/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Copyright (C) 2012 BogDan Vatra ** Contact: http://www.qt-project.org/legal ** ** This file is part of the Android port of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional ** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ package org.qtproject.qt5.android; import android.app.Activity; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Rect; import android.graphics.PixelFormat; import android.util.DisplayMetrics; import android.util.Log; import android.view.GestureDetector; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; import java.lang.reflect.Constructor; import java.lang.reflect.Method; public class QtSurface extends SurfaceView implements SurfaceHolder.Callback { private Bitmap m_bitmap = null; private boolean m_started = false; private boolean m_usesGL = false; private GestureDetector m_gestureDetector; private Object m_accessibilityDelegate = null; public QtSurface(Context context, int id) { super(context); setFocusable(false); setFocusableInTouchMode(false); getHolder().addCallback(this); getHolder().setType(SurfaceHolder.SURFACE_TYPE_GPU); setId(id); m_gestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() { public void onLongPress(MotionEvent event) { if (!m_started) return; QtNative.longPress(getId(), (int) event.getX(), (int) event.getY()); } }); m_gestureDetector.setIsLongpressEnabled(true); } public void applicationStarted(boolean usesGL) { m_started = true; m_usesGL = usesGL; if (getWidth() < 1 || getHeight() < 1) return; if (m_usesGL) { QtNative.setSurface(getHolder().getSurface()); } else { QtNative.lockSurface(); QtNative.setSurface(null); m_bitmap = Bitmap.createBitmap(getWidth(), getHeight(), Bitmap.Config.RGB_565); QtNative.setSurface(m_bitmap); QtNative.unlockSurface(); } } @Override public void surfaceCreated(SurfaceHolder holder) { DisplayMetrics metrics = new DisplayMetrics(); ((Activity) getContext()).getWindowManager().getDefaultDisplay().getMetrics(metrics); QtNative.setApplicationDisplayMetrics(metrics.widthPixels, metrics.heightPixels, getWidth(), getHeight(), metrics.xdpi, metrics.ydpi, metrics.scaledDensity); if (m_usesGL) holder.setFormat(PixelFormat.RGBA_8888); // Initialize Accessibility // The accessibility code depends on android API level 16, so dynamically resolve it if (android.os.Build.VERSION.SDK_INT >= 16) { try { final String a11yDelegateClassName = "org.qtproject.qt5.android.accessibility.QtAccessibilityDelegate"; Class qtDelegateClass = Class.forName(a11yDelegateClassName); Constructor constructor = qtDelegateClass.getConstructor(Class.forName("android.view.View")); m_accessibilityDelegate = constructor.newInstance(this); Class a11yDelegateClass = Class.forName("android.view.View$AccessibilityDelegate"); Method setDelegateMethod = this.getClass().getMethod("setAccessibilityDelegate", a11yDelegateClass); setDelegateMethod.invoke(this, m_accessibilityDelegate); } catch (ClassNotFoundException e) { // Class not found is fine since we are compatible with Android API < 16, but the function will // only be available with that API level. } catch (Exception e) { // Unknown exception means something went wrong. Log.w("Qt A11y", "Unknown exception: " + e.toString()); } } } public boolean dispatchHoverEvent(MotionEvent event) { // Always attempt to dispatch hover events to accessibility first. if (m_accessibilityDelegate != null) { try { Method dispHoverA11y = m_accessibilityDelegate.getClass().getMethod("dispatchHoverEvent", MotionEvent.class); boolean ret = (Boolean) dispHoverA11y.invoke(m_accessibilityDelegate, event); if (ret) return true; SurfaceView view = (SurfaceView) this; Method dispHoverView = view.getClass().getMethod("dispatchHoverEvent", MotionEvent.class); return (Boolean) dispHoverView.invoke(view, event); } catch (Exception e) { Log.w("Qt A11y", "EXCEPTION in dispatchHoverEvent for Accessibility: " + e); } } return false; } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { if (width<1 || height<1) return; DisplayMetrics metrics = new DisplayMetrics(); ((Activity) getContext()).getWindowManager().getDefaultDisplay().getMetrics(metrics); QtNative.setApplicationDisplayMetrics(metrics.widthPixels, metrics.heightPixels, width, height, metrics.xdpi, metrics.ydpi, metrics.scaledDensity); if (!m_started) return; if (m_usesGL) { QtNative.setSurface(holder.getSurface()); } else { QtNative.lockSurface(); QtNative.setSurface(null); m_bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565); QtNative.setSurface(m_bitmap); QtNative.unlockSurface(); QtNative.updateWindow(); } } @Override public void surfaceDestroyed(SurfaceHolder holder) { if (m_usesGL) { QtNative.destroySurface(); } else { if (!m_started) return; QtNative.lockSurface(); QtNative.setSurface(null); QtNative.unlockSurface(); } } public void drawBitmap(Rect rect) { if (!m_started) return; QtNative.lockSurface(); if (null != m_bitmap) { try { Canvas cv = getHolder().lockCanvas(rect); cv.drawBitmap(m_bitmap, rect, rect, null); getHolder().unlockCanvasAndPost(cv); } catch (Exception e) { Log.e(QtNative.QtTAG, "Can't create main activity", e); } } QtNative.unlockSurface(); } @Override public boolean onTouchEvent(MotionEvent event) { if (!m_started) return false; QtNative.sendTouchEvent(event, getId()); m_gestureDetector.onTouchEvent(event); return true; } @Override public boolean onTrackballEvent(MotionEvent event) { if (!m_started) return false; QtNative.sendTrackballEvent(event, getId()); return true; } }