diff options
Diffstat (limited to 'src/com/android/gallery3d/app/TimeBar.java')
-rw-r--r-- | src/com/android/gallery3d/app/TimeBar.java | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/src/com/android/gallery3d/app/TimeBar.java b/src/com/android/gallery3d/app/TimeBar.java deleted file mode 100644 index 246346a56..000000000 --- a/src/com/android/gallery3d/app/TimeBar.java +++ /dev/null @@ -1,266 +0,0 @@ -/* - * Copyright (C) 2011 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.gallery3d.app; - -import android.content.Context; -import android.graphics.Bitmap; -import android.graphics.BitmapFactory; -import android.graphics.Canvas; -import android.graphics.Paint; -import android.graphics.Rect; -import android.util.DisplayMetrics; -import android.view.MotionEvent; -import android.view.View; - -import com.android.gallery3d.R; -import com.android.gallery3d.common.Utils; - -/** - * The time bar view, which includes the current and total time, the progress - * bar, and the scrubber. - */ -public class TimeBar extends View { - - public interface Listener { - void onScrubbingStart(); - - void onScrubbingMove(int time); - - void onScrubbingEnd(int time, int start, int end); - } - - // Padding around the scrubber to increase its touch target - private static final int SCRUBBER_PADDING_IN_DP = 10; - - // The total padding, top plus bottom - private static final int V_PADDING_IN_DP = 30; - - private static final int TEXT_SIZE_IN_DP = 14; - - protected final Listener mListener; - - // the bars we use for displaying the progress - protected final Rect mProgressBar; - protected final Rect mPlayedBar; - - protected final Paint mProgressPaint; - protected final Paint mPlayedPaint; - protected final Paint mTimeTextPaint; - - protected final Bitmap mScrubber; - protected int mScrubberPadding; // adds some touch tolerance around the - // scrubber - - protected int mScrubberLeft; - protected int mScrubberTop; - protected int mScrubberCorrection; - protected boolean mScrubbing; - protected boolean mShowTimes; - protected boolean mShowScrubber; - - protected int mTotalTime; - protected int mCurrentTime; - - protected final Rect mTimeBounds; - - protected int mVPaddingInPx; - - public TimeBar(Context context, Listener listener) { - super(context); - mListener = Utils.checkNotNull(listener); - - mShowTimes = true; - mShowScrubber = true; - - mProgressBar = new Rect(); - mPlayedBar = new Rect(); - - mProgressPaint = new Paint(); - mProgressPaint.setColor(0xFF808080); - mPlayedPaint = new Paint(); - mPlayedPaint.setColor(0xFFFFFFFF); - - DisplayMetrics metrics = context.getResources().getDisplayMetrics(); - float textSizeInPx = metrics.density * TEXT_SIZE_IN_DP; - mTimeTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG); - mTimeTextPaint.setColor(0xFFCECECE); - mTimeTextPaint.setTextSize(textSizeInPx); - mTimeTextPaint.setTextAlign(Paint.Align.CENTER); - - mTimeBounds = new Rect(); - mTimeTextPaint.getTextBounds("0:00:00", 0, 7, mTimeBounds); - - mScrubber = BitmapFactory.decodeResource(getResources(), R.drawable.scrubber_knob); - mScrubberPadding = (int) (metrics.density * SCRUBBER_PADDING_IN_DP); - - mVPaddingInPx = (int) (metrics.density * V_PADDING_IN_DP); - } - - private void update() { - mPlayedBar.set(mProgressBar); - - if (mTotalTime > 0) { - mPlayedBar.right = - mPlayedBar.left + (int) ((mProgressBar.width() * (long) mCurrentTime) / mTotalTime); - } else { - mPlayedBar.right = mProgressBar.left; - } - - if (!mScrubbing) { - mScrubberLeft = mPlayedBar.right - mScrubber.getWidth() / 2; - } - invalidate(); - } - - /** - * @return the preferred height of this view, including invisible padding - */ - public int getPreferredHeight() { - return