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| 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 "ash/keyboard_overlay/keyboard_overlay_delegate.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/memory/weak_ptr.h" | |
| 11 #include "base/utf_string_conversions.h" | |
| 12 #include "base/values.h" | |
| 13 #include "content/public/browser/web_ui.h" | |
| 14 #include "content/public/browser/web_ui_message_handler.h" | |
| 15 #include "ui/base/l10n/l10n_util.h" | |
| 16 #include "ui/gfx/screen.h" | |
| 17 #include "ui/views/controls/webview/web_dialog_view.h" | |
| 18 #include "ui/views/widget/widget.h" | |
| 19 | |
| 20 using content::WebContents; | |
| 21 using content::WebUIMessageHandler; | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 const int kBaseWidth = 1252; | |
| 26 const int kBaseHeight = 516; | |
| 27 const int kHorizontalMargin = 28; | |
| 28 | |
| 29 // A message handler for detecting the timing when the web contents is painted. | |
| 30 class PaintMessageHandler | |
| 31 : public WebUIMessageHandler, | |
| 32 public base::SupportsWeakPtr<PaintMessageHandler> { | |
| 33 public: | |
| 34 explicit PaintMessageHandler(views::Widget* widget) : widget_(widget) {} | |
| 35 virtual ~PaintMessageHandler() {} | |
| 36 | |
| 37 // WebUIMessageHandler implementation. | |
| 38 virtual void RegisterMessages() OVERRIDE; | |
| 39 | |
| 40 private: | |
| 41 void DidPaint(const ListValue* args); | |
| 42 | |
| 43 views::Widget* widget_; | |
| 44 | |
| 45 DISALLOW_COPY_AND_ASSIGN(PaintMessageHandler); | |
| 46 }; | |
| 47 | |
| 48 void PaintMessageHandler::RegisterMessages() { | |
| 49 web_ui()->RegisterMessageCallback( | |
| 50 "didPaint", | |
| 51 base::Bind(&PaintMessageHandler::DidPaint, base::Unretained(this))); | |
| 52 } | |
| 53 | |
| 54 void PaintMessageHandler::DidPaint(const ListValue* args) { | |
| 55 // Show the widget after the web content has been painted. | |
| 56 widget_->Show(); | |
| 57 } | |
| 58 | |
| 59 } // namespace | |
| 60 | |
| 61 KeyboardOverlayDelegate::KeyboardOverlayDelegate(const string16& title, | |
| 62 const GURL& url) | |
| 63 : title_(title), | |
| 64 url_(url), | |
| 65 view_(NULL) { | |
| 66 } | |
| 67 | |
| 68 KeyboardOverlayDelegate::~KeyboardOverlayDelegate() { | |
| 69 } | |
| 70 | |
| 71 void KeyboardOverlayDelegate::Show(views::WebDialogView* view) { | |
| 72 view_ = view; | |
| 73 | |
| 74 views::Widget* widget = new views::Widget; | |
| 75 views::Widget::InitParams params( | |
| 76 views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); | |
| 77 params.delegate = view; | |
| 78 widget->Init(params); | |
| 79 | |
| 80 // Show the widget at the bottom of the work area. | |
| 81 gfx::Size size; | |
| 82 GetDialogSize(&size); | |
| 83 const gfx::Rect& rect = gfx::Screen::GetDisplayNearestWindow( | |
| 84 widget->GetNativeView()).work_area(); | |
| 85 gfx::Rect bounds((rect.width() - size.width()) / 2, | |
| 86 rect.height() - size.height(), | |
| 87 size.width(), | |
| 88 size.height()); | |
| 89 widget->SetBounds(bounds); | |
| 90 | |
| 91 // The widget will be shown when the web contents gets ready to display. | |
| 92 } | |
| 93 | |
| 94 ui::ModalType KeyboardOverlayDelegate::GetDialogModalType() const { | |
| 95 return ui::MODAL_TYPE_SYSTEM; | |
| 96 } | |
| 97 | |
| 98 string16 KeyboardOverlayDelegate::GetDialogTitle() const { | |
| 99 return title_; | |
| 100 } | |
| 101 | |
| 102 GURL KeyboardOverlayDelegate::GetDialogContentURL() const { | |
| 103 return url_; | |
| 104 } | |
| 105 | |
| 106 void KeyboardOverlayDelegate::GetWebUIMessageHandlers( | |
| 107 std::vector<WebUIMessageHandler*>* handlers) const { | |
| 108 handlers->push_back(new PaintMessageHandler(view_->GetWidget())); | |
| 109 } | |
| 110 | |
| 111 void KeyboardOverlayDelegate::GetDialogSize( | |
| 112 gfx::Size* size) const { | |
| 113 using std::min; | |
| 114 DCHECK(view_); | |
| 115 gfx::Rect rect = gfx::Screen::GetDisplayNearestWindow( | |
| 116 view_->GetWidget()->GetNativeView()).bounds(); | |
| 117 const int width = min(kBaseWidth, rect.width() - kHorizontalMargin); | |
| 118 const int height = width * kBaseHeight / kBaseWidth; | |
| 119 size->SetSize(width, height); | |
| 120 } | |
| 121 | |
| 122 std::string KeyboardOverlayDelegate::GetDialogArgs() const { | |
| 123 return "[]"; | |
| 124 } | |
| 125 | |
| 126 void KeyboardOverlayDelegate::OnDialogClosed( | |
| 127 const std::string& json_retval) { | |
| 128 delete this; | |
| 129 return; | |
| 130 } | |
| 131 | |
| 132 void KeyboardOverlayDelegate::OnCloseContents(WebContents* source, | |
| 133 bool* out_close_dialog) { | |
| 134 } | |
| 135 | |
| 136 bool KeyboardOverlayDelegate::ShouldShowDialogTitle() const { | |
| 137 return false; | |
| 138 } | |
| 139 | |
| 140 bool KeyboardOverlayDelegate::HandleContextMenu( | |
| 141 const content::ContextMenuParams& params) { | |
| 142 return true; | |
| 143 } | |
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Chromium Code Reviews
Issue 10823017:
Revert 148383 - Move the keyboard overlay view to ash. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/