зеркало из https://github.com/electron/electron.git
win: Add color chooser dialog
This commit is contained in:
Cheng Zhao
Родитель
de49498102
Коммит
914dce6cc2
8
atom.gyp
8
atom.gyp
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@ -332,6 +332,11 @@
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'chromium_src/library_loaders/libspeechd.h',
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'<@(native_mate_files)',
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],
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'lib_sources_win': [
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'chromium_src/chrome/browser/ui/views/color_chooser_dialog.cc',
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'chromium_src/chrome/browser/ui/views/color_chooser_dialog.h',
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'chromium_src/chrome/browser/ui/views/color_chooser_win.cc',
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],
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'framework_sources': [
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'atom/app/atom_library_main.cc',
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'atom/app/atom_library_main.h',
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@ -551,6 +556,9 @@
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],
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'conditions': [
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['OS=="win"', {
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'sources': [
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'<@(lib_sources_win)',
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],
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'link_settings': {
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'libraries': [
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'-limm32.lib',
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@ -0,0 +1,85 @@
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "chrome/browser/ui/views/color_chooser_dialog.h"
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#include <commdlg.h>
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#include "base/bind.h"
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#include "base/message_loop/message_loop.h"
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#include "base/threading/thread.h"
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#include "content/public/browser/browser_thread.h"
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#include "skia/ext/skia_utils_win.h"
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#include "ui/views/color_chooser/color_chooser_listener.h"
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#include "ui/views/win/hwnd_util.h"
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using content::BrowserThread;
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// static
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COLORREF ColorChooserDialog::g_custom_colors[16];
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ColorChooserDialog::ExecuteOpenParams::ExecuteOpenParams(SkColor color,
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RunState run_state,
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HWND owner)
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: color(color),
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run_state(run_state),
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owner(owner) {
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}
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ColorChooserDialog::ColorChooserDialog(views::ColorChooserListener* listener,
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SkColor initial_color,
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gfx::NativeWindow owning_window)
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: listener_(listener) {
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DCHECK(listener_);
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CopyCustomColors(g_custom_colors, custom_colors_);
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HWND owning_hwnd = views::HWNDForNativeWindow(owning_window);
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ExecuteOpenParams execute_params(initial_color, BeginRun(owning_hwnd),
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owning_hwnd);
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execute_params.run_state.dialog_thread->message_loop()->PostTask(FROM_HERE,
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base::Bind(&ColorChooserDialog::ExecuteOpen, this, execute_params));
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}
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ColorChooserDialog::~ColorChooserDialog() {
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}
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bool ColorChooserDialog::IsRunning(gfx::NativeWindow owning_window) const {
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return listener_ && IsRunningDialogForOwner(
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views::HWNDForNativeWindow(owning_window));
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}
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void ColorChooserDialog::ListenerDestroyed() {
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// Our associated listener has gone away, so we shouldn't call back to it if
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// our worker thread returns after the listener is dead.
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listener_ = NULL;
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}
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void ColorChooserDialog::ExecuteOpen(const ExecuteOpenParams& params) {
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CHOOSECOLOR cc;
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cc.lStructSize = sizeof(CHOOSECOLOR);
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cc.hwndOwner = params.owner;
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cc.rgbResult = skia::SkColorToCOLORREF(params.color);
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cc.lpCustColors = custom_colors_;
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cc.Flags = CC_ANYCOLOR | CC_FULLOPEN | CC_RGBINIT;
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bool success = !!ChooseColor(&cc);
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DisableOwner(cc.hwndOwner);
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BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
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base::Bind(&ColorChooserDialog::DidCloseDialog, this, success,
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skia::COLORREFToSkColor(cc.rgbResult), params.run_state));
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}
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void ColorChooserDialog::DidCloseDialog(bool chose_color,
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SkColor color,
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RunState run_state) {
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EndRun(run_state);
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CopyCustomColors(custom_colors_, g_custom_colors);
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if (listener_) {
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if (chose_color)
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listener_->OnColorChosen(color);
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listener_->OnColorChooserDialogClosed();
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}
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}
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void ColorChooserDialog::CopyCustomColors(COLORREF* src, COLORREF* dst) {
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memcpy(dst, src, sizeof(COLORREF) * arraysize(g_custom_colors));
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}
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@ -0,0 +1,73 @@
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CHROME_BROWSER_UI_VIEWS_COLOR_CHOOSER_DIALOG_H_
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#define CHROME_BROWSER_UI_VIEWS_COLOR_CHOOSER_DIALOG_H_
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#include "base/memory/ref_counted.h"
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#include "chrome/browser/ui/views/color_chooser_dialog.h"
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#include "third_party/skia/include/core/SkColor.h"
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#include "ui/shell_dialogs/base_shell_dialog.h"
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#include "ui/shell_dialogs/base_shell_dialog_win.h"
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namespace views {
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class ColorChooserListener;
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}
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class ColorChooserDialog
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: public base::RefCountedThreadSafe<ColorChooserDialog>,
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public ui::BaseShellDialog,
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public ui::BaseShellDialogImpl {
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public:
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ColorChooserDialog(views::ColorChooserListener* listener,
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SkColor initial_color,
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gfx::NativeWindow owning_window);
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virtual ~ColorChooserDialog();
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// BaseShellDialog:
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virtual bool IsRunning(gfx::NativeWindow owning_window) const OVERRIDE;
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virtual void ListenerDestroyed() OVERRIDE;
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private:
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struct ExecuteOpenParams {
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ExecuteOpenParams(SkColor color, RunState run_state, HWND owner);
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SkColor color;
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RunState run_state;
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HWND owner;
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};
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// Called on the dialog thread to show the actual color chooser. This is
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// shown modal to |params.owner|. Once it's closed, calls back to
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// DidCloseDialog() on the UI thread.
