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// Copyright (c) 2011 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 "views/widget/widget.h"
#include "base/logging.h"
#include "views/widget/default_theme_provider.h"
#include "views/widget/root_view.h"
#include "views/widget/native_widget.h"
namespace views {
////////////////////////////////////////////////////////////////////////////////
// Widget, public:
Widget::Widget()
: native_widget_(NULL),
widget_delegate_(NULL),
dragged_view_(NULL) {
}
Widget::~Widget() {
}
void Widget::Init(gfx::NativeView parent, const gfx::Rect& bounds) {
// TODO(beng): This is called before the native widget is created.
GetRootView();
default_theme_provider_.reset(new DefaultThemeProvider);
}
void Widget::InitWithWidget(Widget* parent, const gfx::Rect& bounds) {
}
Widget* Widget::GetTopLevelWidget() {
return const_cast<Widget*>(
const_cast<const Widget*>(this)->GetTopLevelWidget());
}
const Widget* Widget::GetTopLevelWidget() const {
NativeWidget* native_widget =
NativeWidget::GetTopLevelNativeWidget(GetNativeView());
return native_widget ? native_widget->GetWidget() : NULL;
}
void Widget::SetContentsView(View* view) {
root_view_->SetContentsView(view);
}
gfx::Rect Widget::GetWindowScreenBounds() const {
return native_widget_->GetWindowScreenBounds();
}
gfx::Rect Widget::GetClientAreaScreenBounds() const {
return native_widget_->GetClientAreaScreenBounds();
}
void Widget::SetBounds(const gfx::Rect& bounds) {
}
void Widget::MoveAbove(Widget* widget) {
}
void Widget::SetShape(gfx::NativeRegion shape) {
}
void Widget::Close() {
}
void Widget::CloseNow() {
}
void Widget::Show() {
}
void Widget::Hide() {
}
gfx::NativeView Widget::GetNativeView() const {
return NULL;
}
void Widget::SetOpacity(unsigned char opacity) {
}
void Widget::SetAlwaysOnTop(bool on_top) {
}
RootView* Widget::GetRootView() {
if (!root_view_.get()) {
// First time the root view is being asked for, create it now.
root_view_.reset(CreateRootView());
}
return root_view_.get();
}
bool Widget::IsVisible() const {
return false;
}
bool Widget::IsActive() const {
return false;
}
bool Widget::IsAccessibleWidget() const {
return false;
}
void Widget::GenerateMousePressedForView(View* view, const gfx::Point& point) {
}
bool Widget::GetAccelerator(int cmd_id, ui::Accelerator* accelerator) {
return false;
}
Window* Widget::GetWindow() {
return NULL;
}
const Window* Widget::GetWindow() const {
return NULL;
}
ThemeProvider* Widget::GetThemeProvider() const {
const Widget* root_widget = GetTopLevelWidget();
if (root_widget && root_widget != this) {
// Attempt to get the theme provider, and fall back to the default theme
// provider if not found.
ThemeProvider* provider = root_widget->GetThemeProvider();
if (provider)
return provider;
provider = root_widget->default_theme_provider_.get();
if (provider)
return provider;
}
return default_theme_provider_.get();
}
FocusManager* Widget::GetFocusManager() {
return NULL;
}
void Widget::ViewHierarchyChanged(bool is_add, View* parent, View* child) {
if (!is_add && child == dragged_view_)
dragged_view_ = NULL;
}
bool Widget::ContainsNativeView(gfx::NativeView native_view) {
if (native_widget_->ContainsNativeView(native_view))
return true;
// A views::NativeViewHost may contain the given native view, without it being
// an ancestor of hwnd(), so traverse the views::View hierarchy looking for
// such views.
return GetRootView()->ContainsNativeView(native_view);
}
void Widget::RunShellDrag(View* view, const ui::OSExchangeData& data,
int operation) {
dragged_view_ = view;
native_widget_->RunShellDrag(view, data, operation);
// If the view is removed during the drag operation, dragged_view_ is set to
// NULL.
if (view && dragged_view_ == view) {
dragged_view_ = NULL;
view->OnDragDone();
}
}
void Widget::SchedulePaintInRect(const gfx::Rect& rect) {
native_widget_->SchedulePaintInRect(rect);
}
void Widget::SetCursor(gfx::NativeCursor cursor) {
native_widget_->SetCursor(cursor);
}
FocusTraversable* Widget::GetFocusTraversable() {
return root_view_.get();
}
void Widget::ThemeChanged() {
root_view_->ThemeChanged();
}
void Widget::LocaleChanged() {
root_view_->LocaleChanged();
}
void Widget::SetFocusTraversableParent(FocusTraversable* parent) {
root_view_->SetFocusTraversableParent(parent);
}
void Widget::SetFocusTraversableParentView(View* parent_view) {
root_view_->SetFocusTraversableParentView(parent_view);
}
////////////////////////////////////////////////////////////////////////////////
// Widget, FocusTraversable implementation:
FocusSearch* Widget::GetFocusSearch() {
return root_view_->GetFocusSearch();
}
FocusTraversable* Widget::GetFocusTraversableParent() {
// We are a proxy to the root view, so we should be bypassed when traversing
// up and as a result this should not be called.
NOTREACHED();
return NULL;
}
View* Widget::GetFocusTraversableParentView() {
// We are a proxy to the root view, so we should be bypassed when traversing
// up and as a result this should not be called.
NOTREACHED();
return NULL;
}
////////////////////////////////////////////////////////////////////////////////
// Widget, protected:
RootView* Widget::CreateRootView() {
return new RootView(this);
}
void Widget::DestroyRootView() {
root_view_.reset();
}
} // namespace views
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