diff options
author | Tor Andersson <tor.andersson@artifex.com> | 2016-03-30 17:49:04 +0200 |
---|---|---|
committer | Tor Andersson <tor.andersson@artifex.com> | 2016-03-31 13:00:41 +0200 |
commit | d68576c3785572c1f5d41f83015b8fe6bbcbe9e8 (patch) | |
tree | 431a86edfac640864ba7f406611e8fe9929908cd /platform/android/viewer/src/com/artifex/mupdfdemo/ChoosePDFActivity.java | |
parent | 32cdb2246eeb9e8109a712ec2a5dd2938e30e9b6 (diff) | |
download | mupdf-d68576c3785572c1f5d41f83015b8fe6bbcbe9e8.tar.xz |
Reorganize java and android source.
platform/java and platform/android are reorganized:
platform/java
The new JNI Java classes, mupdf_native.{c,h}, Makefile and Makejar.
platform/java/example
The example desktop viewer classes.
platform/android/viewer
The original demo viewer.
ndk-build is used to build libmupdf_java.so,
making reference to mupdf_native.{c,h} in platform/java.
Diffstat (limited to 'platform/android/viewer/src/com/artifex/mupdfdemo/ChoosePDFActivity.java')
-rw-r--r-- | platform/android/viewer/src/com/artifex/mupdfdemo/ChoosePDFActivity.java | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/platform/android/viewer/src/com/artifex/mupdfdemo/ChoosePDFActivity.java b/platform/android/viewer/src/com/artifex/mupdfdemo/ChoosePDFActivity.java new file mode 100644 index 00000000..f6068bac --- /dev/null +++ b/platform/android/viewer/src/com/artifex/mupdfdemo/ChoosePDFActivity.java @@ -0,0 +1,227 @@ +package com.artifex.mupdfdemo; + +import java.io.File; +import java.io.FileFilter; +import java.util.Arrays; +import java.util.Comparator; +import java.util.HashMap; +import java.util.Map; + +import android.app.AlertDialog; +import android.app.ListActivity; +import android.content.DialogInterface; +import android.content.DialogInterface.OnClickListener; +import android.content.Intent; +import android.content.res.Resources; +import android.net.Uri; +import android.os.Bundle; +import android.os.Environment; +import android.os.FileObserver; +import android.os.Handler; +import android.view.View; +import android.widget.ListView; + +enum Purpose { + PickPDF, + PickKeyFile +} + +public class ChoosePDFActivity extends ListActivity { + static public final String PICK_KEY_FILE = "com.artifex.mupdfdemo.PICK_KEY_FILE"; + static private File mDirectory; + static private Map<String, Integer> mPositions = new HashMap<String, Integer>(); + private File mParent; + private File [] mDirs; + private File [] mFiles; + private Handler mHandler; + private Runnable mUpdateFiles; + private ChoosePDFAdapter adapter; + private Purpose mPurpose; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + mPurpose = PICK_KEY_FILE.equals(getIntent().getAction()) ? Purpose.PickKeyFile : Purpose.PickPDF; + + + String storageState = Environment.getExternalStorageState(); + + if (!Environment.MEDIA_MOUNTED.equals(storageState) + && !Environment.MEDIA_MOUNTED_READ_ONLY.equals(storageState)) + { + AlertDialog.Builder builder = new AlertDialog.Builder(this); + builder.setTitle(R.string.no_media_warning); + builder.setMessage(R.string.no_media_hint); + AlertDialog alert = builder.create(); + alert.setButton(AlertDialog.BUTTON_POSITIVE,getString(R.string.dismiss), + new OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + finish(); + } + }); + alert.show(); + return; + } + + if (mDirectory == null) + mDirectory = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS); + + // Create a list adapter... + adapter = new ChoosePDFAdapter(getLayoutInflater()); + setListAdapter(adapter); + + // ...that is updated dynamically when files are scanned + mHandler = new Handler(); + mUpdateFiles = new Runnable() { + public void run() { + Resources res = getResources(); + String appName = res.getString(R.string.app_name); + String version = res.getString(R.string.version); + String title = res.getString(R.string.picker_title_App_Ver_Dir); + setTitle(String.format(title, appName, version, mDirectory)); + + mParent = mDirectory.getParentFile(); + + mDirs = mDirectory.listFiles(new FileFilter() { + + public boolean accept(File file) { + return file.isDirectory(); + } + }); + if (mDirs == null) + mDirs = new File[0]; + + mFiles = mDirectory.listFiles(new FileFilter() { + + public boolean accept(File file) { + if (file.isDirectory()) + return false; + String fname = file.getName().toLowerCase(); + switch (mPurpose) { + case PickPDF: + if (fname.endsWith(".pdf")) + return true; + if (fname.endsWith(".xps")) + return true; + if (fname.endsWith(".cbz")) + return true; + if (fname.endsWith(".epub")) + return true; + if (fname.endsWith(".png")) + return true; + if (fname.endsWith(".jpe")) + return true; + if (fname.endsWith(".jpeg")) + return true; + if (fname.endsWith(".jpg")) + return true; + if (fname.endsWith(".jfif")) + return true; + if (fname.endsWith(".jfif-tbnl")) + return true; + if (fname.endsWith(".tif")) + return true; + if (fname.endsWith(".tiff")) + return true; + return false; + case PickKeyFile: + if (fname.endsWith(".pfx")) + return true; + return false; + default: + return false; + } + } + }); + if (mFiles == null) + mFiles = new File[0]; + + Arrays.sort(mFiles, new Comparator<File>() { + public int compare(File arg0, File arg1) { + return arg0.getName().compareToIgnoreCase(arg1.getName()); + } + }); + + Arrays.sort(mDirs, new Comparator<File>() { + public int compare(File arg0, File arg1) { + return arg0.getName().compareToIgnoreCase(arg1.getName()); + } + }); + + adapter.clear(); + if (mParent != null) + adapter.add(new ChoosePDFItem(ChoosePDFItem.Type.PARENT, getString(R.string.parent_directory))); + for (File f : mDirs) + adapter.add(new ChoosePDFItem(ChoosePDFItem.Type.DIR, f.getName())); + for (File f : mFiles) + adapter.add(new ChoosePDFItem(ChoosePDFItem.Type.DOC, f.getName())); + + lastPosition(); + } + }; + + // Start initial file scan... + mHandler.post(mUpdateFiles); + + // ...and observe the directory and scan files upon changes. + FileObserver observer = new FileObserver(mDirectory.getPath(), FileObserver.CREATE | FileObserver.DELETE) { + public void onEvent(int event, String path) { + mHandler.post(mUpdateFiles); + } + }; + observer.startWatching(); + } + + private void lastPosition() { + String p = mDirectory.getAbsolutePath(); + if (mPositions.containsKey(p)) + getListView().setSelection(mPositions.get(p)); + } + + @Override + protected void onListItemClick(ListView l, View v, int position, long id) { + super.onListItemClick(l, v, position, id); + + mPositions.put(mDirectory.getAbsolutePath(), getListView().getFirstVisiblePosition()); + + if (position < (mParent == null ? 0 : 1)) { + mDirectory = mParent; + mHandler.post(mUpdateFiles); + return; + } + + position -= (mParent == null ? 0 : 1); + + if (position < mDirs.length) { + mDirectory = mDirs[position]; + mHandler.post(mUpdateFiles); + return; + } + + position -= mDirs.length; + + Uri uri = Uri.fromFile(mFiles[position]); + Intent intent = new Intent(this,MuPDFActivity.class); + intent.setAction(Intent.ACTION_VIEW); + intent.setData(uri); + switch (mPurpose) { + case PickPDF: + // Start an activity to display the PDF file + startActivity(intent); + break; + case PickKeyFile: + // Return the uri to the caller + setResult(RESULT_OK, intent); + finish(); + break; + } + } + + @Override + protected void onPause() { + super.onPause(); + if (mDirectory != null) + mPositions.put(mDirectory.getAbsolutePath(), getListView().getFirstVisiblePosition()); + } +} |