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void ExecuteOpen(const ExecuteOpenParams& params);
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// Called on the UI thread when a color chooser is closed. |chose_color| is
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// true if the user actually chose a color, in which case |color| is the
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// chosen color. Calls back to the |listener_| (if applicable) to notify it
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// of the results, and copies the modified array of |custom_colors_| back to
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// |g_custom_colors| so future dialogs will see the changes.
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void DidCloseDialog(bool chose_color, SkColor color, RunState run_state);
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// Copies the array of colors in |src| to |dst|.
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void CopyCustomColors(COLORREF*, COLORREF*);
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// The user's custom colors. Kept process-wide so that they can be persisted
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// from one dialog invocation to the next.
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static COLORREF g_custom_colors[16];
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// A copy of the custom colors for the current dialog to display and modify.
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// This allows us to safely access the colors even if multiple windows are
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// simultaneously showing color choosers (which would cause thread safety
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// problems if we gave them direct handles to |g_custom_colors|).
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COLORREF custom_colors_[16];
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// The listener to notify when the user closes the dialog. This may be set to
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// NULL before the color chooser is closed, signalling that the listener no
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// longer cares about the outcome.
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views::ColorChooserListener* listener_;
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DISALLOW_COPY_AND_ASSIGN(ColorChooserDialog);
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};
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#endif // CHROME_BROWSER_UI_VIEWS_COLOR_CHOOSER_DIALOG_H_
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@ -0,0 +1,104 @@
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <windows.h>
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#include "chrome/browser/ui/browser_dialogs.h"
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#include "chrome/browser/ui/views/color_chooser_aura.h"
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#include "chrome/browser/ui/views/color_chooser_dialog.h"
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#include "content/public/browser/color_chooser.h"
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#include "content/public/browser/render_view_host.h"
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#include "content/public/browser/render_widget_host_view.h"
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#include "content/public/browser/web_contents.h"
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#include "ui/views/color_chooser/color_chooser_listener.h"
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class ColorChooserWin : public content::ColorChooser,
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public views::ColorChooserListener {
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public:
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static ColorChooserWin* Open(content::WebContents* web_contents,
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SkColor initial_color);
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ColorChooserWin(content::WebContents* web_contents,
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SkColor initial_color);
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~ColorChooserWin();
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// content::ColorChooser overrides:
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virtual void End() OVERRIDE;
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virtual void SetSelectedColor(SkColor color) OVERRIDE {}
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// views::ColorChooserListener overrides:
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virtual void OnColorChosen(SkColor color);
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virtual void OnColorChooserDialogClosed();
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private:
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static ColorChooserWin* current_color_chooser_;
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// The web contents invoking the color chooser. No ownership. because it will
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// outlive this class.
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content::WebContents* web_contents_;
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// The color chooser dialog which maintains the native color chooser UI.
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scoped_refptr<ColorChooserDialog> color_chooser_dialog_;
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};
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ColorChooserWin* ColorChooserWin::current_color_chooser_ = NULL;
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ColorChooserWin* ColorChooserWin::Open(content::WebContents* web_contents,
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SkColor initial_color) {
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if (current_color_chooser_)
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return NULL;
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current_color_chooser_ = new ColorChooserWin(web_contents, initial_color);
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return current_color_chooser_;
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}
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ColorChooserWin::ColorChooserWin(content::WebContents* web_contents,
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SkColor initial_color)
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: web_contents_(web_contents) {
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gfx::NativeWindow owning_window = (gfx::NativeWindow)::GetAncestor(
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(HWND)web_contents->GetRenderViewHost()->GetView()->GetNativeView(),
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GA_ROOT);
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color_chooser_dialog_ = new ColorChooserDialog(this,
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initial_color,
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owning_window);
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}
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ColorChooserWin::~ColorChooserWin() {
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// Always call End() before destroying.
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DCHECK(!color_chooser_dialog_);
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}
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void ColorChooserWin::End() {
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// The ColorChooserDialog's listener is going away. Ideally we'd
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// programmatically close the dialog at this point. Since that's impossible,
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// we instead tell the dialog its listener is going away, so that the dialog
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// doesn't try to communicate with a destroyed listener later. (We also tell
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// the renderer the dialog is closed, since from the renderer's perspective
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// it effectively is.)
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OnColorChooserDialogClosed();
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}
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void ColorChooserWin::OnColorChosen(SkColor color) {
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if (web_contents_)
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web_contents_->DidChooseColorInColorChooser(color);
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}
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void ColorChooserWin::OnColorChooserDialogClosed() {
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if (color_chooser_dialog_.get()) {
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color_chooser_dialog_->ListenerDestroyed();
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color_chooser_dialog_ = NULL;
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}
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DCHECK(current_color_chooser_ == this);
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current_color_chooser_ = NULL;
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if (web_contents_)
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web_contents_->DidEndColorChooser();
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}
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namespace chrome {
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content::ColorChooser* ShowColorChooser(content::WebContents* web_contents,
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SkColor initial_color) {
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return ColorChooserWin::Open(web_contents, initial_color);
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}
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} // namespace chrome
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