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// Copyright (c) 2006-2008 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 <dwmapi.h>
#include "chrome/browser/views/frame/aero_glass_frame.h"
#include "chrome/app/theme/theme_resources.h"
#include "chrome/browser/frame_util.h"
#include "chrome/browser/views/frame/browser_view2.h"
#include "chrome/browser/views/frame/aero_glass_non_client_view.h"
#include "chrome/common/resource_bundle.h"
#include "chrome/views/window_delegate.h"
// static
static const int kResizeBorder = 5;
// By how much the toolbar overlaps with the tab strip.
static const int kToolbarOverlapVertOffset = 3;
// The DWM puts a light border around the client area - we need to
// take this border size into account when we reduce its size so that
// we don't draw our content border dropshadow images over the top.
static const int kDwmBorderSize = 1;
///////////////////////////////////////////////////////////////////////////////
// AeroGlassFrame, public:
AeroGlassFrame::AeroGlassFrame(BrowserView2* browser_view)
: Window(browser_view),
browser_view_(browser_view),
frame_initialized_(false) {
non_client_view_ = new AeroGlassNonClientView(this);
browser_view_->set_frame(this);
}
AeroGlassFrame::~AeroGlassFrame() {
}
void AeroGlassFrame::Init(const gfx::Rect& bounds) {
Window::Init(NULL, bounds);
}
bool AeroGlassFrame::IsTabStripVisible() const {
return browser_view_->IsTabStripVisible();
}
bool AeroGlassFrame::IsToolbarVisible() const {
return browser_view_->IsToolbarVisible();
}
gfx::Rect AeroGlassFrame::GetToolbarBounds() const {
return browser_view_->GetToolbarBounds();
}
gfx::Rect AeroGlassFrame::GetContentsBounds() const {
return browser_view_->GetClientAreaBounds();
}
int AeroGlassFrame::GetMinimizeButtonOffset() const {
TITLEBARINFOEX titlebar_info;
titlebar_info.cbSize = sizeof(TITLEBARINFOEX);
SendMessage(GetHWND(), WM_GETTITLEBARINFOEX, 0, (WPARAM)&titlebar_info);
RECT wr;
GetWindowRect(&wr);
return wr.right - titlebar_info.rgrect[2].left;
}
///////////////////////////////////////////////////////////////////////////////
// AeroGlassFrame, BrowserFrame implementation:
gfx::Rect AeroGlassFrame::GetWindowBoundsForClientBounds(
const gfx::Rect& client_bounds) {
return gfx::Rect();
}
void AeroGlassFrame::SizeToContents(const gfx::Rect& contents_bounds) {
// TODO(beng): implement me.
}
gfx::Rect AeroGlassFrame::GetBoundsForTabStrip(TabStrip* tabstrip) const {
return GetAeroGlassNonClientView()->GetBoundsForTabStrip(tabstrip);
}
ChromeViews::Window* AeroGlassFrame::GetWindow() {
return this;
}
///////////////////////////////////////////////////////////////////////////////
// AeroGlassFrame, ChromeViews::Window overrides:
void AeroGlassFrame::UpdateWindowIcon() {
Window::UpdateWindowIcon();
// TODO(beng): do something in the non-client view when this builds on Vista.
}
///////////////////////////////////////////////////////////////////////////////
// AeroGlassFrame, ChromeViews::HWNDViewContainer implementation:
LRESULT AeroGlassFrame::OnMouseActivate(HWND window, UINT hittest_code,
UINT message) {
return browser_view_->ActivateAppModalDialog() ? MA_NOACTIVATEANDEAT
: MA_ACTIVATE;
}
void AeroGlassFrame::OnMove(const CPoint& point) {
browser_view_->WindowMoved();
}
void AeroGlassFrame::OnMoving(UINT param, const RECT* new_bounds) {
browser_view_->WindowMoved();
}
LRESULT AeroGlassFrame::OnNCActivate(BOOL active) {
if (browser_view_->ActivateAppModalDialog())
return TRUE;
if (!frame_initialized_) {
::SetWindowPos(GetHWND(), NULL, 0, 0, 0, 0,
SWP_NOSIZE | SWP_NOMOVE | SWP_FRAMECHANGED);
UpdateDWMFrame();
frame_initialized_ = true;
}
browser_view_->ActivationChanged(!!active);
return TRUE;
}
LRESULT AeroGlassFrame::OnNCCalcSize(BOOL mode, LPARAM l_param) {
// By default the client side is set to the window size which is what
// we want.
