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Unified Diff: chrome/browser/ui/gtk/tabs/tab_renderer_gtk.cc

Issue 231733005: Delete the GTK+ port of Chrome. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Remerge to ToT Created 6 years, 8 months ago
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Index: chrome/browser/ui/gtk/tabs/tab_renderer_gtk.cc
diff --git a/chrome/browser/ui/gtk/tabs/tab_renderer_gtk.cc b/chrome/browser/ui/gtk/tabs/tab_renderer_gtk.cc
deleted file mode 100644
index 2381ac889ea7a87172d3e246e355f20167da4a63..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/gtk/tabs/tab_renderer_gtk.cc
+++ /dev/null
@@ -1,1206 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/ui/gtk/tabs/tab_renderer_gtk.h"
-
-#include <algorithm>
-#include <utility>
-
-#include "base/debug/trace_event.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/defaults.h"
-#include "chrome/browser/extensions/tab_helper.h"
-#include "chrome/browser/favicon/favicon_tab_helper.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/themes/theme_properties.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/gtk/bookmarks/bookmark_utils_gtk.h"
-#include "chrome/browser/ui/gtk/custom_button.h"
-#include "chrome/browser/ui/gtk/gtk_theme_service.h"
-#include "chrome/browser/ui/gtk/gtk_util.h"
-#include "chrome/browser/ui/tab_contents/core_tab_helper.h"
-#include "chrome/browser/ui/tabs/tab_utils.h"
-#include "content/public/browser/notification_source.h"
-#include "content/public/browser/web_contents.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "grit/ui_resources.h"
-#include "skia/ext/image_operations.h"
-#include "ui/base/gtk/gtk_screen_util.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/animation/slide_animation.h"
-#include "ui/gfx/animation/throb_animation.h"
-#include "ui/gfx/canvas_skia_paint.h"
-#include "ui/gfx/favicon_size.h"
-#include "ui/gfx/gtk_compat.h"
-#include "ui/gfx/gtk_util.h"
-#include "ui/gfx/image/cairo_cached_surface.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/pango_util.h"
-#include "ui/gfx/platform_font_pango.h"
-#include "ui/gfx/skbitmap_operations.h"
-
-using content::WebContents;
-
-namespace {
-
-const int kFontPixelSize = 12;
-const int kLeftPadding = 16;
-const int kTopPadding = 6;
-const int kRightPadding = 15;
-const int kBottomPadding = 5;
-const int kFaviconTitleSpacing = 4;
-const int kTitleCloseButtonSpacing = 5;
-const int kStandardTitleWidth = 175;
-const int kDropShadowOffset = 2;
-const int kInactiveTabBackgroundOffsetY = 15;
-
-// When a non-mini-tab becomes a mini-tab the width of the tab animates. If
-// the width of a mini-tab is >= kMiniTabRendererAsNormalTabWidth then the tab
-// is rendered as a normal tab. This is done to avoid having the title
-// immediately disappear when transitioning a tab from normal to mini-tab.
-const int kMiniTabRendererAsNormalTabWidth =
- browser_defaults::kMiniTabWidth + 30;
-
-// The tab images are designed to overlap the toolbar by 1 pixel. For now we
-// don't actually overlap the toolbar, so this is used to know how many pixels
-// at the bottom of the tab images are to be ignored.
-const int kToolbarOverlap = 1;
-
-// How long the hover state takes.
-const int kHoverDurationMs = 90;
-
-// How opaque to make the hover state (out of 1).
-const double kHoverOpacity = 0.33;
-
-// Opacity for non-active selected tabs.
-const double kSelectedTabOpacity = 0.45;
-
-// Selected (but not active) tabs have their throb value scaled down by this.
-const double kSelectedTabThrobScale = 0.5;
-
-// Max opacity for the mini-tab title change animation.
-const double kMiniTitleChangeThrobOpacity = 0.75;
-
-// Duration for when the title of an inactive mini-tab changes.
-const int kMiniTitleChangeThrobDuration = 1000;
-
-// The horizontal offset used to position the close button in the tab.
-const int kCloseButtonHorzFuzz = 4;
-
-// Gets the bounds of |widget| relative to |parent|.
-gfx::Rect GetWidgetBoundsRelativeToParent(GtkWidget* parent,
- GtkWidget* widget) {
- gfx::Rect bounds = ui::GetWidgetScreenBounds(widget);
- bounds.Offset(-ui::GetWidgetScreenOffset(parent));
- return bounds;
-}
-
-// Returns a GdkPixbuf after resizing the SkBitmap as necessary to the
-// specified desired width and height. Caller must g_object_unref the returned
-// pixbuf when no longer used.
-GdkPixbuf* GetResizedGdkPixbufFromSkBitmap(const SkBitmap& bitmap,
- int dest_w,
- int dest_h) {
- float float_dest_w = static_cast<float>(dest_w);
- float float_dest_h = static_cast<float>(dest_h);
- int bitmap_w = bitmap.width();
- int bitmap_h = bitmap.height();
-
- // Scale proportionately.
- float scale = std::min(float_dest_w / bitmap_w,
- float_dest_h / bitmap_h);
- int final_dest_w = static_cast<int>(bitmap_w * scale);
- int final_dest_h = static_cast<int>(bitmap_h * scale);
-
- GdkPixbuf* pixbuf;
- if (final_dest_w == bitmap_w && final_dest_h == bitmap_h) {
- pixbuf = gfx::GdkPixbufFromSkBitmap(bitmap);
- } else {
- SkBitmap resized_icon = skia::ImageOperations::Resize(
- bitmap,
- skia::ImageOperations::RESIZE_BETTER,
- final_dest_w, final_dest_h);
- pixbuf = gfx::GdkPixbufFromSkBitmap(resized_icon);
- }
- return pixbuf;
-}
-
-} // namespace
-
-TabRendererGtk::LoadingAnimation::Data::Data(
- GtkThemeService* theme_service) {
- // The loading animation image is a strip of states. Each state must be
- // square, so the height must divide the width evenly.
