diff options
Diffstat (limited to 'java/com/android/dialer/callcomposer/camera/camerafocus')
8 files changed, 1797 insertions, 0 deletions
diff --git a/java/com/android/dialer/callcomposer/camera/camerafocus/AndroidManifest.xml b/java/com/android/dialer/callcomposer/camera/camerafocus/AndroidManifest.xml new file mode 100644 index 000000000..77ef22295 --- /dev/null +++ b/java/com/android/dialer/callcomposer/camera/camerafocus/AndroidManifest.xml @@ -0,0 +1,16 @@ +<!-- + ~ Copyright (C) 2016 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 + --> +<manifest package="com.android.dialer.callcomposer.camera.camerafocus"/>
\ No newline at end of file diff --git a/java/com/android/dialer/callcomposer/camera/camerafocus/FocusIndicator.java b/java/com/android/dialer/callcomposer/camera/camerafocus/FocusIndicator.java new file mode 100644 index 000000000..234cf5388 --- /dev/null +++ b/java/com/android/dialer/callcomposer/camera/camerafocus/FocusIndicator.java @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2016 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.dialer.callcomposer.camera.camerafocus; + +/** Methods needed by the CameraPreview in order communicate camera events. */ +public interface FocusIndicator { + void showStart(); + + void showSuccess(boolean timeout); + + void showFail(boolean timeout); + + void clear(); +} diff --git a/java/com/android/dialer/callcomposer/camera/camerafocus/FocusOverlayManager.java b/java/com/android/dialer/callcomposer/camera/camerafocus/FocusOverlayManager.java new file mode 100644 index 000000000..1c5ac380c --- /dev/null +++ b/java/com/android/dialer/callcomposer/camera/camerafocus/FocusOverlayManager.java @@ -0,0 +1,482 @@ +/* + * Copyright (C) 2016 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.dialer.callcomposer.camera.camerafocus; + +import android.graphics.Matrix; +import android.graphics.Rect; +import android.graphics.RectF; +import android.hardware.Camera.Area; +import android.hardware.Camera.Parameters; +import android.os.Handler; +import android.os.Looper; +import android.os.Message; +import com.android.dialer.common.Assert; +import com.android.dialer.common.LogUtil; +import java.util.ArrayList; +import java.util.List; + +/** + * A class that handles everything about focus in still picture mode. This also handles the metering + * area because it is the same as focus area. + * + * <p>The test cases: (1) The camera has continuous autofocus. Move the camera. Take a picture when + * CAF is not in progress. (2) The camera has continuous autofocus. Move the camera. Take a picture + * when CAF is in progress. (3) The camera has face detection. Point the camera at some faces. Hold + * the shutter. Release to take a picture. (4) The camera has face detection. Point the camera at + * some faces. Single tap the shutter to take a picture. (5) The camera has autofocus. Single tap + * the shutter to take a picture. (6) The camera has autofocus. Hold the shutter. Release to take a + * picture. (7) The camera has no autofocus. Single tap the shutter and take a picture. (8) The + * camera has autofocus and supports focus area. Touch the screen to trigger autofocus. Take a + * picture. (9) The camera has autofocus and supports focus area. Touch the screen to trigger + * autofocus. Wait until it times out. (10) The camera has no autofocus and supports metering area. + * Touch the screen to change metering area. + */ +public class FocusOverlayManager { + private static final String TRUE = "true"; + private static final String AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; + private static final String AUTO_WHITE_BALANCE_LOCK_SUPPORTED = + "auto-whitebalance-lock-supported"; + + private static final int RESET_TOUCH_FOCUS = 0; + private static final int RESET_TOUCH_FOCUS_DELAY = 3000; + + private int mState = STATE_IDLE; + private static final int STATE_IDLE = 0; // Focus is not active. + private static final int STATE_FOCUSING = 1; // Focus is in progress. + // Focus is in progress and the camera should take a picture after focus finishes. + private static final int STATE_FOCUSING_SNAP_ON_FINISH = 2; + private static final int STATE_SUCCESS = 3; // Focus finishes and succeeds. + private static final int STATE_FAIL = 4; // Focus finishes and fails. + + private boolean mInitialized; + private boolean mFocusAreaSupported; + private boolean mMeteringAreaSupported; + private boolean mLockAeAwbNeeded; + private boolean mAeAwbLock; + private Matrix mMatrix; + + private PieRenderer mPieRenderer; + + private int mPreviewWidth; // The width of the preview frame layout. + private int mPreviewHeight; // The height of the preview frame layout. + private boolean mMirror; // true if the camera is front-facing. + private List<Area> mFocusArea; // focus area in driver format + private List<Area> mMeteringArea; // metering area in driver format + private String mFocusMode; + private Parameters mParameters; + private Handler mHandler; + private Listener mListener; + + /** Listener used for the focus indicator to communicate back to the camera. */ + public interface Listener { + void autoFocus(); + + void cancelAutoFocus(); + + boolean capture(); + + void setFocusParameters(); + } + + private class MainHandler extends Handler { + public MainHandler(Looper looper) { + super(looper); + } + + @Override + public void handleMessage(Message msg) { + switch (msg.what) { + case RESET_TOUCH_FOCUS: + { + cancelAutoFocus(); + break; + } + } + } + } + + public FocusOverlayManager(Listener listener, Looper looper) { + mHandler = new MainHandler(looper); + mMatrix = new Matrix(); + mListener = listener; + } + + public void setFocusRenderer(PieRenderer renderer) { + mPieRenderer = renderer; + mInitialized = (mMatrix != null); + } + + public void setParameters(Parameters parameters) { + // parameters can only be null when onConfigurationChanged is called + // before