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, 79 insertions, 0 deletions

diff --git a/chrome/browser/chromeos/drop_shadow_label.cc b/chrome/browser/chromeos/drop_shadow_label.cc
new file mode 100644
index 0000000..5c5fa30
--- /dev/null
+++ b/chrome/browser/chromeos/drop_shadow_label.cc
@@ -0,0 +1,79 @@
+// 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/drop_shadow_label.h"
+
+#include "gfx/canvas.h"
+#include "gfx/color_utils.h"
+
+using views::Label;
+
+namespace chromeos {
+
+static const int kDefaultDropShadowSize = 2;
+
+// Default color is black.
+static const SkColor kDefaultColor = 0x000000;
+
+static const float kShadowOpacity = 0.2;
+
+DropShadowLabel::DropShadowLabel() : Label() {
+  Init();
+}
+
+void DropShadowLabel::Init() {
+  drop_shadow_size_ = kDefaultDropShadowSize;
+}
+
+void DropShadowLabel::SetDropShadowSize(int drop_shadow_size) {
+  if (drop_shadow_size != drop_shadow_size_) {
+    drop_shadow_size_ = drop_shadow_size;
+    invalidate_text_size();
+    SchedulePaint();
+  }
+}
+
+void DropShadowLabel::PaintText(gfx::Canvas* canvas,
+                                const std::wstring& text,
+                                const gfx::Rect& text_bounds,
+                                int flags) {
+  if (drop_shadow_size_ > 0) {
+    SkColor color = SkColorSetARGB(kShadowOpacity * SkColorGetA(GetColor()),
+                                   SkColorGetR(kDefaultColor),
+                                   SkColorGetG(kDefaultColor),
+                                   SkColorGetB(kDefaultColor));
+    for (int i = 0; i < drop_shadow_size_; i++) {
+      canvas->DrawStringInt(text, font(), color,
+                            text_bounds.x() + i, text_bounds.y(),
+                            text_bounds.width(), text_bounds.height(), flags);
+      canvas->DrawStringInt(text, font(), color,
+                            text_bounds.x() + i, text_bounds.y() + i,
+                            text_bounds.width(), text_bounds.height(), flags);
+      canvas->DrawStringInt(text, font(), color,
+                            text_bounds.x(), text_bounds.y() + i,
+                            text_bounds.width(), text_bounds.height(), flags);
+    }
+  }
+
+  canvas->DrawStringInt(text, font(), GetColor(),
+                        text_bounds.x(), text_bounds.y(),
+                        text_bounds.width(), text_bounds.height(), flags);
+
+  if (HasFocus() || paint_as_focused()) {
+    gfx::Rect focus_bounds = text_bounds;
+    focus_bounds.Inset(-Label::kFocusBorderPadding,
+                       -Label::kFocusBorderPadding);
+    canvas->DrawFocusRect(focus_bounds.x(), focus_bounds.y(),
+                          focus_bounds.width(), focus_bounds.height());
+  }
+}
+
+gfx::Size DropShadowLabel::GetTextSize() const {
+  gfx::Size text_size = Label::GetTextSize();
+  text_size.SetSize(text_size.width() + drop_shadow_size_,
+                    text_size.height() + drop_shadow_size_);
+  return text_size;
+}
+
+}  // namespace chromeos