- SkBitmap loading_animation_frames =
- theme_service->GetImageNamed(IDR_THROBBER).AsBitmap();
- DCHECK(!loading_animation_frames.isNull());
- DCHECK_EQ(loading_animation_frames.width() %
- loading_animation_frames.height(), 0);
- loading_animation_frame_count =
- loading_animation_frames.width() /
- loading_animation_frames.height();
-
- SkBitmap waiting_animation_frames =
- theme_service->GetImageNamed(IDR_THROBBER_WAITING).AsBitmap();
- DCHECK(!waiting_animation_frames.isNull());
- DCHECK_EQ(waiting_animation_frames.width() %
- waiting_animation_frames.height(), 0);
- waiting_animation_frame_count =
- waiting_animation_frames.width() /
- waiting_animation_frames.height();
-
- waiting_to_loading_frame_count_ratio =
- waiting_animation_frame_count /
- loading_animation_frame_count;
- // TODO(beng): eventually remove this when we have a proper themeing system.
- // themes not supporting IDR_THROBBER_WAITING are causing this
- // value to be 0 which causes DIV0 crashes. The value of 5
- // matches the current bitmaps in our source.
- if (waiting_to_loading_frame_count_ratio == 0)
- waiting_to_loading_frame_count_ratio = 5;
-}
-
-TabRendererGtk::LoadingAnimation::Data::Data(
- int loading, int waiting, int waiting_to_loading)
- : loading_animation_frame_count(loading),
- waiting_animation_frame_count(waiting),
- waiting_to_loading_frame_count_ratio(waiting_to_loading) {
-}
-
-bool TabRendererGtk::initialized_ = false;
-int TabRendererGtk::tab_active_l_width_ = 0;
-int TabRendererGtk::tab_active_l_height_ = 0;
-int TabRendererGtk::tab_inactive_l_height_ = 0;
-gfx::Font* TabRendererGtk::title_font_ = NULL;
-int TabRendererGtk::title_font_height_ = 0;
-int TabRendererGtk::close_button_width_ = 0;
-int TabRendererGtk::close_button_height_ = 0;
-
-////////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk::LoadingAnimation, public:
-//
-TabRendererGtk::LoadingAnimation::LoadingAnimation(
- GtkThemeService* theme_service)
- : data_(new Data(theme_service)),
- theme_service_(theme_service),
- animation_state_(ANIMATION_NONE),
- animation_frame_(0) {
- registrar_.Add(this,
- chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
- content::Source<ThemeService>(theme_service_));
-}
-
-TabRendererGtk::LoadingAnimation::LoadingAnimation(
- const LoadingAnimation::Data& data)
- : data_(new Data(data)),
- theme_service_(NULL),
- animation_state_(ANIMATION_NONE),
- animation_frame_(0) {
-}
-
-TabRendererGtk::LoadingAnimation::~LoadingAnimation() {}
-
-bool TabRendererGtk::LoadingAnimation::ValidateLoadingAnimation(
- AnimationState animation_state) {
- bool has_changed = false;
- if (animation_state_ != animation_state) {
- // The waiting animation is the reverse of the loading animation, but at a
- // different rate - the following reverses and scales the animation_frame_
- // so that the frame is at an equivalent position when going from one
- // animation to the other.
- if (animation_state_ == ANIMATION_WAITING &&
- animation_state == ANIMATION_LOADING) {
- animation_frame_ = data_->loading_animation_frame_count -
- (animation_frame_ / data_->waiting_to_loading_frame_count_ratio);
- }
- animation_state_ = animation_state;
- has_changed = true;
- }
-
- if (animation_state_ != ANIMATION_NONE) {
- animation_frame_ = (animation_frame_ + 1) %
- ((animation_state_ == ANIMATION_WAITING) ?
- data_->waiting_animation_frame_count :
- data_->loading_animation_frame_count);
- has_changed = true;
- } else {
- animation_frame_ = 0;
- }
- return has_changed;
-}
-
-void TabRendererGtk::LoadingAnimation::Observe(
- int type,
- const content::NotificationSource& source,
- const content::NotificationDetails& details) {
- DCHECK(type == chrome::NOTIFICATION_BROWSER_THEME_CHANGED);
- data_.reset(new Data(theme_service_));
-}
-
-TabRendererGtk::TabData::TabData()
- : is_default_favicon(false),
- loading(false),
- crashed(false),
- incognito(false),
- show_icon(true),
- mini(false),
- blocked(false),
- animating_mini_change(false),
- app(false),
- media_state(TAB_MEDIA_STATE_NONE),
- previous_media_state(TAB_MEDIA_STATE_NONE) {
-}
-
-TabRendererGtk::TabData::~TabData() {}
-
-////////////////////////////////////////////////////////////////////////////////
-// FaviconCrashAnimation
-//
-// A custom animation subclass to manage the favicon crash animation.
