color_chooser_dialog.cc revision f2477e01787aa58f445919b809d89e252beef54f
1// Copyright (c) 2012 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/ui/views/color_chooser_dialog.h" 6 7#include <commdlg.h> 8 9#include "base/bind.h" 10#include "base/message_loop/message_loop.h" 11#include "base/threading/thread.h" 12#include "content/public/browser/browser_thread.h" 13#include "skia/ext/skia_utils_win.h" 14#include "ui/views/color_chooser/color_chooser_listener.h" 15#include "ui/views/win/hwnd_util.h" 16 17using content::BrowserThread; 18 19// static 20COLORREF ColorChooserDialog::g_custom_colors[16]; 21 22ColorChooserDialog::ExecuteOpenParams::ExecuteOpenParams(SkColor color, 23 RunState run_state, 24 HWND owner) 25 : color(color), 26 run_state(run_state), 27 owner(owner) { 28} 29 30ColorChooserDialog::ColorChooserDialog(views::ColorChooserListener* listener, 31 SkColor initial_color, 32 gfx::NativeWindow owning_window) 33 : listener_(listener) { 34 DCHECK(listener_); 35 CopyCustomColors(g_custom_colors, custom_colors_); 36 HWND owning_hwnd = views::HWNDForNativeWindow(owning_window); 37 ExecuteOpenParams execute_params(initial_color, BeginRun(owning_hwnd), 38 owning_hwnd); 39 execute_params.run_state.dialog_thread->message_loop()->PostTask(FROM_HERE, 40 base::Bind(&ColorChooserDialog::ExecuteOpen, this, execute_params)); 41} 42 43ColorChooserDialog::~ColorChooserDialog() { 44} 45 46bool ColorChooserDialog::IsRunning(gfx::NativeWindow owning_window) const { 47 return listener_ && IsRunningDialogForOwner( 48 views::HWNDForNativeWindow(owning_window)); 49} 50 51void ColorChooserDialog::ListenerDestroyed() { 52 // Our associated listener has gone away, so we shouldn't call back to it if 53 // our worker thread returns after the listener is dead. 54 listener_ = NULL; 55} 56 57void ColorChooserDialog::ExecuteOpen(const ExecuteOpenParams& params) { 58 CHOOSECOLOR cc; 59 cc.lStructSize = sizeof(CHOOSECOLOR); 60 cc.hwndOwner = params.owner; 61 cc.rgbResult = skia::SkColorToCOLORREF(params.color); 62 cc.lpCustColors = custom_colors_; 63 cc.Flags = CC_ANYCOLOR | CC_FULLOPEN | CC_RGBINIT; 64 bool success = !!ChooseColor(&cc); 65 DisableOwner(cc.hwndOwner); 66 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, 67 base::Bind(&ColorChooserDialog::DidCloseDialog, this, success, 68 skia::COLORREFToSkColor(cc.rgbResult), params.run_state)); 69} 70 71void ColorChooserDialog::DidCloseDialog(bool chose_color, 72 SkColor color, 73 RunState run_state) { 74 EndRun(run_state); 75 CopyCustomColors(custom_colors_, g_custom_colors); 76 if (listener_) { 77 if (chose_color) 78 listener_->OnColorChosen(color); 79 listener_->OnColorChooserDialogClosed(); 80 } 81} 82 83void ColorChooserDialog::CopyCustomColors(COLORREF* src, COLORREF* dst) { 84 memcpy(dst, src, sizeof(COLORREF) * arraysize(g_custom_colors)); 85} 86