| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ppapi/shared_impl/ppb_view_shared.h" |
| |
| #include <string.h> |
| |
| namespace { |
| |
| bool IsRectNonempty(const PP_Rect& rect) { |
| return rect.size.width > 0 && rect.size.height > 0; |
| } |
| |
| } // namespace |
| |
| namespace ppapi { |
| |
| ViewData::ViewData() { |
| // Assume POD. |
| memset(this, 0, sizeof(ViewData)); |
| |
| device_scale = 1.0f; |
| css_scale = 1.0f; |
| } |
| |
| ViewData::~ViewData() {} |
| |
| bool ViewData::Equals(const ViewData& other) const { |
| return rect.point.x == other.rect.point.x && |
| rect.point.y == other.rect.point.y && |
| rect.size.width == other.rect.size.width && |
| rect.size.height == other.rect.size.height && |
| is_fullscreen == other.is_fullscreen && |
| is_page_visible == other.is_page_visible && |
| clip_rect.point.x == other.clip_rect.point.x && |
| clip_rect.point.y == other.clip_rect.point.y && |
| clip_rect.size.width == other.clip_rect.size.width && |
| clip_rect.size.height == other.clip_rect.size.height && |
| device_scale == other.device_scale && css_scale == other.css_scale && |
| scroll_offset.x == other.scroll_offset.x && |
| scroll_offset.y == other.scroll_offset.y; |
| } |
| |
| PPB_View_Shared::PPB_View_Shared(ResourceObjectType type, |
| PP_Instance instance, |
| const ViewData& data) |
| : Resource(type, instance), data_(data) {} |
| |
| PPB_View_Shared::~PPB_View_Shared() {} |
| |
| thunk::PPB_View_API* PPB_View_Shared::AsPPB_View_API() { return this; } |
| |
| const ViewData& PPB_View_Shared::GetData() const { return data_; } |
| |
| PP_Bool PPB_View_Shared::GetRect(PP_Rect* viewport) const { |
| if (!viewport) |
| return PP_FALSE; |
| *viewport = data_.rect; |
| return PP_TRUE; |
| } |
| |
| PP_Bool PPB_View_Shared::IsFullscreen() const { |
| return PP_FromBool(data_.is_fullscreen); |
| } |
| |
| PP_Bool PPB_View_Shared::IsVisible() const { |
| return PP_FromBool(data_.is_page_visible && IsRectNonempty(data_.clip_rect)); |
| } |
| |
| PP_Bool PPB_View_Shared::IsPageVisible() const { |
| return PP_FromBool(data_.is_page_visible); |
| } |
| |
| PP_Bool PPB_View_Shared::GetClipRect(PP_Rect* clip) const { |
| if (!clip) |
| return PP_FALSE; |
| *clip = data_.clip_rect; |
| return PP_TRUE; |
| } |
| |
| float PPB_View_Shared::GetDeviceScale() const { return data_.device_scale; } |
| |
| float PPB_View_Shared::GetCSSScale() const { return data_.css_scale; } |
| |
| PP_Bool PPB_View_Shared::GetScrollOffset(PP_Point* scroll_offset) const { |
| if (!scroll_offset) |
| return PP_FALSE; |
| *scroll_offset = data_.scroll_offset; |
| return PP_TRUE; |
| } |
| |
| } // namespace ppapi |