diff options
Diffstat (limited to 'platform/android/src/com/artifex/mupdfdemo/MuPDFPageView.java')
| -rw-r--r-- | platform/android/src/com/artifex/mupdfdemo/MuPDFPageView.java | 692 |
1 files changed, 0 insertions, 692 deletions
diff --git a/platform/android/src/com/artifex/mupdfdemo/MuPDFPageView.java b/platform/android/src/com/artifex/mupdfdemo/MuPDFPageView.java deleted file mode 100644 index ff6b6bbb..00000000 --- a/platform/android/src/com/artifex/mupdfdemo/MuPDFPageView.java +++ /dev/null @@ -1,692 +0,0 @@ -package com.artifex.mupdfdemo; - -import java.util.ArrayList; - -import com.artifex.mupdfdemo.MuPDFCore.Cookie; - -import android.annotation.TargetApi; -import android.app.AlertDialog; -import android.content.ClipData; -import android.content.Context; -import android.content.DialogInterface; -import android.graphics.Bitmap; -import android.graphics.Point; -import android.graphics.PointF; -import android.graphics.RectF; -import android.net.Uri; -import android.os.Build; -import android.text.method.PasswordTransformationMethod; -import android.view.LayoutInflater; -import android.view.WindowManager; -import android.view.inputmethod.EditorInfo; -import android.widget.EditText; - -/* This enum should be kept in line with the cooresponding C enum in mupdf.c */ -enum SignatureState { - NoSupport, - Unsigned, - Signed -} - -abstract class PassClickResultVisitor { - public abstract void visitText(PassClickResultText result); - public abstract void visitChoice(PassClickResultChoice result); - public abstract void visitSignature(PassClickResultSignature result); -} - -class PassClickResult { - public final boolean changed; - - public PassClickResult(boolean _changed) { - changed = _changed; - } - - public void acceptVisitor(PassClickResultVisitor visitor) { - } -} - -class PassClickResultText extends PassClickResult { - public final String text; - - public PassClickResultText(boolean _changed, String _text) { - super(_changed); - text = _text; - } - - public void acceptVisitor(PassClickResultVisitor visitor) { - visitor.visitText(this); - } -} - -class PassClickResultChoice extends PassClickResult { - public final String [] options; - public final String [] selected; - - public PassClickResultChoice(boolean _changed, String [] _options, String [] _selected) { - super(_changed); - options = _options; - selected = _selected; - } - - public void acceptVisitor(PassClickResultVisitor visitor) { - visitor.visitChoice(this); - } -} - -class PassClickResultSignature extends PassClickResult { - public final SignatureState state; - - public PassClickResultSignature(boolean _changed, int _state) { - super(_changed); - state = SignatureState.values()[_state]; - } - - public void acceptVisitor(PassClickResultVisitor visitor) { - visitor.visitSignature(this); - } -} - -public class MuPDFPageView extends PageView implements MuPDFView { - final private FilePicker.FilePickerSupport mFilePickerSupport; - private final MuPDFCore mCore; - private AsyncTask<Void,Void,PassClickResult> mPassClick; - private RectF mWidgetAreas[]; - private Annotation mAnnotations[]; - private int mSelectedAnnotationIndex = -1; - private AsyncTask<Void,Void,RectF[]> mLoadWidgetAreas; - private AsyncTask<Void,Void,Annotation[]> mLoadAnnotations; - private AlertDialog.Builder mTextEntryBuilder; - private AlertDialog.Builder mChoiceEntryBuilder; - private AlertDialog.Builder mSigningDialogBuilder; - private AlertDialog.Builder mSignatureReportBuilder; - private AlertDialog.Builder mPasswordEntryBuilder; - private EditText mPasswordText; - private AlertDialog mTextEntry; - private AlertDialog mPasswordEntry; - private EditText mEditText; - private