Stash: hacks to get MacViews chrome browser window working

chrome/browser/ui/views/frame/browser_frame_view_mac.mm

+// Copyright 2014 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/frame/browser_frame_view_mac.h"
+
+#include "chrome/browser/themes/theme_properties.h"
+#include "chrome/browser/ui/views/frame/browser_frame.h"
+#include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/ui/views/tabs/tab_strip.h"
+#include "grit/theme_resources.h"
+#include "ui/base/theme_provider.h"
+#include "ui/gfx/canvas.h"
+#include "ui/views/widget/widget_delegate.h"
+
+namespace {
+
+// The content left/right images have a shadow built into them.
+const int kContentEdgeShadowThickness = 2;
+
+}  // namespace
+
+///////////////////////////////////////////////////////////////////////////////
+// BrowserFrameViewMac, public:
+
+BrowserFrameViewMac::BrowserFrameViewMac(BrowserFrame* frame,
+                                         BrowserView* browser_view)
+    : BrowserNonClientFrameView(frame, browser_view) {
+}
+
+BrowserFrameViewMac::~BrowserFrameViewMac() {
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// BrowserFrameViewMac, BrowserNonClientFrameView implementation:
+
+gfx::Rect BrowserFrameViewMac::GetBoundsForTabStrip(
+    views::View* tabstrip) const {
+  return gfx::Rect(0, 0, width(), tabstrip->GetPreferredSize().height());
+}
+
+int BrowserFrameViewMac::GetTopInset() const {
+  return 0;
+}
+
+int BrowserFrameViewMac::GetThemeBackgroundXInset() const {
+  return 0;
+}
+
+void BrowserFrameViewMac::UpdateThrobber(bool running) {
+}
+
+gfx::Size BrowserFrameViewMac::GetMinimumSize() const {
+  return frame()->client_view()->GetMinimumSize();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// BrowserFrameViewMac, NonClientFrameView overrides:
+
+gfx::Rect BrowserFrameViewMac::GetBoundsForClientView() const {
+  // return bounds();
+  // TODO(andresantoso): Tab strip and toolbar won't draw without this -1?
+  return gfx::Rect(0, 0, width()-1, height());
+}
+
+gfx::Rect BrowserFrameViewMac::GetWindowBoundsForClientBounds(
+    const gfx::Rect& client_bounds) const {
+  return client_bounds;
+}
+
+int BrowserFrameViewMac::NonClientHitTest(const gfx::Point& point) {
+  return frame()->client_view()->NonClientHitTest(point);
+}
+
+void BrowserFrameViewMac::GetWindowMask(const gfx::Size& size,
+                                        gfx::Path* window_mask) {
+  // Nothing to do.
+}
+
+void BrowserFrameViewMac::ResetWindowControls() {
+  // Nothing to do.
+}
+
+void BrowserFrameViewMac::UpdateWindowIcon() {
+  // Nothing to do.
+}
+
+void BrowserFrameViewMac::UpdateWindowTitle() {
+  // Nothing to do.
+}
+
+void BrowserFrameViewMac::SizeConstraintsChanged() {
+  // Nothing to do.
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// BrowserFrameViewMac, views::View overrides:
+
+void BrowserFrameViewMac::PaintToolbarBackground(gfx::Canvas* canvas) {
+  gfx::Rect toolbar_bounds(browser_view()->GetToolbarBounds());
+  if (toolbar_bounds.IsEmpty())
+    return;
+  gfx::Point toolbar_origin(toolbar_bounds.origin());
+  ConvertPointToTarget(browser_view(), this, &toolbar_origin);
+  toolbar_bounds.set_origin(toolbar_origin);
+
+  int x = toolbar_bounds.x();
+  int w = toolbar_bounds.width();
+  int y = toolbar_bounds.y();
+  int h = toolbar_bounds.height();
+
+  // Gross hack: We split the toolbar images into two pieces, since sometimes
+  // (popup mode) the toolbar isn't tall enough to show the whole image.  The
+  // split happens between the top shadow section and the bottom gradient
+  // section so that we never break the gradient.
+  int split_point = kFrameShadowThickness * 2;
+  int bottom_y = y + split_point;
+  ui::ThemeProvider* tp = GetThemeProvider();
+  gfx::ImageSkia* toolbar_left = tp->GetImageSkiaNamed(
+      IDR_CONTENT_TOP_LEFT_CORNER);
+  int bottom_edge_height = std::min(toolbar_left->height(), h) - split_point;
+
+  // Split our canvas out so we can mask out the corners of the toolbar
+  // without masking out the frame.
+  canvas->SaveLayerAlpha(
+      255, gfx::Rect(x - kClientEdgeThickness, y, w + kClientEdgeThickness * 3,
+                     h));
+
+  // Paint the bottom rect.
