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 7namespace { 8 9bool IsRectNonempty(const PP_Rect& rect) { 10 return rect.size.width > 0 && rect.size.height > 0; 11} 12 13} // namespace 14 15namespace ppapi { 16 17ViewData::ViewData() { 18 // Assume POD. 19 memset(this, 0, sizeof(ViewData)); 20 21 device_scale = 1.0f; 22 css_scale = 1.0f; 23} 24 25ViewData::~ViewData() {} 26 27bool 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 43PPB_View_Shared::PPB_View_Shared(ResourceObjectType type, 44 PP_Instance instance, 45 const ViewData& data) 46 : Resource(type, instance), data_(data) {} 47 48PPB_View_Shared::~PPB_View_Shared() {} 49 50thunk::PPB_View_API* PPB_View_Shared::AsPPB_View_API() { return this; } 51 52const ViewData& PPB_View_Shared::GetData() const { return data_; } 53 54PP_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 61PP_Bool PPB_View_Shared::IsFullscreen() const { 62 return PP_FromBool(data_.is_fullscreen); 63} 64 65PP_Bool PPB_View_Shared::IsVisible() const { 66 return PP_FromBool(data_.is_page_visible && IsRectNonempty(data_.clip_rect)); 67} 68 69PP_Bool PPB_View_Shared::IsPageVisible() const { 70 return PP_FromBool(data_.is_page_visible); 71} 72 73PP_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 80float PPB_View_Shared::GetDeviceScale() const { return data_.device_scale; } 81 82float PPB_View_Shared::GetCSSScale() const { return data_.css_scale; } 83 84PP_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