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[chromium-blink-merge.git] / chrome / browser / ui / views / toolbar / browser_action_view.cc
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1 // Copyright 2013 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.
5 #include "chrome/browser/ui/views/toolbar/browser_action_view.h"
7 #include "base/strings/utf_string_conversions.h"
8 #include "chrome/browser/chrome_notification_types.h"
9 #include "chrome/browser/extensions/api/commands/command_service.h"
10 #include "chrome/browser/extensions/dev_mode_bubble_controller.h"
11 #include "chrome/browser/extensions/extension_action.h"
12 #include "chrome/browser/extensions/extension_action_manager.h"
13 #include "chrome/browser/extensions/extension_context_menu_model.h"
14 #include "chrome/browser/extensions/extension_service.h"
15 #include "chrome/browser/profiles/profile.h"
16 #include "chrome/browser/themes/theme_service.h"
17 #include "chrome/browser/themes/theme_service_factory.h"
18 #include "chrome/browser/ui/browser.h"
19 #include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
20 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
21 #include "extensions/common/extension.h"
22 #include "extensions/common/manifest_constants.h"
23 #include "grit/generated_resources.h"
24 #include "grit/theme_resources.h"
25 #include "ui/base/accessibility/accessible_view_state.h"
26 #include "ui/base/l10n/l10n_util.h"
27 #include "ui/base/resource/resource_bundle.h"
28 #include "ui/events/event.h"
29 #include "ui/gfx/image/image_skia.h"
30 #include "ui/gfx/image/image_skia_operations.h"
31 #include "ui/gfx/image/image_skia_source.h"
32 #include "ui/views/controls/menu/menu_runner.h"
34 using extensions::Extension;
36 ////////////////////////////////////////////////////////////////////////////////
37 // BrowserActionView
39 bool BrowserActionView::Delegate::NeedToShowMultipleIconStates() const {
40 return true;
43 bool BrowserActionView::Delegate::NeedToShowTooltip() const {
44 return true;
47 BrowserActionView::BrowserActionView(const Extension* extension,
48 Browser* browser,
49 BrowserActionView::Delegate* delegate)
50 : browser_(browser),
51 delegate_(delegate),
52 button_(NULL),
53 extension_(extension) {
54 button_ = new BrowserActionButton(extension_, browser_, delegate_);
55 button_->set_drag_controller(delegate_);
56 button_->set_owned_by_client();
57 AddChildView(button_);
58 button_->UpdateState();
61 BrowserActionView::~BrowserActionView() {
62 button_->Destroy();
65 gfx::ImageSkia BrowserActionView::GetIconWithBadge() {
66 int tab_id = delegate_->GetCurrentTabId();
68 const ExtensionAction* action =
69 extensions::ExtensionActionManager::Get(browser_->profile())->
70 GetBrowserAction(*button_->extension());
71 gfx::Size spacing(0, ToolbarView::kVertSpacing);
72 gfx::ImageSkia icon = *button_->icon_factory().GetIcon(tab_id).ToImageSkia();
73 if (!button_->IsEnabled(tab_id))
74 icon = gfx::ImageSkiaOperations::CreateTransparentImage(icon, .25);
75 return action->GetIconWithBadge(icon, tab_id, spacing);
78 void BrowserActionView::Layout() {
79 // We can't rely on button_->GetPreferredSize() here because that's not set
80 // correctly until the first call to
81 // BrowserActionsContainer::RefreshBrowserActionViews(), whereas this can be
82 // called before that when the initial bounds are set (and then not after,
83 // since the bounds don't change). So instead of setting the height from the
84 // button's preferred size, we use IconHeight(), since that's how big the
85 // button should be regardless of what it's displaying.