mTimeBounds.height() + mVPaddingInPx + mScrubberPadding; - } - - /** - * @return the height of the time bar, excluding invisible padding - */ - public int getBarHeight() { - return mTimeBounds.height() + mVPaddingInPx; - } - - public void setTime(int currentTime, int totalTime, - int trimStartTime, int trimEndTime) { - if (mCurrentTime == currentTime && mTotalTime == totalTime) { - return; - } - mCurrentTime = currentTime; - mTotalTime = totalTime; - update(); - } - - private boolean inScrubber(float x, float y) { - int scrubberRight = mScrubberLeft + mScrubber.getWidth(); - int scrubberBottom = mScrubberTop + mScrubber.getHeight(); - return mScrubberLeft - mScrubberPadding < x && x < scrubberRight + mScrubberPadding - && mScrubberTop - mScrubberPadding < y && y < scrubberBottom + mScrubberPadding; - } - - private void clampScrubber() { - int half = mScrubber.getWidth() / 2; - int max = mProgressBar.right - half; - int min = mProgressBar.left - half; - mScrubberLeft = Math.min(max, Math.max(min, mScrubberLeft)); - } - - private int getScrubberTime() { - return (int) ((long) (mScrubberLeft + mScrubber.getWidth() / 2 - mProgressBar.left) - * mTotalTime / mProgressBar.width()); - } - - @Override - protected void onLayout(boolean changed, int l, int t, int r, int b) { - int w = r - l; - int h = b - t; - if (!mShowTimes && !mShowScrubber) { - mProgressBar.set(0, 0, w, h); - } else { - int margin = mScrubber.getWidth() / 3; - if (mShowTimes) { - margin += mTimeBounds.width(); - } - int progressY = (h + mScrubberPadding) / 2; - mScrubberTop = progressY - mScrubber.getHeight() / 2 + 1; - mProgressBar.set( - getPaddingLeft() + margin, progressY, - w - getPaddingRight() - margin, progressY + 4); - } - update(); - } - - @Override - protected void onDraw(Canvas canvas) { - // draw progress bars - canvas.drawRect(mProgressBar, mProgressPaint); - canvas.drawRect(mPlayedBar, mPlayedPaint); - - // draw scrubber and timers - if (mShowScrubber) { - canvas.drawBitmap(mScrubber, mScrubberLeft, mScrubberTop, null); - } - if (mShowTimes) { - canvas.drawText( - stringForTime(mCurrentTime), - mTimeBounds.width() / 2 + getPaddingLeft(), - mTimeBounds.height() + mVPaddingInPx / 2 + mScrubberPadding + 1, - mTimeTextPaint); - canvas.drawText( - stringForTime(mTotalTime), - getWidth() - getPaddingRight() - mTimeBounds.width() / 2, - mTimeBounds.height() + mVPaddingInPx / 2 + mScrubberPadding + 1, - mTimeTextPaint); - } - } - - @Override - public boolean onTouchEvent(MotionEvent event) { - if (mShowScrubber) { - int x = (int) event.getX(); - int y = (int) event.getY(); - - switch (event.getAction()) { - case MotionEvent.ACTION_DOWN: { - mScrubberCorrection = inScrubber(x, y) - ? x - mScrubberLeft - : mScrubber.getWidth() / 2; - mScrubbing = true; - mListener.onScrubbingStart(); - } - // fall-through - case MotionEvent.ACTION_MOVE: { - mScrubberLeft = x - mScrubberCorrection; - clampScrubber(); - mCurrentTime = getScrubberTime(); - mListener.onScrubbingMove(mCurrentTime); - invalidate(); - return true; - } - case MotionEvent.ACTION_CANCEL: - case MotionEvent.ACTION_UP: { - mListener.onScrubbingEnd(getScrubberTime(), 0, 0); - mScrubbing = false; - return true; - } - } - } - return false; - } - - protected String stringForTime(long millis) { - int totalSeconds = (int) millis / 1000; - int seconds = totalSeconds % 60; - int minutes = (totalSeconds / 60) % 60; - int hours = totalSeconds / 3600; - if (hours > 0) { - return String.format("%d:%02d:%02d", hours, minutes, seconds).toString(); - } else { - return String.format("%02d:%02d", minutes, seconds).toString(); - } - } - - public void setSeekable(boolean canSeek) { - mShowScrubber = canSeek; - } - -} |