1 files changed, 176 insertions, 0 deletions
diff --git a/platform/android/src/com/artifex/mupdfdemo/MuPDFReflowView.java b/platform/android/src/com/artifex/mupdfdemo/MuPDFReflowView.java
new file mode 100644
index 00000000..0c7074bc
--- /dev/null
+++ b/platform/android/src/com/artifex/mupdfdemo/MuPDFReflowView.java
@@ -0,0 +1,176 @@
+package com.artifex.mupdfdemo;
+
+import android.content.Context;
+import android.graphics.Point;
+import android.graphics.PointF;
+import android.graphics.RectF;
+import android.os.Handler;
+import android.util.Base64;
+import android.view.MotionEvent;
+import android.view.View;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+public class MuPDFReflowView extends WebView implements MuPDFView {
+	private final MuPDFCore mCore;
+	private final Handler mHandler;
+	private final Point mParentSize;
+	private int mPage;
+	private int mContentHeight;
+	AsyncTask<Void,Void,byte[]> mLoadHTML;
+
+	public MuPDFReflowView(Context c, MuPDFCore core, Point parentSize) {
+		super(c);
+		mHandler = new Handler();
+		mCore = core;
+		mParentSize = parentSize;
+		mContentHeight = parentSize.y;
+		getSettings().setJavaScriptEnabled(true);
+		addJavascriptInterface(new Object(){
+			public void reportContentHeight(String value) {
+				mContentHeight = (int)Float.parseFloat(value);
+				mHandler.post(new Runnable() {
+					public void run() {
+						requestLayout();
+					}
+				});
+			}
+		}, "HTMLOUT");
+		setWebViewClient(new WebViewClient() {
+			@Override
+			public void onPageFinished(WebView view, String url) {
+				requestHeight();
+			}
+		});
+	}
+
+	private void requestHeight() {
+		// Get the webview to report the content height via the interface setup
+		// above. Workaround for getContentHeight not working
+		loadUrl("javascript:elem=document.getElementById('content');window.HTMLOUT.reportContentHeight("+mParentSize.x+"*elem.offsetHeight/elem.offsetWidth)");
+	}
+
+	public void setPage(int page, PointF size) {
+		mPage = page;
+		if (mLoadHTML != null) {
+			mLoadHTML.cancel(true);
+		}
+		mLoadHTML = new AsyncTask<Void,Void,byte[]>() {
+			@Override
+			protected byte[] doInBackground(Void... params) {
+				return mCore.html(mPage);
+			}
+			@Override
+			protected void onPostExecute(byte[] result) {
+				String b64 = Base64.encodeToString(result, Base64.DEFAULT);
+				loadData(b64, "text/html; charset=utf-8", "base64");
+			}
+		};
+		mLoadHTML.execute();
+	}
+
+	public int getPage() {
+		return mPage;
+	}
+
+	public void setScale(float scale) {
+		loadUrl("javascript:document.getElementById('content').style.zoom=\""+(int)(scale*100)+"%\"");
+		requestHeight();
+	}
+
+	public void blank(int page) {
+	}
+
+	public Hit passClickEvent(float x, float y) {
+		return Hit.Nothing;
+	}
+
+	public LinkInfo hitLink(float x, float y) {
+		return null;
+	}
+
+	public void selectText(float x0, float y0, float x1, float y1) {
+	}
+
+	public void deselectText() {
+	}
+
+	public boolean copySelection() {
+		return false;
+	}
+
+	public boolean markupSelection(Annotation.Type type) {
+		return false;
+	}
+
+	public void startDraw(float x, float y) {
+	}
+
+	public void continueDraw(float x, float y) {
+	}
+
+	public void cancelDraw() {
+	}
+
+	public boolean saveDraw() {
+		return false;
+	}
+
+	public void setSearchBoxes(RectF[] searchBoxes) {
+	}
+
+	public void setLinkHighlighting(boolean f) {
+	}
+
+	public void deleteSelectedAnnotation() {
+	}
+
+	public void deselectAnnotation() {
+	}
+
+	public void setChangeReporter(Runnable reporter) {
+	}
+
+	public void update() {
+	}
+
+	public void addHq(boolean update) {
+	}
+
+	public void removeHq() {
+	}
+
+	public void releaseResources() {
+		if (mLoadHTML != null) {
+			mLoadHTML.cancel(true);
+			mLoadHTML = null;
+		}
+	}
+
+	@Override
+	protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+		int x, y;
+		switch(View.MeasureSpec.getMode(widthMeasureSpec)) {
+		case View.MeasureSpec.UNSPECIFIED:
+			x = mParentSize.x;
+			break;
+		default:
+			x = View.MeasureSpec.getSize(widthMeasureSpec);
+		}
+		switch(View.MeasureSpec.getMode(heightMeasureSpec)) {
+		case View.MeasureSpec.UNSPECIFIED:
+			y = mContentHeight;
+			break;
+		default:
+			y = View.MeasureSpec.getSize(heightMeasureSpec);
+		}
+
+		setMeasuredDimension(x, y);
+	}
+
+	@Override
+	public boolean onTouchEvent(MotionEvent ev) {
+		// TODO Auto-generated method stub
+		return false;
+	}
+}