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       FrameCaptionButtonContainerView::MINIMIZE_ALLOWED);
  44   AddChildView(caption_button_container_);
  45
  46   header_painter_->Init(frame_, this, caption_button_container_);
  47
  48   if (frame_->widget_delegate()->ShouldShowWindowIcon()) {
  49     window_icon_ = new views::ImageView();
  50     AddChildView(window_icon_);
  51     header_painter_->UpdateLeftHeaderView(window_icon_);
  52   }
  53 }
  54
  55 int PanelFrameView::NonClientTopBorderHeight() const {
  56   if (!header_painter_)
  57     return 0;
  58   return header_painter_->GetHeaderHeightForPainting();
  59 }
  60
  61 gfx::Size PanelFrameView::GetMinimumSize() const {
  62   if (!header_painter_)
  63     return gfx::Size();
  64   gfx::Size min_client_view_size(frame_->client_view()->GetMinimumSize());
  65   return gfx::Size(
  66       std::max(header_painter_->GetMinimumHeaderWidth(),
  67                min_client_view_size.width()),
  68       NonClientTopBorderHeight() + min_client_view_size.height());
  69 }
  70
  71 void PanelFrameView::Layout() {
  72   if (!header_painter_)
  73     return;
  74   header_painter_->LayoutHeader();
  75 }
  76
  77 void PanelFrameView::GetWindowMask(const gfx::Size&, gfx::Path*) {
  78   // Nothing.
  79 }
  80
  81 void PanelFrameView::ResetWindowControls() {
  82   NOTIMPLEMENTED();
  83 }
  84
  85 void PanelFrameView::UpdateWindowIcon() {
  86   if (!window_icon_)
  87     return;
  88   views::WidgetDelegate* delegate = frame_->widget_delegate();
  89   if (delegate)
  90     window_icon_->SetImage(delegate->GetWindowIcon());
  91   window_icon_->SchedulePaint();
  92 }
  93
  94 void PanelFrameView::UpdateWindowTitle() {
  95   if (!header_painter_)
  96     return;
  97   header_painter_->SchedulePaintForTitle();
  98 }
  99
 100 int PanelFrameView::NonClientHitTest(const gfx::Point& point) {
 101   if (!header_painter_)
 102     return HTNOWHERE;
 103   return FrameBorderHitTestController::NonClientHitTest(this,
 104       caption_button_container_, point);
 105 }
 106
 107 void PanelFrameView::OnPaint(gfx::Canvas* canvas) {
 108   if (!header_painter_)
 109     return;
 110   bool paint_as_active = ShouldPaintAsActive();
 111   caption_button_container_->SetPaintAsActive(paint_as_active);
 112
 113   HeaderPainter::Mode header_mode = paint_as_active ?
 114       HeaderPainter::MODE_ACTIVE : HeaderPainter::MODE_INACTIVE;
 115   header_painter_->PaintHeader(canvas, header_mode);
 116 }
 117
 118 gfx::Rect PanelFrameView::GetBoundsForClientView() const {
 119   gfx::Rect client_bounds = bounds();
 120   client_bounds.Inset(0, NonClientTopBorderHeight(), 0, 0);
 121   return client_bounds;
 122 }
 123
 124 gfx::Rect PanelFrameView::GetWindowBoundsForClientBounds(
 125     const gfx::Rect& client_bounds) const {
 126   gfx::Rect window_bounds = client_bounds;
 127   window_bounds.Inset(0, -NonClientTopBorderHeight(), 0, 0);
 128   return window_bounds;
 129 }
 130
 131 }  // namespace ash