AsyncTask<String,Void,Boolean> mSetWidgetText; - private AsyncTask<String,Void,Void> mSetWidgetChoice; - private AsyncTask<PointF[],Void,Void> mAddStrikeOut; - private AsyncTask<PointF[][],Void,Void> mAddInk; - private AsyncTask<Integer,Void,Void> mDeleteAnnotation; - private AsyncTask<Void,Void,String> mCheckSignature; - private AsyncTask<Void,Void,Boolean> mSign; - private Runnable changeReporter; - - public MuPDFPageView(Context c, FilePicker.FilePickerSupport filePickerSupport, MuPDFCore core, Point parentSize, Bitmap sharedHqBm) { - super(c, parentSize, sharedHqBm); - mFilePickerSupport = filePickerSupport; - mCore = core; - mTextEntryBuilder = new AlertDialog.Builder(c); - mTextEntryBuilder.setTitle(getContext().getString(R.string.fill_out_text_field)); - LayoutInflater inflater = (LayoutInflater)c.getSystemService(Context.LAYOUT_INFLATER_SERVICE); - mEditText = (EditText)inflater.inflate(R.layout.textentry, null); - mTextEntryBuilder.setView(mEditText); - mTextEntryBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - } - }); - mTextEntryBuilder.setPositiveButton(R.string.okay, new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mSetWidgetText = new AsyncTask<String,Void,Boolean> () { - @Override - protected Boolean doInBackground(String... arg0) { - return mCore.setFocusedWidgetText(mPageNumber, arg0[0]); - } - @Override - protected void onPostExecute(Boolean result) { - changeReporter.run(); - if (!result) - invokeTextDialog(mEditText.getText().toString()); - } - }; - - mSetWidgetText.execute(mEditText.getText().toString()); - } - }); - mTextEntry = mTextEntryBuilder.create(); - - mChoiceEntryBuilder = new AlertDialog.Builder(c); - mChoiceEntryBuilder.setTitle(getContext().getString(R.string.choose_value)); - - mSigningDialogBuilder = new AlertDialog.Builder(c); - mSigningDialogBuilder.setTitle("Select certificate and sign?"); - mSigningDialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - } - }); - mSigningDialogBuilder.setPositiveButton(R.string.okay, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - FilePicker picker = new FilePicker(mFilePickerSupport) { - @Override - void onPick(Uri uri) { - signWithKeyFile(uri); - } - }; - - picker.pick(); - } - }); - - mSignatureReportBuilder = new AlertDialog.Builder(c); - mSignatureReportBuilder.setTitle("Signature checked"); - mSignatureReportBuilder.setPositiveButton(R.string.okay, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - } - }); - - mPasswordText = new EditText(c); - mPasswordText.setInputType(EditorInfo.TYPE_TEXT_VARIATION_PASSWORD); - mPasswordText.setTransformationMethod(new PasswordTransformationMethod()); - - mPasswordEntryBuilder = new AlertDialog.Builder(c); - mPasswordEntryBuilder.setTitle(R.string.enter_password); - mPasswordEntryBuilder.setView(mPasswordText); - mPasswordEntryBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - } - }); - - mPasswordEntry = mPasswordEntryBuilder.create(); - } - - private void signWithKeyFile(final Uri uri) { - mPasswordEntry.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE); - mPasswordEntry.setButton(AlertDialog.BUTTON_POSITIVE, "Sign", new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - signWithKeyFileAndPassword(uri, mPasswordText.getText().toString()); - } - }); - - mPasswordEntry.show(); - } - - private void signWithKeyFileAndPassword(final Uri uri, final String password) { - mSign = new AsyncTask<Void,Void,Boolean>() { - @Override - protected Boolean doInBackground(Void... params) { - return mCore.signFocusedSignature(Uri.decode(uri.getEncodedPath()), password); - } - @Override - protected void onPostExecute(Boolean result) { - if (result) - { - changeReporter.run(); - } - else - { - mPasswordText.setText(""); - signWithKeyFile(uri); - } - } - - }; - - mSign.execute(); - } - - public LinkInfo hitLink(float x, float y) { - // Since link highlighting was implemented, the super class - // PageView has had sufficient information to be able to - // perform this method directly. Making that change would - // make MuPDFCore.hitLinkPage superfluous. - float scale = mSourceScale*(float)getWidth()/(float)mSize.x; - float docRelX = (x - getLeft())/scale; - float docRelY = (y - getTop())/scale; - - for (LinkInfo l: mLinks) - if (l.rect.contains(docRelX, docRelY)) - return l; - - return null; - } - - private void invokeTextDialog(String text) { - mEditText.setText(text); - mTextEntry.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE); - mTextEntry.show(); - } - - private void invokeChoiceDialog(final String [] options) { - mChoiceEntryBuilder.setItems(options, new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mSetWidgetChoice = new AsyncTask<String,Void,Void>() { - @Override - protected Void doInBackground(String... params) { - String [] sel = {params[0]}; - mCore.setFocusedWidgetChoiceSelected(sel); - return null; - } - - @Override - protected void onPostExecute(Void result) { - changeReporter.run(); - } - }; - - mSetWidgetChoice.execute(options[which]); - } - }); - AlertDialog dialog = mChoiceEntryBuilder.create(); - dialog.show(); - } - - private void invokeSignatureCheckingDialog() { - mCheckSignature = new AsyncTask<Void,Void,String> () { - @Override - protected String doInBackground(Void... params) { - return mCore.checkFocusedSignature(); - } - @Override - protected void onPostExecute(String result) { - AlertDialog report = mSignatureReportBuilder.create(); - report.setMessage(result); - report.show(); - } - }; - - mCheckSignature.execute(); - } - - private void invokeSigningDialog() { - AlertDialog dialog = mSigningDialogBuilder.create(); - dialog.show(); - } - - private void warnNoSignatureSupport() { - AlertDialog dialog = mSignatureReportBuilder.create(); - dialog.setTitle("App built with no signature support"); - dialog.show(); - } - - public void setChangeReporter(Runnable reporter) { - changeReporter = reporter; - } - - public Hit passClickEvent(float x, float y) { - float scale = mSourceScale*(float)getWidth()/(float)mSize.x; - final float docRelX = (x - getLeft())/scale; - final float docRelY = (y - getTop())/scale; - boolean hit = false; - int i; - - if (mAnnotations != null) { - for (i = 0; i < mAnnotations.length; i++) - if (mAnnotations[i].contains(docRelX, docRelY)) { - hit = true; - break; - } - - if (hit) { - switch (mAnnotations[i].type) { - case HIGHLIGHT: - case UNDERLINE: - case SQUIGGLY: - case STRIKEOUT: - case INK: - mSelectedAnnotationIndex = i; - setItemSelectBox(mAnnotations[i]); - return Hit.Annotation; - } - } - } - - mSelectedAnnotationIndex = -1; - setItemSelectBox(null); - - if (!mCore.javascriptSupported()) - return Hit.Nothing; - - if (mWidgetAreas != null) { - for (i = 0; i < mWidgetAreas.length && !hit; i++) - if (mWidgetAreas[i].contains(docRelX, docRelY)) - hit = true; - } - - if (hit) { - mPassClick = new AsyncTask<Void,Void,PassClickResult>() { - @Override - protected PassClickResult doInBackground(Void... arg0) { - return mCore.passClickEvent(mPageNumber, docRelX, docRelY); - } - - @Override - protected void onPostExecute(PassClickResult result) { - if (result.changed) { - changeReporter.run(); - } - - result.acceptVisitor(new PassClickResultVisitor() { - @Override - public void visitText(PassClickResultText result) { - invokeTextDialog(result.text); - } - - @Override - public void