Revert of Description: Replace layout constants in chrome/browser/extensions and (...)

chrome/browser/extensions/api/file_system/request_file_system_dialog_view.cc

+// Copyright 2015 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/extensions/api/file_system/request_file_system_dialog_view.h"
+
+#include <stddef.h>
+
+#include <cstdlib>
+
+#include "base/strings/utf_string_conversions.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "chrome/grit/generated_resources.h"
+#include "components/constrained_window/constrained_window_views.h"
+#include "content/public/browser/web_contents.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/gfx/font.h"
+#include "ui/gfx/range/range.h"
+#include "ui/views/controls/styled_label.h"
+#include "ui/views/layout/box_layout.h"
+#include "ui/views/layout/layout_constants.h"
+
+namespace {
+
+// Maximum width of the dialog in pixels.
+const int kDialogMaxWidth = 320;
+
+}  // namespace
+
+// static
+void RequestFileSystemDialogView::ShowDialog(
+    content::WebContents* web_contents,
+    const extensions::Extension& extension,
+    base::WeakPtr<file_manager::Volume> volume,
+    bool writable,
+    const base::Callback<void(ui::DialogButton)>& callback) {
+  constrained_window::ShowWebModalDialogViews(
+      new RequestFileSystemDialogView(extension, volume, writable, callback),
+      web_contents);
+}
+
+RequestFileSystemDialogView::~RequestFileSystemDialogView() {
+}
+
+base::string16 RequestFileSystemDialogView::GetAccessibleWindowTitle() const {
+  return l10n_util::GetStringUTF16(
+      IDS_FILE_SYSTEM_REQUEST_FILE_SYSTEM_DIALOG_TITLE);
+}
+
+int RequestFileSystemDialogView::GetDefaultDialogButton() const {
+  return ui::DIALOG_BUTTON_CANCEL;
+}
+
+base::string16 RequestFileSystemDialogView::GetDialogButtonLabel(
+    ui::DialogButton button) const {
+  switch (button) {
+    case ui::DIALOG_BUTTON_OK:
+      return l10n_util::GetStringUTF16(
+          IDS_FILE_SYSTEM_REQUEST_FILE_SYSTEM_DIALOG_ALLOW_BUTTON);
+    case ui::DIALOG_BUTTON_CANCEL:
+      return l10n_util::GetStringUTF16(
+          IDS_FILE_SYSTEM_REQUEST_FILE_SYSTEM_DIALOG_DENY_BUTTON);
+    default:
+      NOTREACHED();
+  }
+  return base::string16();
+}
+
+ui::ModalType RequestFileSystemDialogView::GetModalType() const {
+  return ui::MODAL_TYPE_CHILD;
+}
+
+views::View* RequestFileSystemDialogView::GetContentsView() {
+  return contents_view_;
+}
+
+views::Widget* RequestFileSystemDialogView::GetWidget() {
+  return contents_view_->GetWidget();
+}
+
+const views::Widget* RequestFileSystemDialogView::GetWidget() const {
+  return contents_view_->GetWidget();
+}
+
+bool RequestFileSystemDialogView::Cancel() {
+  callback_.Run(ui::DIALOG_BUTTON_CANCEL);
+  return true;
+}
+
+bool RequestFileSystemDialogView::Accept() {
+  callback_.Run(ui::DIALOG_BUTTON_OK);
+  return true;
+}
+
+RequestFileSystemDialogView::RequestFileSystemDialogView(
+    const extensions::Extension& extension,
+    base::WeakPtr<file_manager::Volume> volume,
+    bool writable,
+    const base::Callback<void(ui::DialogButton)>& callback)
+    : callback_(callback), contents_view_(new views::View) {
+  DCHECK(!callback_.is_null());
+
+  // If the volume is gone, then cancel the dialog.
+  if (!volume.get()) {
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(callback, ui::DIALOG_BUTTON_CANCEL));
+    return;
+  }
+
+  const base::string16 app_name = base::UTF8ToUTF16(extension.name());
+  // TODO(mtomasz): Improve the dialog contents, so it's easier for the user
+  // to understand what device is being requested.
+  const base::string16 volume_name =
+      base::UTF8ToUTF16(!volume->volume_label().empty() ? volume->volume_label()
+                                                        : volume->volume_id());
+  std::vector<size_t> placeholder_offsets;
+  const base::string16 message = l10n_util::GetStringFUTF16(
+      writable ? IDS_FILE_SYSTEM_REQUEST_FILE_SYSTEM_DIALOG_WRITABLE_MESSAGE
+               : IDS_FILE_SYSTEM_REQUEST_FILE_SYSTEM_DIALOG_MESSAGE,
+      app_name, volume_name, &placeholder_offsets);
+
+  views::StyledLabel* const label = new views::StyledLabel(message, nullptr);
+  views::StyledLabel::RangeStyleInfo bold_style;
+  bold_style.weight = gfx::Font::Weight::BOLD;
+
+  DCHECK_EQ(2u, placeholder_offsets.size());
+  label->AddStyleRange(gfx::Range(placeholder_offsets[0],
+                                  placeholder_offsets[0] + app_name.length()),
+                       bold_style);
+  label->AddStyleRange(
+      gfx::Range(placeholder_offsets[1],
+                 placeholder_offsets[1] + volume_name.length()),
+      bold_style);
+
+  views::BoxLayout* const layout = new views::BoxLayout(
+      views::BoxLayout::kHorizontal, views::kButtonHEdgeMarginNew,
+      views::kPanelVertMargin, 0);
+  contents_view_->SetLayoutManager(layout);
+
+  label->SizeToFit(kDialogMaxWidth - 2 * views::kButtonHEdgeMarginNew);
+  contents_view_->AddChildView(label);
+}