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      1 
      2 /*
      3  * Copyright 2011 Google Inc.
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 #include "SkBorderView.h"
      9 #include "SkAnimator.h"
     10 #include "SkWidgetViews.h"
     11 #include "SkSystemEventTypes.h"
     12 #include "SkTime.h"
     13 #include "SkStackViewLayout.h"
     14 
     15 SkBorderView::SkBorderView() : fLeft(SkIntToScalar(0)),
     16                                fRight(SkIntToScalar(0)),
     17                                fTop(SkIntToScalar(0)),
     18                                fBottom(SkIntToScalar(0))
     19 {
     20     fAnim.setHostEventSink(this);
     21     init_skin_anim(kBorder_SkinEnum, &fAnim);
     22 }
     23 
     24 SkBorderView::~SkBorderView()
     25 {
     26 
     27 }
     28 
     29 void SkBorderView::setSkin(const char skin[])
     30 {
     31     init_skin_anim(skin, &fAnim);
     32 }
     33 
     34 /* virtual */ void SkBorderView::onInflate(const SkDOM& dom, const SkDOM::Node* node)
     35 {
     36     this->INHERITED::onInflate(dom, node);
     37 }
     38 
     39 /*virtual*/ void SkBorderView::onSizeChange()
     40 {
     41     this->INHERITED::onSizeChange();
     42     SkEvent evt("user");
     43     evt.setString("id", "setDim");
     44     evt.setScalar("dimX", this->width());
     45     evt.setScalar("dimY", this->height());
     46     fAnim.doUserEvent(evt);
     47 }
     48 
     49 /*virtual*/ void SkBorderView::onDraw(SkCanvas* canvas)
     50 {
     51     SkPaint                        paint;
     52     SkAnimator::DifferenceType    diff = fAnim.draw(canvas, &paint, SkTime::GetMSecs());
     53 
     54     if (diff == SkAnimator::kDifferent)
     55         this->inval(NULL);
     56     else if (diff == SkAnimator::kPartiallyDifferent)
     57     {
     58         SkRect    bounds;
     59         fAnim.getInvalBounds(&bounds);
     60         this->inval(&bounds);
     61     }
     62 }
     63 
     64 /*virtual*/ bool SkBorderView::onEvent(const SkEvent& evt)
     65 {
     66     if (evt.isType(SK_EventType_Inval))
     67     {
     68         this->inval(NULL);
     69         return true;
     70     }
     71     if (evt.isType("recommendDim"))
     72     {
     73         evt.findScalar("leftMargin", &fLeft);
     74         evt.findScalar("rightMargin", &fRight);
     75         evt.findScalar("topMargin", &fTop);
     76         evt.findScalar("bottomMargin", &fBottom);
     77 
     78         //setup_views.cpp uses SkView::Layout instead of SkStackViewLayout
     79         //but that gives me an error
     80         SkStackViewLayout* layout;
     81         fMargin.set(fLeft, fTop, fRight, fBottom);
     82         if (this->getLayout())
     83         {
     84             layout = (SkStackViewLayout*)this->getLayout();
     85             layout->setMargin(fMargin);
     86         }
     87         else
     88         {
     89             layout = new SkStackViewLayout;
     90             layout->setMargin(fMargin);
     91             this->setLayout(layout)->unref();
     92         }
     93         this->invokeLayout();
     94     }
     95     return this->INHERITED::onEvent(evt);
     96 }
     97