4;
+    if (closedYet)
+        dumpEnd(maker);
+    else
+        SkDebugf("/>\n");
+
+}
+#endif
+
+bool SkPost::enable(SkAnimateMaker& maker ) {
+    if (maker.hasError())
+        return true;
+    if (fDirty) {
+        if (sink.size() > 0)
+            findSinkID();
+        if (fChildHasID) {
+            SkString preserveID(fEvent.findString("id"));
+            fEvent.getMetaData().reset();
+            if (preserveID.size() > 0)
+                fEvent.setString("id", preserveID);
+            for (SkData** part = fParts.begin(); part < fParts.end();  part++) {
+                if ((*part)->add())
+                    maker.setErrorCode(SkDisplayXMLParserError::kErrorAddingDataToPost);
+            }
+        }
+        fDirty = false;
+    }
+#ifdef SK_DUMP_ENABLED
+    if (maker.fDumpPosts) {
+        SkDebugf("post enable: ");
+        dump(&maker);
+    }
+#if defined SK_DEBUG_ANIMATION_TIMING
+    SkString debugOut;
+    SkMSec time = maker.getAppTime();
+    debugOut.appendS32(time - maker.fDebugTimeBase);
+    debugOut.append(" post id=");
+    debugOut.append(_id);
+    debugOut.append(" enable=");
+    debugOut.appendS32(maker.fEnableTime - maker.fDebugTimeBase);
+    debugOut.append(" delay=");
+    debugOut.appendS32(delay);
+#endif
+#endif
+//  SkMSec adjustedDelay = maker.adjustDelay(maker.fEnableTime, delay);
+    SkMSec futureTime = maker.fEnableTime + delay;
+    fEvent.setFast32(futureTime);
+#if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
+    debugOut.append(" future=");
+    debugOut.appendS32(futureTime - maker.fDebugTimeBase);
+    SkDebugf("%s\n", debugOut.c_str());
+#endif
+    SkEventSinkID targetID = fSinkID;
+    bool isAnimatorEvent = true;
+    SkAnimator* anim = maker.getAnimator();
+    if (targetID == 0) {
+        isAnimatorEvent = fEvent.findString("id") != NULL;
+        if (isAnimatorEvent) 
+            targetID = anim->getSinkID();
+        else if (maker.fHostEventSinkID)
+            targetID = maker.fHostEventSinkID;
+        else
+            return true;
+    } else
+        anim = fTargetMaker->getAnimator();
+    if (delay == 0) {
+        if (isAnimatorEvent && mode == kImmediate)
+            fTargetMaker->doEvent(fEvent);
+        else
+            anim->onEventPost(new SkEvent(fEvent), targetID);
+    } else
+        anim->onEventPostTime(new SkEvent(fEvent), targetID, futureTime);
+    return true;
+}
+
+void SkPost::findSinkID() {
+    // get the next delimiter '.' if any
+    fTargetMaker = fMaker;
+    const char* ch = sink.c_str();
+    do {
+        const char* end = strchr(ch, '.');
+        size_t len = end ? end - ch : strlen(ch);
+        SkDisplayable* displayable = NULL;
+        if (SK_LITERAL_STR_EQUAL("parent", ch, len)) {
+            if (fTargetMaker->fParentMaker)
+                fTargetMaker = fTargetMaker->fParentMaker;
+            else {
+                fTargetMaker->setErrorCode(SkDisplayXMLParserError::kNoParentAvailable);
+                return;
+            }
+        } else {
+            fTargetMaker->find(ch, len, &displayable);
+            if (displayable == NULL || displayable->getType() != SkType_Movie) {
+                fTargetMaker->setErrorCode(SkDisplayXMLParserError::kExpectedMovie);
+                return;
+            }
+            SkDisplayMovie* movie = (SkDisplayMovie*) displayable;
+            fTargetMaker = movie->fMovie.fMaker;
+        }
+        if (end == NULL)
+            break;
+        ch = ++end;
+    } while (true);
+    SkAnimator* anim = fTargetMaker->getAnimator();
+    fSinkID = anim->getSinkID();
+}
+ 
+bool SkPost::hasEnable() const {
+    return true;
+}
+
+void SkPost::onEndElement(SkAnimateMaker& maker) {
+    fTargetMaker = fMaker = &maker;
+    if (fChildHasID == false) {
+        for (SkData** part = fParts.begin(); part < fParts.end();  part++)
+            delete *part;
+        fParts.reset();
+    }
+}
+
+void SkPost::setChildHasID() { 
+    fChildHasID = true; 
+}
+
+bool SkPost::setProperty(int index, SkScriptValue& value) {
+    SkASSERT(value.fType == SkType_String);
+    SkString* string = value.fOperand.fString;
+    switch(index) {
+        case SK_PROPERTY(target): {
+            fEvent.setType("user");
+            fEvent.setString("id", *string);
+            mode = kImmediate;
+            } break;
+        case SK_PROPERTY(type):
+            fEvent.setType(*string);
+            break;
+        default:
+            SkASSERT(0);
+            return false;
+    }
+    return true;
+}
+