-class TabRendererGtk::FaviconCrashAnimation : public gfx::LinearAnimation,
- public gfx::AnimationDelegate {
- public:
- explicit FaviconCrashAnimation(TabRendererGtk* target)
- : gfx::LinearAnimation(1000, 25, this),
- target_(target) {
- }
- virtual ~FaviconCrashAnimation() {}
-
- // gfx::Animation overrides:
- virtual void AnimateToState(double state) OVERRIDE {
- const double kHidingOffset = 27;
-
- if (state < .5) {
- target_->SetFaviconHidingOffset(
- static_cast<int>(floor(kHidingOffset * 2.0 * state)));
- } else {
- target_->DisplayCrashedFavicon();
- target_->SetFaviconHidingOffset(
- static_cast<int>(
- floor(kHidingOffset - ((state - .5) * 2.0 * kHidingOffset))));
- }
- }
-
- // gfx::AnimationDelegate overrides:
- virtual void AnimationCanceled(const gfx::Animation* animation) OVERRIDE {
- target_->SetFaviconHidingOffset(0);
- }
-
- private:
- TabRendererGtk* target_;
-
- DISALLOW_COPY_AND_ASSIGN(FaviconCrashAnimation);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk, public:
-
-TabRendererGtk::TabRendererGtk(GtkThemeService* theme_service)
- : showing_icon_(false),
- showing_media_indicator_(false),
- showing_close_button_(false),
- favicon_hiding_offset_(0),
- should_display_crashed_favicon_(false),
- animating_media_state_(TAB_MEDIA_STATE_NONE),
- loading_animation_(theme_service),
- background_offset_x_(0),
- background_offset_y_(kInactiveTabBackgroundOffsetY),
- theme_service_(theme_service),
- close_button_color_(0),
- is_active_(false),
- selected_title_color_(SK_ColorBLACK),
- unselected_title_color_(SkColorSetRGB(64, 64, 64)) {
- InitResources();
-
- theme_service_->InitThemesFor(this);
- registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
- content::Source<ThemeService>(theme_service_));
-
- tab_.Own(gtk_fixed_new());
- gtk_widget_set_app_paintable(tab_.get(), TRUE);
- g_signal_connect(tab_.get(), "expose-event",
- G_CALLBACK(OnExposeEventThunk), this);
- g_signal_connect(tab_.get(), "size-allocate",
- G_CALLBACK(OnSizeAllocateThunk), this);
- close_button_.reset(MakeCloseButton());
- gtk_widget_show(tab_.get());
-
- hover_animation_.reset(new gfx::SlideAnimation(this));
- hover_animation_->SetSlideDuration(kHoverDurationMs);
-}
-
-TabRendererGtk::~TabRendererGtk() {
- tab_.Destroy();
-}
-
-void TabRendererGtk::Observe(int type,
- const content::NotificationSource& source,
- const content::NotificationDetails& details) {
- DCHECK(chrome::NOTIFICATION_BROWSER_THEME_CHANGED);
- selected_title_color_ =
- theme_service_->GetColor(ThemeProperties::COLOR_TAB_TEXT);
- unselected_title_color_ =
- theme_service_->GetColor(ThemeProperties::COLOR_BACKGROUND_TAB_TEXT);
-}
-
-void TabRendererGtk::UpdateData(WebContents* contents,
- bool app,
- bool loading_only) {
- DCHECK(contents);
- FaviconTabHelper* favicon_tab_helper =
- FaviconTabHelper::FromWebContents(contents);
-
- if (!loading_only) {
- data_.title = contents->GetTitle();
- data_.incognito = contents->GetBrowserContext()->IsOffTheRecord();
-
- TabMediaState next_media_state;
- if (contents->IsCrashed()) {
- data_.crashed = true;
- next_media_state = TAB_MEDIA_STATE_NONE;
- } else {
- data_.crashed = false;
- next_media_state = chrome::GetTabMediaStateForContents(contents);
- }
- if (data_.media_state != next_media_state) {
- data_.previous_media_state = data_.media_state;
- data_.media_state = next_media_state;
- }
-
- data_.favicon = favicon_tab_helper->GetFavicon().AsBitmap();
- data_.app = app;
-
- // Make a cairo cached version of the favicon.
- if (!data_.favicon.isNull()) {
- // Instead of resizing the icon during each frame, create our resized
- // icon resource now, send it to the xserver and use that each frame
- // instead.
-
- // For source images smaller than the favicon square, scale them as if
- // they were padded to fit the favicon square, so we don't blow up tiny
- // favicons into larger or nonproportional results.
- GdkPixbuf* pixbuf = GetResizedGdkPixbufFromSkBitmap(data_.favicon,
- gfx::kFaviconSize, gfx::kFaviconSize);
- data_.cairo_favicon.UsePixbuf(pixbuf);
- g_object_unref(pixbuf);
- } else {
- data_.cairo_favicon.Reset();
- }
-
- // This is kind of a hacky way to determine whether our icon is the default
- // favicon. But the plumbing that would be necessary to do it right would
- // be a good bit of work and would sully code for other platforms which
- // don't care to custom-theme the favicon. Hopefully the default favicon
- // will eventually be chromium-themable and this code will go away.
- data_.is_default_favicon =
- (data_.favicon.pixelRef() ==
- ui::ResourceBundle::GetSharedInstance().GetImageNamed(
- IDR_DEFAULT_FAVICON).AsBitmap().pixelRef());
- }
-
- // Loading state also involves whether we show the favicon, since that's where
- // we display the throbber.
- data_.loading = contents->IsLoading();
- data_.show_icon = favicon_tab_helper->ShouldDisplayFavicon();
-}
-
-void TabRendererGtk::UpdateFromModel() {
- // Force a layout, since the tab may have grown a favicon.
- Layout();
- SchedulePaint();
-
- if (data_.crashed) {
- if (!should_display_crashed_favicon_ && !IsPerformingCrashAnimation())
- StartCrashAnimation();
- } else {
- if (IsPerformingCrashAnimation())
- StopCrashAnimation();
- ResetCrashedFavicon();
- }
-
- if (data_.media_state != data_.previous_media_state) {
- data_.previous_media_state = data_.media_state;
- if (data_.media_state != TAB_MEDIA_STATE_NONE)
- animating_media_state_ = data_.media_state;
- StartMediaIndicatorAnimation();
- }
-}
-
-void TabRendererGtk::SetBlocked(bool blocked) {
- if (data_.blocked == blocked)
- return;
- data_.blocked = blocked;
- // TODO(zelidrag) bug 32399: Make tabs pulse on Linux as well.
