#include "chrome/browser/ui/views/frame/browser_view.h"
#include "ui/events/keycodes/keyboard_codes.h"
#include "ui/gfx/animation/slide_animation.h"
-#include "ui/gfx/path.h"
-#include "ui/gfx/scoped_sk_region.h"
#include "ui/gfx/scrollbar_size.h"
#include "ui/views/focus/external_focus_tracker.h"
#include "ui/views/focus/view_storage.h"
#include "ui/views/widget/widget.h"
-using gfx::Path;
-
// static
bool DropdownBarHost::disable_animations_during_testing_ = false;
*bounds = browser_view_->bounds();
}
-void DropdownBarHost::UpdateWindowEdges(const gfx::Rect& new_pos) {
- // |w| is used to make it easier to create the part of the polygon that curves
- // the right side of the Find window. It essentially keeps track of the
- // x-pixel position of the right-most background image inside the view.
- // TODO(finnur): Let the view tell us how to draw the curves or convert
- // this to a CustomFrameWindow.
- int w = new_pos.width() - 6; // -6 positions us at the left edge of the
- // rightmost background image of the view.
- int h = new_pos.height();
-
- // This polygon array represents the outline of the background image for the
- // window. Basically, it encompasses only the visible pixels of the
- // concatenated find_dlg_LMR_bg images (where LMR = [left | middle | right]).
- const Path::Point polygon[] = {
- {2, 0}, {3, 1}, {3, h - 2}, {4, h - 1},
- {4, h}, {w+0, h},
- {w+2, h - 1}, {w+3, h - 2}, {w+3, 1}, {w+4, 0}
- };
-
- // Find the largest x and y value in the polygon.
- int max_x = 0, max_y = 0;
- for (size_t i = 0; i < arraysize(polygon); i++) {
- max_x = std::max(max_x, static_cast<int>(polygon[i].x));
- max_y = std::max(max_y, static_cast<int>(polygon[i].y));
- }
-
- // We then create the polygon and use SetWindowRgn to force the window to draw
- // only within that area. This region may get reduced in size below.
- Path path(polygon, arraysize(polygon));
- gfx::ScopedSkRegion region(path.CreateNativeRegion());
- // Are we animating?
- if (animation_offset() > 0) {
- // The animation happens in two steps: First, we clip the window and then in
- // GetWidgetPosition we offset the window position so that it still looks
- // attached to the toolbar as it grows. We clip the window by creating a
- // rectangle region (that gradually increases as the animation progresses)
- // and find the intersection between the two regions using CombineRgn.
-
- // |y| shrinks as the animation progresses from the height of the view down
- // to 0 (and reverses when closing).
- int y = animation_offset();
- // |y| shrinking means the animation (visible) region gets larger. In other
- // words: the rectangle grows upward (when the widget is opening).
- Path animation_path;
- SkRect animation_rect = { SkIntToScalar(0), SkIntToScalar(y),
- SkIntToScalar(max_x), SkIntToScalar(max_y) };
- animation_path.addRect(animation_rect);
- gfx::ScopedSkRegion animation_region(
- animation_path.CreateNativeRegion());
- region.Set(Path::IntersectRegions(animation_region.Get(), region.Get()));
-
- // Next, we need to increase the region a little bit to account for the
- // curved edges that the view will draw to make it look like grows out of
- // the toolbar.
- Path::Point left_curve[] = {
- {2, y+0}, {3, y+1}, {3, y+0}, {2, y+0}
- };
- Path::Point right_curve[] = {
- {w+3, y+1}, {w+4, y+0}, {w+3, y+0}, {w+3, y+1}
- };
-
- // Combine the region for the curve on the left with our main region.
- Path left_path(left_curve, arraysize(left_curve));
- gfx::ScopedSkRegion r(left_path.CreateNativeRegion());
- region.Set(Path::CombineRegions(r.Get(), region.Get()));
-
- // Combine the region for the curve on the right with our main region.
- Path right_path(right_curve, arraysize(right_curve));
- region.Set(Path::CombineRegions(r.Get(), region.Get()));
- }
-
- // Now see if we need to truncate the region because parts of it obscures
- // the main window border.
- gfx::Rect widget_bounds;
- GetWidgetBounds(&widget_bounds);
-
- // Calculate how much our current position overlaps our boundaries. If we
- // overlap, it means we have too little space to draw the whole widget and
- // we allow overwriting the scrollbar before we start truncating our widget.
- //
- // TODO(brettw) this constant is evil. This is the amount of room we've added
- // to the window size, when we set the region, it can change the size.
- static const int kAddedWidth = 7;
- int difference = new_pos.right() - kAddedWidth - widget_bounds.right() -
- gfx::scrollbar_size() + 1;
- if (difference > 0) {
- Path::Point exclude[4];
- exclude[0].x = max_x - difference; // Top left corner.
- exclude[0].y = 0;
-
- exclude[1].x = max_x; // Top right corner.
- exclude[1].y = 0;
-
- exclude[2].x = max_x; // Bottom right corner.
- exclude[2].y = max_y;
-
- exclude[3].x = max_x - difference; // Bottom left corner.
- exclude[3].y = max_y;
-
- // Subtract this region from the original region.
- gfx::Path exclude_path(exclude, arraysize(exclude));
- gfx::ScopedSkRegion exclude_region(exclude_path.CreateNativeRegion());
- region.Set(Path::SubtractRegion(region.Get(), exclude_region.Get()));
- }
-
- // Window takes ownership of the region.
- host()->SetShape(region.release());
-}
-
void DropdownBarHost::RegisterAccelerators() {
DCHECK(!esc_accel_target_registered_);
ui::Accelerator escape(ui::VKEY_ESCAPE, ui::EF_NONE);
projects / platform / framework / web / crosswalk.git / blobdiff