camera is open. We will just return in this case, because + // parameters will be set again later with the right parameters after + // camera is open. + if (parameters == null) { + return; + } + mParameters = parameters; + mFocusAreaSupported = isFocusAreaSupported(parameters); + mMeteringAreaSupported = isMeteringAreaSupported(parameters); + mLockAeAwbNeeded = + (isAutoExposureLockSupported(mParameters) || isAutoWhiteBalanceLockSupported(mParameters)); + } + + public void setPreviewSize(int previewWidth, int previewHeight) { + if (mPreviewWidth != previewWidth || mPreviewHeight != previewHeight) { + mPreviewWidth = previewWidth; + mPreviewHeight = previewHeight; + setMatrix(); + } + } + + public void setMirror(boolean mirror) { + mMirror = mirror; + setMatrix(); + } + + private void setMatrix() { + if (mPreviewWidth != 0 && mPreviewHeight != 0) { + Matrix matrix = new Matrix(); + prepareMatrix(matrix, mMirror, mPreviewWidth, mPreviewHeight); + // In face detection, the matrix converts the driver coordinates to UI + // coordinates. In tap focus, the inverted matrix converts the UI + // coordinates to driver coordinates. + matrix.invert(mMatrix); + mInitialized = (mPieRenderer != null); + } + } + + private void lockAeAwbIfNeeded() { + if (mLockAeAwbNeeded && !mAeAwbLock) { + mAeAwbLock = true; + mListener.setFocusParameters(); + } + } + + public void onAutoFocus(boolean focused, boolean shutterButtonPressed) { + if (mState == STATE_FOCUSING_SNAP_ON_FINISH) { + // Take the picture no matter focus succeeds or fails. No need + // to play the AF sound if we're about to play the shutter + // sound. + if (focused) { + mState = STATE_SUCCESS; + } else { + mState = STATE_FAIL; + } + updateFocusUI(); + capture(); + } else if (mState == STATE_FOCUSING) { + // This happens when (1) user is half-pressing the focus key or + // (2) touch focus is triggered. Play the focus tone. Do not + // take the picture now. + if (focused) { + mState = STATE_SUCCESS; + } else { + mState = STATE_FAIL; + } + updateFocusUI(); + // If this is triggered by touch focus, cancel focus after a + // while. + if (mFocusArea != null) { + mHandler.sendEmptyMessageDelayed(RESET_TOUCH_FOCUS, RESET_TOUCH_FOCUS_DELAY); + } + if (shutterButtonPressed) { + // Lock AE & AWB so users can half-press shutter and recompose. + lockAeAwbIfNeeded(); + } + } else if (mState == STATE_IDLE) { + // User has released the focus key before focus completes. + // Do nothing. + } + } + + public void onAutoFocusMoving(boolean moving) { + if (!mInitialized) { + return; + } + + // Ignore if we have requested autofocus. This method only handles + // continuous autofocus. + if (mState != STATE_IDLE) { + return; + } + + if (moving) { + mPieRenderer.showStart(); + } else { + mPieRenderer.showSuccess(true); + } + } + + private void initializeFocusAreas( + int focusWidth, int focusHeight, int x, int y, int previewWidth, int previewHeight) { + if (mFocusArea == null) { + mFocusArea = new ArrayList<>(); + mFocusArea.add(new Area(new Rect(), 1)); + } + + // Convert the coordinates to driver format. + calculateTapArea( + focusWidth, focusHeight, 1f, x, y, previewWidth, previewHeight, mFocusArea.get(0).rect); + } + + private void initializeMeteringAreas( + int focusWidth, int focusHeight, int x, int y, int previewWidth, int previewHeight) { + if (mMeteringArea == null) { + mMeteringArea = new ArrayList<>(); + mMeteringArea.add(new Area(new Rect(), 1)); + } + + // Convert the coordinates to driver format. + // AE area is bigger because exposure is sensitive and + // easy to over- or underexposure if area is too small. + calculateTapArea( + focusWidth, + focusHeight, + 1.5f, + x, + y, + previewWidth, + previewHeight, + mMeteringArea.get(0).rect); + } + + public void onSingleTapUp(int x, int y) { + if (!mInitialized || mState == STATE_FOCUSING_SNAP_ON_FINISH) { + return; + } + + // Let users be able to cancel previous touch focus. + if ((mFocusArea != null) + && (mState == STATE_FOCUSING || mState == STATE_SUCCESS || mState == STATE_FAIL)) { + cancelAutoFocus(); + } + // Initialize variables. + int focusWidth = mPieRenderer.getSize(); + int focusHeight = mPieRenderer.getSize(); + if (focusWidth == 0 || mPieRenderer.getWidth() == 0 || mPieRenderer.getHeight() == 0) { + return; + } + int previewWidth = mPreviewWidth; + int previewHeight = mPreviewHeight; + // Initialize mFocusArea. + if (mFocusAreaSupported) { + initializeFocusAreas(focusWidth, focusHeight, x, y, previewWidth, previewHeight); + } + // Initialize mMeteringArea. + if (mMeteringAreaSupported) { + initializeMeteringAreas(focusWidth, focusHeight, x, y, previewWidth, previewHeight); + } + + // Use margin to set the focus indicator to the touched area. + mPieRenderer.setFocus(x, y); + + // Set the focus area and metering area. + mListener.setFocusParameters(); + if (mFocusAreaSupported) { + autoFocus(); + } else { // Just show the indicator in all other cases. + updateFocusUI(); + // Reset the metering area in 3 seconds. + mHandler.removeMessages(RESET_TOUCH_FOCUS); + mHandler.sendEmptyMessageDelayed(RESET_TOUCH_FOCUS, RESET_TOUCH_FOCUS_DELAY); + } + } + + public void onPreviewStarted() { + mState = STATE_IDLE; + } + + public void onPreviewStopped() { + // If auto focus was in progress, it would have been stopped. + mState = STATE_IDLE; + resetTouchFocus(); + updateFocusUI(); + } + + public void onCameraReleased() { + onPreviewStopped(); + } + + private void autoFocus() { + LogUtil.v("FocusOverlayManager.autoFocus", "Start autofocus."); + mListener.autoFocus(); + mState = STATE_FOCUSING; + updateFocusUI(); + mHandler.removeMessages(RESET_TOUCH_FOCUS); + } + + public void cancelAutoFocus() { + LogUtil.v("FocusOverlayManager.cancelAutoFocus", "Cancel autofocus."); + + // Reset the tap area before calling mListener.cancelAutofocus. + // Otherwise, focus mode stays at auto and the tap area passed to the + // driver