-}
-
-bool TabRendererGtk::is_blocked() const {
- return data_.blocked;
-}
-
-bool TabRendererGtk::IsActive() const {
- return is_active_;
-}
-
-bool TabRendererGtk::IsSelected() const {
- return true;
-}
-
-bool TabRendererGtk::IsVisible() const {
- return gtk_widget_get_visible(tab_.get());
-}
-
-void TabRendererGtk::SetVisible(bool visible) const {
- if (visible) {
- gtk_widget_show(tab_.get());
- if (data_.mini)
- gtk_widget_show(close_button_->widget());
- } else {
- gtk_widget_hide_all(tab_.get());
- }
-}
-
-bool TabRendererGtk::ValidateLoadingAnimation(AnimationState animation_state) {
- return loading_animation_.ValidateLoadingAnimation(animation_state);
-}
-
-void TabRendererGtk::PaintFaviconArea(GtkWidget* widget, cairo_t* cr) {
- DCHECK(ShouldShowIcon());
-
- cairo_rectangle(cr,
- x() + favicon_bounds_.x(),
- y() + favicon_bounds_.y(),
- favicon_bounds_.width(),
- favicon_bounds_.height());
- cairo_clip(cr);
-
- // The tab is rendered into a windowless widget whose offset is at the
- // coordinate event->area. Translate by these offsets so we can render at
- // (0,0) to match Windows' rendering metrics.
- cairo_matrix_t cairo_matrix;
- cairo_matrix_init_translate(&cairo_matrix, x(), y());
- cairo_set_matrix(cr, &cairo_matrix);
-
- // Which background should we be painting?
- int theme_id;
- int offset_y = 0;
- if (IsActive()) {
- theme_id = IDR_THEME_TOOLBAR;
- } else {
- theme_id = data_.incognito ? IDR_THEME_TAB_BACKGROUND_INCOGNITO :
- IDR_THEME_TAB_BACKGROUND;
-
- if (!theme_service_->HasCustomImage(theme_id))
- offset_y = background_offset_y_;
- }
-
- // Paint the background behind the favicon.
- const gfx::Image tab_bg = theme_service_->GetImageNamed(theme_id);
- tab_bg.ToCairo()->SetSource(cr, widget, -x(), -offset_y);
- cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT);
- cairo_rectangle(cr,
- favicon_bounds_.x(), favicon_bounds_.y(),
- favicon_bounds_.width(), favicon_bounds_.height());
- cairo_fill(cr);
-
- if (!IsActive()) {
- double throb_value = GetThrobValue();
- if (throb_value > 0) {
- cairo_push_group(cr);
- gfx::Image active_bg =
- theme_service_->GetImageNamed(IDR_THEME_TOOLBAR);
- active_bg.ToCairo()->SetSource(cr, widget, -x(), 0);
- cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT);
-
- cairo_rectangle(cr,
- favicon_bounds_.x(), favicon_bounds_.y(),
- favicon_bounds_.width(), favicon_bounds_.height());
- cairo_fill(cr);
-
- cairo_pop_group_to_source(cr);
- cairo_paint_with_alpha(cr, throb_value);
- }
- }
-
- PaintIcon(widget, cr);
-}
-
-void TabRendererGtk::MaybeAdjustLeftForMiniTab(gfx::Rect* icon_bounds) const {
- if (!(mini() || data_.animating_mini_change) ||
- bounds_.width() >= kMiniTabRendererAsNormalTabWidth)
- return;
- const int mini_delta = kMiniTabRendererAsNormalTabWidth - GetMiniWidth();
- const int ideal_delta = bounds_.width() - GetMiniWidth();
- const int ideal_x = (GetMiniWidth() - icon_bounds->width()) / 2;
- icon_bounds->set_x(icon_bounds->x() + static_cast<int>(
- (1 - static_cast<float>(ideal_delta) / static_cast<float>(mini_delta)) *
- (ideal_x - icon_bounds->x())));
-}
-
-// static
-gfx::Size TabRendererGtk::GetMinimumUnselectedSize() {
- InitResources();
-
- gfx::Size minimum_size;
- minimum_size.set_width(kLeftPadding + kRightPadding);
- // Since we use bitmap images, the real minimum height of the image is
- // defined most accurately by the height of the end cap images.
- minimum_size.set_height(tab_active_l_height_ - kToolbarOverlap);
- return minimum_size;
-}
-
-// static
-gfx::Size TabRendererGtk::GetMinimumSelectedSize() {
- gfx::Size minimum_size = GetMinimumUnselectedSize();
- minimum_size.set_width(kLeftPadding + gfx::kFaviconSize + kRightPadding);
- return minimum_size;
-}
-
-// static
-gfx::Size TabRendererGtk::GetStandardSize() {
- gfx::Size standard_size = GetMinimumUnselectedSize();
- standard_size.Enlarge(kFaviconTitleSpacing + kStandardTitleWidth, 0);
- return standard_size;
-}
-
-// static
-int TabRendererGtk::GetMiniWidth() {
- return browser_defaults::kMiniTabWidth;
-}
-
-// static
-int TabRendererGtk::GetContentHeight() {
- // The height of the content of the Tab is the largest of the favicon,
- // the title text and the close button graphic.
- int content_height = std::max(gfx::kFaviconSize, title_font_height_);
- return std::max(content_height, close_button_height_);
-}
-
-gfx::Rect TabRendererGtk::GetNonMirroredBounds(GtkWidget* parent) const {
- // The tabstrip widget is a windowless widget so the tab widget's allocation
- // is relative to the browser titlebar. We need the bounds relative to the
- // tabstrip.