if (mode == TRUE) {
// Calculate new NCCALCSIZE_PARAMS based on custom NCA inset.
NCCALCSIZE_PARAMS *pncsp = reinterpret_cast<NCCALCSIZE_PARAMS*>(l_param);
// Hack necessary to stop black background flicker, we cut out
// resizeborder here to save us from having to do too much
// addition and subtraction in Layout(). We don't cut off the
// top + titlebar as that prevents the window controls from
// highlighting.
pncsp->rgrc[0].left = pncsp->rgrc[0].left + kResizeBorder;
pncsp->rgrc[0].right = pncsp->rgrc[0].right - kResizeBorder;
pncsp->rgrc[0].bottom = pncsp->rgrc[0].bottom - kResizeBorder;
// We need to reset the frame, as Vista resets it whenever it changes
// composition modes (and NCCALCSIZE is the closest thing we get to
// a reliable message about the change).
UpdateDWMFrame();
SetMsgHandled(TRUE);
return 0;
}
SetMsgHandled(FALSE);
return 0;
}
LRESULT AeroGlassFrame::OnNCHitTest(const CPoint& pt) {
LRESULT result;
if (DwmDefWindowProc(GetHWND(), WM_NCHITTEST, 0, MAKELPARAM(pt.x, pt.y),
&result)) {
return result;
}
return Window::OnNCHitTest(pt);
}
///////////////////////////////////////////////////////////////////////////////
// AeroGlassFrame, ChromeViews::HWNDViewContainer overrides:
bool AeroGlassFrame::AcceleratorPressed(
ChromeViews::Accelerator* accelerator) {
return browser_view_->AcceleratorPressed(*accelerator);
}
bool AeroGlassFrame::GetAccelerator(int cmd_id,
ChromeViews::Accelerator* accelerator) {
return browser_view_->GetAccelerator(cmd_id, accelerator);
}
void AeroGlassFrame::OnEndSession(BOOL ending, UINT logoff) {
FrameUtil::EndSession();
}
///////////////////////////////////////////////////////////////////////////////
// AeroGlassFrame, private:
void AeroGlassFrame::UpdateDWMFrame() {
// Nothing to do yet.
if (!client_view())
return;
// Note: we don't use DwmEnableBlurBehindWindow because any region not
// included in the glass region is composited source over. This means
// that anything drawn directly with GDI appears fully transparent.
//
// We want this region to extend past our content border images, as they
// may be partially-transparent.
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
SkBitmap left_edge = *rb.GetBitmapNamed(IDR_CONTENT_TOP_LEFT_CORNER);
SkBitmap bottom_edge = *rb.GetBitmapNamed(IDR_CONTENT_BOTTOM_CENTER);
SkBitmap right_edge = *rb.GetBitmapNamed(IDR_CONTENT_TOP_RIGHT_CORNER);
// TODO(beng): when TabStrip is hooked up, obtain this offset from its
// bounds.
int toolbar_y = 36;
MARGINS margins = { kDwmBorderSize + left_edge.width(),
kDwmBorderSize + right_edge.width(),
kDwmBorderSize + client_view()->GetY() +
kToolbarOverlapVertOffset + toolbar_y,
kDwmBorderSize + bottom_edge.height() };
DwmExtendFrameIntoClientArea(GetHWND(), &margins);
}
AeroGlassNonClientView* AeroGlassFrame::GetAeroGlassNonClientView() const {
// We can safely assume that this conversion is true.
return static_cast<AeroGlassNonClientView*>(non_client_view_);
}
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