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gfx/skia/trunk/src/views/animated/SkScrollBarView.cpp@129ffea94266 (annotated)

gfx/skia/trunk/src/views/animated/SkScrollBarView.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1
michael@0	2	/*
michael@0	3	* Copyright 2011 Google Inc.
michael@0	4	*
michael@0	5	* Use of this source code is governed by a BSD-style license that can be
michael@0	6	* found in the LICENSE file.
michael@0	7	*/
michael@0	8	#include "SkScrollBarView.h"
michael@0	9	#include "SkAnimator.h"
michael@0	10	#include "SkWidgetViews.h"
michael@0	11	#include "SkSystemEventTypes.h"
michael@0	12	#include "SkTime.h"
michael@0	13
michael@0	14	//see SkProgressBarView.cpp
michael@0	15	//#include "SkWidgetViews.cpp"
michael@0	16
michael@0	17	SkScrollBarView::SkScrollBarView()
michael@0	18	{
michael@0	19	fAnim.setHostEventSink(this);
michael@0	20	init_skin_anim(kScroll_SkinEnum, &fAnim);
michael@0	21
michael@0	22	fTotalLength = 0;
michael@0	23	fStartPoint = 0;
michael@0	24	fShownLength = 0;
michael@0	25
michael@0	26	this->adjust();
michael@0	27	}
michael@0	28
michael@0	29	void SkScrollBarView::setStart(unsigned start)
michael@0	30	{
michael@0	31	if ((int)start < 0)
michael@0	32	start = 0;
michael@0	33
michael@0	34	if (fStartPoint != start)
michael@0	35	{
michael@0	36	fStartPoint = start;
michael@0	37	this->adjust();
michael@0	38	}
michael@0	39	}
michael@0	40
michael@0	41	void SkScrollBarView::setShown(unsigned shown)
michael@0	42	{
michael@0	43	if ((int)shown < 0)
michael@0	44	shown = 0;
michael@0	45
michael@0	46	if (fShownLength != shown)
michael@0	47	{
michael@0	48	fShownLength = shown;
michael@0	49	this->adjust();
michael@0	50	}
michael@0	51	}
michael@0	52
michael@0	53	void SkScrollBarView::setTotal(unsigned total)
michael@0	54	{
michael@0	55	if ((int)total < 0)
michael@0	56	total = 0;
michael@0	57
michael@0	58	if (fTotalLength != total)
michael@0	59	{
michael@0	60	fTotalLength = total;
michael@0	61	this->adjust();
michael@0	62	}
michael@0	63	}
michael@0	64
michael@0	65	/* virtual */ void SkScrollBarView::onInflate(const SkDOM& dom, const SkDOM::Node* node)
michael@0	66	{
michael@0	67	this->INHERITED::onInflate(dom, node);
michael@0	68
michael@0	69	int32_t value;
michael@0	70	if (dom.findS32(node, "total", &value))
michael@0	71	this->setTotal(value);
michael@0	72	if (dom.findS32(node, "shown", &value))
michael@0	73	this->setShown(value);
michael@0	74	}
michael@0	75
michael@0	76	/*virtual*/ void SkScrollBarView::onSizeChange()
michael@0	77	{
michael@0	78	this->INHERITED::onSizeChange();
michael@0	79	SkEvent evt("user");
michael@0	80	evt.setString("id", "setDim");
michael@0	81	evt.setScalar("dimX", this->width());
michael@0	82	evt.setScalar("dimY", this->height());
michael@0	83	fAnim.doUserEvent(evt);
michael@0	84	}
michael@0	85
michael@0	86	/*virtual*/ void SkScrollBarView::onDraw(SkCanvas* canvas)
michael@0	87	{
michael@0	88	SkPaint paint;
michael@0	89	SkAnimator::DifferenceType diff = fAnim.draw(canvas, &paint, SkTime::GetMSecs());
michael@0	90
michael@0	91	if (diff == SkAnimator::kDifferent)
michael@0	92	this->inval(NULL);
michael@0	93	else if (diff == SkAnimator::kPartiallyDifferent)
michael@0	94	{
michael@0	95	SkRect bounds;
michael@0	96	fAnim.getInvalBounds(&bounds);
michael@0	97	this->inval(&bounds);
michael@0	98	}
michael@0	99	}
michael@0	100
michael@0	101	/*virtual*/ bool SkScrollBarView::onEvent(const SkEvent& evt)
michael@0	102	{
michael@0	103	if (evt.isType(SK_EventType_Inval))
michael@0	104	{
michael@0	105	this->inval(NULL);
michael@0	106	return true;
michael@0	107	}
michael@0	108	if (evt.isType("recommendDim"))
michael@0	109	{
michael@0	110	SkScalar width;
michael@0	111
michael@0	112	if (evt.findScalar("x", &width))
michael@0	113	this->setWidth(width);
michael@0	114	return true;
michael@0	115	}
michael@0	116
michael@0	117	return this->INHERITED::onEvent(evt);
michael@0	118	}
michael@0	119
michael@0	120	void SkScrollBarView::adjust()
michael@0	121	{
michael@0	122	int total = fTotalLength;
michael@0	123	int start = fStartPoint;
michael@0	124	int shown = fShownLength;
michael@0	125	// int hideBar = 0;
michael@0	126
michael@0	127	if (total <= 0 || shown <= 0 || shown >= total) // no bar to show
michael@0	128	{
michael@0	129	total = 1; // avoid divide-by-zero. should be done by skin/script
michael@0	130	// hideBar = 1; // signal we don't want a thumb
michael@0	131	}
michael@0	132	else
michael@0	133	{
michael@0	134	if (start + shown > total)
michael@0	135	start = total - shown;
michael@0	136	}
michael@0	137
michael@0	138	SkEvent e("user");
michael@0	139	e.setString("id", "adjustScrollBar");
michael@0	140	e.setScalar("_totalLength", SkIntToScalar(total));
michael@0	141	e.setScalar("_startPoint", SkIntToScalar(start));
michael@0	142	e.setScalar("_shownLength", SkIntToScalar(shown));
michael@0	143	// e.setS32("hideBar", hideBar);
michael@0	144	fAnim.doUserEvent(e);
michael@0	145	}