- gfx::Rect bounds = GetWidgetBoundsRelativeToParent(parent, widget());
- bounds.set_x(gtk_util::MirroredLeftPointForRect(parent, bounds));
- return bounds;
-}
-
-gfx::Rect TabRendererGtk::GetRequisition() const {
- return gfx::Rect(requisition_.x(), requisition_.y(),
- requisition_.width(), requisition_.height());
-}
-
-void TabRendererGtk::StartMiniTabTitleAnimation() {
- if (!mini_title_animation_.get()) {
- mini_title_animation_.reset(new gfx::ThrobAnimation(this));
- mini_title_animation_->SetThrobDuration(kMiniTitleChangeThrobDuration);
- }
-
- if (!mini_title_animation_->is_animating())
- mini_title_animation_->StartThrobbing(-1);
-}
-
-void TabRendererGtk::StopMiniTabTitleAnimation() {
- if (mini_title_animation_.get())
- mini_title_animation_->Stop();
-}
-
-void TabRendererGtk::SetBounds(const gfx::Rect& bounds) {
- requisition_ = bounds;
- gtk_widget_set_size_request(tab_.get(), bounds.width(), bounds.height());
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk, protected:
-
-void TabRendererGtk::Raise() const {
- if (gtk_button_get_event_window(GTK_BUTTON(close_button_->widget())))
- gdk_window_raise(gtk_button_get_event_window(
- GTK_BUTTON(close_button_->widget())));
-}
-
-base::string16 TabRendererGtk::GetTitle() const {
- return data_.title;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk, gfx::AnimationDelegate implementation:
-
-void TabRendererGtk::AnimationProgressed(const gfx::Animation* animation) {
- gtk_widget_queue_draw(tab_.get());
-}
-
-void TabRendererGtk::AnimationCanceled(const gfx::Animation* animation) {
- if (media_indicator_animation_ == animation)
- animating_media_state_ = data_.media_state;
- AnimationEnded(animation);
-}
-
-void TabRendererGtk::AnimationEnded(const gfx::Animation* animation) {
- if (media_indicator_animation_ == animation)
- animating_media_state_ = data_.media_state;
- gtk_widget_queue_draw(tab_.get());
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk, private:
-
-void TabRendererGtk::StartCrashAnimation() {
- if (!crash_animation_.get())
- crash_animation_.reset(new FaviconCrashAnimation(this));
- crash_animation_->Stop();
- crash_animation_->Start();
-}
-
-void TabRendererGtk::StopCrashAnimation() {
- if (!crash_animation_.get())
- return;
- crash_animation_->Stop();
-}
-
-bool TabRendererGtk::IsPerformingCrashAnimation() const {
- return crash_animation_.get() && crash_animation_->is_animating();
-}
-
-void TabRendererGtk::StartMediaIndicatorAnimation() {
- media_indicator_animation_ =
- chrome::CreateTabMediaIndicatorFadeAnimation(data_.media_state);
- media_indicator_animation_->set_delegate(this);
- media_indicator_animation_->Start();
-}
-
-void TabRendererGtk::SetFaviconHidingOffset(int offset) {
- favicon_hiding_offset_ = offset;
- SchedulePaint();
-}
-
-void TabRendererGtk::DisplayCrashedFavicon() {
- should_display_crashed_favicon_ = true;
-}
-
-void TabRendererGtk::ResetCrashedFavicon() {
- should_display_crashed_favicon_ = false;
-}
-
-void TabRendererGtk::Paint(GtkWidget* widget, cairo_t* cr) {
- // Don't paint if we're narrower than we can render correctly. (This should
- // only happen during animations).
- if (width() < GetMinimumUnselectedSize().width() && !mini())
- return;
-
- // See if the model changes whether the icons should be painted.
- const bool show_icon = ShouldShowIcon();
- const bool show_media_indicator = ShouldShowMediaIndicator();
- const bool show_close_button = ShouldShowCloseBox();
- if (show_icon != showing_icon_ ||
- show_media_indicator != showing_media_indicator_ ||
- show_close_button != showing_close_button_)
- Layout();
-
- PaintTabBackground(widget, cr);
-
- if (!mini() || width() > kMiniTabRendererAsNormalTabWidth)
- PaintTitle(widget, cr);
-
- if (show_icon)
- PaintIcon(widget, cr);
-
- if (show_media_indicator)
- PaintMediaIndicator(widget, cr);
-}
-
-cairo_surface_t* TabRendererGtk::PaintToSurface(GtkWidget* widget,
- cairo_t* cr) {
- cairo_surface_t* target = cairo_get_target(cr);
- cairo_surface_t* out_surface = cairo_surface_create_similar(
- target,
- CAIRO_CONTENT_COLOR_ALPHA,
- width(), height());
-
- cairo_t* out_cr = cairo_create(out_surface);
- Paint(widget, out_cr);
- cairo_destroy(out_cr);
-
- return out_surface;
-}
-
-void TabRendererGtk::SchedulePaint() {
- gtk_widget_queue_draw(tab_.get());
-}
-
-gfx::Rect TabRendererGtk::GetLocalBounds() {
- return gfx::Rect(0, 0, bounds_.width(), bounds_.height());
-}
-
-void TabRendererGtk::Layout() {
- gfx::Rect local_bounds = GetLocalBounds();
- if (local_bounds.IsEmpty())
- return;
- local_bounds.Inset(kLeftPadding, kTopPadding, kRightPadding, kBottomPadding);
-
- // Figure out who is tallest.
- int content_height = GetContentHeight();
-
- // Size the Favicon.
- showing_icon_ = ShouldShowIcon();
- if (showing_icon_) {
- int favicon_top = kTopPadding + (content_height - gfx::kFaviconSize) / 2;
- favicon_bounds_.SetRect(local_bounds.x(), favicon_top,
- gfx::kFaviconSize, gfx::kFaviconSize);
- MaybeAdjustLeftForMiniTab(&favicon_bounds_);
- } else {
- favicon_bounds_.SetRect(local_bounds.x(), local_bounds.y(), 0, 0);
- }
-
- // Size the Close button.
- showing_close_button_ = ShouldShowCloseBox();
- if (showing_close_button_) {
- int close_button_top = kTopPadding +
- (content_height - close_button_height_) / 2;
- int close_button_left =
- local_bounds.right() - close_button_width_ + kCloseButtonHorzFuzz;
- close_button_bounds_.SetRect(close_button_left,
- close_button_top,
- close_button_width_,
- close_button_height_);
-
- // If the close button color has changed, generate a new one.
