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Unified Diff: chrome/android/java_staging/src/org/chromium/chrome/browser/widget/SlowedProgressBar.java

Issue 1206673003: Merge java_staging/src into java/src. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 5 years, 6 months ago
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Index: chrome/android/java_staging/src/org/chromium/chrome/browser/widget/SlowedProgressBar.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/widget/SlowedProgressBar.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/widget/SlowedProgressBar.java
deleted file mode 100644
index 9505f52395719071d284124a6af6eb44d1a2a897..0000000000000000000000000000000000000000
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/widget/SlowedProgressBar.java
+++ /dev/null
@@ -1,109 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.widget;
-
-import android.content.Context;
-import android.graphics.Canvas;
-import android.util.AttributeSet;
-import android.widget.ProgressBar;
-
-import org.chromium.base.annotations.SuppressFBWarnings;
-
-/**
- * A throttled version of {@link ProgressBar}. This steals calls to
- * {@link android.view.View#postInvalidateOnAnimation} and delays them if necessary to reach a
- * specific FPS.
- */
-public class SlowedProgressBar extends ProgressBar {
- private long mLastDrawTimeMs = 0;
- private boolean mPendingInvalidation = false;
- private static final int MIN_MS_PER_FRAME = 66;
- private int mTargetProgress;
-
- private final Runnable mInvalidationRunnable = new Runnable() {
- @Override
- public void run() {
- mPendingInvalidation = false;
- invalidate();
- }
- };
-
- private final Runnable mUpdateProgressRunnable = new Runnable() {
- @Override
- public void run() {
- setProgressInternal(mTargetProgress);
- }
- };
-
- /**
- * Create a new progress bar with range 0...100 and initial progress of 0.
- * @param context the application environment.
- */
- public SlowedProgressBar(Context context) {
- super(context, null);
- }
-
- /**
- * Create a new progress bar with range 0...100 and initial progress of 0.
- * @param context the application environment.
- * @param attrs the xml attributes that should be used to initialize this view.
- */
- public SlowedProgressBar(Context context, AttributeSet attrs) {
- super(context, attrs);
- }
-
- /**
- * Create a new progress bar with range 0...100 and initial progress of 0.
- * @param context the application environment.
- * @param attrs the xml attributes that should be used to initialize this view.
- * @param defStyle the default style to apply to this view.
- */
- public SlowedProgressBar(Context context, AttributeSet attrs, int defStyle) {
- super(context, attrs, defStyle);
- }
-
- /**
- * Keep track of the last time we drew.
- */
- @Override
- public void onDraw(Canvas canvas) {
- mLastDrawTimeMs = System.currentTimeMillis();
- super.onDraw(canvas);
- }
-
- /**
- * Delay invalidations to be no more than 1 per MIN_MS_PER_FRAME;
- * never allow more than one invalidation outstanding.
- */
- @Override
- public void postInvalidateOnAnimation() {
- if (mPendingInvalidation) return;
- long nextDrawTime = mLastDrawTimeMs + MIN_MS_PER_FRAME;
- long delay = Math.max(0, nextDrawTime - System.currentTimeMillis());
- mPendingInvalidation = true;
- postOnAnimationDelayed(mInvalidationRunnable, delay);
- }
-
- /**
- * Ensure invalidations always occurs in the scope of animation.
- * @param progress The progress value to set the visuals to.
- */
- @SuppressFBWarnings("CHROMIUM_SYNCHRONIZED_METHOD")
- @Override
- public synchronized void setProgress(int progress) {
- if (mTargetProgress == progress) return;
- mTargetProgress = progress;
- removeCallbacks(mUpdateProgressRunnable);
- postOnAnimation(mUpdateProgressRunnable);
- }
-
- /**
- * Called to update the progress visuals.
- * @param progress The progress value to set the visuals to.
- */
- protected void setProgressInternal(int progress) {
- super.setProgress(progress);
- }
-}

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