86 gfx::Point offset = delegate_->GetViewContentOffset();
87 button_->SetBounds(offset.x(), offset.y(), width() - offset.x(),
88 BrowserActionsContainer::IconHeight());
91 void BrowserActionView::GetAccessibleState(ui::AccessibleViewState* state) {
92 state->name = l10n_util::GetStringUTF16(
93 IDS_ACCNAME_EXTENSIONS_BROWSER_ACTION);
94 state->role = ui::AccessibilityTypes::ROLE_GROUPING;
97 gfx::Size BrowserActionView::GetPreferredSize() {
98 return gfx::Size(BrowserActionsContainer::IconWidth(false),
99 BrowserActionsContainer::IconHeight());
102 void BrowserActionView::PaintChildren(gfx::Canvas* canvas) {
103 View::PaintChildren(canvas);
104 ExtensionAction* action = button()->browser_action();
105 int tab_id = delegate_->GetCurrentTabId();
106 if (tab_id >= 0)
107 action->PaintBadge(canvas, GetLocalBounds(), tab_id);
110 ////////////////////////////////////////////////////////////////////////////////
111 // BrowserActionButton
113 BrowserActionButton::BrowserActionButton(const Extension* extension,
114 Browser* browser,
115 BrowserActionView::Delegate* delegate)
116 : MenuButton(this, base::string16(), NULL, false),
117 browser_(browser),
118 browser_action_(
119 extensions::ExtensionActionManager::Get(browser->profile())->
120 GetBrowserAction(*extension)),
121 extension_(extension),
122 icon_factory_(browser->profile(), extension, browser_action_, this),
123 delegate_(delegate),
124 context_menu_(NULL),
125 called_registered_extension_command_(false) {
126 set_border(NULL);
127 set_alignment(TextButton::ALIGN_CENTER);
128 set_context_menu_controller(this);
130 // No UpdateState() here because View hierarchy not setup yet. Our parent
131 // should call UpdateState() after creation.
133 content::NotificationSource notification_source =
134 content::Source<Profile>(browser_->profile()->GetOriginalProfile());
135 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_BROWSER_ACTION_UPDATED,
136 content::Source<ExtensionAction>(browser_action_));
137 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_COMMAND_ADDED,
138 notification_source);
139 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_COMMAND_REMOVED,
140 notification_source);
142 // We also listen for browser theme changes on linux because a switch from or
143 // to GTK requires that we regrab our browser action images.
144 registrar_.Add(
145 this,
146 chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
147 content::Source<ThemeService>(
148 ThemeServiceFactory::GetForProfile(browser->profile())));
151 void BrowserActionButton::Destroy() {
152 MaybeUnregisterExtensionCommand(false);
154 if (context_menu_) {
155 context_menu_->Cancel();
156 base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
157 } else {
158 delete this;
162 void BrowserActionButton::ViewHierarchyChanged(
163 const ViewHierarchyChangedDetails& details) {
164 if (details.is_add && !called_registered_extension_command_ &&
165 GetFocusManager()) {
166 MaybeRegisterExtensionCommand();
167 called_registered_extension_command_ = true;
170 MenuButton::ViewHierarchyChanged(details);
173 bool BrowserActionButton::CanHandleAccelerators() const {
174 // View::CanHandleAccelerators() checks to see if the view is visible before
175 // allowing it to process accelerators. This is not appropriate for browser
176 // actions buttons, which can be hidden inside the overflow area.
177 return true;
180 void BrowserActionButton::GetAccessibleState(ui::AccessibleViewState* state) {
181 views::MenuButton::GetAccessibleState(state);
182 state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
185 void BrowserActionButton::ButtonPressed(views::Button* sender,
186 const ui::Event& event) {
187 delegate_->OnBrowserActionExecuted(this);
190 void BrowserActionButton::ShowContextMenuForView(
191 View* source,
192 const gfx::Point& point,
193 ui::MenuSourceType source_type) {
194 if (!extension()->ShowConfigureContextMenus())
195 return;
197 SetButtonPushed();
199 // Reconstructs the menu every time because the menu's contents are dynamic.
