15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/gtk/titlebar_throb_animation.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "grit/theme_resources.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkBitmap.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/resource/resource_bundle.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/skbitmap_operations.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// We don't bother to clean up these or the pixbufs they contain when we exit. 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::vector<GdkPixbuf*>* g_throbber_frames = NULL; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::vector<GdkPixbuf*>* g_throbber_waiting_frames = NULL; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Load |resource_id| from the ResourceBundle and split it into a series of 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// square GdkPixbufs that get stored in |frames|. 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MakeThrobberFrames(int resource_id, std::vector<GdkPixbuf*>* frames) { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::ResourceBundle &rb = ui::ResourceBundle::GetSharedInstance(); 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkBitmap frame_strip = rb.GetImageNamed(resource_id).AsBitmap(); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Each frame of the animation is a square, so we use the height as the 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // frame size. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int frame_size = frame_strip.height(); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t num_frames = frame_strip.width() / frame_size; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Make a separate GdkPixbuf for each frame of the animation. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < num_frames; ++i) { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkBitmap frame = SkBitmapOperations::CreateTiledBitmap(frame_strip, 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) i * frame_size, 0, frame_size, frame_size); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) frames->push_back(gfx::GdkPixbufFromSkBitmap(frame)); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(tc): Handle anti-clockwise spinning when waiting for a connection. 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TitlebarThrobAnimation::TitlebarThrobAnimation() 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : current_frame_(0), 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_waiting_frame_(0) { 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)GdkPixbuf* TitlebarThrobAnimation::GetNextFrame(bool is_waiting) { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InitFrames(); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (is_waiting) { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (*g_throbber_waiting_frames)[current_waiting_frame_++ % 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_throbber_waiting_frames->size()]; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (*g_throbber_frames)[current_frame_++ % g_throbber_frames->size()]; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void TitlebarThrobAnimation::Reset() { 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_frame_ = 0; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_waiting_frame_ = 0; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void TitlebarThrobAnimation::InitFrames() { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (g_throbber_frames) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We load the light version of the throbber since it'll be in the titlebar. 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_throbber_frames = new std::vector<GdkPixbuf*>; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MakeThrobberFrames(IDR_THROBBER_LIGHT, g_throbber_frames); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_throbber_waiting_frames = new std::vector<GdkPixbuf*>; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MakeThrobberFrames(IDR_THROBBER_WAITING_LIGHT, g_throbber_waiting_frames); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 72