1 // Copyright (c) 2012 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 #include "ppapi/shared_impl/ppb_view_shared.h" 6 7 namespace { 8 9 bool IsRectNonempty(const PP_Rect& rect) { 10 return rect.size.width > 0 && rect.size.height > 0; 11 } 12 13 } // namespace 14 15 namespace ppapi { 16 17 ViewData::ViewData() { 18 // Assume POD. 19 memset(this, 0, sizeof(ViewData)); 20 21 device_scale = 1.0f; 22 css_scale = 1.0f; 23 } 24 25 ViewData::~ViewData() { 26 } 27 28 bool ViewData::Equals(const ViewData& other) const { 29 return rect.point.x == other.rect.point.x && 30 rect.point.y == other.rect.point.y && 31 rect.size.width == other.rect.size.width && 32 rect.size.height == other.rect.size.height && 33 is_fullscreen == other.is_fullscreen && 34 is_page_visible == other.is_page_visible && 35 clip_rect.point.x == other.clip_rect.point.x && 36 clip_rect.point.y == other.clip_rect.point.y && 37 clip_rect.size.width == other.clip_rect.size.width && 38 clip_rect.size.height == other.clip_rect.size.height && 39 device_scale == other.device_scale && 40 css_scale == other.css_scale; 41 } 42 43 PPB_View_Shared::PPB_View_Shared(ResourceObjectType type, 44 PP_Instance instance, 45 const ViewData& data) 46 : Resource(type, instance), 47 data_(data) { 48 } 49 50 PPB_View_Shared::~PPB_View_Shared() { 51 } 52 53 thunk::PPB_View_API* PPB_View_Shared::AsPPB_View_API() { 54 return this; 55 } 56 57 const ViewData& PPB_View_Shared::GetData() const { 58 return data_; 59 } 60 61 PP_Bool PPB_View_Shared::GetRect(PP_Rect* viewport) const { 62 if (!viewport) 63 return PP_FALSE; 64 *viewport = data_.rect; 65 return PP_TRUE; 66 } 67 68 PP_Bool PPB_View_Shared::IsFullscreen() const { 69 return PP_FromBool(data_.is_fullscreen); 70 } 71 72 PP_Bool PPB_View_Shared::IsVisible() const { 73 return PP_FromBool(data_.is_page_visible && IsRectNonempty(data_.clip_rect)); 74 } 75 76 PP_Bool PPB_View_Shared::IsPageVisible() const { 77 return PP_FromBool(data_.is_page_visible); 78 } 79 80 PP_Bool PPB_View_Shared::GetClipRect(PP_Rect* clip) const { 81 if (!clip) 82 return PP_FALSE; 83 *clip = data_.clip_rect; 84 return PP_TRUE; 85 } 86 87 float PPB_View_Shared::GetDeviceScale() const { 88 return data_.device_scale; 89 } 90 91 float PPB_View_Shared::GetCSSScale() const { 92 return data_.css_scale; 93 } 94 95 } // namespace ppapi 96