- if (theme_service_) {
- SkColor tab_text_color =
- theme_service_->GetColor(ThemeProperties::COLOR_TAB_TEXT);
- if (!close_button_color_ || tab_text_color != close_button_color_) {
- close_button_color_ = tab_text_color;
- ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
- close_button_->SetBackground(close_button_color_,
- rb.GetImageNamed(IDR_CLOSE_1).AsBitmap(),
- rb.GetImageNamed(IDR_CLOSE_1_MASK).AsBitmap());
- }
- }
- } else {
- close_button_bounds_.SetRect(0, 0, 0, 0);
- }
-
- showing_media_indicator_ = ShouldShowMediaIndicator();
- if (showing_media_indicator_) {
- const gfx::Image& media_indicator_image =
- chrome::GetTabMediaIndicatorImage(animating_media_state_);
- media_indicator_bounds_.set_width(media_indicator_image.Width());
- media_indicator_bounds_.set_height(media_indicator_image.Height());
- media_indicator_bounds_.set_y(
- kTopPadding + (content_height - media_indicator_bounds_.height()) / 2);
- const int right = showing_close_button_ ?
- close_button_bounds_.x() : local_bounds.right();
- media_indicator_bounds_.set_x(std::max(
- local_bounds.x(), right - media_indicator_bounds_.width()));
- MaybeAdjustLeftForMiniTab(&media_indicator_bounds_);
- } else {
- media_indicator_bounds_.SetRect(local_bounds.x(), local_bounds.y(), 0, 0);
- }
-
- if (!mini() || width() >= kMiniTabRendererAsNormalTabWidth) {
- // Size the Title text to fill the remaining space.
- int title_left = favicon_bounds_.right() + kFaviconTitleSpacing;
- int title_top = kTopPadding;
-
- // If the user has big fonts, the title will appear rendered too far down
- // on the y-axis if we use the regular top padding, so we need to adjust it
- // so that the text appears centered.
- gfx::Size minimum_size = GetMinimumUnselectedSize();
- int text_height = title_top + title_font_height_ + kBottomPadding;
- if (text_height > minimum_size.height())
- title_top -= (text_height - minimum_size.height()) / 2;
-
- int title_width;
- if (showing_media_indicator_) {
- title_width = media_indicator_bounds_.x() - kTitleCloseButtonSpacing -
- title_left;
- } else if (close_button_bounds_.width() && close_button_bounds_.height()) {
- title_width = close_button_bounds_.x() - kTitleCloseButtonSpacing -
- title_left;
- } else {
- title_width = local_bounds.width() - title_left;
- }
- title_width = std::max(title_width, 0);
- title_bounds_.SetRect(title_left, title_top, title_width, content_height);
- }
-
- favicon_bounds_.set_x(
- gtk_util::MirroredLeftPointForRect(tab_.get(), favicon_bounds_));
- media_indicator_bounds_.set_x(
- gtk_util::MirroredLeftPointForRect(tab_.get(), media_indicator_bounds_));
- close_button_bounds_.set_x(
- gtk_util::MirroredLeftPointForRect(tab_.get(), close_button_bounds_));
- title_bounds_.set_x(
- gtk_util::MirroredLeftPointForRect(tab_.get(), title_bounds_));
-
- MoveCloseButtonWidget();
-}
-
-void TabRendererGtk::MoveCloseButtonWidget() {
- if (!close_button_bounds_.IsEmpty()) {
- gtk_fixed_move(GTK_FIXED(tab_.get()), close_button_->widget(),
- close_button_bounds_.x(), close_button_bounds_.y());
- gtk_widget_show(close_button_->widget());
- } else {
- gtk_widget_hide(close_button_->widget());
- }
-}
-
-void TabRendererGtk::PaintTab(GtkWidget* widget, GdkEventExpose* event) {
- cairo_t* cr = gdk_cairo_create(gtk_widget_get_window(widget));
- gdk_cairo_rectangle(cr, &event->area);
- cairo_clip(cr);
-
- // The tab is rendered into a windowless widget whose offset is at the
- // coordinate event->area. Translate by these offsets so we can render at
- // (0,0) to match Windows' rendering metrics.
- cairo_matrix_t cairo_matrix;
- cairo_matrix_init_translate(&cairo_matrix, event->area.x, event->area.y);
- cairo_set_matrix(cr, &cairo_matrix);
-
- // Save the original x offset so we can position background images properly.
- background_offset_x_ = event->area.x;
-
- Paint(widget, cr);
- cairo_destroy(cr);
-}
-
-void TabRendererGtk::PaintTitle(GtkWidget* widget, cairo_t* cr) {
- if (title_bounds_.IsEmpty())
- return;
-
- // Paint the Title.
- base::string16 title = data_.title;
- if (title.empty()) {
- title = data_.loading ?
- l10n_util::GetStringUTF16(IDS_TAB_LOADING_TITLE) :
- CoreTabHelper::GetDefaultTitle();
- } else {
- Browser::FormatTitleForDisplay(&title);
- }
-
- GtkAllocation allocation;
- gtk_widget_get_allocation(widget, &allocation);
- gfx::Rect bounds(allocation);
-
- // Draw the text directly onto the Cairo context. This is necessary for
- // getting the draw order correct, and automatically applying transformations
- // such as scaling when a tab is detached.
- gfx::CanvasSkiaPaintCairo canvas(cr, bounds.size(), true);
-
- SkColor title_color = IsSelected() ? selected_title_color_
- : unselected_title_color_;
-
- // Disable subpixel rendering. This does not work because the canvas has a
- // transparent background.
- int flags = gfx::Canvas::NO_ELLIPSIS | gfx::Canvas::NO_SUBPIXEL_RENDERING;
- canvas.DrawFadeTruncatingStringRectWithFlags(
- title, gfx::Canvas::TruncateFadeTail, gfx::FontList(*title_font_),
- title_color, title_bounds_, flags);
-}
-
-void TabRendererGtk::PaintIcon(GtkWidget* widget, cairo_t* cr) {
- if (loading_animation_.animation_state() != ANIMATION_NONE) {
- PaintLoadingAnimation(widget, cr);
- return;
- }
-
- gfx::CairoCachedSurface* to_display = NULL;
- if (should_display_crashed_favicon_) {
- to_display = theme_service_->GetImageNamed(IDR_SAD_FAVICON).ToCairo();
- } else if (!data_.favicon.isNull()) {
- if (data_.is_default_favicon && theme_service_->UsingNativeTheme()) {
- to_display = GtkThemeService::GetDefaultFavicon(true).ToCairo();
- } else if (data_.cairo_favicon.valid()) {
- to_display = &data_.cairo_favicon;
- }
- }
-
- if (to_display) {
- to_display->SetSource(cr, widget, favicon_bounds_.x(),
- favicon_bounds_.y() + favicon_hiding_offset_);
- cairo_paint(cr);
- }
-}
-
-void TabRendererGtk::PaintMediaIndicator(GtkWidget* widget, cairo_t* cr) {
- if (media_indicator_bounds_.IsEmpty() || !media_indicator_animation_)
- return;
-
- double opaqueness = media_indicator_animation_->GetCurrentValue();
- if (data_.media_state == TAB_MEDIA_STATE_NONE)
- opaqueness = 1.0 - opaqueness; // Fading out, not in.