200 scoped_refptr<ExtensionContextMenuModel> context_menu_contents_(
201 new ExtensionContextMenuModel(extension(), browser_, delegate_));
202 menu_runner_.reset(new views::MenuRunner(context_menu_contents_.get()));
204 context_menu_ = menu_runner_->GetMenu();
205 gfx::Point screen_loc;
206 views::View::ConvertPointToScreen(this, &screen_loc);
207 if (menu_runner_->RunMenuAt(GetWidget(), NULL, gfx::Rect(screen_loc, size()),
208 views::MenuItemView::TOPLEFT, source_type,
209 views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU) ==
210 views::MenuRunner::MENU_DELETED) {
211 return;
214 menu_runner_.reset();
215 SetButtonNotPushed();
216 context_menu_ = NULL;
219 void BrowserActionButton::UpdateState() {
220 int tab_id = delegate_->GetCurrentTabId();
221 if (tab_id < 0)
222 return;
224 SetShowMultipleIconStates(delegate_->NeedToShowMultipleIconStates());
226 if (!IsEnabled(tab_id)) {
227 SetState(views::CustomButton::STATE_DISABLED);
228 } else {
229 SetState(menu_visible_ ?
230 views::CustomButton::STATE_PRESSED :
231 views::CustomButton::STATE_NORMAL);
234 gfx::ImageSkia icon = *icon_factory_.GetIcon(tab_id).ToImageSkia();
236 if (!icon.isNull()) {
237 if (!browser_action()->GetIsVisible(tab_id))
238 icon = gfx::ImageSkiaOperations::CreateTransparentImage(icon, .25);
240 ThemeService* theme =
241 ThemeServiceFactory::GetForProfile(browser_->profile());
243 int background_id = IDR_BROWSER_ACTION;
244 if (extensions::DevModeBubbleController::IsDevModeExtension(extension_))
245 background_id = IDR_BROWSER_ACTION_HIGHLIGHT;
247 gfx::ImageSkia bg = *theme->GetImageSkiaNamed(background_id);
248 SetIcon(gfx::ImageSkiaOperations::CreateSuperimposedImage(bg, icon));
250 gfx::ImageSkia bg_h = *theme->GetImageSkiaNamed(IDR_BROWSER_ACTION_H);
251 SetHoverIcon(gfx::ImageSkiaOperations::CreateSuperimposedImage(bg_h, icon));
253 gfx::ImageSkia bg_p = *theme->GetImageSkiaNamed(IDR_BROWSER_ACTION_P);
254 SetPushedIcon(
255 gfx::ImageSkiaOperations::CreateSuperimposedImage(bg_p, icon));
258 // If the browser action name is empty, show the extension name instead.
259 std::string title = browser_action()->GetTitle(tab_id);
260 base::string16 name =
261 base::UTF8ToUTF16(title.empty() ? extension()->name() : title);
262 SetTooltipText(delegate_->NeedToShowTooltip() ? name : base::string16());
263 SetAccessibleName(name);
265 parent()->SchedulePaint();
268 bool BrowserActionButton::IsPopup() {
269 int tab_id = delegate_->GetCurrentTabId();
270 return (tab_id < 0) ? false : browser_action_->HasPopup(tab_id);
273 GURL BrowserActionButton::GetPopupUrl() {
274 int tab_id = delegate_->GetCurrentTabId();
275 return (tab_id < 0) ? GURL() : browser_action_->GetPopupUrl(tab_id);
278 void BrowserActionButton::Observe(int type,
279 const content::NotificationSource& source,
280 const content::NotificationDetails& details) {
281 switch (type) {
282 case chrome::NOTIFICATION_EXTENSION_BROWSER_ACTION_UPDATED:
283 UpdateState();
284 // The browser action may have become visible/hidden so we need to make
285 // sure the state gets updated.
286 delegate_->OnBrowserActionVisibilityChanged();
287 break;
288 case chrome::NOTIFICATION_EXTENSION_COMMAND_ADDED:
289 case chrome::NOTIFICATION_EXTENSION_COMMAND_REMOVED: {
290 std::pair<const std::string, const std::string>* payload =
291 content::Details<std::pair<const std::string, const std::string> >(
292 details).ptr();
293 if (extension_->id() == payload->first &&
294 payload->second ==
295 extensions::manifest_values::kBrowserActionCommandEvent) {
296 if (type == chrome::NOTIFICATION_EXTENSION_COMMAND_ADDED)
297 MaybeRegisterExtensionCommand();
298 else
299 MaybeUnregisterExtensionCommand(true);
301 break;
303 case chrome::NOTIFICATION_BROWSER_THEME_CHANGED:
304 UpdateState();
305 break;
306 default:
307 NOTREACHED();
308 break;
312 void BrowserActionButton::OnIconUpdated() {
313 UpdateState();
316 bool BrowserActionButton::Activate() {
317 if (!IsPopup())
318 return true;
320 delegate_->OnBrowserActionExecuted(this);
322 // TODO(erikkay): Run a nested modal loop while the mouse is down to
323 // enable menu-like drag-select behavior.
