Adding support for ChromeOS snapshot window titles and favicons.

TEST=build and ran with chromeos-wm
BUG=chromium-os:2866, chromium-os:2867

Review URL: http://codereview.chromium.org/2857005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@51305 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 115 insertions, 0 deletions

diff --git a/chrome/browser/chromeos/wm_overview_title.cc b/chrome/browser/chromeos/wm_overview_title.cc
new file mode 100644
index 0000000..1c4a249
--- /dev/null
+++ b/chrome/browser/chromeos/wm_overview_title.cc
@@ -0,0 +1,115 @@
+// Copyright (c) 2010 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/chromeos/wm_overview_title.h"
+
+#include <vector>
+
+#include "app/x11_util.h"
+#include "base/string16.h"
+#include "chrome/browser/browser.h"
+#include "chrome/browser/browser_window.h"
+#include "chrome/browser/chromeos/drop_shadow_label.h"
+#include "chrome/browser/chromeos/wm_ipc.h"
+#include "chrome/browser/chromeos/wm_overview_snapshot.h"
+#include "third_party/cros/chromeos_wm_ipc_enums.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "views/border.h"
+#include "views/grid_layout.h"
+#include "views/view.h"
+
+using std::vector;
+using views::ColumnSet;
+using views::GridLayout;
+using views::View;
+using gfx::Font;
+
+#if !defined(OS_CHROMEOS)
+#error This file is only meant to be compiled for ChromeOS
+#endif
+
+namespace chromeos {
+
+// The padding between the title and the URL, in pixels.
+static const int kVerticalPadding = 2;
+
+// This is the size (in pixels) of the drop shadow on the title and url text.
+static const int kDropShadowSize = 2;
+
+namespace {
+// Finds a font based on the base font that is no taller than the
+// given value (well, unless the font at size 1 is taller than the
+// given value).
+Font FindFontThisHigh(int pixels, Font base) {
+  Font font = Font::CreateFont(base.FontName(), 1);
+  Font last_font = font;
+  while (font.height() < pixels) {
+    last_font = font;
+    font = font.DeriveFont(1, Font::BOLD);
+  }
+  return last_font;
+}
+}  // Anonymous namespace
+
+WmOverviewTitle::WmOverviewTitle()
+  : WidgetGtk(TYPE_WINDOW),
+    title_label_(NULL),
+    url_label_(NULL) {
+}
+
+void WmOverviewTitle::Init(const gfx::Size& size,
+                           WmOverviewSnapshot* snapshot) {
+  MakeTransparent();
+
+  title_label_ = new DropShadowLabel();
+  title_label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
+  title_label_->SetColor(SkColorSetARGB(0xFF, 0xFF, 0xFF, 0xFF));
+  title_label_->SetDropShadowSize(kDropShadowSize);
+  title_label_->SetFont(FindFontThisHigh(16, title_label_->font()));
+
+  url_label_ = new DropShadowLabel();
+  url_label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
+  url_label_->SetColor(SkColorSetARGB(0x80, 0xFF, 0xFF, 0xFF));
+  url_label_->SetDropShadowSize(kDropShadowSize);
+  url_label_->SetFont(FindFontThisHigh(14, title_label_->font()));
+
+  // Create a new view to be the host for the grid.
+  View* view = new View();
+  GridLayout* layout = new GridLayout(view);
+  view->SetLayoutManager(layout);
+
+  int title_cs_id = 0;
+  ColumnSet* columns = layout->AddColumnSet(title_cs_id);
+  columns->AddColumn(GridLayout::FILL, GridLayout::CENTER, 0,
+                     GridLayout::FIXED, size.width(), 0);
+
+  layout->StartRow(0, title_cs_id);
+  layout->AddView(title_label_);
+  layout->StartRowWithPadding(1, title_cs_id, 0, kVerticalPadding);
+  layout->AddView(url_label_);
+
+  // Realize the widget.
+  WidgetGtk::Init(NULL, gfx::Rect(size));
+
+  // Make the view the contents view for this widget.
+  SetContentsView(view);
+
+  // Set the window type
+  vector<int> params;
+  params.push_back(x11_util::GetX11WindowFromGtkWidget(
+      GTK_WIDGET(snapshot->GetNativeView())));
+  WmIpc::instance()->SetWindowType(
+      GetNativeView(),
+      WM_IPC_WINDOW_CHROME_TAB_TITLE,
+      &params);
+}
+
+void WmOverviewTitle::SetTitle(const string16& title) {
+  title_label_->SetText(UTF16ToWide(title));
+}
+
+void WmOverviewTitle::SetUrl(const GURL& url) {
+  url_label_->SetURL(url);
+}
+}  // namespace chromeos