-
- const gfx::Image& media_indicator_image =
- chrome::GetTabMediaIndicatorImage(animating_media_state_);
- media_indicator_image.ToCairo()->SetSource(
- cr, widget, media_indicator_bounds_.x(), media_indicator_bounds_.y());
- cairo_paint_with_alpha(cr, opaqueness);
-}
-
-void TabRendererGtk::PaintTabBackground(GtkWidget* widget, cairo_t* cr) {
- if (IsActive()) {
- PaintActiveTabBackground(widget, cr);
- } else {
- PaintInactiveTabBackground(widget, cr);
-
- double throb_value = GetThrobValue();
- if (throb_value > 0) {
- cairo_push_group(cr);
- PaintActiveTabBackground(widget, cr);
- cairo_pop_group_to_source(cr);
- cairo_paint_with_alpha(cr, throb_value);
- }
- }
-}
-
-void TabRendererGtk::DrawTabBackground(
- cairo_t* cr,
- GtkWidget* widget,
- const gfx::Image& tab_bg,
- int offset_x,
- int offset_y) {
- tab_bg.ToCairo()->SetSource(cr, widget, -offset_x, -offset_y);
- cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT);
-
- ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-
- // Draw left edge
- gfx::Image& tab_l_mask = rb.GetNativeImageNamed(IDR_TAB_ALPHA_LEFT);
- tab_l_mask.ToCairo()->MaskSource(cr, widget, 0, 0);
-
- // Draw center
- cairo_rectangle(cr,
- tab_active_l_width_, kDropShadowOffset,
- width() - (2 * tab_active_l_width_),
- tab_inactive_l_height_);
- cairo_fill(cr);
-
- // Draw right edge
- gfx::Image& tab_r_mask = rb.GetNativeImageNamed(IDR_TAB_ALPHA_RIGHT);
- tab_r_mask.ToCairo()->MaskSource(cr, widget,
- width() - tab_active_l_width_, 0);
-}
-
-void TabRendererGtk::DrawTabShadow(cairo_t* cr,
- GtkWidget* widget,
- int left_idr,
- int center_idr,
- int right_idr) {
- ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
- gfx::Image& active_image_l = rb.GetNativeImageNamed(left_idr);
- gfx::Image& active_image_c = rb.GetNativeImageNamed(center_idr);
- gfx::Image& active_image_r = rb.GetNativeImageNamed(right_idr);
-
- // Draw left drop shadow
- active_image_l.ToCairo()->SetSource(cr, widget, 0, 0);
- cairo_paint(cr);
-
- // Draw the center shadow
- active_image_c.ToCairo()->SetSource(cr, widget, 0, 0);
- cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT);
- cairo_rectangle(cr, tab_active_l_width_, 0,
- width() - (2 * tab_active_l_width_),
- height());
- cairo_fill(cr);
-
- // Draw right drop shadow
- active_image_r.ToCairo()->SetSource(
- cr, widget, width() - active_image_r.ToCairo()->Width(), 0);
- cairo_paint(cr);
-}
-
-void TabRendererGtk::PaintInactiveTabBackground(GtkWidget* widget,
- cairo_t* cr) {
- int theme_id = data_.incognito ?
- IDR_THEME_TAB_BACKGROUND_INCOGNITO : IDR_THEME_TAB_BACKGROUND;
-
- gfx::Image tab_bg = theme_service_->GetImageNamed(theme_id);
-
- // If the theme is providing a custom background image, then its top edge
- // should be at the top of the tab. Otherwise, we assume that the background
- // image is a composited foreground + frame image.
- int offset_y = theme_service_->HasCustomImage(theme_id) ?
- 0 : background_offset_y_;
-
- DrawTabBackground(cr, widget, tab_bg, background_offset_x_, offset_y);
-
- DrawTabShadow(cr, widget, IDR_TAB_INACTIVE_LEFT, IDR_TAB_INACTIVE_CENTER,
- IDR_TAB_INACTIVE_RIGHT);
-}
-
-void TabRendererGtk::PaintActiveTabBackground(GtkWidget* widget,
- cairo_t* cr) {
- gfx::Image tab_bg = theme_service_->GetImageNamed(IDR_THEME_TOOLBAR);
-
- DrawTabBackground(cr, widget, tab_bg, background_offset_x_, 0);
- DrawTabShadow(cr, widget, IDR_TAB_ACTIVE_LEFT, IDR_TAB_ACTIVE_CENTER,
- IDR_TAB_ACTIVE_RIGHT);
-}
-
-void TabRendererGtk::PaintLoadingAnimation(GtkWidget* widget,
- cairo_t* cr) {
- int id = loading_animation_.animation_state() == ANIMATION_WAITING ?
