ash/wm/panels/panel_frame_view.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ash/wm/panels/panel_frame_view.h"
   6
   7 #include "ash/frame/caption_buttons/frame_caption_button_container_view.h"
   8 #include "ash/frame/default_header_painter.h"
   9 #include "ash/frame/frame_border_hit_test_controller.h"
  10 #include "ui/base/hit_test.h"
  11 #include "ui/gfx/canvas.h"
  12 #include "ui/views/controls/image_view.h"
  13 #include "ui/views/widget/widget.h"
  14 #include "ui/views/widget/widget_delegate.h"
  15
  16 namespace ash {
  17
  18 // static
  19 const char PanelFrameView::kViewClassName[] = "PanelFrameView";
  20
  21 PanelFrameView::PanelFrameView(views::Widget* frame, FrameType frame_type)
  22     : frame_(frame),
  23       caption_button_container_(NULL),
  24       window_icon_(NULL),
  25       frame_border_hit_test_controller_(
  26           new FrameBorderHitTestController(frame_)) {
  27   DCHECK(!frame_->widget_delegate()->CanMaximize());
  28   if (frame_type != FRAME_NONE)
  29     InitHeaderPainter();
  30 }
  31
  32 PanelFrameView::~PanelFrameView() {
  33 }
  34
  35 const char* PanelFrameView::GetClassName() const {
  36   return kViewClassName;
  37 }
  38
  39 void PanelFrameView::InitHeaderPainter() {
  40   header_painter_.reset(new DefaultHeaderPainter);
  41
  42   caption_button_container_ = new FrameCaptionButtonContainerView(frame_);
  43   AddChildView(caption_button_container_);
  44
  45   header_painter_->Init(frame_, this, caption_button_container_);
  46
  47   if (frame_->widget_delegate()->ShouldShowWindowIcon()) {
  48     window_icon_ = new views::ImageView();
  49     AddChildView(window_icon_);
  50     header_painter_->UpdateLeftHeaderView(window_icon_);
  51   }
  52 }
  53
  54 int PanelFrameView::NonClientTopBorderHeight() const {
  55   if (!header_painter_)
  56     return 0;
  57   return header_painter_->GetHeaderHeightForPainting();
  58 }
  59
  60 gfx::Size PanelFrameView::GetMinimumSize() const {
  61   if (!header_painter_)
  62     return gfx::Size();
  63   gfx::Size min_client_view_size(frame_->client_view()->GetMinimumSize());
  64   return gfx::Size(
  65       std::max(header_painter_->GetMinimumHeaderWidth(),
  66                min_client_view_size.width()),
  67       NonClientTopBorderHeight() + min_client_view_size.height());
  68 }
  69
  70 void PanelFrameView::Layout() {
  71   if (!header_painter_)
  72     return;
  73   header_painter_->LayoutHeader();
  74 }
  75
  76 void PanelFrameView::GetWindowMask(const gfx::Size&, gfx::Path*) {
  77   // Nothing.
  78 }
  79
  80 void PanelFrameView::ResetWindowControls() {
  81   NOTIMPLEMENTED();
  82 }
  83
  84 void PanelFrameView::UpdateWindowIcon() {
  85   if (!window_icon_)
  86     return;
  87   views::WidgetDelegate* delegate = frame_->widget_delegate();
  88   if (delegate)
  89     window_icon_->SetImage(delegate->GetWindowIcon());
  90   window_icon_->SchedulePaint();
  91 }
  92
  93 void PanelFrameView::UpdateWindowTitle() {
  94   if (!header_painter_)
  95     return;
  96   header_painter_->SchedulePaintForTitle();
  97 }
  98
  99 void PanelFrameView::SizeConstraintsChanged() {
 100 }
 101
 102 int PanelFrameView::NonClientHitTest(const gfx::Point& point) {
 103   if (!header_painter_)
 104     return HTNOWHERE;
 105   return FrameBorderHitTestController::NonClientHitTest(this,
 106       caption_button_container_, point);
 107 }
 108
 109 void PanelFrameView::OnPaint(gfx::Canvas* canvas) {
 110   if (!header_painter_)
 111     return;
 112   bool paint_as_active = ShouldPaintAsActive();
 113   caption_button_container_->SetPaintAsActive(paint_as_active);
 114
 115   HeaderPainter::Mode header_mode = paint_as_active ?
 116       HeaderPainter::MODE_ACTIVE : HeaderPainter::MODE_INACTIVE;
 117   header_painter_->PaintHeader(canvas, header_mode);
 118 }
 119
 120 gfx::Rect PanelFrameView::GetBoundsForClientView() const {
 121   gfx::Rect client_bounds = bounds();
 122   client_bounds.Inset(0, NonClientTopBorderHeight(), 0, 0);
 123   return client_bounds;
 124 }
 125
 126 gfx::Rect PanelFrameView::GetWindowBoundsForClientBounds(
 127     const gfx::Rect& client_bounds) const {
 128   gfx::Rect window_bounds = client_bounds;
 129   window_bounds.Inset(0, -NonClientTopBorderHeight(), 0, 0);
 130   return window_bounds;
 131 }
 132
 133 }  // namespace ash