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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #import "ui/views/cocoa/bridged_content_view.h"
      6 
      7 #include "base/logging.h"
      8 #include "ui/gfx/canvas_paint_mac.h"
      9 #include "ui/views/view.h"
     10 
     11 @implementation BridgedContentView
     12 
     13 @synthesize hostedView = hostedView_;
     14 
     15 - (id)initWithView:(views::View*)viewToHost {
     16   DCHECK(viewToHost);
     17   gfx::Rect bounds = viewToHost->bounds();
     18   // To keep things simple, assume the origin is (0, 0) until there exists a use
     19   // case for something other than that.
     20   DCHECK(bounds.origin().IsOrigin());
     21   NSRect initialFrame = NSMakeRect(0, 0, bounds.width(), bounds.height());
     22   if ((self = [super initWithFrame:initialFrame]))
     23     hostedView_ = viewToHost;
     24 
     25   return self;
     26 }
     27 
     28 - (void)clearView {
     29   hostedView_ = NULL;
     30 }
     31 
     32 // NSView implementation.
     33 
     34 - (void)setFrameSize:(NSSize)newSize {
     35   [super setFrameSize:newSize];
     36   if (!hostedView_)
     37     return;
     38 
     39   hostedView_->SetSize(gfx::Size(newSize.width, newSize.height));
     40 }
     41 
     42 - (void)drawRect:(NSRect)dirtyRect {
     43   if (!hostedView_)
     44     return;
     45 
     46   gfx::CanvasSkiaPaint canvas(dirtyRect, false /* opaque */);
     47   hostedView_->Paint(&canvas, views::CullSet());
     48 }
     49 
     50 @end
     51