diff options
Diffstat (limited to 'android/src/com/artifex/mupdfdemo/MuPDFReaderView.java')
| -rw-r--r-- | android/src/com/artifex/mupdfdemo/MuPDFReaderView.java | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/android/src/com/artifex/mupdfdemo/MuPDFReaderView.java b/android/src/com/artifex/mupdfdemo/MuPDFReaderView.java deleted file mode 100644 index 9cab70b7..00000000 --- a/android/src/com/artifex/mupdfdemo/MuPDFReaderView.java +++ /dev/null @@ -1,261 +0,0 @@ -package com.artifex.mupdfdemo; - -import android.app.Activity; -import android.content.Context; -import android.content.Intent; -import android.net.Uri; -import android.util.DisplayMetrics; -import android.view.MotionEvent; -import android.view.ScaleGestureDetector; -import android.view.View; - -public class MuPDFReaderView extends ReaderView { - enum Mode {Viewing, Selecting, Drawing} - private final Context mContext; - private boolean mLinksEnabled = false; - private Mode mMode = Mode.Viewing; - private boolean tapDisabled = false; - private int tapPageMargin; - - protected void onTapMainDocArea() {} - protected void onDocMotion() {} - protected void onHit(Hit item) {}; - - public void setLinksEnabled(boolean b) { - mLinksEnabled = b; - resetupChildren(); - } - - public void setMode(Mode m) { - mMode = m; - } - - public MuPDFReaderView(Activity act) { - super(act); - mContext = act; - // Get the screen size etc to customise tap margins. - // We calculate the size of 1 inch of the screen for tapping. - // On some devices the dpi values returned are wrong, so we - // sanity check it: we first restrict it so that we are never - // less than 100 pixels (the smallest Android device screen - // dimension I've seen is 480 pixels or so). Then we check - // to ensure we are never more than 1/5 of the screen width. - DisplayMetrics dm = new DisplayMetrics(); - act.getWindowManager().getDefaultDisplay().getMetrics(dm); - tapPageMargin = (int)dm.xdpi; - if (tapPageMargin < 100) - tapPageMargin = 100; - if (tapPageMargin > dm.widthPixels/5) - tapPageMargin = dm.widthPixels/5; - } - - public boolean onSingleTapUp(MotionEvent e) { - LinkInfo link = null; - - if (mMode == Mode.Viewing && !tapDisabled) { - MuPDFView pageView = (MuPDFView) getDisplayedView(); - Hit item = pageView.passClickEvent(e.getX(), e.getY()); - onHit(item); - if (item == Hit.Nothing) { - if (mLinksEnabled && pageView != null - && (link = pageView.hitLink(e.getX(), e.getY())) != null) { - link.acceptVisitor(new LinkInfoVisitor() { - @Override - public void visitInternal(LinkInfoInternal li) { - // Clicked on an internal (GoTo) link - setDisplayedViewIndex(li.pageNumber); - } - - @Override - public void visitExternal(LinkInfoExternal li) { - Intent intent = new Intent(Intent.ACTION_VIEW, Uri - .parse(li.url)); - mContext.startActivity(intent); - } - - @Override - public void visitRemote(LinkInfoRemote li) { - // Clicked on a remote (GoToR) link - } - }); - } else if (e.getX() < tapPageMargin) { - super.smartMoveBackwards(); - } else if (e.getX() > super.getWidth() - tapPageMargin) { - super.smartMoveForwards(); - } else if (e.getY() < tapPageMargin) { - super.smartMoveBackwards(); - } else if (e.getY() > super.getHeight() - tapPageMargin) { - super.smartMoveForwards(); - } else { - onTapMainDocArea(); - } - } - } - return super.onSingleTapUp(e); - } - - @Override - public boolean onDown(MotionEvent e) { - - return super.onDown(e); - } - - public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, - float distanceY) { - MuPDFView pageView = (MuPDFView)getDisplayedView(); - switch (mMode) { - case Viewing: - if (!tapDisabled) - onDocMotion(); - - return super.onScroll(e1, e2, distanceX, distanceY); - case Selecting: - if (pageView != null) - pageView.selectText(e1.getX(), e1.getY(), e2.getX(), e2.getY()); - return true; - default: - return true; - } - } - - @Override - public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, - float velocityY) { - switch (mMode) { - case Viewing: - return super.onFling(e1, e2, velocityX, velocityY); - default: - return true; - } - } - - public boolean onScaleBegin(ScaleGestureDetector d) { - // Disabled showing the buttons until next touch. - // Not sure why this is needed, but without it - // pinch zoom can make the buttons appear - tapDisabled = true; - return super.onScaleBegin(d); - } - - public boolean onTouchEvent(MotionEvent event) { - - if ( mMode == Mode.Drawing ) - { - float x = event.getX(); - float y = event.getY(); - switch (event.getAction()) - { - case MotionEvent.ACTION_DOWN: - touch_start(x, y); - break; - case MotionEvent.ACTION_MOVE: - touch_move(x, y); - break; - case MotionEvent.ACTION_UP: - touch_up(); - break; - } - } - - if ((event.getAction() & event.getActionMasked()) == MotionEvent.ACTION_DOWN) - { - tapDisabled = false; - } - - return super.onTouchEvent(event); - } - - private float mX, mY; - - private static final float TOUCH_TOLERANCE = 2; - - private void touch_start(float x, float y) { - - MuPDFView pageView = (MuPDFView)getDisplayedView(); - if (pageView != null) - { - pageView.startDraw(x, y); - } - mX = x; - mY = y; - } - - private void touch_move(float x, float y) { - - float dx = Math.abs(x - mX); - float dy = Math.abs(y - mY); - if (dx >= TOUCH_TOLERANCE || dy >= TOUCH_TOLERANCE) - { - MuPDFView pageView = (MuPDFView)getDisplayedView(); - if (pageView != null) - { - pageView.continueDraw(x, y); - } - mX = x; - mY = y; - } - } - - private void touch_up() { - - // NOOP - } - - protected void onChildSetup(int i, View v) { - if (SearchTaskResult.get() != null - && SearchTaskResult.get().pageNumber == i) - ((MuPDFView) v).setSearchBoxes(SearchTaskResult.get().searchBoxes); - else - ((MuPDFView) v).setSearchBoxes(null); - - ((MuPDFView) v).setLinkHighlighting(mLinksEnabled); - - ((MuPDFView) v).setChangeReporter(new Runnable() { - public void run() { - applyToChildren(new ReaderView.ViewMapper() { - @Override - void applyToView(View view) { - ((MuPDFView) view).update(); - } - }); - } - }); - } - - protected void onMoveToChild(int i) { - if (SearchTaskResult.get() != null - && SearchTaskResult.get().pageNumber != i) { - SearchTaskResult.set(null); - resetupChildren(); - } - } - - @Override - protected void onMoveOffChild(int i) { - View v = getView(i); - if (v != null) - ((MuPDFView)v).deselectAnnotation(); - } - - protected void onSettle(View v) { - // When the layout has settled ask the page to render - // in HQ - ((MuPDFView) v).addHq(false); - } - - protected void onUnsettle(View v) { - // When something changes making the previous settled view - // no longer appropriate, tell the page to remove HQ - ((MuPDFView) v).removeHq(); - } - - @Override - protected void onNotInUse(View v) { - ((MuPDFView) v).releaseResources(); - } - - @Override - protected void onScaleChild(View v, Float scale) { - ((MuPDFView) v).setScale(scale); - } -} |