visitChoice(PassClickResultChoice result) { - invokeChoiceDialog(result.options); - } - - @Override - public void visitSignature(PassClickResultSignature result) { - switch (result.state) { - case NoSupport: - warnNoSignatureSupport(); - break; - case Unsigned: - invokeSigningDialog(); - break; - case Signed: - invokeSignatureCheckingDialog(); - break; - } - } - }); - } - }; - - mPassClick.execute(); - return Hit.Widget; - } - - return Hit.Nothing; - } - - @TargetApi(11) - public boolean copySelection() { - final StringBuilder text = new StringBuilder(); - - processSelectedText(new TextProcessor() { - StringBuilder line; - - public void onStartLine() { - line = new StringBuilder(); - } - - public void onWord(TextWord word) { - if (line.length() > 0) - line.append(' '); - line.append(word.w); - } - - public void onEndLine() { - if (text.length() > 0) - text.append('\n'); - text.append(line); - } - }); - - if (text.length() == 0) - return false; - - int currentApiVersion = android.os.Build.VERSION.SDK_INT; - if (currentApiVersion >= android.os.Build.VERSION_CODES.HONEYCOMB) { - android.content.ClipboardManager cm = (android.content.ClipboardManager)mContext.getSystemService(Context.CLIPBOARD_SERVICE); - - cm.setPrimaryClip(ClipData.newPlainText("MuPDF", text)); - } else { - android.text.ClipboardManager cm = (android.text.ClipboardManager)mContext.getSystemService(Context.CLIPBOARD_SERVICE); - cm.setText(text); - } - - deselectText(); - - return true; - } - - public boolean markupSelection(final Annotation.Type type) { - final ArrayList<PointF> quadPoints = new ArrayList<PointF>(); - processSelectedText(new TextProcessor() { - RectF rect; - - public void onStartLine() { - rect = new RectF(); - } - - public void onWord(TextWord word) { - rect.union(word); - } - - public void onEndLine() { - if (!rect.isEmpty()) { - quadPoints.add(new PointF(rect.left, rect.bottom)); - quadPoints.add(new PointF(rect.right, rect.bottom)); - quadPoints.add(new PointF(rect.right, rect.top)); - quadPoints.add(new PointF(rect.left, rect.top)); - } - } - }); - - if (quadPoints.size() == 0) - return false; - - mAddStrikeOut = new AsyncTask<PointF[],Void,Void>() { - @Override - protected Void doInBackground(PointF[]... params) { - addMarkup(params[0], type); - return null; - } - - @Override - protected void onPostExecute(Void result) { - loadAnnotations(); - update(); - } - }; - - mAddStrikeOut.execute(quadPoints.toArray(new PointF[quadPoints.size()])); - - deselectText(); - - return true; - } - - public void deleteSelectedAnnotation() { - if (mSelectedAnnotationIndex != -1) { - if (mDeleteAnnotation != null) - mDeleteAnnotation.cancel(true); - - mDeleteAnnotation = new AsyncTask<Integer,Void,Void>() { - @Override - protected Void doInBackground(Integer... params) { - mCore.deleteAnnotation(mPageNumber, params[0]); - return null; - } - - @Override - protected void onPostExecute(Void result) { - loadAnnotations(); - update(); - } - }; - - mDeleteAnnotation.execute(mSelectedAnnotationIndex); - - mSelectedAnnotationIndex = -1; - setItemSelectBox(null); - } - } - - public void deselectAnnotation() { - mSelectedAnnotationIndex = -1; - setItemSelectBox(null); - } - - public boolean saveDraw() { - PointF[][] path = getDraw(); - - if (path == null) - return false; - - if (mAddInk != null) { - mAddInk.cancel(true); - mAddInk = null; - } - mAddInk = new AsyncTask<PointF[][],Void,Void>() { - @Override - protected Void doInBackground(PointF[][]... params) { - mCore.addInkAnnotation(mPageNumber, params[0]); - return null; - } - - @Override - protected void onPostExecute(Void result) { - loadAnnotations(); - update(); - } - - }; - - mAddInk.execute(getDraw()); - cancelDraw(); - - return