Implement input type=color UI

chrome/browser/color_select_helper.cc

+// Copyright (c) 2011 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/color_select_helper.h"
+
+#include "content/browser/renderer_host/render_view_host.h"
+#include "content/browser/renderer_host/render_widget_host_view.h"
+#include "content/browser/tab_contents/tab_contents.h"
+#include "content/common/view_messages.h"
+
+ColorSelectHelper::ColorSelectHelper() {
+}
+
+ColorSelectHelper::~ColorSelectHelper() {
+}
+
+void ColorSelectHelper::OpenColorChooser(content::WebContents* tab,
+                                         const WebKit::WebColor& color) {
+  tab_ = tab;
+  if (!color_chooser_.get())
+    color_chooser_.reset(ColorChooser::Create());
+  color_chooser_->Open(this, color);
+}
+
+void ColorSelectHelper::EndColorChooser(content::WebContents* tab) {
+  if (tab_ != tab)
+    return;
+  if (!color_chooser_.get())
+    return;
+  color_chooser_->End(this);
+}
+
+void ColorSelectHelper::SetSelectedColorInColorChooser(
+    content::WebContents* tab,
+    const WebKit::WebColor& color) {
+  if (tab_ != tab)
+    return;
+  if (!color_chooser_.get())
+    return;
+  color_chooser_ ->SetSelectedColor(color);
+}
+
+void ColorSelectHelper::DidChooseColor(WebKit::WebColor color) {
+  tab_->GetRenderViewHost()->DidChooseColorInColorChooser(color);
+}
+
+void ColorSelectHelper::DidEnd() {
+  tab_->GetRenderViewHost()->DidEndColorChooser();
+  color_chooser_.reset(NULL);
+}
+
+RenderViewHost* ColorSelectHelper::GetRenderViewHost() {
+  if (!tab_)
+    return NULL;
+  return tab_->GetRenderViewHost();
+}