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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 "chrome/browser/ui/views/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 "chrome/common/url_constants.h" | |
| 14 #include "content/public/browser/web_ui.h" | |
| 15 #include "content/public/browser/web_ui_message_handler.h" | |
| 16 #include "googleurl/src/gurl.h" | |
| 17 #include "grit/generated_resources.h" | |
| 18 #include "ui/base/l10n/l10n_util.h" | |
| 19 #include "ui/gfx/screen.h" | |
| 20 #include "ui/views/controls/webview/web_dialog_view.h" | |
| 21 #include "ui/views/widget/widget.h" | |
| 22 | |
| 23 using content::WebContents; | |
| 24 using content::WebUIMessageHandler; | |
| 25 | |
| 26 namespace { | |
| 27 | |
| 28 const int kBaseWidth = 1252; | |
| 29 const int kBaseHeight = 516; | |
| 30 const int kHorizontalMargin = 28; | |
| 31 | |
| 32 // A message handler for detecting the timing when the web contents is painted. | |
| 33 class PaintMessageHandler | |
| 34 : public WebUIMessageHandler, | |
| 35 public base::SupportsWeakPtr<PaintMessageHandler> { | |
| 36 public: | |
| 37 explicit PaintMessageHandler(views::Widget* widget) : widget_(widget) {} | |
| 38 virtual ~PaintMessageHandler() {} | |
| 39 | |
| 40 // WebUIMessageHandler implementation. | |
| 41 virtual void RegisterMessages() OVERRIDE; | |
| 42 | |
| 43 private: | |
| 44 void DidPaint(const ListValue* args); | |
| 45 | |
| 46 views::Widget* widget_; | |
| 47 | |
| 48 DISALLOW_COPY_AND_ASSIGN(PaintMessageHandler); | |
| 49 }; | |
| 50 | |
| 51 void PaintMessageHandler::RegisterMessages() { | |
| 52 web_ui()->RegisterMessageCallback( | |
| 53 "didPaint", | |
| 54 base::Bind(&PaintMessageHandler::DidPaint, base::Unretained(this))); | |
| 55 } | |
| 56 | |
| 57 void PaintMessageHandler::DidPaint(const ListValue* args) { | |
| 58 // Show the widget after the web content has been painted. | |
| 59 widget_->Show(); | |
| 60 } | |
| 61 | |
| 62 } // namespace | |
| 63 | |
| 64 KeyboardOverlayDelegate::KeyboardOverlayDelegate(const string16& title) | |
| 65 : title_(title), | |
| 66 view_(NULL) { | |
| 67 } | |
| 68 | |
| 69 KeyboardOverlayDelegate::~KeyboardOverlayDelegate() { | |
| 70 } | |
| 71 | |
| 72 void KeyboardOverlayDelegate::Show(views::WebDialogView* view) { | |
| 73 view_ = view; | |
| 74 | |
| 75 views::Widget* widget = new views::Widget; | |
| 76 views::Widget::InitParams params( | |
| 77 views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); | |
| 78 params.delegate = view; | |
| 79 widget->Init(params); | |
| 80 | |
| 81 // Show the widget at the bottom of the work area. | |
| 82 gfx::Size size; | |
| 83 GetDialogSize(&size); | |
| 84 const gfx::Rect& rect = gfx::Screen::GetDisplayNearestWindow( | |
| 85 widget->GetNativeView()).work_area(); | |
| 86 gfx::Rect bounds((rect.width() - size.width()) / 2, | |
| 87 rect.height() - size.height(), | |
| 88 size.width(), | |
| 89 size.height()); | |
| 90 widget->SetBounds(bounds); | |
| 91 | |
| 92 // The widget will be shown when the web contents gets ready to display. | |
| 93 } | |
| 94 | |
| 95 ui::ModalType KeyboardOverlayDelegate::GetDialogModalType() const { | |
| 96 return ui::MODAL_TYPE_SYSTEM; | |
| 97 } | |
| 98 | |
| 99 string16 KeyboardOverlayDelegate::GetDialogTitle() const { | |
| 100 return title_; | |
| 101 } | |
| 102 | |
| 103 GURL KeyboardOverlayDelegate::GetDialogContentURL() const { | |
| 104 std::string url_string(chrome::kChromeUIKeyboardOverlayURL); | |
| 105 return GURL(url_string); | |
| 106 } | |
| 107 | |
| 108 void KeyboardOverlayDelegate::GetWebUIMessageHandlers( | |
| 109 std::vector<WebUIMessageHandler*>* handlers) const { | |
| 110 handlers->push_back(new PaintMessageHandler(view_->GetWidget())); | |
| 111 } | |
| 112 | |
| 113 void KeyboardOverlayDelegate::GetDialogSize( | |
| 114 gfx::Size* size) const { | |
| 115 using std::min; | |
| 116 DCHECK(view_); | |
| 117 gfx::Rect rect = gfx::Screen::GetDisplayNearestWindow( | |
| 118 view_->GetWidget()->GetNativeView()).bounds(); | |
| 119 const int width = min(kBaseWidth, rect.width() - kHorizontalMargin); | |
| 120 const int height = width * kBaseHeight / kBaseWidth; | |
| 121 size->SetSize(width, height); | |
| 122 } | |
| 123 | |
| 124 std::string KeyboardOverlayDelegate::GetDialogArgs() const { | |
| 125 return "[]"; | |
| 126 } | |
| 127 | |
| 128 void KeyboardOverlayDelegate::OnDialogClosed( | |
| 129 const std::string& json_retval) { | |
| 130 delete this; | |
| 131 return; | |
| 132 } | |
| 133 | |
| 134 void KeyboardOverlayDelegate::OnCloseContents(WebContents* source, | |
| 135 bool* out_close_dialog) { | |
| 136 } | |
| 137 | |
| 138 bool KeyboardOverlayDelegate::ShouldShowDialogTitle() const { | |
| 139 return false; | |
| 140 } | |
| 141 | |
| 142 bool KeyboardOverlayDelegate::HandleContextMenu( | |
| 143 const content::ContextMenuParams& params) { | |
| 144 return true; | |
| 145 } | |
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Chromium Code Reviews
Issue 10824023:
Revert "Revert 148383 - Move the keyboard overlay view to ash." (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src