Implement input type=color UI

chrome/browser/ui/views/color_chooser_dialog_win.cc

Index: chrome/browser/ui/views/color_chooser_dialog_win.cc
diff --git a/chrome/browser/ui/views/color_chooser_dialog_win.cc b/chrome/browser/ui/views/color_chooser_dialog_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..30bcfa69adf57f06258b71d53a899cc65506772d
--- /dev/null
+++ b/chrome/browser/ui/views/color_chooser_dialog_win.cc
@@ -0,0 +1,98 @@
+// 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/ui/views/color_chooser_dialog_win.h"
+
+#include <commdlg.h>
+
+#include "base/bind.h"
+#include "base/message_loop.h"
+#include "content/public/browser/browser_thread.h"
+
+using content::BrowserThread;
+
+COLORREF COLORREFFromWebColor(WebKit::WebColor color) {
+  uint8 r = static_cast<uint8>(color >> 16) & 0xFF;
+  uint8 g = static_cast<uint8>(color >> 8) & 0xFF;
+  uint8 b = static_cast<uint8>(color >> 0) & 0xFF;
+  return RGB(r, g, b);
+}
+
+WebKit::WebColor WebColorFromCOLORREF(COLORREF color) {
+  uint8 b = static_cast<uint8>(GetBValue(color));
+  uint8 g = static_cast<uint8>(GetGValue(color));
+  uint8 r = static_cast<uint8>(GetRValue(color));
+  return ((255 << 24) | (r << 16) | (g << 8)  | b);
+}
+
+ColorChooserDialogWin::ColorChooserDialogWin(Listener* listener)
+    : listener_(listener),
+      ColorChooserDialog(),
+      BaseShellDialogImpl() {
+  DCHECK(listener_);
+}
+
+ColorChooserDialogWin::~ColorChooserDialogWin() {
+}
+
+bool ColorChooserDialogWin::IsRunning(HWND owning_hwnd) const {
+  return listener_ && IsRunningDialogForOwner(owning_hwnd);
+}
+
+void ColorChooserDialogWin::ListenerDestroyed() {
+  // Our associated listener has gone away, so we shouldn't call back to it if
+  // our worker thread returns after the listener is dead.
+  listener_ = NULL;
+}
+
+void ColorChooserDialogWin::SelectColor(WebKit::WebColor initial_color,
+                                         gfx::NativeWindow owning_window) {
+  ExecuteOpenParams execute_params(initial_color, BeginRun(owning_window),
+                                   owning_window);
+  execute_params.run_state.dialog_thread->message_loop()->PostTask(FROM_HERE,
+    base::Bind(&ColorChooserDialogWin::ExecuteOpen, this, execute_params));
+}
+
+void ColorChooserDialogWin::ExecuteOpen(const ExecuteOpenParams& params) {
+  COLORREF color = COLORREFFromWebColor(params.color);
+  CHOOSECOLOR cc;
+  cc.lStructSize = sizeof(CHOOSECOLOR);
+  cc.hwndOwner = params.owner;
+  cc.rgbResult = color;
+  cc.lpCustColors = custom_colors_;
+  cc.Flags = CC_FULLOPEN | CC_RGBINIT;
+  bool success = !!ChooseColor(&cc);
+  DisableOwner(cc.hwndOwner);
+  if (success) {
+    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
+        base::Bind(&ColorChooserDialogWin::DidChooseColor, this,
+                   WebColorFromCOLORREF(cc.rgbResult),
+                   params.run_state));
+  } else {
+    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
+        base::Bind(&ColorChooserDialogWin::DidDetach, this,
+                   params.run_state));
+  }
+}
+
+void ColorChooserDialogWin::DidChooseColor(WebKit::WebColor color,
+                                       RunState run_state) {
+  if (!listener_)
+    return;
+  EndRun(run_state);
+  listener_->DidChooseColor(color);
+  listener_->DidEnd();
+}
+
+void ColorChooserDialogWin::DidDetach(RunState run_state) {
+  if (!listener_)
+    return;
+  EndRun(run_state);
+  listener_->DidEnd();
+}
+
+// static
+ColorChooserDialog* ColorChooserDialog::Create(Listener* listener) {
+  return new ColorChooserDialogWin(listener);
+}