diff options
Diffstat (limited to 'chrome/browser/views/input_window.cc')
| -rw-r--r-- | chrome/browser/views/input_window.cc | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/chrome/browser/views/input_window.cc b/chrome/browser/views/input_window.cc new file mode 100644 index 0000000..058e29d --- /dev/null +++ b/chrome/browser/views/input_window.cc @@ -0,0 +1,194 @@ +// 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 "chrome/browser/views/input_window.h" + +#include "chrome/browser/standard_layout.h" +#include "chrome/common/l10n_util.h" +#include "chrome/views/grid_layout.h" +#include "chrome/views/label.h" +#include "chrome/views/text_field.h" +#include "chrome/views/window.h" +#include "generated_resources.h" + +// Width to make the text field, in pixels. +static const int kTextFieldWidth = 200; + +// ContentView ---------------------------------------------------------------- + +// ContentView, as the name implies, is the content view for the InputWindow. +// It registers accelerators that accept/cancel the input. + +class ContentView : public ChromeViews::View, + public ChromeViews::DialogDelegate, + public ChromeViews::TextField::Controller { + public: + explicit ContentView(InputWindowDelegate* delegate) + : delegate_(delegate), + window_(NULL), + focus_grabber_factory_(this) { + DCHECK(delegate_); + } + + void set_window(ChromeViews::Window* window) { window_ = window; } + + // ChromeViews::DialogDelegate overrides: + virtual bool IsDialogButtonEnabled(DialogButton button) const; + virtual bool Accept(); + virtual bool Cancel(); + virtual void WindowClosing(); + virtual std::wstring GetWindowTitle() const; + virtual bool IsModal() const { return true; } + + // ChromeViews::TextField::Controller overrides: + virtual void ContentsChanged(ChromeViews::TextField* sender, + const std::wstring& new_contents); + virtual void HandleKeystroke(ChromeViews::TextField*, UINT, TCHAR, UINT, + UINT) {} + + protected: + // ChromeViews::View overrides: + virtual void ViewHierarchyChanged(bool is_add, ChromeViews::View* parent, + ChromeViews::View* child); + + private: + // Set up dialog controls and layout. + void InitControlLayout(); + + // Sets focus to the first focusable element within the dialog. + void FocusFirstFocusableControl(); + + // The TextField that the user can type into. + ChromeViews::TextField* text_field_; + + // The delegate that the ContentView uses to communicate changes to the + // caller. + InputWindowDelegate* delegate_; + + // The Window that owns this view. + ChromeViews::Window* window_; + + // Helps us set focus to the first TextField in the window. + ScopedRunnableMethodFactory<ContentView> focus_grabber_factory_; + + DISALLOW_EVIL_CONSTRUCTORS(ContentView); +}; + +/////////////////////////////////////////////////////////////////////////////// +// ContentView, ChromeViews::DialogDelegate implementation: + +bool ContentView::IsDialogButtonEnabled(DialogButton button) const { + if (button == DIALOGBUTTON_OK && !delegate_->IsValid(text_field_->GetText())) + return false; + return true; +} + +bool ContentView::Accept() { + delegate_->InputAccepted(text_field_->GetText()); + return true; +} + +bool ContentView::Cancel() { + delegate_->InputCanceled(); + return true; +} + +void ContentView::WindowClosing() { + delegate_->WindowClosing(); +} + +std::wstring ContentView::GetWindowTitle() const { + return delegate_->GetWindowTitle(); +} + +/////////////////////////////////////////////////////////////////////////////// +// ContentView, ChromeViews::TextField::Controller implementation: + +void ContentView::ContentsChanged(ChromeViews::TextField* sender, + const std::wstring& new_contents) { + window_->UpdateDialogButtons(); +} + +/////////////////////////////////////////////////////////////////////////////// +// ContentView, protected: + +void ContentView::ViewHierarchyChanged(bool is_add, + ChromeViews::View* parent, + ChromeViews::View* child) { + if (is_add && child == this) + InitControlLayout(); +} + +/////////////////////////////////////////////////////////////////////////////// +// ContentView, private: + +void ContentView::InitControlLayout() { + text_field_ = new ChromeViews::TextField; + text_field_->SetText(delegate_->GetTextFieldContents()); + text_field_->SetController(this); + + using ChromeViews::ColumnSet; + using ChromeViews::GridLayout; + + // TODO(sky): Vertical alignment should be baseline. + GridLayout* layout = CreatePanelGridLayout(this); + SetLayoutManager(layout); + + ColumnSet* c1 = layout->AddColumnSet(0); + c1->AddColumn(GridLayout::CENTER, GridLayout::CENTER, 0, + GridLayout::USE_PREF, 0, 0); + c1->AddPaddingColumn(0, kRelatedControlHorizontalSpacing); + c1->AddColumn(GridLayout::FILL, GridLayout::CENTER, 1, + GridLayout::USE_PREF, kTextFieldWidth, kTextFieldWidth); + + layout->StartRow(0, 0); + ChromeViews::Label* label = + new ChromeViews::Label(delegate_->GetTextFieldLabel()); + layout->AddView(label); + layout->AddView(text_field_); + + MessageLoop::current()->PostTask(FROM_HERE, + focus_grabber_factory_.NewRunnableMethod( + &ContentView::FocusFirstFocusableControl)); +} + +void ContentView::FocusFirstFocusableControl() { + text_field_->SelectAll(); + text_field_->RequestFocus(); +} + +ChromeViews::Window* CreateInputWindow(HWND parent_hwnd, + InputWindowDelegate* delegate) { + ContentView* cv = new ContentView(delegate); + ChromeViews::Window* window = ChromeViews::Window::CreateChromeWindow( + parent_hwnd, gfx::Rect(), cv, cv); + cv->set_window(window); + window->UpdateDialogButtons(); + return window; +} |