Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 186 insertions, 0 deletions

diff --git a/chrome/views/decision.cc b/chrome/views/decision.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <string>
+
+#include "chrome/views/decision.h"
+
+#include "chrome/common/resource_bundle.h"
+#include "chrome/views/label.h"
+#include "chrome/views/grid_layout.h"
+
+using namespace std;
+
+namespace ChromeViews {
+
+static const int kPaddingEdge = 10;
+static const int kSpacingInfoBottom = 20;
+
+class Option : public View,
+               public NativeButton::Listener {
+ public:
+  Option(int command_id,
+         const std::wstring& description,
+         const std::wstring& action,
+         Controller* controller);
+
+  // NativeButton::Listener methods:
+  virtual void ButtonPressed(ChromeViews::NativeButton* sender);
+
+ private:
+  int command_id_;
+  Controller* controller_;
+};
+
+Decision::Decision(const std::wstring& title,
+                   const std::wstring& details,
+                   Controller* controller)
+    : controller_(controller) {
+  // The main message.
+  title_label_ = new Label(title);
+  title_label_->SetFont(
+      ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::LargeFont));
+  title_label_->SetHorizontalAlignment(Label::ALIGN_LEFT);
+  AddChildView(title_label_);
+
+  // The detailed description.
+  details_label_ = new Label(details);
+  details_label_->SetHorizontalAlignment(Label::ALIGN_LEFT);
+  details_label_->SetMultiLine(true);
+  AddChildView(details_label_);
+}
+
+void Decision::AppendOption(int command_id,
+                            const std::wstring& description,
+                            const std::wstring& action) {
+  Option* option = new Option(command_id, description, action, controller_);
+  options_.push_back(option);
+  AddChildView(option);
+}
+
+void Decision::DidChangeBounds(const CRect& old_bounds,
+                               const CRect& new_bounds) {
+  Layout();
+}
+
+void Decision::ViewHierarchyChanged(bool is_add, View *parent, View *child) {
+  if (is_add && child == this) {
+    // Layout when this is added so that the buttons are laid out correctly.
+    Layout();
+  }
+}
+
+void Decision::Layout() {
+  CRect lb;
+  GetLocalBounds(&lb, false);
+
+  // Resize for padding.
+  lb.DeflateRect(kPaddingEdge, kPaddingEdge);
+  int width = lb.Width();
+
+  CPoint position(lb.TopLeft());
+  CSize size;
+  title_label_->GetPreferredSize(&size);
+  title_label_->SetBounds(position.x, position.y, width, size.cy);
+  position.y += size.cy + kSpacingInfoBottom;
+
+  size.cy = details_label_->GetHeightForWidth(width);
+  details_label_->SetBounds(position.x, position.y, width, size.cy);
+  position.y += size.cy + kSpacingInfoBottom;
+
+  for (std::vector<Option*>::const_iterator iter = options_.begin();
+       iter != options_.end(); ++iter) {
+    Option* option = *iter;
+    option->GetPreferredSize(&size);
+    option->SetBounds(position.x, position.y, width, size.cy);
+    option->Layout();
+    position.y += size.cy + kSpacingInfoBottom;
+  }
+}
+
+void Decision::GetPreferredSize(CSize *out) {
+  int width = 0;
+  int height = 0;
+
+  // We need to find the largest width from the title and the options, as the
+  // details label is multi-line and we need to known its width in order to
+  // compute its height.
+  CSize size;
+  title_label_->GetPreferredSize(&size);
+  width = size.cx;
+  height = size.cy + kSpacingInfoBottom;
+
+  for (std::vector<Option*>::const_iterator iter = options_.begin();
+       iter != options_.end(); ++iter) {
+    (*iter)->GetPreferredSize(&size);
+    if (size.cx > width)
+      width = size.cx;
+    height += size.cy + kSpacingInfoBottom;
+  }
+
+  // Now we can compute the details label height.
+  height += details_label_->GetHeightForWidth(width) + kSpacingInfoBottom;
+
+  out->cx = width + 2 * kPaddingEdge;
+  out->cy = height + 2 * kPaddingEdge;
+}
+
+Option::Option(int command_id,
+               const std::wstring& description,
+               const std::wstring& action,
+               Controller* controller)
+    : command_id_(command_id),
+      controller_(controller) {
+
+  GridLayout* layout = new GridLayout(this);
+  SetLayoutManager(layout);
+
+  ColumnSet* columns = layout->AddColumnSet(0);
+  columns->AddColumn(GridLayout::FILL, GridLayout::CENTER,
+                     1, GridLayout::USE_PREF, 0, 0);
+  columns->AddPaddingColumn(0, 10);
+  columns->AddColumn(GridLayout::TRAILING, GridLayout::CENTER,
+                     0, GridLayout::USE_PREF, 0, 0);
+
+  layout->StartRow(0, 0);
+  Label* label = new Label(description);
+  label->SetHorizontalAlignment(Label::ALIGN_LEFT);
+  layout->AddView(label);
+
+  // A button to perform the action.
+  NativeButton* button = new NativeButton(action);
+  button->SetListener(this);
+  layout->AddView(button);
+}
+
+void Option::ButtonPressed(ChromeViews::NativeButton* sender) {
+  controller_->ExecuteCommand(command_id_);
+}
+
+} // namespace ChromeViews