is not reset. + resetTouchFocus(); + mListener.cancelAutoFocus(); + mState = STATE_IDLE; + updateFocusUI(); + mHandler.removeMessages(RESET_TOUCH_FOCUS); + } + + private void capture() { + if (mListener.capture()) { + mState = STATE_IDLE; + mHandler.removeMessages(RESET_TOUCH_FOCUS); + } + } + + public String getFocusMode() { + List<String> supportedFocusModes = mParameters.getSupportedFocusModes(); + + if (mFocusAreaSupported && mFocusArea != null) { + // Always use autofocus in tap-to-focus. + mFocusMode = Parameters.FOCUS_MODE_AUTO; + } else { + mFocusMode = Parameters.FOCUS_MODE_CONTINUOUS_PICTURE; + } + + if (!isSupported(mFocusMode, supportedFocusModes)) { + // For some reasons, the driver does not support the current + // focus mode. Fall back to auto. + if (isSupported(Parameters.FOCUS_MODE_AUTO, mParameters.getSupportedFocusModes())) { + mFocusMode = Parameters.FOCUS_MODE_AUTO; + } else { + mFocusMode = mParameters.getFocusMode(); + } + } + return mFocusMode; + } + + public List<Area> getFocusAreas() { + return mFocusArea; + } + + public List<Area> getMeteringAreas() { + return mMeteringArea; + } + + private void updateFocusUI() { + if (!mInitialized) { + return; + } + FocusIndicator focusIndicator = mPieRenderer; + + if (mState == STATE_IDLE) { + if (mFocusArea == null) { + focusIndicator.clear(); + } else { + // Users touch on the preview and the indicator represents the + // metering area. Either focus area is not supported or + // autoFocus call is not required. + focusIndicator.showStart(); + } + } else if (mState == STATE_FOCUSING || mState == STATE_FOCUSING_SNAP_ON_FINISH) { + focusIndicator.showStart(); + } else { + if (Parameters.FOCUS_MODE_CONTINUOUS_PICTURE.equals(mFocusMode)) { + // TODO: check HAL behavior and decide if this can be removed. + focusIndicator.showSuccess(false); + } else if (mState == STATE_SUCCESS) { + focusIndicator.showSuccess(false); + } else if (mState == STATE_FAIL) { + focusIndicator.showFail(false); + } + } + } + + private void resetTouchFocus() { + if (!mInitialized) { + return; + } + + // Put focus indicator to the center. clear reset position + mPieRenderer.clear(); + + mFocusArea = null; + mMeteringArea = null; + } + + private void calculateTapArea( + int focusWidth, + int focusHeight, + float areaMultiple, + int x, + int y, + int previewWidth, + int previewHeight, + Rect rect) { + int areaWidth = (int) (focusWidth * areaMultiple); + int areaHeight = (int) (focusHeight * areaMultiple); + final int maxW = previewWidth - areaWidth; + int left = maxW > 0 ? clamp(x - areaWidth / 2, 0, maxW) : 0; + final int maxH = previewHeight - areaHeight; + int top = maxH > 0 ? clamp(y - areaHeight / 2, 0, maxH) : 0; + + RectF rectF = new RectF(left, top, left + areaWidth, top + areaHeight); + mMatrix.mapRect(rectF); + rectFToRect(rectF, rect); + } + + private int clamp(int x, int min, int max) { + Assert.checkArgument(max >= min); + if (x > max) { + return max; + } + if (x < min) { + return min; + } + return x; + } + + private boolean isAutoExposureLockSupported(Parameters params) { + return TRUE.equals(params.get(AUTO_EXPOSURE_LOCK_SUPPORTED)); + } + + private boolean isAutoWhiteBalanceLockSupported(Parameters params) { + return TRUE.equals(params.get(AUTO_WHITE_BALANCE_LOCK_SUPPORTED)); + } + + private boolean isSupported(String value, List<String> supported) { + return supported != null && supported.indexOf(value) >= 0; + } + + private boolean isMeteringAreaSupported(Parameters params) { + return params.getMaxNumMeteringAreas() > 0; + } + + private boolean isFocusAreaSupported(Parameters params) { + return (params.getMaxNumFocusAreas() > 0 + && isSupported(Parameters.FOCUS_MODE_AUTO, params.getSupportedFocusModes())); + } + + private void prepareMatrix(Matrix matrix, boolean mirror, int viewWidth, int viewHeight) { + // Need mirror for front camera. + matrix.setScale(mirror ? -1 : 1, 1); + // Camera driver coordinates range from (-1000, -1000) to (1000, 1000). + // UI coordinates range from (0, 0) to (width, height). + matrix.postScale(viewWidth / 2000f, viewHeight / 2000f); + matrix.postTranslate(viewWidth / 2f, viewHeight / 2f); + } + + private void rectFToRect(RectF rectF, Rect rect) { + rect.left = Math.round(rectF.left); + rect.top = Math.round(rectF.top); + rect.right = Math.round(rectF.right); + rect.bottom = Math.round(rectF.bottom); + } +} diff --git a/java/com/android/dialer/callcomposer/camera/camerafocus/OverlayRenderer.java b/java/com/android/dialer/callcomposer/camera/camerafocus/OverlayRenderer.java new file mode 100644 index 000000000..4a3b522bb --- /dev/null +++ b/java/com/android/dialer/callcomposer/camera/camerafocus/OverlayRenderer.java @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2016 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.dialer.callcomposer.camera.camerafocus; + +import android.content.Context; +import android.graphics.Canvas; +import android.view.MotionEvent; + +/** Abstract class that all Camera overlays should implement. */ +public abstract class OverlayRenderer implements RenderOverlay.Renderer { + + protected RenderOverlay mOverlay; + + private int mLeft; + private int mTop; + private int mRight; + private int mBottom; + private boolean mVisible; + + public void setVisible(boolean vis) { + mVisible = vis; + update(); + } + + public boolean isVisible() { + return mVisible; + } + + // default does not handle touch + @Override + public boolean handlesTouch() { + return false; + } + + @Override + public boolean onTouchEvent(MotionEvent evt) { + return false; + } + + public abstract void onDraw(Canvas canvas); + + @Override + public void draw(Canvas canvas) { + if (mVisible) { + onDraw(canvas); + } + } + + @Override + public void setOverlay(RenderOverlay overlay) { + mOverlay = overlay; + } + + @Override + public void layout(int left, int top, int right, int bottom) { + mLeft = left; + mRight = right; + mTop = top; + mBottom = bottom; + } + + protected Context getContext() { + if (mOverlay != null) { + return mOverlay.getContext(); + } else { + return null; + } + } + + public int getWidth() { + return mRight - mLeft; + } + + public int getHeight() { + return mBottom - mTop; + } + + protected void update() { + if (mOverlay != null) { + mOverlay.update(); + } + } +} diff --git a/java/com/android/dialer/callcomposer/camera/camerafocus/PieItem.java b/java/com/android/dialer/callcomposer/camera/camerafocus/PieItem.java new file mode 100644 index 000000000..86f69c0ae --- /dev/null +++ b/java/com/android/dialer/callcomposer/camera/camerafocus/PieItem.java @@ -0,0 +1,179 @@ +/* + * Copyright (C) 2016 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.dialer.callcomposer.camera.camerafocus; + +import android.content.Context; +import android.graphics.Canvas; +import android.graphics.Path; +import android.graphics.drawable.Drawable; +import java.util.List; + +/** Pie menu item. */ +public class PieItem { + + /** Listener to detect pie item clicks. */ + public interface OnClickListener { + void onClick(PieItem item); + } + + private Drawable mDrawable; + private int level; + private float mCenter; + private float start; + private float sweep; + private float animate; + private int inner; + private int outer; + private boolean mSelected; + private boolean mEnabled; + private List<PieItem> mItems; + private Path mPath; + private OnClickListener mOnClickListener; + private float mAlpha; + + // Gray out the view when disabled + private static final float ENABLED_ALPHA = 1; + private static final float DISABLED_ALPHA = (float) 0.3; + + public PieItem(Drawable drawable, int level) { + mDrawable = drawable; + this.level = level; + setAlpha(1f); + mEnabled = true; + setAnimationAngle(getAnimationAngle()); + start = -1; + mCenter = -1; + } + + public boolean hasItems() { + return mItems != null; + } + + public List<PieItem> getItems() { + return mItems; + } + + public void setPath(Path p) { + mPath = p; + } + + public Path getPath() { + return mPath; + } + + public void setAlpha(float alpha) { + mAlpha = alpha; + mDrawable.setAlpha((int) (255 * alpha)); + } + + public void setAnimationAngle(float a) { + animate = a; + } + + private float getAnimationAngle() { + return animate; + } + + public void setEnabled(boolean enabled) { + mEnabled = enabled; + if (mEnabled) { + setAlpha(ENABLED_ALPHA); + } else { + setAlpha(DISABLED_ALPHA); + } + } + + public boolean isEnabled() { + return mEnabled; + } + + public void setSelected(boolean s) { + mSelected = s; + } + + public boolean isSelected() { + return mSelected; + } + + public int getLevel() { + return level; + } + + public void setGeometry(float st, float sw, int inside, int outside) { + start = st; + sweep = sw; + inner = inside; + outer = outside; + } + + public float getCenter() { + return mCenter; + } + + public float getStart() { + return start; + } + + public float getStartAngle() { + return start + animate; + } + + public float getSweep() { + return sweep; + } + + public int getInnerRadius() { + return inner; + } + + public int getOuterRadius() { + return outer; + } + + public void setOnClickListener(OnClickListener listener) { + mOnClickListener = listener; + } + + public void performClick() { + if (mOnClickListener != null) { + mOnClickListener.onClick(this); + } + } + + public int getIntrinsicWidth() { + return mDrawable.getIntrinsicWidth(); + } + + public int getIntrinsicHeight() { + return mDrawable.getIntrinsicHeight(); + } + + public void setBounds(int left, int top, int right, int bottom) { + mDrawable.setBounds(left, top, right, bottom); + } + + public void draw(Canvas canvas) { + mDrawable.draw(canvas); + } + + public void setImageResource(Context context, int resId) { + Drawable d = context.getResources().getDrawable(resId).mutate(); + d.setBounds(mDrawable.getBounds()); + mDrawable = d; + setAlpha(mAlpha); + } +} diff --git a/java/com/android/dialer/callcomposer/camera/camerafocus/PieRenderer.java b/java/com/android/dialer/callcomposer/camera/camerafocus/PieRenderer.java new file mode 100644 index 000000000..59b57b002 --- /dev/null +++ b/java/com/android/dialer/callcomposer/camera/camerafocus/PieRenderer.java @@ -0,0 +1,816 @@ +/* + * Copyright (C) 2016 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.dialer.callcomposer.camera.camerafocus; + +import android.animation.Animator; +import android.animation.AnimatorListenerAdapter; +import android.content.Context; +import android.content.res.Resources; +import android.graphics.Canvas; +import android.graphics.Color; +import android.graphics.Paint; +import android.graphics.Path; +import android.graphics.Point; +import android.graphics.PointF; +import android.graphics.RectF; +import android.os.Handler; +import android.os.Message; +import android.view.MotionEvent; +import android.view.ViewConfiguration; +import android.view.animation.Animation; +import android.view.animation.Animation.AnimationListener; +import android.view.animation.LinearInterpolator; +import android.view.animation.Transformation; +import java.util.ArrayList; +import java.util.List; + +/** Used to draw and render the pie item focus indicator. */ +public class PieRenderer extends OverlayRenderer implements FocusIndicator { + // Sometimes continuous autofocus starts and stops several times quickly. + // These states are used to make sure the animation is run for at least some + // time. + private volatile int mState; + private ScaleAnimation mAnimation = new ScaleAnimation(); + private static final int STATE_IDLE = 0; + private static final int STATE_FOCUSING = 1; + private static final int STATE_FINISHING = 2; + private static final int STATE_PIE = 8; + + private Runnable mDisappear = new Disappear(); + private Animation.AnimationListener mEndAction = new EndAction(); + private static final int SCALING_UP_TIME = 600; + private