Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 139 insertions, 0 deletions

diff --git a/chrome/browser/web_app_icon_manager.cc b/chrome/browser/web_app_icon_manager.cc
new file mode 100644
index 0000000..9a7cfea
--- /dev/null
+++ b/chrome/browser/web_app_icon_manager.cc
@@ -0,0 +1,139 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome/browser/web_app_icon_manager.h"
+
+#include "chrome/app/chrome_dll_resource.h"
+#include "chrome/app/theme/theme_resources.h"
+#include "chrome/browser/web_contents.h"
+#include "chrome/common/gfx/icon_util.h"
+#include "skia/include/SkBitmap.h"
+
+// Returns the default icon for the window.
+static HICON GetDefaultIcon() {
+  HMODULE chrome_dll = GetModuleHandle(L"chrome.dll");
+  return ::LoadIcon(chrome_dll, MAKEINTRESOURCE(IDR_MAINFRAME));
+}
+
+// Updates the icon of the window from the specified SkBitmap. If the image
+// is empty, the default icon is used. If icon is non-null it is updated to
+// reflect the new icon (unless the default is used).
+static void UpdateIcon(HWND hwnd,
+                       const SkBitmap& image,
+                       int icon_type,
+                       HICON* icon) {
+  if (icon) {
+    if (*icon)
+      DestroyIcon(*icon);
+    *icon = NULL;
+  }
+
+  HICON icon_to_set;
+  if (image.width() > 0) {
+    icon_to_set = IconUtil::CreateHICONFromSkBitmap(image);
+    if (icon)
+      *icon = icon_to_set;
+  } else {
+    icon_to_set = GetDefaultIcon();
+  }
+  ::SendMessage(hwnd, WM_SETICON, icon_type,
+                reinterpret_cast<LPARAM>(icon_to_set));
+}
+
+WebAppIconManager::WebAppIconManager(HWND parent)
+    : hwnd_(parent), small_icon_(NULL), big_icon_(NULL), enabled_(true) {
+}
+
+WebAppIconManager::~WebAppIconManager() {
+  if (small_icon_)
+    DestroyIcon(small_icon_);
+
+  if (big_icon_)
+    DestroyIcon(big_icon_);
+
+  if (app_.get())
+    app_->RemoveObserver(this);
+}
+
+void WebAppIconManager::SetContents(TabContents* contents) {
+  WebApp* new_app = NULL;
+  if (contents && contents->AsWebContents())
+    new_app = contents->AsWebContents()->web_app();
+
+  if (new_app == app_.get())
+    return;
+
+  if (app_.get())
+    app_->RemoveObserver(this);
+  app_ = new_app;
+  if (app_.get()) {
+    app_->AddObserver(this);
+    UpdateIconsFromApp();
+  } else if (enabled_) {
+    UpdateIcon(hwnd_, SkBitmap(), ICON_SMALL, NULL);
+    UpdateIcon(hwnd_, SkBitmap(), ICON_BIG, NULL);
+  }
+}
+
+void WebAppIconManager::SetUpdatesEnabled(bool enabled) {
+  if (enabled == enabled_)
+    return;
+
+  enabled_ = enabled;
+  if (enabled_)
+    UpdateIconsFromApp();
+}
+
+void WebAppIconManager::WebAppImagesChanged(WebApp* web_app) {
+  UpdateIconsFromApp();
+}
+
+void WebAppIconManager::UpdateIconsFromApp() {
+  if (!enabled_)
+    return;
+
+  SkBitmap small_image;
+  SkBitmap big_image;
+  if (app_.get() && !app_->GetImages().empty()) {
+    const WebApp::Images& images = app_->GetImages();
+    WebApp::Images::const_iterator smallest = images.begin();
+    WebApp::Images::const_iterator biggest = images.begin();
+    for (WebApp::Images::const_iterator i = images.begin() + 1;
+         i != images.end(); ++i) {
+      if (i->width() > biggest->width())
+        biggest = i;
+      else if (i->width() > 0 && i->width() < smallest->width())
+        smallest = i;
+    }
+    small_image = *smallest;
+    big_image = *biggest;
+  }
+  UpdateIcon(hwnd_, small_image, ICON_SMALL, &small_icon_);
+  UpdateIcon(hwnd_, big_image, ICON_BIG, &big_icon_);
+}