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1 // Copyright (c) 2010 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 "chrome/browser/chromeos/wm_overview_favicon.h"
6 
7 #include <vector>
8 
9 #include "chrome/browser/chromeos/wm_ipc.h"
10 #include "chrome/browser/chromeos/wm_overview_snapshot.h"
11 #include "skia/ext/image_operations.h"
12 #include "third_party/cros/chromeos_wm_ipc_enums.h"
13 #include "third_party/skia/include/core/SkBitmap.h"
14 #include "ui/base/x/x11_util.h"
15 #include "views/controls/image_view.h"
16 #include "views/controls/label.h"
17 #include "views/layout/grid_layout.h"
18 
19 using std::vector;
20 
21 #if !defined(OS_CHROMEOS)
22 #error This file is only meant to be compiled for ChromeOS
23 #endif
24 
25 namespace chromeos {
26 
27 const int WmOverviewFavicon::kIconSize = 32;
28 
WmOverviewFavicon()29 WmOverviewFavicon::WmOverviewFavicon()
30     : WidgetGtk(TYPE_WINDOW),
31       favicon_view_(NULL) {
32 }
33 
Init(WmOverviewSnapshot * snapshot)34 void WmOverviewFavicon::Init(WmOverviewSnapshot* snapshot) {
35   MakeTransparent();
36 
37   favicon_view_ = new views::ImageView();
38 
39   WidgetGtk::Init(NULL, gfx::Rect(0, 0, 0, 0));
40 
41   SetContentsView(favicon_view_);
42 
43   // Set the window type
44   vector<int> params;
45   params.push_back(ui::GetX11WindowFromGtkWidget(
46       GTK_WIDGET(snapshot->GetNativeView())));
47   WmIpc::instance()->SetWindowType(
48       GetNativeView(),
49       WM_IPC_WINDOW_CHROME_TAB_FAV_ICON,
50       &params);
51 }
52 
53 
SetFavicon(const SkBitmap & image)54 void WmOverviewFavicon::SetFavicon(const SkBitmap& image) {
55   CHECK(favicon_view_) << "Init not called before setting favicon.";
56   SkBitmap icon;
57   if (image.width() && image.height()) {
58     float aspect_ratio = static_cast<float>(image.width()) / image.height();
59     int new_width = kIconSize;
60     int new_height = kIconSize;
61     if (aspect_ratio > 1.0f) {
62       new_height = kIconSize / aspect_ratio;
63     } else {
64       new_width = kIconSize * aspect_ratio;
65     }
66     if (new_width && new_height) {
67       icon = skia::ImageOperations::Resize(
68           image, skia::ImageOperations::RESIZE_BOX,
69           new_width, new_height);
70     }
71   }
72 
73   favicon_view_->SetImage(icon);
74 
75   // Reset the bounds to the size of the image.
76   SetBounds(gfx::Rect(icon.width(), icon.height()));
77 }
78 
79 }  // namespace chromeos
80