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 IsRectNonempty(const PP_Rect & rect)9bool IsRectNonempty(const PP_Rect& rect) { 10 return rect.size.width > 0 && rect.size.height > 0; 11 } 12 13 } // namespace 14 15 namespace ppapi { 16 ViewData()17ViewData::ViewData() { 18 // Assume POD. 19 memset(this, 0, sizeof(ViewData)); 20 21 device_scale = 1.0f; 22 css_scale = 1.0f; 23 } 24 ~ViewData()25ViewData::~ViewData() {} 26 Equals(const ViewData & other) const27bool ViewData::Equals(const ViewData& other) const { 28 return rect.point.x == other.rect.point.x && 29 rect.point.y == other.rect.point.y && 30 rect.size.width == other.rect.size.width && 31 rect.size.height == other.rect.size.height && 32 is_fullscreen == other.is_fullscreen && 33 is_page_visible == other.is_page_visible && 34 clip_rect.point.x == other.clip_rect.point.x && 35 clip_rect.point.y == other.clip_rect.point.y && 36 clip_rect.size.width == other.clip_rect.size.width && 37 clip_rect.size.height == other.clip_rect.size.height && 38 device_scale == other.device_scale && css_scale == other.css_scale && 39 scroll_offset.x == other.scroll_offset.x && 40 scroll_offset.y == other.scroll_offset.y; 41 } 42 PPB_View_Shared(ResourceObjectType type,PP_Instance instance,const ViewData & data)43PPB_View_Shared::PPB_View_Shared(ResourceObjectType type, 44 PP_Instance instance, 45 const ViewData& data) 46 : Resource(type, instance), data_(data) {} 47 ~PPB_View_Shared()48PPB_View_Shared::~PPB_View_Shared() {} 49 AsPPB_View_API()50thunk::PPB_View_API* PPB_View_Shared::AsPPB_View_API() { return this; } 51 GetData() const52const ViewData& PPB_View_Shared::GetData() const { return data_; } 53 GetRect(PP_Rect * viewport) const54PP_Bool PPB_View_Shared::GetRect(PP_Rect* viewport) const { 55 if (!viewport) 56 return PP_FALSE; 57 *viewport = data_.rect; 58 return PP_TRUE; 59 } 60 IsFullscreen() const61PP_Bool PPB_View_Shared::IsFullscreen() const { 62 return PP_FromBool(data_.is_fullscreen); 63 } 64 IsVisible() const65PP_Bool PPB_View_Shared::IsVisible() const { 66 return PP_FromBool(data_.is_page_visible && IsRectNonempty(data_.clip_rect)); 67 } 68 IsPageVisible() const69PP_Bool PPB_View_Shared::IsPageVisible() const { 70 return PP_FromBool(data_.is_page_visible); 71 } 72 GetClipRect(PP_Rect * clip) const73PP_Bool PPB_View_Shared::GetClipRect(PP_Rect* clip) const { 74 if (!clip) 75 return PP_FALSE; 76 *clip = data_.clip_rect; 77 return PP_TRUE; 78 } 79 GetDeviceScale() const80float PPB_View_Shared::GetDeviceScale() const { return data_.device_scale; } 81 GetCSSScale() const82float PPB_View_Shared::GetCSSScale() const { return data_.css_scale; } 83 GetScrollOffset(PP_Point * scroll_offset) const84PP_Bool PPB_View_Shared::GetScrollOffset(PP_Point* scroll_offset) const { 85 if (!scroll_offset) 86 return PP_FALSE; 87 *scroll_offset = data_.scroll_offset; 88 return PP_TRUE; 89 } 90 91 } // namespace ppapi 92