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improve: reduce accessibility service cost

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This commit is contained in:
imkiva
2018-07-31 22:41:27 +08:00
parent f093c078d1
commit a210a025b5
1 changed files with 11 additions and 4 deletions
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15
app/src/main/java/io/neoterm/frontend/terminal/TerminalView.java
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@ -24,6 +24,7 @@ import android.view.Menu;
import android.view.MenuItem; import android.view.MenuItem;
import android.view.MotionEvent; import android.view.MotionEvent;
import android.view.View; import android.view.View;
import android.view.accessibility.AccessibilityManager;
import android.view.inputmethod.BaseInputConnection; import android.view.inputmethod.BaseInputConnection;
import android.view.inputmethod.EditorInfo; import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection; import android.view.inputmethod.InputConnection;
@ -102,6 +103,8 @@ public final class TerminalView extends View {
*/ */
private boolean mEnableWordBasedIme = false; private boolean mEnableWordBasedIme = false;
private boolean mAccessibilityEnabled;
public TerminalView(Context context) { public TerminalView(Context context) {
super(context); super(context);
commonInit(context); commonInit(context);
@ -283,6 +286,8 @@ public final class TerminalView extends View {
} }
}); });
mScroller = new Scroller(context); mScroller = new Scroller(context);
AccessibilityManager am = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
mAccessibilityEnabled = am != null && am.isEnabled();
} }
/** /**
@ -460,8 +465,8 @@ public final class TerminalView extends View {
// 如果二者不一样，即 mTop != 0，则说明用户在脚本输出的时候滚动了屏幕 // 如果二者不一样，即 mTop != 0，则说明用户在脚本输出的时候滚动了屏幕
// 很有可能时用户需要观察上面脚本的输出结果 // 很有可能时用户需要观察上面脚本的输出结果
// 那么这个时候我们就不跟随输出滚动屏幕 // 那么这个时候我们就不跟随输出滚动屏幕
// int currentScroll = computeVerticalScrollOffset(); // int currentScroll = computeVerticalScrollOffset();
// int expectedScroll = mEmulator.getScreen().getActiveRows() - mEmulator.mRows; // int expectedScroll = mEmulator.getScreen().getActiveRows() - mEmulator.mRows;
if (mTopRow != 0) { if (mTopRow != 0) {
isScreenHeld = true; isScreenHeld = true;
@ -508,8 +513,10 @@ public final class TerminalView extends View {
// Basic accessibility service // Basic accessibility service
String contentText = mEmulator.getScreen() String contentText = mEmulator.getScreen()
.getSelectedText(0, mTopRow, mEmulator.mColumns, mTopRow +mEmulator.mRows); .getSelectedText(0, mTopRow, mEmulator.mColumns, mTopRow + mEmulator.mRows);
setContentDescription(contentText); if (mAccessibilityEnabled) {
setContentDescription(contentText);
}
} }
public int getTextSize() { public int getTextSize() {