Index: chrome/browser/resources/pdf/viewport_scroller.js |
diff --git a/chrome/browser/resources/pdf/viewport_scroller.js b/chrome/browser/resources/pdf/viewport_scroller.js |
index eeef83956b9f950e2e58c42310434b93df9df2a1..8246e54e98c90f08d9052b337c0e7bd4886d215b 100644 |
--- a/chrome/browser/resources/pdf/viewport_scroller.js |
+++ b/chrome/browser/resources/pdf/viewport_scroller.js |
@@ -44,9 +44,9 @@ ViewportScroller.prototype = { |
*/ |
startDragScrollTimer_: function() { |
if (this.timerId_ === null) { |
- this.timerId_ = |
- this.window_.setInterval(this.dragScrollPage_.bind(this), |
- ViewportScroller.DRAG_TIMER_INTERVAL_MS_); |
+ this.timerId_ = this.window_.setInterval( |
+ this.dragScrollPage_.bind(this), |
+ ViewportScroller.DRAG_TIMER_INTERVAL_MS_); |
this.lastFrameTime_ = Date.now(); |
} |
}, |
@@ -71,7 +71,7 @@ ViewportScroller.prototype = { |
var position = this.viewport_.position; |
var currentFrameTime = Date.now(); |
var timeAdjustment = (currentFrameTime - this.lastFrameTime_) / |
- ViewportScroller.DRAG_TIMER_INTERVAL_MS_; |
+ ViewportScroller.DRAG_TIMER_INTERVAL_MS_; |
position.y += (this.scrollVelocity_.y * timeAdjustment); |
position.x += (this.scrollVelocity_.x * timeAdjustment); |
this.viewport_.position = position; |
@@ -86,18 +86,19 @@ ViewportScroller.prototype = { |
* @return {Object} Object with x and y direction scroll velocity. |
*/ |
calculateVelocity_: function(event) { |
- var x = Math.min(Math.max(-event.offsetX, |
- event.offsetX - this.plugin_.offsetWidth, 0), |
- ViewportScroller.MAX_DRAG_SCROLL_DISTANCE_) * |
- Math.sign(event.offsetX); |
- var y = Math.min(Math.max(-event.offsetY, |
- event.offsetY - this.plugin_.offsetHeight, 0), |
- ViewportScroller.MAX_DRAG_SCROLL_DISTANCE_) * |
- Math.sign(event.offsetY); |
- return { |
- x: x, |
- y: y |
- }; |
+ var x = |
+ Math.min( |
+ Math.max( |
+ -event.offsetX, event.offsetX - this.plugin_.offsetWidth, 0), |
+ ViewportScroller.MAX_DRAG_SCROLL_DISTANCE_) * |
+ Math.sign(event.offsetX); |
+ var y = |
+ Math.min( |
+ Math.max( |
+ -event.offsetY, event.offsetY - this.plugin_.offsetHeight, 0), |
+ ViewportScroller.MAX_DRAG_SCROLL_DISTANCE_) * |
+ Math.sign(event.offsetY); |
+ return {x: x, y: y}; |
}, |
/** |
@@ -123,13 +124,13 @@ ViewportScroller.prototype = { |
if (isSelecting) { |
if (!this.mousemoveCallback_) |
this.mousemoveCallback_ = this.onMousemove_.bind(this); |
- this.plugin_.addEventListener('mousemove', this.mousemoveCallback_, |
- false); |
+ this.plugin_.addEventListener( |
+ 'mousemove', this.mousemoveCallback_, false); |
} else { |
this.stopDragScrollTimer_(); |
if (this.mousemoveCallback_) { |
- this.plugin_.removeEventListener('mousemove', this.mousemoveCallback_, |
- false); |
+ this.plugin_.removeEventListener( |
+ 'mousemove', this.mousemoveCallback_, false); |
} |
} |
} |