content/shell/tools/plugin/PluginObjectMac.mm

   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 /*
   6  * Copyright (C) 2010 Apple Inc. All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  25  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "PluginObject.h"
  31
  32
  33 #include <QuartzCore/QuartzCore.h>
  34
  35 @interface TestPluginLayer : CALayer
  36 @end
  37
  38 @implementation TestPluginLayer
  39
  40 - (void)drawInContext:(CGContextRef)context
  41 {
  42     CGRect bounds = [self bounds];
  43     const char* text = "Test Plug-in";
  44     CGContextSelectFont(context, "Helvetica", 24, kCGEncodingMacRoman);
  45     CGContextShowTextAtPoint(context,
  46                              bounds.origin.x + 3.0f,
  47                              bounds.origin.y + bounds.size.height - 30.0f,
  48                              text,
  49                              strlen(text));
  50 }
  51
  52 @end
  53
  54 void* createCoreAnimationLayer()
  55 {
  56     CALayer *caLayer = [[TestPluginLayer alloc] init];
  57
  58     NSNull *nullValue = [NSNull null];
  59     NSDictionary *actions = [NSDictionary dictionaryWithObjectsAndKeys:
  60                              nullValue, @"anchorPoint",
  61                              nullValue, @"bounds",
  62                              nullValue, @"contents",
  63                              nullValue, @"contentsRect",
  64                              nullValue, @"opacity",
  65                              nullValue, @"position",
  66                              nullValue, @"shadowColor",
  67                              nullValue, @"sublayerTransform",
  68                              nullValue, @"sublayers",
  69                              nullValue, @"transform",
  70                              nullValue, @"zPosition",
  71                              nil];
  72     // Turn off default animations.
  73     [caLayer
  74         setStyle:[NSDictionary dictionaryWithObject:actions forKey:@"actions"]];
  75     [caLayer setNeedsDisplayOnBoundsChange:YES];
  76
  77     [caLayer setBounds:CGRectMake(0, 0, 200, 100)];
  78     [caLayer setAnchorPoint:CGPointZero];
  79
  80     CGColorRef color = CGColorCreateGenericRGB(0.5, 0.5, 1, 1);
  81     [caLayer setBackgroundColor:color];
  82     CGColorRelease(color);
  83
  84     [caLayer setLayoutManager:[CAConstraintLayoutManager layoutManager]];
  85
  86     CALayer *sublayer = [CALayer layer];
  87     // Turn off default animations.
  88     [sublayer
  89         setStyle:[NSDictionary dictionaryWithObject:actions forKey:@"actions"]];
  90
  91     color = CGColorCreateGenericRGB(0, 0, 0, 0.75);
  92     [sublayer setBackgroundColor:color];
  93     CGColorRelease(color);
  94     [sublayer setBounds:CGRectMake(0, 0, 180, 20)];
  95
  96     [sublayer
  97         addConstraint:[CAConstraint constraintWithAttribute:kCAConstraintMinY
  98                                                  relativeTo:@"superlayer"
  99                                                   attribute:kCAConstraintMinY]];
 100     [sublayer
 101         addConstraint:[CAConstraint constraintWithAttribute:kCAConstraintMinX
 102                                                  relativeTo:@"superlayer"
 103                                                   attribute:kCAConstraintMinX]];
 104     [sublayer
 105         addConstraint:[CAConstraint constraintWithAttribute:kCAConstraintMaxX
 106                                                  relativeTo:@"superlayer"
 107                                                   attribute:kCAConstraintMaxX]];
 108
 109     [caLayer addSublayer:sublayer];
 110     return caLayer;
 111 }