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// 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"
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
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