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Diffstat (limited to 'src/com/android/camera/ui/GLView.java')
| -rw-r--r-- | src/com/android/camera/ui/GLView.java | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/src/com/android/camera/ui/GLView.java b/src/com/android/camera/ui/GLView.java deleted file mode 100644 index 811527a..0000000 --- a/src/com/android/camera/ui/GLView.java +++ /dev/null @@ -1,397 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.camera.ui; - -import android.graphics.Matrix; -import android.graphics.Rect; -import android.os.SystemClock; -import android.view.MotionEvent; -import android.view.View; -import android.view.animation.Animation; -import android.view.animation.Transformation; - -import java.util.ArrayList; -import javax.microedition.khronos.opengles.GL11; - -public class GLView { - @SuppressWarnings("unused") - private static final String TAG = "GLView"; - - public static final int VISIBLE = 0; - public static final int INVISIBLE = 1; - - public static final int FLAG_INVISIBLE = 1; - public static final int FLAG_SET_MEASURED_SIZE = 2; - public static final int FLAG_LAYOUT_REQUESTED = 4; - - protected final Rect mBounds = new Rect(); - protected final Rect mPaddings = new Rect(); - - private GLRootView mRootView; - private GLView mParent; - private ArrayList<GLView> mComponents; - private GLView mMotionTarget; - - private OnTouchListener mOnTouchListener; - private Animation mAnimation; - - protected int mViewFlags = 0; - - protected int mMeasuredWidth = 0; - protected int mMeasuredHeight = 0; - - private int mLastWidthSpec = -1; - private int mLastHeightSpec = -1; - - protected int mScrollY = 0; - protected int mScrollX = 0; - protected int mScrollHeight = 0; - protected int mScrollWidth = 0; - - public void startAnimation(Animation animation) { - GLRootView root = getGLRootView(); - if (root == null) throw new IllegalStateException(); - - mAnimation = animation; - animation.initialize(getWidth(), - getHeight(), mParent.getWidth(), mParent.getHeight()); - mAnimation.start(); - root.registerLaunchedAnimation(animation); - invalidate(); - } - - public void setVisibility(int visibility) { - if (visibility == getVisibility()) return; - if (visibility == VISIBLE) { - mViewFlags &= ~FLAG_INVISIBLE; - } else { - mViewFlags |= FLAG_INVISIBLE; - } - invalidate(); - - // Trigger the onVisibilityChanged() if it is visible on the screen. - if (isVisible()) onVisibilityChanged(visibility); - } - - public boolean isVisible() { - if (mRootView == null || mRootView.getVisibility() != View.VISIBLE) { - return false; - } - GLView parent = mParent; - while (parent != null) { - if (parent.getVisibility() == GLView.INVISIBLE) return false; - parent = parent.mParent; - } - return true; - } - - public int getVisibility() { - return (mViewFlags & FLAG_INVISIBLE) == 0 ? VISIBLE : INVISIBLE; - } - - public static interface OnTouchListener { - public boolean onTouch(GLView view, MotionEvent event); - } - - private boolean setBounds(int left, int top, int right, int bottom) { - boolean sizeChanged = (right - left) != (mBounds.right - mBounds.left) - || (bottom - top) != (mBounds.bottom - mBounds.top); - mBounds.set(left, top, right, bottom); - return sizeChanged; - } - - protected void onAddToParent(GLView parent) { - // TODO: enable the check - // if (mParent != null) throw new IllegalStateException(); - mParent = parent; - if (parent != null && parent.mRootView != null) { - onAttachToRoot(parent.mRootView); - } - } - - protected void onRemoveFromParent(GLView parent) { - if (parent != null && parent.mMotionTarget == this) { - long now = SystemClock.uptimeMillis(); - dispatchTouchEvent(MotionEvent.obtain( - now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0)); - parent.mMotionTarget = null; - } - onDetachFromRoot(); - mParent = null; - } - - public void clearComponents() { - mComponents = null; - } - - public int getComponentCount() { - return mComponents == null ? 0 : mComponents.size(); - } - - public GLView getComponent(int index) { - if (mComponents == null) { - throw new ArrayIndexOutOfBoundsException(index); - } - return mComponents.get(index); - } - - public void addComponent(GLView component) { - if (mComponents == null) { - mComponents = new ArrayList<GLView>(); - } - mComponents.add(component); - component.onAddToParent(this); - if (isVisible()) component.onVisibilityChanged(VISIBLE); - } - - public boolean removeComponent(GLView component) { - if (mComponents == null) return false; - if (mComponents.remove(component)) { - component.onRemoveFromParent(this); - return true; - } - return false; - } - - public Rect bounds() { - return mBounds; - } - - public int getWidth() { - return mBounds.right - mBounds.left; - } - - public int getHeight() { - return mBounds.bottom - mBounds.top; - } - - public GLRootView getGLRootView() { - return mRootView; - } - - public void setOnTouchListener(OnTouchListener listener) { - mOnTouchListener = listener; - } - - public void invalidate() { - GLRootView root = getGLRootView(); - if (root != null) root.requestRender(); - } - - public void requestLayout() { - mViewFlags |= FLAG_LAYOUT_REQUESTED; - if (mParent != null) { - mParent.requestLayout(); - } else { - // Is this a content pane ? - GLRootView root = getGLRootView(); - if (root != null) root.requestLayoutContentPane(); - } - } - - protected void render(GLRootView view, GL11 gl) { - renderBackground(view, gl); - for (int i = 0, n = getComponentCount(); i < n; ++i) { - GLView component = getComponent(i); - if (component.getVisibility() != GLView.VISIBLE - && component.mAnimation == null) continue; - renderChild(view, gl, component); - } - } - - protected void renderBackground(GLRootView view, GL11 gl) { - } - - protected void renderChild(GLRootView root, GL11 gl, GLView component) { - int xoffset = component.mBounds.left - mScrollX; - int yoffset = component.mBounds.top - mScrollY; - - Transformation transform = root.getTransformation(); - Matrix matrix = transform.getMatrix(); - matrix.preTranslate(xoffset, yoffset); - - Animation anim = component.mAnimation; - if (anim != null) { - long now = root.currentAnimationTimeMillis(); - Transformation temp = root.obtainTransformation(); - if (!anim.getTransformation(now, temp)) { - component.mAnimation = null; - } - invalidate(); - root.pushTransform(); - transform.compose(temp); - root.freeTransformation(temp); - } - component.render(root, gl); - if (anim != null) root.popTransform(); - matrix.preTranslate(-xoffset, -yoffset); - } - - protected boolean onTouch(MotionEvent event) { - if (mOnTouchListener != null) { - return mOnTouchListener.onTouch(this, event); - } - return false; - } - - private boolean dispatchTouchEvent(MotionEvent event, - int x, int y, GLView component, boolean checkBounds) { - Rect rect = component.mBounds; - int left = rect.left; - int top = rect.top; - if (!checkBounds || rect.contains(x, y)) { - event.offsetLocation(-left, -top); - if (component.dispatchTouchEvent(event)) { - event.offsetLocation(left, top); - return true; - } - event.offsetLocation(left, top); - } - return false; - } - - protected boolean dispatchTouchEvent(MotionEvent event) { - int x = (int) event.getX(); - int y = (int) event.getY(); - int action = event.getAction(); - if (mMotionTarget != null) { - if (action == MotionEvent.ACTION_DOWN) { - MotionEvent cancel = MotionEvent.obtain(event); - cancel.setAction(MotionEvent.ACTION_CANCEL); - mMotionTarget = null; - } else { - dispatchTouchEvent(event, x, y, mMotionTarget, false); - if (action == MotionEvent.ACTION_CANCEL - || action == MotionEvent.ACTION_UP) { - mMotionTarget = null; - } - return true; - } - } - if (action == MotionEvent.ACTION_DOWN) { - for (int i = 0, n = getComponentCount(); i < n; ++i) { - GLView component = getComponent(i); - if (component.getVisibility() != GLView.VISIBLE) continue; - if (dispatchTouchEvent(event, x, y, component, true)) { - mMotionTarget = component; - return true; - } - } - } - return onTouch(event); - } - - public Rect getPaddings() { - return mPaddings; - } - - public void setPaddings(Rect paddings) { - mPaddings.set(paddings); - } - - public void setPaddings(int left, int top, int right, int bottom) { - mPaddings.set(left, top, right, bottom); - } - - public void layout(int left, int top, int right, int bottom) { - boolean sizeChanged = setBounds(left, top, right, bottom); - if (sizeChanged) { - mViewFlags &= ~FLAG_LAYOUT_REQUESTED; - onLayout(true, left, top, right, bottom); - } else if ((mViewFlags & FLAG_LAYOUT_REQUESTED)!= 0) { - mViewFlags &= ~FLAG_LAYOUT_REQUESTED; - onLayout(false, left, top, right, bottom); - } - } - - public void measure(int widthSpec, int heightSpec) { - if (widthSpec == mLastWidthSpec && heightSpec == mLastHeightSpec - && (mViewFlags & FLAG_LAYOUT_REQUESTED) == 0) { - return; - } - - mLastWidthSpec = widthSpec; - mLastHeightSpec = heightSpec; - - mViewFlags &= ~FLAG_SET_MEASURED_SIZE; - onMeasure(widthSpec, heightSpec); - if ((mViewFlags & FLAG_SET_MEASURED_SIZE) == 0) { - throw new IllegalStateException(getClass().getName() - + " should call setMeasuredSize() in onMeasure()"); - } - } - - protected void onMeasure(int widthSpec, int heightSpec) { - } - - protected void setMeasuredSize(int width, int height) { - mViewFlags |= FLAG_SET_MEASURED_SIZE; - mMeasuredWidth = width; - mMeasuredHeight = height; - } - - public int getMeasuredWidth() { - return mMeasuredWidth; - } - - public int getMeasuredHeight() { - return mMeasuredHeight; - } - - protected void onLayout( - boolean changeSize, int left, int top, int right, int bottom) { - } - - /** - * Gets the bounds of the given descendant that relative to this view. - */ - public boolean getBoundsOf(GLView descendant, Rect out) { - int xoffset = 0; - int yoffset = 0; - GLView view = descendant; - while (view != this) { - if (view == null) return false; - Rect bounds = view.mBounds; - xoffset += bounds.left; - yoffset += bounds.top; - view = view.mParent; - } - out.set(xoffset, yoffset, xoffset + descendant.getWidth(), - yoffset + descendant.getHeight()); - return true; - } - - protected void onVisibilityChanged(int visibility) { - for (int i = 0, n = getComponentCount(); i < n; ++i) { - getComponent(i).onVisibilityChanged(visibility); - } - } - - protected void onAttachToRoot(GLRootView root) { - mRootView = root; - for (int i = 0, n = getComponentCount(); i < n; ++i) { - getComponent(i).onAttachToRoot(root); - } - } - - protected void onDetachFromRoot() { - for (int i = 0, n = getComponentCount(); i < n; ++i) { - getComponent(i).onDetachFromRoot(); - } - mRootView = null; - } -} |