+  canvas->FillRect(gfx::Rect(x, bottom_y, w, bottom_edge_height),
+                   tp->GetColor(ThemeProperties::COLOR_TOOLBAR));
+
+  // Tile the toolbar image starting at the frame edge on the left and where the
+  // horizontal tabstrip is (or would be) on the top.
+  gfx::ImageSkia* theme_toolbar = tp->GetImageSkiaNamed(IDR_THEME_TOOLBAR);
+  canvas->TileImageInt(*theme_toolbar,
+                       x + GetThemeBackgroundXInset(),
+                       bottom_y - GetTopInset(),
+                       x, bottom_y, w, theme_toolbar->height());
+
+  // Draw rounded corners for the tab.
+  gfx::ImageSkia* toolbar_left_mask =
+      tp->GetImageSkiaNamed(IDR_CONTENT_TOP_LEFT_CORNER_MASK);
+  gfx::ImageSkia* toolbar_right_mask =
+      tp->GetImageSkiaNamed(IDR_CONTENT_TOP_RIGHT_CORNER_MASK);
+
+  // We mask out the corners by using the DestinationIn transfer mode,
+  // which keeps the RGB pixels from the destination and the alpha from
+  // the source.
+  SkPaint paint;
+  paint.setXfermodeMode(SkXfermode::kDstIn_Mode);
+
+  // Mask the left edge.
+  int left_x = x - kContentEdgeShadowThickness;
+  canvas->DrawImageInt(*toolbar_left_mask, 0, 0, toolbar_left_mask->width(),
+                       split_point, left_x, y, toolbar_left_mask->width(),
+                       split_point, false, paint);
+  canvas->DrawImageInt(*toolbar_left_mask, 0,
+      toolbar_left_mask->height() - bottom_edge_height,
+      toolbar_left_mask->width(), bottom_edge_height, left_x, bottom_y,
+      toolbar_left_mask->width(), bottom_edge_height, false, paint);
+
+  // Mask the right edge.
+  int right_x =
+      x + w - toolbar_right_mask->width() + kContentEdgeShadowThickness;
+  canvas->DrawImageInt(*toolbar_right_mask, 0, 0, toolbar_right_mask->width(),
+                       split_point, right_x, y, toolbar_right_mask->width(),
+                       split_point, false, paint);
+  canvas->DrawImageInt(*toolbar_right_mask, 0,
+      toolbar_right_mask->height() - bottom_edge_height,
+      toolbar_right_mask->width(), bottom_edge_height, right_x, bottom_y,
+      toolbar_right_mask->width(), bottom_edge_height, false, paint);
+  canvas->Restore();
+
+  canvas->DrawImageInt(*toolbar_left, 0, 0, toolbar_left->width(), split_point,
+                       left_x, y, toolbar_left->width(), split_point, false);
+  canvas->DrawImageInt(*toolbar_left, 0,
+      toolbar_left->height() - bottom_edge_height, toolbar_left->width(),
+      bottom_edge_height, left_x, bottom_y, toolbar_left->width(),
+      bottom_edge_height, false);
+
+  gfx::ImageSkia* toolbar_center =
+      tp->GetImageSkiaNamed(IDR_CONTENT_TOP_CENTER);
+  canvas->TileImageInt(*toolbar_center, 0, 0, left_x + toolbar_left->width(),
+      y, right_x - (left_x + toolbar_left->width()),
+      split_point);
+
+  gfx::ImageSkia* toolbar_right = tp->GetImageSkiaNamed(
+      IDR_CONTENT_TOP_RIGHT_CORNER);
+  canvas->DrawImageInt(*toolbar_right, 0, 0, toolbar_right->width(),
+      split_point, right_x, y, toolbar_right->width(), split_point, false);
+  canvas->DrawImageInt(*toolbar_right, 0,
+      toolbar_right->height() - bottom_edge_height, toolbar_right->width(),
+      bottom_edge_height, right_x, bottom_y, toolbar_right->width(),
+      bottom_edge_height, false);
+
+  // Draw the content/toolbar separator.
+  canvas->FillRect(
+      gfx::Rect(x + kClientEdgeThickness,
+                toolbar_bounds.bottom() - kClientEdgeThickness,
+                w - (2 * kClientEdgeThickness),
+                kClientEdgeThickness),
+      ThemeProperties::GetDefaultColor(
+          ThemeProperties::COLOR_TOOLBAR_SEPARATOR));
+}
+
+void BrowserFrameViewMac::OnPaint(gfx::Canvas* canvas) {
+  // canvas->DrawColor(GetThemeProvider()->GetColor(ThemeProperties::COLOR_FRAME));
+  gfx::ImageSkia* image = GetThemeProvider()->GetImageSkiaNamed(IDR_THEME_FRAME);
+  canvas->TileImageInt(*image, 0, 0, width(), image->height());
+
+  PaintToolbarBackground(canvas);
+}