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Fix issue #32 Doesn't work with cordova-plugin-crosswalk-webview

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Use reflection for getView, getSettings, getTextSize/getTextZoom, and
setTextSize/setTextZoom so that the View does not need to be cast as an
android.webkit.WebView.
This commit is contained in:
Michael Jordan
2016-02-11 08:22:36 -05:00
parent 9714162405
commit e3ac5fc92f
6 changed files with 112 additions and 87 deletions
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src/android/com/phonegap/plugin/mobileaccessibility/DonutMobileAccessibilityHelper.java
+45 -24
View File
@@ -26,6 +26,7 @@ import android.content.Context;
import android.os.Build;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.view.View;
import android.webkit.WebSettings;
import android.webkit.WebView;
@@ -36,19 +37,20 @@ import java.lang.reflect.Method;
@TargetApi(Build.VERSION_CODES.DONUT)
public class DonutMobileAccessibilityHelper extends
AbstractMobileAccessibilityHelper {
protected AccessibilityManager mAccessibilityManager;
protected WebView mWebView;
AccessibilityManager mAccessibilityManager;
View mView;
@Override
public void initialize(MobileAccessibility mobileAccessibility) {
mMobileAccessibility = mobileAccessibility;
WebView view;
try {
mWebView = (WebView) mobileAccessibility.webView;
view = (WebView) mobileAccessibility.webView;
mView = view;
} catch(ClassCastException ce) { // cordova-android 4.0+
try {
Method getView = mobileAccessibility.webView.getClass().getMethod("getView");
mWebView = (WebView) getView.invoke(mobileAccessibility.webView);
mView = (View) getView.invoke(mobileAccessibility.webView);
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
@@ -108,9 +110,9 @@ public class DonutMobileAccessibilityHelper extends
final int eventType = AccessibilityEvent.TYPE_VIEW_FOCUSED;
final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
event.getText().add(text);
event.setEnabled(mWebView.isEnabled());
event.setClassName(mWebView.getClass().getName());
event.setPackageName(mWebView.getContext().getPackageName());
event.setEnabled(mView.isEnabled());
event.setClassName(mView.getClass().getName());
event.setPackageName(mView.getContext().getPackageName());
event.setContentDescription(null);
mAccessibilityManager.sendAccessibilityEvent(event);
@@ -120,7 +122,23 @@ public class DonutMobileAccessibilityHelper extends
@Override
public double getTextZoom() {
double zoom = 100;
WebSettings.TextSize wTextSize = mWebView.getSettings().getTextSize();
WebSettings.TextSize wTextSize = WebSettings.TextSize.NORMAL;
try {
Method getSettings = mView.getClass().getMethod("getSettings");
Object wSettings = getSettings.invoke(mView);
Method getTextSize = wSettings.getClass().getMethod("getTextSize");
wTextSize = (WebSettings.TextSize) getTextSize.invoke(wSettings);
} catch(ClassCastException ce) {
ce.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
switch (wTextSize) {
case LARGEST:
zoom = 200;
@@ -128,39 +146,42 @@ public class DonutMobileAccessibilityHelper extends
case LARGER:
zoom = 150;
break;
case NORMAL:
zoom = 100;
break;
case SMALLER:
zoom = 75;
break;
case SMALLEST:
zoom = 50;
break;
default:
zoom = 100;
break;
}
return zoom;
}
@SuppressWarnings("deprecation")
@Override
public void setTextZoom(double textZoom) {
final double zoom = textZoom;
WebSettings.TextSize wTextSize = WebSettings.TextSize.NORMAL;
if (zoom > 115) {
WebSettings.TextSize wTextSize = WebSettings.TextSize.SMALLEST;
if (textZoom > 115) {
wTextSize = WebSettings.TextSize.LARGEST;
} else if (zoom > 100) {
} else if (textZoom > 100) {
wTextSize = WebSettings.TextSize.LARGER;
} else if (zoom == 100) {
} else if (textZoom == 100) {
wTextSize = WebSettings.TextSize.NORMAL;
} else if (zoom > 50) {
} else if (textZoom > 50) {
wTextSize = WebSettings.TextSize.SMALLER;
} else {
wTextSize = WebSettings.TextSize.SMALLEST;
}
//Log.i("MobileAccessibility", "fontScale = " + zoom + ", WebSettings.TextSize = " + wTextSize.toString());
mWebView.getSettings().setTextSize(wTextSize);
try {
Method getSettings = mView.getClass().getMethod("getSettings");
Object wSettings = getSettings.invoke(mView);
Method setTextSize = wSettings.getClass().getMethod("setTextSize", WebSettings.TextSize.class);
setTextSize.invoke(wSettings, wTextSize);
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
}