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Start rewriting the motion event tracking.

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It's just tracking the finger with no fling.
This commit is contained in:
Joe Onorato
2009-08-08 22:32:00 -07:00
parent 43e7bcf0ad
commit 1feb3a8d70
3 changed files with 95 additions and 220 deletions
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266
src/com/android/launcher2/AllAppsView.java
View File

@@ -55,6 +55,11 @@ import android.graphics.PixelFormat;
public class AllAppsView extends RSSurfaceView {
private RenderScript mRS;
private RolloRS mRollo;
private int mLastMotionX;
public AllAppsView(Context context) {
super(context);
setFocusable(true);
@@ -69,152 +74,45 @@ public class AllAppsView extends RSSurfaceView {
this(context);
}
private RenderScript mRS;
private RolloRS mRender;
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
super.surfaceChanged(holder, format, w, h);
mRS = createRenderScript();
mRender = new RolloRS();
mRender.init(mRS, getResources(), w, h);
mRollo = new RolloRS();
mRollo.init(getResources(), w, h);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event)
{
// break point at here
// this method doesn't work when 'extends View' include 'extends ScrollView'.
return super.onKeyDown(keyCode, event);
}
boolean mControlMode = false;
boolean mZoomMode = false;
boolean mFlingMode = false;
float mFlingX = 0;
float mFlingY = 0;
float mColumn = -1;
float mOldColumn;
float mZoom = 1;
int mIconCount = 29;
int mRows = 4;
int mColumns = (mIconCount + mRows - 1) / mRows;
float mMaxZoom = ((float)mColumns) / 3.f;
void setColumn(boolean clamp)
{
//Log.e("rs", " col = " + Float.toString(mColumn));
float c = mColumn;
if(c > (mColumns -2)) {
c = (mColumns -2);
}
if(c < 0) {
c = 0;
}
mRender.setPosition(c);
if(clamp) {
mColumn = c;
}
}
void computeSelection(float x, float y)
{
float col = mColumn + (x - 0.5f) * 4 + 1.25f;
int iCol = (int)(col + 0.25f);
float row = (y / 0.8f) * mRows;
int iRow = (int)(row - 0.5f);
mRender.setSelected(iCol * mRows + iRow);
}
@Override
public boolean onTouchEvent(MotionEvent ev)
{
boolean ret = true;
int act = ev.getAction();
if (act == ev.ACTION_UP) {
ret = false;
int x = (int)ev.getX();
int deltaX;
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN:
mLastMotionX = x;
break;
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_OUTSIDE:
deltaX = x - mLastMotionX;
mRollo.mState.scrollX += deltaX;
Log.d(Launcher.LOG_TAG, "updated scrollX=" + mRollo.mState.scrollX);
mRollo.mState.save();
mLastMotionX = x;
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mLastMotionX = -10000;
break;
}
float nx = ev.getX() / getWidth();
float ny = ev.getY() / getHeight();
//Log.e("rs", "width=" + Float.toString(getWidth()));
//Log.e("rs", "height=" + Float.toString(getHeight()));
mRender.setTouch(ret);
if((ny > 0.85f) || mControlMode) {
mFlingMode = false;
// Projector control
if((nx > 0.2f) && (nx < 0.8f) || mControlMode) {
if(act != ev.ACTION_UP) {
float zoom = mMaxZoom;
if(mControlMode) {
if(!mZoomMode) {
zoom = 1.f;
}
float dx = nx - mFlingX;
if((ny < 0.9) && mZoomMode) {
zoom = mMaxZoom - ((0.9f - ny) * 10.f);
if(zoom < 1) {
zoom = 1;
mZoomMode = false;
}
mOldColumn = mColumn;
}
mColumn += dx * 4;// * zoom;
if(zoom > 1.01f) {
mColumn += (mZoom - zoom) * (nx - 0.5f) * 4 * zoom;
}
} else {
mOldColumn = mColumn;
mColumn = ((float)mColumns) / 2;
mControlMode = true;
mZoomMode = true;
}
mZoom = zoom;
mFlingX = nx;
mRender.setZoom(zoom);
if(mZoom < 1.01f) {
computeSelection(nx, ny);
}
} else {
mControlMode = false;
mColumn = mOldColumn;
mRender.setZoom(1.f);
mRender.setSelected(-1);
}
} else {
// Do something with corners here....