static final int SCALING_DOWN_TIME = 100; + private static final int DISAPPEAR_TIMEOUT = 200; + private static final int DIAL_HORIZONTAL = 157; + + private static final long PIE_FADE_IN_DURATION = 200; + private static final long PIE_XFADE_DURATION = 200; + private static final long PIE_SELECT_FADE_DURATION = 300; + + private static final int MSG_OPEN = 0; + private static final int MSG_CLOSE = 1; + private static final float PIE_SWEEP = (float) (Math.PI * 2 / 3); + // geometry + private Point mCenter; + private int mRadius; + private int mRadiusInc; + + // the detection if touch is inside a slice is offset + // inbounds by this amount to allow the selection to show before the + // finger covers it + private int mTouchOffset; + + private List<PieItem> mItems; + + private PieItem mOpenItem; + + private Paint mSelectedPaint; + private Paint mSubPaint; + + // touch handling + private PieItem mCurrentItem; + + private Paint mFocusPaint; + private int mSuccessColor; + private int mFailColor; + private int mCircleSize; + private int mFocusX; + private int mFocusY; + private int mCenterX; + private int mCenterY; + + private int mDialAngle; + private RectF mCircle; + private RectF mDial; + private Point mPoint1; + private Point mPoint2; + private int mStartAnimationAngle; + private boolean mFocused; + private int mInnerOffset; + private int mOuterStroke; + private int mInnerStroke; + private boolean mTapMode; + private boolean mBlockFocus; + private int mTouchSlopSquared; + private Point mDown; + private boolean mOpening; + private LinearAnimation mXFade; + private LinearAnimation mFadeIn; + private volatile boolean mFocusCancelled; + + private Handler mHandler = + new Handler() { + @Override + public void handleMessage(Message msg) { + switch (msg.what) { + case MSG_OPEN: + if (mListener != null) { + mListener.onPieOpened(mCenter.x, mCenter.y); + } + break; + case MSG_CLOSE: + if (mListener != null) { + mListener.onPieClosed(); + } + break; + } + } + }; + + private PieListener mListener; + + /** Listener for the pie item to communicate back to the renderer. */ + public interface PieListener { + void onPieOpened(int centerX, int centerY); + + void onPieClosed(); + } + + public void setPieListener(PieListener pl) { + mListener = pl; + } + + public PieRenderer(Context context) { + init(context); + } + + private void init(Context ctx) { + setVisible(false); + mItems = new ArrayList<PieItem>(); + Resources res = ctx.getResources(); + mRadius = res.getDimensionPixelSize(R.dimen.pie_radius_start); + mCircleSize = mRadius - res.getDimensionPixelSize(R.dimen.focus_radius_offset); + mRadiusInc = res.getDimensionPixelSize(R.dimen.pie_radius_increment); + mTouchOffset = res.getDimensionPixelSize(R.dimen.pie_touch_offset); + mCenter = new Point(0, 0); + mSelectedPaint = new Paint(); + mSelectedPaint.setColor(Color.argb(255, 51, 181, 229)); + mSelectedPaint.setAntiAlias(true); + mSubPaint = new Paint(); + mSubPaint.setAntiAlias(true); + mSubPaint.setColor(Color.argb(200, 250, 230, 128)); + mFocusPaint = new Paint(); + mFocusPaint.setAntiAlias(true); + mFocusPaint.setColor(Color.WHITE); + mFocusPaint.setStyle(Paint.Style.STROKE); + mSuccessColor = Color.GREEN; + mFailColor = Color.RED; + mCircle = new RectF(); + mDial = new RectF(); + mPoint1 = new Point(); + mPoint2 = new Point(); + mInnerOffset = res.getDimensionPixelSize(R.dimen.focus_inner_offset); + mOuterStroke = res.getDimensionPixelSize(R.dimen.focus_outer_stroke); + mInnerStroke = res.getDimensionPixelSize(R.dimen.focus_inner_stroke); + mState = STATE_IDLE; + mBlockFocus = false; + mTouchSlopSquared = ViewConfiguration.get(ctx).getScaledTouchSlop(); + mTouchSlopSquared = mTouchSlopSquared * mTouchSlopSquared; + mDown = new Point(); + } + + public boolean showsItems() { + return mTapMode; + } + + public void addItem(PieItem item) { + // add the item to the pie itself + mItems.add(item); + } + + public void removeItem(PieItem item) { + mItems.remove(item); + } + + public void clearItems() { + mItems.clear(); + } + + public void showInCenter() { + if ((mState == STATE_PIE) && isVisible()) { + mTapMode = false; + show(false); + } else { + if (mState != STATE_IDLE) { + cancelFocus(); + } + mState = STATE_PIE; + setCenter(mCenterX, mCenterY); + mTapMode = true; + show(true); + } + } + + public void hide() { + show(false); + } + + /** + * guaranteed has center set + * + * @param show + */ + private void show(boolean show) { + if (show) { + mState = STATE_PIE; + // ensure clean state + mCurrentItem = null; + mOpenItem = null; + for (PieItem item : mItems) { + item.setSelected(false); + } + layoutPie(); + fadeIn(); + } else { + mState = STATE_IDLE; + mTapMode = false; + if (mXFade != null) { + mXFade.cancel(); + } + } + setVisible(show); + mHandler.sendEmptyMessage(show ? MSG_OPEN : MSG_CLOSE); + } + + private void fadeIn() { + mFadeIn = new LinearAnimation(0, 1); + mFadeIn.setDuration(PIE_FADE_IN_DURATION); + mFadeIn.setAnimationListener( + new AnimationListener() { + @Override + public void onAnimationStart(Animation animation) {} + + @Override + public void onAnimationEnd(Animation animation) { + mFadeIn = null; + } + + @Override + public void onAnimationRepeat(Animation animation) {} + }); + mFadeIn.startNow(); + mOverlay.startAnimation(mFadeIn); + } + + public void setCenter(int x, int y) { + mCenter.x = x; + mCenter.y = y; + // when using the pie menu, align the focus ring + alignFocus(x, y); + } + + private void layoutPie() { + int rgap = 2; + int inner = mRadius + rgap; + int outer = mRadius + mRadiusInc - rgap; + int gap = 1; + layoutItems(mItems, (float) (Math.PI / 2), inner, outer, gap); + } + + private void layoutItems(List<PieItem> items, float centerAngle, int inner, int outer, int gap) { + float emptyangle = PIE_SWEEP / 16; + float sweep = (PIE_SWEEP - 2 * emptyangle) / items.size(); + float angle = centerAngle - PIE_SWEEP / 2 + emptyangle + sweep / 2; + // check if we have custom geometry + // first item we find triggers custom sweep for all + // this allows us to re-use the path + for (PieItem item : items) { + if (item.getCenter() >= 0) { + sweep = item.getSweep(); + break; + } + } + Path path = makeSlice(getDegrees(0) - gap, getDegrees(sweep) + gap, outer, inner, mCenter); + for (PieItem item : items) { + // shared between items + item.setPath(path); + if (item.getCenter() >= 0) { + angle = item.getCenter(); + } + int w = item.getIntrinsicWidth(); + int h = item.getIntrinsicHeight(); + // move views to outer border + int r = inner + (outer - inner) * 2 / 3; + int x = (int) (r * Math.cos(angle)); + int y = mCenter.y - (int) (r * Math.sin(angle)) - h / 2; + x = mCenter.x + x - w / 2; + item.setBounds(x, y, x + w, y + h); + float itemstart = angle - sweep / 2; + item.setGeometry(itemstart, sweep, inner, outer); + if (item.hasItems()) { + layoutItems(item.getItems(), angle, inner, outer + mRadiusInc / 2, gap); + } + angle += sweep; + } + } + + private Path makeSlice(float start, float end, int outer, int inner, Point center) { + RectF bb = new RectF(center.x - outer, center.y - outer, center.x + outer, center.y + outer); + RectF bbi = new RectF(center.x - inner, center.y - inner, center.x + inner, center.y + inner); + Path path = new Path(); + path.arcTo(bb, start, end - start, true); + path.arcTo(bbi, end, start - end); + path.close(); + return path; + } + + /** + * converts a + * + * @param angle from 0..PI to Android degrees (clockwise starting at 3 o'clock) + * @return skia angle + */ + private float getDegrees(double angle) { + return (float) (360 - 180 * angle / Math.PI); + } + + private void startFadeOut() { + mOverlay + .animate() + .alpha(0) + .setListener( + new AnimatorListenerAdapter() { + @Override + public void onAnimationEnd(Animator animation) { + deselect(); + show(false); + mOverlay.setAlpha(1); + super.onAnimationEnd(animation); + } + }) + .setDuration(PIE_SELECT_FADE_DURATION); + } + + @Override + public void onDraw(Canvas canvas) { + float alpha = 1; + if (mXFade != null) { + alpha = mXFade.getValue(); + } else if (mFadeIn != null) { + alpha = mFadeIn.getValue(); + } + int state = canvas.save(); + if (mFadeIn != null) { + float sf = 0.9f + alpha * 0.1f; + canvas.scale(sf, sf, mCenter.x, mCenter.y); + } + drawFocus(canvas); + if (mState == STATE_FINISHING) { + canvas.restoreToCount(state); + return; + } + if ((mOpenItem == null) || (mXFade != null)) { + // draw base menu + for (PieItem item : mItems) { + drawItem(canvas, item, alpha); + } + } + if (mOpenItem != null) { + for (PieItem inner : mOpenItem.getItems()) { + drawItem(canvas, inner, (mXFade != null) ? (1 - 0.5f * alpha) : 1); + } + } + canvas.restoreToCount(state); + } + + private void drawItem(Canvas canvas, PieItem item, float alpha) { + if (mState == STATE_PIE) { + if (item.getPath() != null) { + if (item.isSelected()) { + Paint p = mSelectedPaint; + int state = canvas.save(); + float r = getDegrees(item.getStartAngle()); + canvas.rotate(r, mCenter.x, mCenter.y); + canvas.drawPath(item.getPath(), p); + canvas.restoreToCount(state); + } + alpha = alpha * (item.isEnabled() ? 1 : 0.3f); + // draw the item view + item.setAlpha(alpha); + item.draw(canvas); + } + } + } + + @Override + public boolean onTouchEvent(MotionEvent evt) { + float x = evt.getX(); + float y = evt.getY(); + int action = evt.getActionMasked(); + PointF polar = getPolar(x, y, !(mTapMode)); + if (MotionEvent.ACTION_DOWN == action) { + mDown.x = (int) evt.getX(); + mDown.y = (int) evt.getY(); + mOpening = false; + if (mTapMode) { + PieItem item = findItem(polar); + if ((item != null) && (mCurrentItem != item)) { + mState = STATE_PIE; + onEnter(item); + } + } else { + setCenter((int) x, (int) y); + show(true); + } + return true; + } else if (MotionEvent.ACTION_UP == action) { + if (isVisible()) { + PieItem item = mCurrentItem; + if (mTapMode) { + item = findItem(polar); + if (item != null && mOpening) { + mOpening = false; + return true; + } + } + if (item == null) { + mTapMode = false; + show(false); + } else if (!mOpening && !item.hasItems()) { + item.performClick(); + startFadeOut(); + mTapMode = false; + } + return true; + } + } else if (MotionEvent.ACTION_CANCEL == action) { + if (isVisible() || mTapMode) { + show(false); + } + deselect(); + return false; + } else if (MotionEvent.ACTION_MOVE == action) { + if (polar.y < mRadius) { + if (mOpenItem != null) { + mOpenItem = null; + } else { + deselect(); + } + return false; + } + PieItem item = findItem(polar); + boolean moved = hasMoved(evt); + if ((item != null) && (mCurrentItem != item) && (!mOpening || moved)) { + // only select if we didn't just open or have moved past slop + mOpening = false; + if (moved) { + // switch back to swipe mode + mTapMode = false; + } + onEnter(item); + } + } + return false; + } + + private boolean hasMoved(MotionEvent e) { + return mTouchSlopSquared + < (e.getX() - mDown.x) * (e.getX() - mDown.x) + (e.getY() - mDown.y) * (e.getY() - mDown.y); + } + + /** + * enter a slice for a view updates model only + * + * @param item + */ + private void onEnter(PieItem item) { + if (mCurrentItem != null) { + mCurrentItem.setSelected(false); + } + if (item != null && item.isEnabled()) { + item.setSelected(true); + mCurrentItem = item; + if ((mCurrentItem != mOpenItem) && mCurrentItem.hasItems()) { + openCurrentItem(); + } + } else { + mCurrentItem = null; + } + } + + private void deselect() { + if (mCurrentItem != null) { + mCurrentItem.setSelected(false); + } + if (mOpenItem != null) { + mOpenItem = null; + } + mCurrentItem = null; + } + + private void openCurrentItem() { + if ((mCurrentItem != null) && mCurrentItem.hasItems()) { + mCurrentItem.setSelected(false); + mOpenItem = mCurrentItem; + mOpening = true; + mXFade = new LinearAnimation(1, 0); + mXFade.setDuration(PIE_XFADE_DURATION); + mXFade.setAnimationListener( + new