- IDR_THROBBER_WAITING : IDR_THROBBER;
- gfx::Image throbber = theme_service_->GetImageNamed(id);
-
- const int image_size = throbber.ToCairo()->Height();
- const int image_offset = loading_animation_.animation_frame() * image_size;
- DCHECK(image_size == favicon_bounds_.height());
- DCHECK(image_size == favicon_bounds_.width());
-
- throbber.ToCairo()->SetSource(cr, widget, favicon_bounds_.x() - image_offset,
- favicon_bounds_.y());
- cairo_rectangle(cr, favicon_bounds_.x(), favicon_bounds_.y(),
- image_size, image_size);
- cairo_fill(cr);
-}
-
-int TabRendererGtk::IconCapacity() const {
- if (height() < GetMinimumUnselectedSize().height())
- return 0;
- const int available_width =
- std::max(0, width() - kLeftPadding - kRightPadding);
- const int kPaddingBetweenIcons = 2;
- if (available_width >= gfx::kFaviconSize &&
- available_width < (gfx::kFaviconSize + kPaddingBetweenIcons)) {
- return 1;
- }
- return available_width / (gfx::kFaviconSize + kPaddingBetweenIcons);
-}
-
-bool TabRendererGtk::ShouldShowIcon() const {
- return chrome::ShouldTabShowFavicon(
- IconCapacity(), mini(), IsActive(), data_.show_icon,
- animating_media_state_);
-}
-
-bool TabRendererGtk::ShouldShowMediaIndicator() const {
- return chrome::ShouldTabShowMediaIndicator(
- IconCapacity(), mini(), IsActive(), data_.show_icon,
- animating_media_state_);
-}
-
-bool TabRendererGtk::ShouldShowCloseBox() const {
- return chrome::ShouldTabShowCloseButton(IconCapacity(), mini(), IsActive());
-}
-
-CustomDrawButton* TabRendererGtk::MakeCloseButton() {
- CustomDrawButton* button = CustomDrawButton::CloseButtonBar(theme_service_);
- button->ForceChromeTheme();
-
- g_signal_connect(button->widget(), "clicked",
- G_CALLBACK(OnCloseButtonClickedThunk), this);
- g_signal_connect(button->widget(), "button-release-event",
- G_CALLBACK(OnCloseButtonMouseReleaseThunk), this);
- g_signal_connect(button->widget(), "enter-notify-event",
- G_CALLBACK(OnEnterNotifyEventThunk), this);
- g_signal_connect(button->widget(), "leave-notify-event",
- G_CALLBACK(OnLeaveNotifyEventThunk), this);
- gtk_widget_set_can_focus(button->widget(), FALSE);
- gtk_fixed_put(GTK_FIXED(tab_.get()), button->widget(), 0, 0);
-
- return button;
-}
-
-double TabRendererGtk::GetThrobValue() {
- bool is_selected = IsSelected();
- double min = is_selected ? kSelectedTabOpacity : 0;
- double scale = is_selected ? kSelectedTabThrobScale : 1;
-
- if (mini_title_animation_.get() && mini_title_animation_->is_animating()) {
- return mini_title_animation_->GetCurrentValue() *
- kMiniTitleChangeThrobOpacity * scale + min;
- }
-
- if (hover_animation_.get())
- return kHoverOpacity * hover_animation_->GetCurrentValue() * scale + min;
-
- return is_selected ? kSelectedTabOpacity : 0;
-}
-
-void TabRendererGtk::CloseButtonClicked() {
- // Nothing to do.
-}
-
-void TabRendererGtk::OnCloseButtonClicked(GtkWidget* widget) {
- CloseButtonClicked();
-}
-
-gboolean TabRendererGtk::OnCloseButtonMouseRelease(GtkWidget* widget,
- GdkEventButton* event) {
- if (event->button == 2) {
- CloseButtonClicked();
- return TRUE;
- }
-
- return FALSE;
-}
-
-gboolean TabRendererGtk::OnExposeEvent(GtkWidget* widget,
- GdkEventExpose* event) {
- TRACE_EVENT0("ui::gtk", "TabRendererGtk::OnExposeEvent");
-
- PaintTab(widget, event);
- gtk_container_propagate_expose(GTK_CONTAINER(tab_.get()),
- close_button_->widget(), event);
- return TRUE;
-}
-
-void TabRendererGtk::OnSizeAllocate(GtkWidget* widget,
- GtkAllocation* allocation) {
- gfx::Rect bounds = gfx::Rect(allocation->x, allocation->y,
- allocation->width, allocation->height);
-
- // Nothing to do if the bounds are the same. If we don't catch this, we'll
- // get an infinite loop of size-allocate signals.
- if (bounds_ == bounds)
- return;
-
- bounds_ = bounds;
- Layout();
-}
-
-gboolean TabRendererGtk::OnEnterNotifyEvent(GtkWidget* widget,
- GdkEventCrossing* event) {
- hover_animation_->SetTweenType(gfx::Tween::EASE_OUT);
- hover_animation_->Show();
- return FALSE;
-}
-
-gboolean TabRendererGtk::OnLeaveNotifyEvent(GtkWidget* widget,
- GdkEventCrossing* event) {
- hover_animation_->SetTweenType(gfx::Tween::EASE_IN);
- hover_animation_->Hide();
- return FALSE;
-}
-
-// static
-void TabRendererGtk::InitResources() {
- if (initialized_)
- return;
-
- // Grab the pixel sizes of our masking images.
- ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
- GdkPixbuf* tab_active_l = rb.GetNativeImageNamed(
- IDR_TAB_ACTIVE_LEFT).ToGdkPixbuf();
- tab_active_l_width_ = gdk_pixbuf_get_width(tab_active_l);
- tab_active_l_height_ = gdk_pixbuf_get_height(tab_active_l);
-
- GdkPixbuf* tab_inactive_l = rb.GetNativeImageNamed(
- IDR_TAB_INACTIVE_LEFT).ToGdkPixbuf();
- tab_inactive_l_height_ = gdk_pixbuf_get_height(tab_inactive_l);
-
- GdkPixbuf* tab_close = rb.GetNativeImageNamed(IDR_CLOSE_1).ToGdkPixbuf();
- close_button_width_ = gdk_pixbuf_get_width(tab_close);
- close_button_height_ = gdk_pixbuf_get_height(tab_close);
-
- const gfx::Font& base_font = rb.GetFont(ui::ResourceBundle::BaseFont);
- title_font_ = new gfx::Font(base_font.GetFontName(), kFontPixelSize);
- title_font_height_ = title_font_->GetHeight();
-
- initialized_ = true;
-}

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