}
setColumn(true);
} else {
// icon control
if(act != ev.ACTION_UP) {
if(mFlingMode) {
mColumn += (mFlingX - nx) * 4;
setColumn(true);
}
mFlingMode = true;
mFlingX = nx;
mFlingY = ny;
} else {
mFlingMode = false;
mColumn = (float)(java.lang.Math.floor(mColumn * 0.25f + 0.3f) * 4.f) + 1.f;
setColumn(true);
}
}
return ret;
return true;
}
@Override
@@ -232,66 +130,17 @@ public class AllAppsView extends RSSurfaceView {
public class RolloRS {
//public static final int STATE_SELECTED_ID = 0;
public static final int STATE_DONE = 1;
//public static final int STATE_PRESSURE = 2;
public static final int STATE_ZOOM = 3;
//public static final int STATE_WARP = 4;
public static final int STATE_ORIENTATION = 5;
public static final int STATE_SELECTION = 6;
public static final int STATE_FIRST_VISIBLE = 7;
public static final int STATE_COUNT = 8;
public static final int STATE_TOUCH = 9;
// Allocations ======
static final int ALLOC_PARAMS = 0;
static final int ALLOC_STATE = 1;
static final int ALLOC_SCRATCH = 2;
static final int ALLOC_ICON_IDS = 3;
static final int ALLOC_LABEL_IDS = 4;
public RolloRS() {
}
public void init(RenderScript rs, Resources res, int width, int height) {
mRS = rs;
mRes = res;
mWidth = width;
mHeight = height;
initNamed();
initIcons(29);
initRS();
}
public void setPosition(float column) {
mAllocStateBuf[STATE_FIRST_VISIBLE] = (int)(column * (-20));
mAllocState.data(mAllocStateBuf);
}
public void setTouch(boolean touch) {
mAllocStateBuf[STATE_TOUCH] = touch ? 1 : 0;
mAllocState.data(mAllocStateBuf);
}
public void setZoom(float z) {
//Log.e("rs", "zoom " + Float.toString(z));
mAllocStateBuf[STATE_ZOOM] = (int)(z * 1000.f);
mAllocState.data(mAllocStateBuf);
}
public void setSelected(int index) {
//Log.e("rs", "setSelected " + Integer.toString(index));
mAllocStateBuf[STATE_SELECTION] = index;
mAllocStateBuf[STATE_DONE] = 1;
mAllocState.data(mAllocStateBuf);
}
private int mWidth;
private int mHeight;
private Resources mRes;
private RenderScript mRS;
private Script mScript;
private Sampler mSampler;
private Sampler mSamplerText;
@@ -305,9 +154,6 @@ public class AllAppsView extends RSSurfaceView {
private ProgramVertex mPVOrtho;
private ProgramVertex.MatrixAllocation mPVOrthoAlloc;
private int[] mAllocStateBuf;
private Allocation mAllocState;
private Allocation[] mIcons;
private int[] mAllocIconIDBuf;
private Allocation mAllocIconID;
@@ -320,6 +166,7 @@ public class AllAppsView extends RSSurfaceView {
private Allocation mAllocScratch;
Params mParams;
State mState;
class Params extends IntAllocation {
Params(RenderScript rs) {
@@ -331,7 +178,27 @@ public class AllAppsView extends RSSurfaceView {
@AllocationIndex(3) public int bubbleBitmapHeight;
}
private void initNamed() {
class State extends IntAllocation {
State(RenderScript rs) {
super(rs);
}
@AllocationIndex(0) public int iconCount;
@AllocationIndex(1) public int scrollX;
}
public RolloRS() {
}
public void init(Resources res, int width, int height) {
mRes = res;
mWidth = width;
mHeight = height;
initGl();
initData();
initRs();
}
private void initGl() {
Sampler.Builder sb = new Sampler.Builder(mRS);
sb.setMin(Sampler.Value.LINEAR);//_MIP_LINEAR);
sb.setMag(Sampler.Value.LINEAR);
@@ -401,8 +268,10 @@ public class AllAppsView extends RSSurfaceView {
Log.e("rs", "Done loading named");
}
private void initIcons(int count) {
private void initData() {
final int count = 29;
mParams = new Params(mRS);
mState = new State(mRS);
mIcons = new Allocation[count];
mAllocIconIDBuf = new int[count];
@@ -422,7 +291,6 @@ public class AllAppsView extends RSSurfaceView {
mParams.bubbleHeight = bubble.getMaxBubbleHeight();
mParams.bubbleBitmapWidth = bubble.getBitmapWidth();
mParams.bubbleBitmapHeight = bubble.getBitmapHeight();
mParams.save();
for (int i=0; i<count; i++) {
mIcons[i] = Allocation.createFromBitmapResource(
@@ -430,16 +298,19 @@ public class AllAppsView extends RSSurfaceView {
mLabels[i] = makeTextBitmap(bubble, i%9==0 ? "Google Maps" : "Maps");
}
for(int ct=0; ct < count; ct++) {
mIcons[ct].uploadToTexture(0);
mLabels[ct].uploadToTexture(0);
mAllocIconIDBuf[ct] = mIcons[ct].getID();
mAllocLabelIDBuf[ct] = mLabels[ct].getID();
for (int i=0; i<count; i++) {
mIcons[i].uploadToTexture(0);
mLabels[i].uploadToTexture(0);
mAllocIconIDBuf[i] = mIcons[i].getID();
mAllocLabelIDBuf[i] = mLabels[i].getID();
}
mAllocIconID.data(mAllocIconIDBuf);
mAllocLabelID.data(mAllocLabelIDBuf);
Log.e("rs", "Done loading icons");
mState.iconCount = count;
mParams.save();
mState.save();
}
Allocation makeTextBitmap(Utilities.BubbleText bubble, String label) {
@@ -449,27 +320,18 @@ public class AllAppsView extends RSSurfaceView {
return a;
}
private void initRS() {
private void initRs() {
ScriptC.Builder sb = new ScriptC.Builder(mRS);
sb.setScript(mRes, R.raw.rollo);
//sb.setScript(mRes, R.raw.rollo2);
sb.setRoot(true);
mScript = sb.create();
mScript.setClearColor(0.0f, 0.0f, 0.0f, 0.0f);
mAllocStateBuf = new int[] {0, 0, 0, 8, 0, 0, -1, 0, mAllocIconIDBuf.length, 0, 0};
mAllocState = Allocation.createSized(mRS,
Element.USER_I32, mAllocStateBuf.length);
mScript.bindAllocation(mParams.getAllocation(), ALLOC_PARAMS);
mScript.bindAllocation(mAllocState, ALLOC_STATE);
mScript.bindAllocation(mState.getAllocation(), ALLOC_STATE);
mScript.bindAllocation(mAllocIconID, ALLOC_ICON_IDS);
mScript.bindAllocation(mAllocScratch, ALLOC_SCRATCH);
mScript.bindAllocation(mAllocLabelID, ALLOC_LABEL_IDS);
setPosition(0);
setZoom(1);
//RenderScript.File f = mRS.fileOpen("/sdcard/test.a3d");
mRS.contextBindRootScript(mScript);
}