AnimationListener() { + @Override + public void onAnimationStart(Animation animation) {} + + @Override + public void onAnimationEnd(Animation animation) { + mXFade = null; + } + + @Override + public void onAnimationRepeat(Animation animation) {} + }); + mXFade.startNow(); + mOverlay.startAnimation(mXFade); + } + } + + private PointF getPolar(float x, float y, boolean useOffset) { + PointF res = new PointF(); + // get angle and radius from x/y + res.x = (float) Math.PI / 2; + x = x - mCenter.x; + y = mCenter.y - y; + res.y = (float) Math.sqrt(x * x + y * y); + if (x != 0) { + res.x = (float) Math.atan2(y, x); + if (res.x < 0) { + res.x = (float) (2 * Math.PI + res.x); + } + } + res.y = res.y + (useOffset ? mTouchOffset : 0); + return res; + } + + /** + * @param polar x: angle, y: dist + * @return the item at angle/dist or null + */ + private PieItem findItem(PointF polar) { + // find the matching item: + List<PieItem> items = (mOpenItem != null) ? mOpenItem.getItems() : mItems; + for (PieItem item : items) { + if (inside(polar, item)) { + return item; + } + } + return null; + } + + private boolean inside(PointF polar, PieItem item) { + return (item.getInnerRadius() < polar.y) + && (item.getStartAngle() < polar.x) + && (item.getStartAngle() + item.getSweep() > polar.x) + && (!mTapMode || (item.getOuterRadius() > polar.y)); + } + + @Override + public boolean handlesTouch() { + return true; + } + + // focus specific code + + public void setBlockFocus(boolean blocked) { + mBlockFocus = blocked; + if (blocked) { + clear(); + } + } + + public void setFocus(int x, int y) { + mFocusX = x; + mFocusY = y; + setCircle(mFocusX, mFocusY); + } + + public void alignFocus(int x, int y) { + mOverlay.removeCallbacks(mDisappear); + mAnimation.cancel(); + mAnimation.reset(); + mFocusX = x; + mFocusY = y; + mDialAngle = DIAL_HORIZONTAL; + setCircle(x, y); + mFocused = false; + } + + public int getSize() { + return 2 * mCircleSize; + } + + private int getRandomRange() { + return (int) (-60 + 120 * Math.random()); + } + + @Override + public void layout(int l, int t, int r, int b) { + super.layout(l, t, r, b); + mCenterX = (r - l) / 2; + mCenterY = (b - t) / 2; + mFocusX = mCenterX; + mFocusY = mCenterY; + setCircle(mFocusX, mFocusY); + if (isVisible() && mState == STATE_PIE) { + setCenter(mCenterX, mCenterY); + layoutPie(); + } + } + + private void setCircle(int cx, int cy) { + mCircle.set(cx - mCircleSize, cy - mCircleSize, cx + mCircleSize, cy + mCircleSize); + mDial.set( + cx - mCircleSize + mInnerOffset, + cy - mCircleSize + mInnerOffset, + cx + mCircleSize - mInnerOffset, + cy + mCircleSize - mInnerOffset); + } + + public void drawFocus(Canvas canvas) { + if (mBlockFocus) { + return; + } + mFocusPaint.setStrokeWidth(mOuterStroke); + canvas.drawCircle((float) mFocusX, (float) mFocusY, (float) mCircleSize, mFocusPaint); + if (mState == STATE_PIE) { + return; + } + int color = mFocusPaint.getColor(); + if (mState == STATE_FINISHING) { + mFocusPaint.setColor(mFocused ? mSuccessColor : mFailColor); + } + mFocusPaint.setStrokeWidth(mInnerStroke); + drawLine(canvas, mDialAngle, mFocusPaint); + drawLine(canvas, mDialAngle + 45, mFocusPaint); + drawLine(canvas, mDialAngle + 180, mFocusPaint); + drawLine(canvas, mDialAngle + 225, mFocusPaint); + canvas.save(); + // rotate the arc instead of its offset to better use framework's shape caching + canvas.rotate(mDialAngle, mFocusX, mFocusY); + canvas.drawArc(mDial, 0, 45, false, mFocusPaint); + canvas.drawArc(mDial, 180, 45, false, mFocusPaint); + canvas.restore(); + mFocusPaint.setColor(color); + } + + private void drawLine(Canvas canvas, int angle, Paint p) { + convertCart(angle, mCircleSize - mInnerOffset, mPoint1); + convertCart(angle, mCircleSize - mInnerOffset + mInnerOffset / 3, mPoint2); + canvas.drawLine( + mPoint1.x + mFocusX, mPoint1.y + mFocusY, mPoint2.x + mFocusX, mPoint2.y + mFocusY, p); + } + + private static void convertCart(int angle, int radius, Point out) { + double a = 2 * Math.PI * (angle % 360) / 360; + out.x = (int) (radius * Math.cos(a) + 0.5); + out.y = (int) (radius * Math.sin(a) + 0.5); + } + + @Override + public void showStart() { + if (mState == STATE_PIE) { + return; + } + cancelFocus(); + mStartAnimationAngle = 67; + int range = getRandomRange(); + startAnimation(SCALING_UP_TIME, false, mStartAnimationAngle, mStartAnimationAngle + range); + mState = STATE_FOCUSING; + } + + @Override + public void showSuccess(boolean timeout) { + if (mState == STATE_FOCUSING) { + startAnimation(SCALING_DOWN_TIME, timeout, mStartAnimationAngle); + mState = STATE_FINISHING; + mFocused = true; + } + } + + @Override + public void showFail(boolean timeout) { + if (mState == STATE_FOCUSING) { + startAnimation(SCALING_DOWN_TIME, timeout, mStartAnimationAngle); + mState = STATE_FINISHING; + mFocused = false; + } + } + + private void cancelFocus() { + mFocusCancelled = true; + mOverlay.removeCallbacks(mDisappear); + if (mAnimation != null) { + mAnimation.cancel(); + } + mFocusCancelled = false; + mFocused = false; + mState = STATE_IDLE; + } + + @Override + public void clear() { + if (mState == STATE_PIE) { + return; + } + cancelFocus(); + mOverlay.post(mDisappear); + } + + private void startAnimation(long duration, boolean timeout, float toScale) { + startAnimation(duration, timeout, mDialAngle, toScale); + } + + private void startAnimation(long duration, boolean timeout, float fromScale, float toScale) { + setVisible(true); + mAnimation.reset(); + mAnimation.setDuration(duration); + mAnimation.setScale(fromScale, toScale); + mAnimation.setAnimationListener(timeout ? mEndAction : null); + mOverlay.startAnimation(mAnimation); + update(); + } + + private class EndAction implements Animation.AnimationListener { + @Override + public void onAnimationEnd(Animation animation) { + // Keep the focus indicator for some time. + if (!mFocusCancelled) { + mOverlay.postDelayed(mDisappear, DISAPPEAR_TIMEOUT); + } + } + + @Override + public void onAnimationRepeat(Animation animation) {} + + @Override + public void onAnimationStart(Animation animation) {} + } + + private class Disappear implements Runnable { + @Override + public void run() { + if (mState == STATE_PIE) { + return; + } + setVisible(false); + mFocusX = mCenterX; + mFocusY = mCenterY; + mState = STATE_IDLE; + setCircle(mFocusX, mFocusY); + mFocused = false; + } + } + + private class ScaleAnimation extends Animation { + private float mFrom = 1f; + private float mTo = 1f; + + public ScaleAnimation() { + setFillAfter(true); + } + + public void setScale(float from, float to) { + mFrom = from; + mTo = to; + } + + @Override + protected void applyTransformation(float interpolatedTime, Transformation t) { + mDialAngle = (int) (mFrom + (mTo - mFrom) * interpolatedTime); + } + } + + private static class LinearAnimation extends Animation { + private float mFrom; + private float mTo; + private float mValue; + + public LinearAnimation(float from, float to) { + setFillAfter(true); + setInterpolator(new LinearInterpolator()); + mFrom = from; + mTo = to; + } + + public float getValue() { + return mValue; + } + + @Override + protected void applyTransformation(float interpolatedTime, Transformation t) { + mValue = (mFrom + (mTo - mFrom) * interpolatedTime); + } + } +} diff --git a/java/com/android/dialer/callcomposer/camera/camerafocus/RenderOverlay.java b/java/com/android/dialer/callcomposer/camera/camerafocus/RenderOverlay.java new file mode 100644 index 000000000..c38ae6c81 --- /dev/null +++ b/java/com/android/dialer/callcomposer/camera/camerafocus/RenderOverlay.java @@ -0,0 +1,153 @@ +/* + * Copyright (C) 2016 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.dialer.callcomposer.camera.camerafocus; + +import android.annotation.SuppressLint; +import android.content.Context; +import android.graphics.Canvas; +import android.util.AttributeSet; +import android.view.MotionEvent; +import android.view.View; +import android.widget.FrameLayout; +import java.util.ArrayList; +import java.util.List; + +/** Focusing overlay. */ +public class RenderOverlay extends FrameLayout { + + /** Render interface. */ + interface Renderer { + boolean handlesTouch(); + + boolean onTouchEvent(MotionEvent evt); + + void setOverlay(RenderOverlay overlay); + + void layout(int left, int top, int right, int bottom); + + void draw(Canvas canvas); + } + + private RenderView mRenderView; + private List<Renderer> mClients; + + // reverse list of touch clients + private List<Renderer> mTouchClients; + private int[] mPosition = new int[2]; + + public RenderOverlay(Context context, AttributeSet attrs) { + super(context, attrs); + mRenderView = new RenderView(context); + addView(mRenderView, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)); + mClients = new ArrayList<>(10); + mTouchClients = new ArrayList<>(10); + setWillNotDraw(false); + + addRenderer(new PieRenderer(context)); + } + + public PieRenderer getPieRenderer() { + for (Renderer renderer : mClients) { + if (renderer instanceof PieRenderer) { + return (PieRenderer) renderer; + } + } + return null; + } + + public void addRenderer(Renderer renderer) { + mClients.add(renderer); + renderer.setOverlay(this); + if (renderer.handlesTouch()) { + mTouchClients.add(0, renderer); + } + renderer.layout(getLeft(), getTop(), getRight(), getBottom()); + } + + public void addRenderer(int pos, Renderer renderer) { + mClients.add(pos, renderer); + renderer.setOverlay(this); + renderer.layout(getLeft(), getTop(), getRight(), getBottom()); + } + + public void remove(Renderer renderer) { + mClients.remove(renderer); + renderer.setOverlay(null); + } + + @Override + public boolean dispatchTouchEvent(MotionEvent m) { + return false; + } + + private void adjustPosition() { + getLocationInWindow(mPosition); + } + + public void update() { + mRenderView.invalidate(); + } + + @SuppressLint("ClickableViewAccessibility") + private class RenderView extends View { + + public RenderView(Context context) { + super(context); + setWillNotDraw(false); + } + + @Override + public boolean onTouchEvent(MotionEvent evt) { + if (mTouchClients != null) { + boolean res = false; + for (Renderer client : mTouchClients) { + res |= client.onTouchEvent(evt); + } + return res; + } + return false; + } + + @Override + public void onLayout(boolean changed, int left, int top, int right, int bottom) { + adjustPosition(); + super.onLayout(changed, left, top, right, bottom); + if (mClients == null) { + return; + } + for (Renderer renderer : mClients) { + renderer.layout(left, top, right, bottom); + } + } + + @Override + public void draw(Canvas canvas) { + super.draw(canvas); + if (mClients == null) { + return; + } + boolean redraw = false; + for (Renderer renderer : mClients) { + renderer.draw(canvas); + redraw = redraw || ((OverlayRenderer) renderer).isVisible(); + } + if (redraw) { + invalidate(); + } + } + } +} diff --git a/java/com/android/dialer/callcomposer/camera/camerafocus/res/values/dimens.xml b/java/com/android/dialer/callcomposer/camera/camerafocus/res/values/dimens.xml new file mode 100644 index 000000000..fba631b0e --- /dev/null +++ b/java/com/android/dialer/callcomposer/camera/camerafocus/res/values/dimens.xml @@ -0,0 +1,26 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- + ~ Copyright (C) 2016 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 + --> +<resources> + <!-- Camera focus indicator values --> + <dimen name="pie_radius_start">40dp</dimen> + <dimen name="pie_radius_increment">30dp</dimen> + <dimen name="pie_touch_offset">20dp</dimen> + <dimen name="focus_radius_offset">8dp</dimen> + <dimen name="focus_inner_offset">12dp</dimen> + <dimen name="focus_outer_stroke">3dp</dimen> + <dimen name="focus_inner_stroke">2dp</dimen> +</resources>
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