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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 "chrome/browser/ui/views/browser_bubble.h"
#include "chrome/browser/ui/views/bubble/border_contents.h"
#include "chrome/browser/ui/views/bubble/border_widget_win.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "views/widget/root_view.h"
#include "views/widget/native_widget_win.h"
#include "views/widget/widget.h"
class BubbleWidget : public views::NativeWidgetWin {
public:
explicit BubbleWidget(BrowserBubble* bubble)
: views::NativeWidgetWin(new views::Widget),
bubble_(bubble),
border_widget_(new BorderWidgetWin) {
set_window_style(WS_POPUP | WS_CLIPCHILDREN);
set_window_ex_style(WS_EX_TOOLWINDOW);
}
void ShowAndActivate(bool activate) {
// Show the border first, then the popup overlaid on top.
border_widget_->Show();
if (activate)
ShowWindow(SW_SHOW);
else
views::NativeWidgetWin::Show();
}
void Close() {
if (!bubble_)
return; // We have already been closed.
if (IsActive()) {
BrowserBubble::Delegate* delegate = bubble_->delegate();
if (delegate)
delegate->BubbleLostFocus(bubble_, NULL);
}
border_widget_->Close();
views::NativeWidgetWin::Close();
bubble_ = NULL;
}
void Hide() {
if (IsActive() && bubble_) {
BrowserBubble::Delegate* delegate = bubble_->delegate();
if (delegate)
delegate->BubbleLostFocus(bubble_, NULL);
}
views::NativeWidgetWin::Hide();
border_widget_->Hide();
}
void OnActivate(UINT action, BOOL minimized, HWND window) {
NativeWidgetWin::OnActivate(action, minimized, window);
if (!bubble_)
return;
BrowserBubble::Delegate* delegate = bubble_->delegate();
if (!delegate) {
if (action == WA_INACTIVE) {
bubble_->DetachFromBrowser();
delete bubble_;
}
return;
}
if (action == WA_INACTIVE) {
bool lost_focus_to_child = false;
// Are we a parent of this window?
gfx::NativeView parent = window;
while (parent = ::GetParent(parent)) {
if (window == GetNativeView()) {
lost_focus_to_child = true;
break;
}
}
// Do we own this window?
if (!lost_focus_to_child &&
::GetWindow(window, GW_OWNER) == GetNativeView()) {
lost_focus_to_child = true;
}
delegate->BubbleLostFocus(bubble_, lost_focus_to_child);
}
}
virtual void OnSetFocus(HWND focused_window) {
NativeWidgetWin::OnSetFocus(focused_window);
if (bubble_ && bubble_->delegate())
bubble_->delegate()->BubbleGotFocus(bubble_);
}
BorderWidgetWin* border_widget() {
return border_widget_;
}
private:
BrowserBubble* bubble_;
BorderWidgetWin* border_widget_;
DISALLOW_COPY_AND_ASSIGN(BubbleWidget);
};
void BrowserBubble::InitPopup(const gfx::Insets& content_margins) {
// popup_ is a Widget, but we need to do some NativeWidgetWin stuff first,
// then we'll assign it into popup_.
BubbleWidget* bubble_widget = new BubbleWidget(this);
BorderWidgetWin* border_widget = bubble_widget->border_widget();
border_widget->InitBorderWidgetWin(new BorderContents,
frame_->GetNativeView());
border_widget->border_contents()->set_content_margins(content_margins);
popup_ = bubble_widget->GetWidget();
// We make the BorderWidgetWin the owner of the Bubble HWND, so that the
// latter is displayed on top of the former.
views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
params.native_widget = bubble_widget;
params.parent = border_widget->GetNativeView();
popup_->Init(params);
popup_->SetContentsView(view_);
ResizeToView();
Reposition();
AttachToBrowser();
}
void BrowserBubble::Show(bool activate) {
if (!popup_->IsVisible()) {
static_cast<BubbleWidget*>(popup_->native_widget())->ShowAndActivate(
activate);
}
}
void BrowserBubble::Hide() {
if (popup_->IsVisible())
static_cast<BubbleWidget*>(popup_->native_widget())->Hide();
}
void BrowserBubble::ResizeToView() {
BorderWidgetWin* border_widget =
static_cast<BubbleWidget*>(popup_->native_widget())->border_widget();
gfx::Rect window_bounds;
window_bounds = border_widget->SizeAndGetBounds(GetAbsoluteRelativeTo(),
arrow_location_, view_->size());
SetAbsoluteBounds(window_bounds);
}
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