Add chrome to the repository.

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

1 files changed, 134 insertions, 0 deletions

diff --git a/chrome/browser/icon_manager.cc b/chrome/browser/icon_manager.cc
new file mode 100644
index 0000000..64f9f4d
--- /dev/null
+++ b/chrome/browser/icon_manager.cc
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+// 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/icon_manager.h"
+
+#include "base/file_util.h"
+#include "base/scoped_ptr.h"
+#include "chrome/common/stl_util-inl.h"
+#include "SkBitmap.h"
+#include "SkCanvas.h"
+
+IconManager::IconManager() {
+}
+
+IconManager::~IconManager() {
+  STLDeleteValues(&icon_cache_);
+}
+
+SkBitmap* IconManager::LookupIcon(const std::wstring& file_name,
+                                  IconLoader::IconSize size) {
+  std::wstring path = file_name;
+  std::wstring extension = file_util::GetFileExtensionFromPath(path);
+  if (extension != L"exe" && extension != L"dll" && extension != L"ico")
+    path = L'.' + extension;
+
+  IconMap::iterator it = icon_cache_.find(CacheKey(path, size));
+  if (it != icon_cache_.end())
+    return it->second;
+
+  return NULL;
+}
+
+IconManager::Handle IconManager::LoadIcon(
+    const std::wstring& file_name,
+    IconLoader::IconSize size,
+    CancelableRequestConsumerBase* consumer,
+    IconRequestCallback* callback) {
+  std::wstring path = file_name;
+  std::wstring extension = file_util::GetFileExtensionFromPath(path);
+  if (extension != L"exe" && extension != L"dll" && extension != L"ico")
+    path = L'.' + extension;
+
+  IconRequest* request = new IconRequest(callback);
+  AddRequest(request, consumer);
+
+  IconLoader* loader =
+      IconLoader::CreateIconLoaderForFileResource(path, size, this);
+  loader->Start();
+  ClientRequest client_request = { request, path, size };
+  requests_[loader] = client_request;
+  return request->handle();
+}
+
+// IconLoader::Delegate implementation -----------------------------------------
+
+bool IconManager::OnSkBitmapLoaded(IconLoader* source, SkBitmap* result) {
+  scoped_ptr<IconLoader> scoped_source(source);
+
+  // Look up our client state.
+  ClientRequests::iterator rit = requests_.find(source);
+  if (rit == requests_.end()) {
+    NOTREACHED();
+    return false;
+  }
+
+  ClientRequest client_request = rit->second;
+  if (client_request.request->canceled()) {
+    requests_.erase(rit);
+    return true;
+  }
+
+  CacheKey key(client_request.file_name, client_request.size);
+  IconMap::iterator it = icon_cache_.find(key);
+  if (it != icon_cache_.end()) {
+    it->second->swap(*result);
+    delete result;
+  } else {
+    icon_cache_[key] = result;
+  }
+
+  // Inform our client that the request has completed.
+  IconRequest* icon_request = client_request.request;
+  icon_request->ForwardResult(IconRequest::TupleType(icon_request->handle(),
+                                                     result));
+  requests_.erase(rit);
+
+  return true;
+}
+
+bool IconManager::OnHICONLoaded(IconLoader* source,
+                                HICON small_icon,
+                                HICON large_icon) {
+  NOTREACHED();
+  return false;
+}
+
+IconManager::CacheKey::CacheKey(std::wstring file_name,
+                                IconLoader::IconSize size)
+    : file_name(file_name),
+      size(size) {
+}
+
+bool IconManager::CacheKey::operator<(const CacheKey &other) const {
+  if (file_name != other.file_name)
+    return file_name < other.file_name;
+  return size < other.size;
+}
+