true; - } - - - @Override - protected CancellableTaskDefinition<Void, Void> getDrawPageTask(final Bitmap bm, final int sizeX, final int sizeY, - final int patchX, final int patchY, final int patchWidth, final int patchHeight) { - return new MuPDFCancellableTaskDefinition<Void, Void>(mCore) { - @Override - public Void doInBackground(MuPDFCore.Cookie cookie, Void ... params) { - // Workaround bug in Android Honeycomb 3.x, where the bitmap generation count - // is not incremented when drawing. - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB && - Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) - bm.eraseColor(0); - mCore.drawPage(bm, mPageNumber, sizeX, sizeY, patchX, patchY, patchWidth, patchHeight, cookie); - return null; - } - }; - - } - - protected CancellableTaskDefinition<Void, Void> getUpdatePageTask(final Bitmap bm, final int sizeX, final int sizeY, - final int patchX, final int patchY, final int patchWidth, final int patchHeight) - { - return new MuPDFCancellableTaskDefinition<Void, Void>(mCore) { - - @Override - public Void doInBackground(MuPDFCore.Cookie cookie, Void ... params) { - // Workaround bug in Android Honeycomb 3.x, where the bitmap generation count - // is not incremented when drawing. - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB && - Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) - bm.eraseColor(0); - mCore.updatePage(bm, mPageNumber, sizeX, sizeY, patchX, patchY, patchWidth, patchHeight, cookie); - return null; - } - }; - } - - @Override - protected LinkInfo[] getLinkInfo() { - return mCore.getPageLinks(mPageNumber); - } - - @Override - protected TextWord[][] getText() { - return mCore.textLines(mPageNumber); - } - - @Override - protected void addMarkup(PointF[] quadPoints, Annotation.Type type) { - mCore.addMarkupAnnotation(mPageNumber, quadPoints, type); - } - - private void loadAnnotations() { - mAnnotations = null; - if (mLoadAnnotations != null) - mLoadAnnotations.cancel(true); - mLoadAnnotations = new AsyncTask<Void,Void,Annotation[]> () { - @Override - protected Annotation[] doInBackground(Void... params) { - return mCore.getAnnoations(mPageNumber); - } - - @Override - protected void onPostExecute(Annotation[] result) { - mAnnotations = result; - } - }; - - mLoadAnnotations.execute(); - } - - @Override - public void setPage(final int page, PointF size) { - loadAnnotations(); - - mLoadWidgetAreas = new AsyncTask<Void,Void,RectF[]> () { - @Override - protected RectF[] doInBackground(Void... arg0) { - return mCore.getWidgetAreas(page); - } - - @Override - protected void onPostExecute(RectF[] result) { - mWidgetAreas = result; - } - }; - - mLoadWidgetAreas.execute(); - - super.setPage(page, size); - } - - public void setScale(float scale) { - // This type of view scales automatically to fit the size - // determined by the parent view groups during layout - } - - @Override - public void releaseResources() { - if (mPassClick != null) { - mPassClick.cancel(true); - mPassClick = null; - } - - if (mLoadWidgetAreas != null) { - mLoadWidgetAreas.cancel(true); - mLoadWidgetAreas = null; - } - - if (mLoadAnnotations != null) { - mLoadAnnotations.cancel(true); - mLoadAnnotations = null; - } - - if (mSetWidgetText != null) { - mSetWidgetText.cancel(true); - mSetWidgetText = null; - } - - if (mSetWidgetChoice != null) { - mSetWidgetChoice.cancel(true); - mSetWidgetChoice = null; - } - - if (mAddStrikeOut != null) { - mAddStrikeOut.cancel(true); - mAddStrikeOut = null; - } - - if (mDeleteAnnotation != null) { - mDeleteAnnotation.cancel(true); - mDeleteAnnotation = null; - } - - super.releaseResources(); - } -} |