325 // The return value of this method is returned via OnMousePressed.
326 // We need to return false here since we're handing off focus to another
327 // widget/view, and true will grab it right back and try to send events
328 // to us.
329 return false;
332 bool BrowserActionButton::OnMousePressed(const ui::MouseEvent& event) {
333 if (!event.IsRightMouseButton()) {
334 return IsPopup() ? MenuButton::OnMousePressed(event) :
335 TextButton::OnMousePressed(event);
338 if (!views::View::ShouldShowContextMenuOnMousePress()) {
339 // See comments in MenuButton::Activate() as to why this is needed.
340 SetMouseHandler(NULL);
342 ShowContextMenu(gfx::Point(), ui::MENU_SOURCE_MOUSE);
344 return false;
347 void BrowserActionButton::OnMouseReleased(const ui::MouseEvent& event) {
348 if (IsPopup() || context_menu_) {
349 // TODO(erikkay) this never actually gets called (probably because of the
350 // loss of focus).
351 MenuButton::OnMouseReleased(event);
352 } else {
353 TextButton::OnMouseReleased(event);
357 void BrowserActionButton::OnMouseExited(const ui::MouseEvent& event) {
358 if (IsPopup() || context_menu_)
359 MenuButton::OnMouseExited(event);
360 else
361 TextButton::OnMouseExited(event);
364 bool BrowserActionButton::OnKeyReleased(const ui::KeyEvent& event) {
365 return IsPopup() ? MenuButton::OnKeyReleased(event) :
366 TextButton::OnKeyReleased(event);
369 void BrowserActionButton::OnGestureEvent(ui::GestureEvent* event) {
370 if (IsPopup())
371 MenuButton::OnGestureEvent(event);
372 else
373 TextButton::OnGestureEvent(event);
376 bool BrowserActionButton::AcceleratorPressed(
377 const ui::Accelerator& accelerator) {
378 delegate_->OnBrowserActionExecuted(this);
379 return true;
382 void BrowserActionButton::SetButtonPushed() {
383 SetState(views::CustomButton::STATE_PRESSED);
384 menu_visible_ = true;
387 void BrowserActionButton::SetButtonNotPushed() {
388 SetState(views::CustomButton::STATE_NORMAL);
389 menu_visible_ = false;
392 bool BrowserActionButton::IsEnabled(int tab_id) const {
393 return browser_action_->GetIsVisible(tab_id);
396 gfx::ImageSkia BrowserActionButton::GetIconForTest() {
397 return icon();
400 BrowserActionButton::~BrowserActionButton() {
403 void BrowserActionButton::MaybeRegisterExtensionCommand() {
404 extensions::CommandService* command_service =
405 extensions::CommandService::Get(browser_->profile());
406 extensions::Command browser_action_command;
407 if (command_service->GetBrowserActionCommand(
408 extension_->id(),
409 extensions::CommandService::ACTIVE_ONLY,
410 &browser_action_command,
411 NULL)) {
412 keybinding_.reset(new ui::Accelerator(
413 browser_action_command.accelerator()));
414 GetFocusManager()->RegisterAccelerator(
415 *keybinding_.get(), ui::AcceleratorManager::kHighPriority, this);
419 void BrowserActionButton::MaybeUnregisterExtensionCommand(bool only_if_active) {
420 if (!keybinding_.get() || !GetFocusManager())
421 return;
423 extensions::CommandService* command_service =
424 extensions::CommandService::Get(browser_->profile());
426 extensions::Command browser_action_command;
427 if (!only_if_active || !command_service->GetBrowserActionCommand(
428 extension_->id(),
429 extensions::CommandService::ACTIVE_ONLY,
430 &browser_action_command,
431 NULL)) {
432 GetFocusManager()->UnregisterAccelerator(*keybinding_.get(), this);
433 keybinding_.reset(NULL);